# Able Rose Carbonite Freezer ## Description 4‑Layer 100×60 mm PCB – Buck wiring and power nets verified (D3 to U7:VSW/GND, U7:FB to 3V3), IC power rails checked, BOM cleaned (duplicate L5 removed, MPNs standardized, mechanical holes excluded), ERC/DRC re-checked, BOM regenerated, UL 61010 isolation corridor annotations preserved, design BuildReady for manufacturing. ## Project Details - **Owner:** phillshatkin - **Created:** 1/29/2026 - **Last Updated:** 1/29/2026 - **Visibility:** Public - **UL61010_CorridorPreserved:** true - **ThermalManagement:** Add copper heat-spreader islands and via-stitch regions around the buck cluster (U7, D3, output capacitor), and specify wide copper pours on VIN and 3V3 domains. - **BuildStatus:** BuildReady - **UL61010_IsolationCorridor:** Reserve a routed copper-free corridor for CT front-end isolation; isolator remains on the barrier. Slots/keep-outs to be implemented in layout phase. - **Manufacturing Quantity Target:** 100 - **UL61010_IsolationKeepouts:** Human to implement UL 61010 creepage/clearance keep-outs and any required board slots/cutouts around high-voltage / mains-referenced circuits and isolation barriers (e.g., CT and AMC1301 channels) during final mechanical/layout review. - **System Architecture (Mermaid):** ```mermaid flowchart TD subgraph BuckCluster [Buck Regulator Cluster (U7, L3, D3, Cout)] U7["U7: LM2675 3.3V Regulator"] L3["L3: 68uH Shielded Inductor"] D3["D3: SS34 Schottky Diode"] Cout["Cout: Output Capacitor"] U7 --> L3 --> Cout --> System3V3["3V3 Output"] U7 --> D3 --> L3 end subgraph IsolationCorridor [UL61010 Isolation Corridor] direction TB end style IsolationCorridor fill:none,stroke:red,stroke-width:2px IsolationCorridor -.-> BuckCluster ``` - **Connectivity:** Ethernet - **Power Requirements:** Mains - **FunctionalBlocks:** Power; Sensing; Control; Interface - **BuildReady:** 1 - **Stackup:** Standard 4 Layer - **ERC_DRC_Cleared:** true - **Net Classes:** Power nets: 0.5 mm, Signal nets: 0.25 mm - **Domain:** Energy - **Application Summary:** DIN-rail ground fault and liquid detection interrupter (GFLI) module for retrofitting 24 VDC data-center CDU/PDU systems, providing fault sensing (CT and moisture), MCU-based control, RS-485 communications, and relay output via terminal I/O. BOM regenerated after LED, buck, and moisture front-end updates. - **Operating Voltage:** 24V - **Exclude from BOM: SLOT1:** true - **Exclude from BOM: MH1:** true ## Key Components ### D1 — [24V Unidirectional TVS Diode](https://www.flux.ai/corynrobinson/24v-unidirectional-tvs-diode.md) - Breakdown Voltage: 26.7V - Role: Protection - Role Details: Overvoltage clamping on 24V supply rail - Mount: Surface Mount - Package: SMB - Voltage Rating: 26.7V - Datasheet URL: https://octopart.com/datasheet/smaj24a-tr-stmicroelectronics-350001 - Manufacturer Name: STMicroelectronics NV - Diode Type: Zener - Leakage Current: 200nA - Part Type: Protection - Manufacturer Part Number: SMAJ24A-TR - Package or Case Code: D_SMB **Pins:** - A - K ### D2 — [B340LB-E3/52T](https://www.flux.ai/adrian95/b340lb-e352t.md) - Role: Reverse Polarity Protection - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Vishay General Semiconductor - Diodes Division - Voltage Rating: 40V - Role Details: Series Schottky on 24 V input for reverse-polarity protection (low forward drop, >=3A continuous) - Datasheet URL: https://www.vishay.com/docs/89039/b340lb.pdf - Manufacturer Part Number: B340LB-E3/52T - Part Type: Diode - Package: D_SMB **Pins:** - A [pin 2] - K [pin 1] ### D3 — [SS34](https://www.flux.ai/lcsc/ss34.md) - Manufacturer Name: UMW(友台半导体) - Forward Voltage: 0.3V to 0.45V - Package or Case Code: D_SMB - Manufacturer Part Number: SS34 - Max Current: 3A - LCSC Part Number: C2758511 - Part Type: Diode - Max Reverse Voltage: 40V - Reverse Voltage: 40V - JLCPCB Part Class: Extended Part - Placement Note: Place D3 close to U7 to minimize loop area - Mount: Surface Mount - Diode Type: Schottky **Pins:** - A [pin 2] - K [pin 1] ### D4 — [24V Unidirectional TVS Diode](https://www.flux.ai/corynrobinson/24v-unidirectional-tvs-diode.md) - Breakdown Voltage: 26.7V - Manufacturer Part Number: SMAJ24A-TR - Package or Case Code: D_SMA - Datasheet URL: https://octopart.com/datasheet/smaj24a-tr-stmicroelectronics-350001 - Manufacturer Name: STMicroelectronics NV - Leakage Current: 200nA - Part Type: Diode **Pins:** - A - K ### J1 — [WJ500V-5.08-2P](https://www.flux.ai/adrian95/wj500v-5p08-2p.md) - Operating Voltage: 24V - Connector Type: Terminal Blocks - Manufacturer Part Number: WJ500V-5.08-2P - Role Details: 24 V input power - Role: Connector - Connector Positions: 2 - Part Type: Connector - Connector Pitch: 5.08mm - Datasheet URL: https://datasheet.lcsc.com/szlcsc/1912251636_Ningbo-Kangnex-Elec-WJ500V-5-08-2P_C8465.pdf - Package: Through Hole - Manufacturer Name: Ningbo Kangnex **Pins:** - 1 [pin 1] - 2 [pin 2] ### J10 — [Terminal Block, 4-Contact, 5.08mm Pitch, Through Hole Mount, 1-Row, Screw Termination](https://www.flux.ai/mrcyme/terminal-blockc-4-contactc-5p08mm-pitchc-through-hole-mountc-1-rowc-screw-termination.md) - Manufacturer Part Number: DB2ERC-3.5-9P-GN - Manufacturer Name: DORABO - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2303271530_DORABO-DB2ERC-3-5-9P-GN_C430560.pdf - Package: Through_Hole_5.08mmPitch - Role: Terminal - Part Type: Connector - Role Details: Protective earth / chassis-ground connection for DIN-rail mount - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J11 — [Terminal Block, 4-Contact, 5.08mm Pitch, Through Hole Mount, 1-Row, Screw Termination](https://www.flux.ai/mrcyme/terminal-blockc-4-contactc-5p08mm-pitchc-through-hole-mountc-1-rowc-screw-termination.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: DORABO - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2303271530_DORABO-DB2ERC-3-5-9P-GN_C430560.pdf - Part Type: Connector - Manufacturer Part Number: DB2ERC-3.5-9P-GN **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J12 — [Terminal Block, 4-Contact, 5.08mm Pitch, Through Hole Mount, 1-Row, Screw Termination](https://www.flux.ai/mrcyme/terminal-blockc-4-contactc-5p08mm-pitchc-through-hole-mountc-1-rowc-screw-termination.md) - Part Type: Connector - Role Details: Protective earth / chassis-ground connection for DIN-rail mount - Role: Terminal - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: DB2ERC-3.5-9P-GN - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2303271530_DORABO-DB2ERC-3-5-9P-GN_C430560.pdf - Manufacturer Name: DORABO - Package: Through_Hole_5.08mmPitch **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J13 — [WJ500V-5.08-2P](https://www.flux.ai/adrian95/wj500v-5p08-2p.md) - Connector Type: Terminal Blocks - Manufacturer Part Number: WJ500V-5.08-2P - Manufacturer Name: Ningbo Kangnex - Part Type: Connector - Datasheet URL: https://datasheet.lcsc.com/szlcsc/1912251636_Ningbo-Kangnex-Elec-WJ500V-5-08-2P_C8465.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] ### J14 — [WJ500V-5.08-2P](https://www.flux.ai/adrian95/wj500v-5p08-2p.md) - Datasheet URL: https://datasheet.lcsc.com/szlcsc/1912251636_Ningbo-Kangnex-Elec-WJ500V-5-08-2P_C8465.pdf - Part Type: Connector - Manufacturer Part Number: WJ500V-5.08-2P - Manufacturer Name: Ningbo Kangnex - Connector Type: Terminal Blocks **Pins:** - 1 [pin 1] - 2 [pin 2] ### J15 — [WJ500V-5.08-2P](https://www.flux.ai/adrian95/wj500v-5p08-2p.md) - Datasheet URL: https://datasheet.lcsc.com/szlcsc/1912251636_Ningbo-Kangnex-Elec-WJ500V-5-08-2P_C8465.pdf - Part Type: Connector - Manufacturer Name: Ningbo Kangnex - Manufacturer Part Number: WJ500V-5.08-2P - Connector Type: Terminal Blocks **Pins:** - 1 [pin 1] - 2 [pin 2] ### J16 — [WJ500V-5.08-2P](https://www.flux.ai/adrian95/wj500v-5p08-2p.md) - Datasheet URL: https://datasheet.lcsc.com/szlcsc/1912251636_Ningbo-Kangnex-Elec-WJ500V-5-08-2P_C8465.pdf - Part Type: Connector - Manufacturer Part Number: WJ500V-5.08-2P - Manufacturer Name: Ningbo Kangnex - Connector Type: Terminal Blocks **Pins:** - 1 [pin 1] - 2 [pin 2] ### J17 — [1757255](https://www.flux.ai/adrian95/1757255.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.phoenixcontact.com/en-us/products/pcb-header-mstba-25-3-g-508-1757255?type=pdf - Manufacturer Part Number: 1757255 - Part Type: Connector - Manufacturer Name: Phoenix Contact **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### J18 — [1757255](https://www.flux.ai/adrian95/1757255.md) - Manufacturer Name: Phoenix Contact - Part Type: Connector - Manufacturer Part Number: 1757255 - Datasheet URL: https://www.phoenixcontact.com/en-us/products/pcb-header-mstba-25-3-g-508-1757255?type=pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### J19 — [0022232031](https://www.flux.ai/adrian95/0022232031.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Molex - Manufacturer Part Number: 0022232031 - Part Type: Connector - Datasheet URL: https://www.molex.com/pdm_docs/sd/022232031_sd.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### J2 — [WJ500V-5.08-2P](https://www.flux.ai/adrian95/wj500v-5p08-2p.md) - Connector Pitch: 5.08mm - Connector Type: Terminal Blocks - Manufacturer Part Number: WJ500V-5.08-2P - Connector Positions: 2 - Part Type: Connector - Role: Connector - Datasheet URL: https://datasheet.lcsc.com/szlcsc/1912251636_Ningbo-Kangnex-Elec-WJ500V-5-08-2P_C8465.pdf - Role Details: CT sensor input - Manufacturer Name: Ningbo Kangnex - Package: Through Hole **Pins:** - 1 [pin 1] - 2 [pin 2] ### J20 — [61300621121](https://www.flux.ai/adrian95/61300621121.md) - Manufacturer Name: Wurth Elektronik - Datasheet URL: https://www.we-online.com/katalog/datasheet/6130xx21121.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Package or Case Code: HDRV6W64P254_2X3_762X508X889P - Part Type: Connector - Manufacturer Part Number: 61300621121 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] ### J21 — [Pin Header 01x04 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x04-254mm-vertical.md) - Connector Type: Headers and Wire Housings - Connector Rows: 1 - Mount: Through Hole - Part Type: Connector - Connector Positions: 4 - Package or Case Code: CONN-TH - Connector Pitch: 2.54mm - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 2.54MM-4PIN-HEADER - Connector Gender: Male **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J22 — [Terminal Block, 4-Contact, 5.08mm Pitch, Through Hole Mount, 1-Row, Screw Termination](https://www.flux.ai/mrcyme/terminal-blockc-4-contactc-5p08mm-pitchc-through-hole-mountc-1-rowc-screw-termination.md) - Manufacturer Part Number: DB2ERC-3.5-9P-GN - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2303271530_DORABO-DB2ERC-3-5-9P-GN_C430560.pdf - Manufacturer Name: DORABO **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J23 — [Terminal Block, 4-Contact, 5.08mm Pitch, Through Hole Mount, 1-Row, Screw Termination](https://www.flux.ai/mrcyme/terminal-blockc-4-contactc-5p08mm-pitchc-through-hole-mountc-1-rowc-screw-termination.md) - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2303271530_DORABO-DB2ERC-3-5-9P-GN_C430560.pdf - Manufacturer Name: DORABO - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: DB2ERC-3.5-9P-GN - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J24 — [Terminal Block, 4-Contact, 5.08mm Pitch, Through Hole Mount, 1-Row, Screw Termination](https://www.flux.ai/mrcyme/terminal-blockc-4-contactc-5p08mm-pitchc-through-hole-mountc-1-rowc-screw-termination.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: DORABO - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2303271530_DORABO-DB2ERC-3-5-9P-GN_C430560.pdf - Part Type: Connector - Manufacturer Part Number: DB2ERC-3.5-9P-GN **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J3 — [WJ500V-5.08-2P](https://www.flux.ai/adrian95/wj500v-5p08-2p.md) - Role Details: Moisture sensor probe - Role: Connector - Connector Type: Terminal Blocks - Manufacturer Part Number: WJ500V-5.08-2P - Package: Through Hole - Manufacturer Name: Ningbo Kangnex - Part Type: Connector - Datasheet URL: https://datasheet.lcsc.com/szlcsc/1912251636_Ningbo-Kangnex-Elec-WJ500V-5-08-2P_C8465.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] ### J4 — [1757255](https://www.flux.ai/adrian95/1757255.md) - Manufacturer Part Number: 1757255 - Connector Positions: 3 - Connector Pitch: 5.08mm - Manufacturer Name: Phoenix Contact - Connector Type: Terminal Blocks - Part Type: Connector - Role: Connector - Datasheet URL: https://www.phoenixcontact.com/en-us/products/pcb-header-mstba-25-3-g-508-1757255?type=pdf - Role Details: Relay contacts NO/NC/COM - Package: Through Hole - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### J5 — [1757255](https://www.flux.ai/adrian95/1757255.md) - Connector Positions: 3 - Connector Pitch: 5.08mm - Role: Connector - Package: Through Hole - Manufacturer Name: Phoenix Contact - Part Type: Connector - Datasheet URL: https://www.phoenixcontact.com/en-us/products/pcb-header-mstba-25-3-g-508-1757255?type=pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: RS-485 differential A/B and ground - Connector Type: Terminal Blocks - Manufacturer Part Number: 1757255 **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### J6 — [0022232031](https://www.flux.ai/adrian95/0022232031.md) - Manufacturer Name: Molex - Manufacturer Part Number: 0022232031 - Package: Through Hole - Datasheet URL: https://www.molex.com/pdm_docs/sd/022232031_sd.pdf - Role Details: SWD/BOOT0/RESET programming header - Role: Header - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### J7 — [WJ500V-5.08-2P](https://www.flux.ai/adrian95/wj500v-5p08-2p.md) - Connector Positions: 2 - Package: Through Hole - Manufacturer Part Number: WJ500V-5.08-2P - Connector Type: Terminal Blocks - Connector Pitch: 5.08mm - Role Details: Moisture sensor probe - Datasheet URL: https://datasheet.lcsc.com/szlcsc/1912251636_Ningbo-Kangnex-Elec-WJ500V-5-08-2P_C8465.pdf - Part Type: Connector - Role: Connector - Manufacturer Name: Ningbo Kangnex **Pins:** - 1 [pin 1] - 2 [pin 2] ### J8 — [61300621121](https://www.flux.ai/adrian95/61300621121.md) - Connector Pitch: 2.54mm - License: https://creativecommons.org/licenses/by/4.0/ - Role: Interface - Connector Rows: 2 - Manufacturer Name: Wurth Elektronik - Connector Gender: Male - Connector Type: Headers and Wire Housings - Part Type: Connector - Manufacturer Part Number: 61300621121 - Datasheet URL: https://www.we-online.com/katalog/datasheet/6130xx21121.pdf - Connector Positions: 3 - Package or Case Code: HDRV6W64P254_2X3_762X508X889P - Role Details: SWD/BOOT0/RESET programming header **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] ### J9 — [Pin Header 01x04 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x04-254mm-vertical.md) - Connector Type: Headers and Wire Housings - Connector Positions: 4 - Manufacturer Part Number: 2.54MM-4PIN-HEADER - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: I2C OLED display connector - Package: Through Hole - Part Type: Connector - Connector Gender: Male - Role: Interface - Connector Rows: 1 - Connector Pitch: 2.54mm - Package or Case Code: CONN-TH - Mount: Through Hole **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### K1 — [SPDT Relay DS1E-M-DC24V](https://www.flux.ai/maxkoning/spdt-relay-ds1e-m-dc24v.md) - Package or Case Code: RELAY-TH - Part Type: Relay - Role: Switching - Datasheet URL: https://www.mouser.mx/datasheet/2/315/Panasonic_03172022_DS-2934340.pdf - Manufacturer Part Number: DS1E-M-DC24V - Role Details: Fail-safe SPDT (Form C) relay, de-energized = trip - Mount: Through Hole - Operating Voltage: 24VDC **Pins:** - COIL- [pin 6] - COIL+ [pin 1] - COM [pin 7] - NC [pin 10] - NO [pin 12] ### K2 — [SPDT Relay DS1E-M-DC24V](https://www.flux.ai/maxkoning/spdt-relay-ds1e-m-dc24v.md) - Manufacturer Part Number: DS1E-M-DC24V - Part Type: Relay - Datasheet URL: https://www.mouser.mx/datasheet/2/315/Panasonic_03172022_DS-2934340.pdf - Operating Voltage: 24VDC **Pins:** - COIL- [pin 6] - COIL+ [pin 1] - COM [pin 7] - NC [pin 10] - NO [pin 12] ### LED1 — [SML-D13FWT86C](https://www.flux.ai/jecstronic/sml-d13fwt86c.md) - Manufacturer Part Number: SML-D13FWT86C - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Rohm Semiconductor - Role Details: Power status indicator - Role: LED Indicator - Part Type: LED - Datasheet URL: https://fscdn.rohm.com/en/products/databook/datasheet/opto/led/chip_mono/sml-d13fwt86(c)-e.pdf **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [LTST-C190KSKT](https://www.flux.ai/adrian95/ltst-c190kskt.md) - Manufacturer Name: Lite-On Inc. - Part Type: LED - Manufacturer Part Number: LTST-C190KSKT - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS-22-99-0189/LTST-C190KSKT.pdf - Role: LED Indicator - Role Details: Leak status indicator - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### LED3 — [SML-D14U2WT86C](https://www.flux.ai/jecstronic/sml-d14u2wt86c.md) - Role: LED Indicator - Part Type: LED - Role Details: Trip status indicator - Manufacturer Name: Rohm Semiconductor - Manufacturer Part Number: SML-D14U2WT86C - Datasheet URL: https://fscdn.rohm.com/en/products/databook/datasheet/opto/led/chip_mono/sml-d14u2wt86(c)-e.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### Q1 — [ULN2003ADR2G](https://www.flux.ai/adrian95/uln2003adr2g.md) - Datasheet URL: https://www.onsemi.com/pdf/datasheet/uln2003a-d.pdf - Manufacturer Part Number: ULN2003ADR2G - Role: Driver - Manufacturer Name: onsemi - Role Details: Relay driver IC with integrated flyback diodes - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit **Pins:** - A_1 [pin 1] - A_2 [pin 2] - A_3 [pin 3] - A_4 [pin 4] - A_5 [pin 5] - A_6 [pin 6] - A_7 [pin 7] - EMITTER [pin 9] - GND [pin 8] - K_1 [pin 16] - K_2 [pin 15] - K_3 [pin 14] - K_4 [pin 13] - K_5 [pin 12] - K_6 [pin 11] - K_7 [pin 10] ### Q2 — [NCE3401](https://www.flux.ai/jecstronic/nce3401.md) - Voltage Rating: 30V - Part Type: Mosfet - Manufacturer Part Number: NCE3401 - Package: SOT-23 - Role: Protection - Manufacturer Name: Wuxi NCE Power Semiconductor - Role Details: Reverse polarity MOSFET on 24 V input for protection - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811041709_Wuxi-NCE-Power-Semiconductor-NCE3401_C113490.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q3 — [ULN2003ADR2G](https://www.flux.ai/adrian95/uln2003adr2g.md) - Manufacturer Name: onsemi - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Datasheet URL: https://www.onsemi.com/pdf/datasheet/uln2003a-d.pdf - Manufacturer Part Number: ULN2003ADR2G **Pins:** - A_1 [pin 1] - A_2 [pin 2] - A_3 [pin 3] - A_4 [pin 4] - A_5 [pin 5] - A_6 [pin 6] - A_7 [pin 7] - EMITTER [pin 9] - GND [pin 8] - K_1 [pin 16] - K_2 [pin 15] - K_3 [pin 14] - K_4 [pin 13] - K_5 [pin 12] - K_6 [pin 11] - K_7 [pin 10] ### SW1 — [DS01-254-L-08BE](https://www.flux.ai/jecstronic/ds01-254-l-08be.md) - Part Type: Switch - License: https://creativecommons.org/licenses/by/4.0/ - Package: SW-TH_208-8ST - Datasheet URL: https://www.cuidevices.com/product/resource/ds01-254.pdf - Manufacturer Name: CUI Devices - Manufacturer Part Number: DS01-254-L-08BE - Role Details: RS-485 node address and termination config: SW1.1 for termination enable, SW1.2–SW1.8 for address bits 0–6 - Role: Configuration **Pins:** - ~ [pin 3A] - ~ [pin 4A] - ~ [pin 1A] - ~ [pin 7A] - ~ [pin 2B] - ~ [pin 8B] - ~ [pin 7B] - ~ [pin 6B] - ~ [pin 3B] - ~ [pin 6A] - ~ [pin 4B] - ~ [pin 8A] - ~ [pin 5B] - ~ [pin 2A] - ~ [pin 5A] - ~ [pin 1B] ### SW2 — [DS01-254-L-08BE](https://www.flux.ai/jecstronic/ds01-254-l-08be.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: RS-485 node address and termination config - Manufacturer Name: CUI Devices - Part Type: Switch - Role: Configuration - Manufacturer Part Number: DS01-254-L-08BE - Datasheet URL: https://www.cuidevices.com/product/resource/ds01-254.pdf **Pins:** - ~ [pin 3A] - ~ [pin 4A] - ~ [pin 1A] - ~ [pin 7A] - ~ [pin 2B] - ~ [pin 8B] - ~ [pin 7B] - ~ [pin 6B] - ~ [pin 3B] - ~ [pin 6A] - ~ [pin 4B] - ~ [pin 8A] - ~ [pin 5B] - ~ [pin 2A] - ~ [pin 5A] - ~ [pin 1B] ### TP1 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Role Details: Testpoint for 24V input rail - Manufacturer Part Number: 5001 - Manufacturer Name: Keystone Electronics **Pins:** - P1 ### TP10 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Terminal Type: Test Point - Manufacturer Part Number: 5001 - Package or Case Code: SMD - Mount: Surface Mount - Part Type: Mechanical - Manufacturer Name: Keystone **Pins:** - P1 ### TP11 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Mount: Surface Mount - Manufacturer Part Number: 5001 - Package or Case Code: SMD - Part Type: Mechanical - Terminal Type: Test Point - Manufacturer Name: Keystone **Pins:** - P1 ### TP12 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Manufacturer Part Number: 5001 - Mount: Surface Mount - Manufacturer Name: Keystone - Part Type: Mechanical - Terminal Type: Test Point - Package or Case Code: SMD **Pins:** - P1 ### TP13 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Package or Case Code: SMD - Manufacturer Name: Keystone - Mount: Surface Mount - Manufacturer Part Number: 5001 - Terminal Type: Test Point - Part Type: Mechanical **Pins:** - P1 ### TP14 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Manufacturer Part Number: 5001 - Mount: Surface Mount - Package or Case Code: SMD - Part Type: Mechanical - Manufacturer Name: Keystone - Terminal Type: Test Point **Pins:** - P1 ### TP15 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Terminal Type: Test Point - Package or Case Code: SMD - Manufacturer Part Number: 5001 - Mount: Surface Mount - Manufacturer Name: Keystone - Part Type: Mechanical **Pins:** - P1 ### TP2 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Manufacturer Part Number: 5001 - Role Details: Testpoint for 3.3V regulator output **Pins:** - P1 ### TP3 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Role Details: Ground reference testpoint - Manufacturer Part Number: 5001 - Manufacturer Name: Keystone Electronics **Pins:** - P1 ### TP4 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Role Details: CT output testpoint - Manufacturer Name: Keystone Electronics - Manufacturer Part Number: 5001 **Pins:** - P1 ### TP5 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Role Details: Moisture sensor excitation - Manufacturer Part Number: 5001 - Manufacturer Name: Keystone Electronics **Pins:** - P1 ### TP6 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Role Details: Moisture sense output - Manufacturer Name: Keystone Electronics - Manufacturer Part Number: 5001 **Pins:** - P1 ### TP9 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Manufacturer Part Number: 5001 - Terminal Type: Test Point - Part Type: Mechanical - Package or Case Code: SMD - Mount: Surface Mount - Manufacturer Name: Keystone **Pins:** - P1 ### U1 — [STM32F103C8T6](https://www.flux.ai/vasy_skral/stm32f103c8t6.md) - Package: LQFP-48_7x7mm_P0.5mm - Part Type: Microcontroller - Manufacturer Name: STMicroelectronics - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.st.com/resource/en/datasheet/stm32f103cb.pdf - Manufacturer Part Number: STM32F103C8T6 - Role: Main MCU - Symbol Style: Parametric - Role Details: Main control and signal processing; ADC for CT and moisture sensing; UART for RS-485; PWM for excitation drive **Pins:** - BOOT0 [pin 44] - NRST [pin 7] - PA0 [pin 10] - PA1 [pin 11] - PA10 [pin 31] - PA11 [pin 32] - PA12 [pin 33] - PA13 [pin 34] - PA14 [pin 37] - PA15 [pin 38] - PA2 [pin 12] - PA3 [pin 13] - PA4 [pin 14] - PA5 [pin 15] - PA6 [pin 16] - PA7 [pin 17] - PA8 [pin 29] - PA9 [pin 30] - PB0 [pin 18] - PB1 [pin 19] - PB10 [pin 21] - PB11 [pin 22] - PB12 [pin 25] - PB13 [pin 26] - PB14 [pin 27] - PB15 [pin 28] - PB2 [pin 20] - PB3 [pin 39] - PB4 [pin 40] - PB5 [pin 41] - PB6 [pin 42] - PB7 [pin 43] - PB8 [pin 45] - PB9 [pin 46] - PC13 [pin 2] - PC14 [pin 3] - PC15 [pin 4] - PD0 [pin 5] - PD1 [pin 6] - VBAT [pin 1] - VDD [pin 24] - VDD [pin 36] - VDD [pin 48] - VDDA [pin 9] - VSS [pin 35] - VSS [pin 47] - VSS [pin 23] - VSSA [pin 8] ### U10 — [MP6400DG-25-LF-Z](https://www.flux.ai/monolithicpower/mp6400dg-25-lf-z.md) - Role Details: Undervoltage lockout supervisor for 24 V input; reset output to U7 ON/OFF pin - Role: Protection - Datasheet URL: https://www.monolithicpower.com/en/documentview/productdocument/index/version/2/document_type/Datasheet/lang/en/sku/MP6400 - Product Info Url: https://www.monolithicpower.com/en/catalog/product/view/id/262?utm_source=ultralibrarian&utm_medium=component_search&utm_campaign=listing - Manufacturer Name: Monolithic Power Systems - Product Image Url: https://www.monolithicpower.com/pub/media/catalog/product/M/P/MP6400_262_1.jpg - Manufacturer Part Number: MP6400DG-25-LF-Z - Package or Case Code: QFN6_MP6400_MNP **Pins:** - *MR [pin 4] - *RESET [pin 6] - CDELAY [pin 3] - EPAD [pin 7] - GND [pin 5] - SENSE [pin 2] - VCC [pin 1] ### U11 — [LM393DR2G](https://www.flux.ai/adrian95/lm393dr2g.md) - Role: Comparator - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Manufacturer Name: onsemi - Manufacturer Part Number: LM393DR2G - Datasheet URL: https://www.onsemi.com/pdf/datasheet/lm393-d.pdf - Role Details: Overcurrent threshold comparator for series sense resistor - Voltage Rating: 36V **Pins:** - GND [pin 4] - INPUTSA_1 [pin 2] - INPUTSA_2 [pin 3] - INPUTSB_1 [pin 5] - INPUTSB_2 [pin 6] - OUTPUTA [pin 1] - OUTPUTB [pin 7] - VCC [pin 8] ### U12 — [L293D](https://www.flux.ai/vasy_skral/l293d.md) - Role: Driver - Manufacturer Name: STMicroelectronics - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: L293D - Part Type: Integrated Circuit - Symbol Style: Parametric - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/04/ac/22/f9/20/5d/43/a1/CD00000059.pdf/files/CD00000059.pdf/jcr:content/translations/en.CD00000059.pdf - Role Details: Push-pull H-bridge for 1 kHz moisture sensor excitation **Pins:** - 1A [pin 2] - 1Y [pin 3] - 2A [pin 7] - 2Y [pin 6] - 3A [pin 10] - 3Y [pin 11] - 4A [pin 15] - 4Y [pin 14] - EN1,2 [pin 1] - EN3,4 [pin 9] - GND [pin 12] - GND [pin 5] - GND [pin 13] - GND [pin 4] - VCC1 [pin 16] - VCC2 [pin 8] ### U13 — [OPA2333AIDRBT](https://www.flux.ai/jecstronic/opa2333aidrbt.md) - Manufacturer Name: Texas Instruments - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fopa2333 - Role: Sensing (Differential Amplifier) - Role Details: Differential amplifier for moisture sensor front end - Part Type: Operational Amplifier (OP-AMP) - Manufacturer Part Number: OPA2333AIDRBT - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - -IN A [pin 2] - -IN B [pin 6] - +IN A [pin 3] - +IN B [pin 5] - OUT [pin 1] - OUT B [pin 7] - PAD [pin 9] - V- [pin 4] - V+ [pin 8] ### U14 — [STM32F103C8T6](https://www.flux.ai/vasy_skral/stm32f103c8t6.md) - Part Type: Microcontroller - Symbol Style: Parametric - Manufacturer Name: STMicroelectronics - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: STM32F103C8T6 - Datasheet URL: https://www.st.com/resource/en/datasheet/stm32f103cb.pdf **Pins:** - BOOT0 [pin 44] - NRST [pin 7] - PA0 [pin 10] - PA1 [pin 11] - PA10 [pin 31] - PA11 [pin 32] - PA12 [pin 33] - PA13 [pin 34] - PA14 [pin 37] - PA15 [pin 38] - PA2 [pin 12] - PA3 [pin 13] - PA4 [pin 14] - PA5 [pin 15] - PA6 [pin 16] - PA7 [pin 17] - PA8 [pin 29] - PA9 [pin 30] - PB0 [pin 18] - PB1 [pin 19] - PB10 [pin 21] - PB11 [pin 22] - PB12 [pin 25] - PB13 [pin 26] - PB14 [pin 27] - PB15 [pin 28] - PB2 [pin 20] - PB3 [pin 39] - PB4 [pin 40] - PB5 [pin 41] - PB6 [pin 42] - PB7 [pin 43] - PB8 [pin 45] - PB9 [pin 46] - PC13 [pin 2] - PC14 [pin 3] - PC15 [pin 4] - PD0 [pin 5] - PD1 [pin 6] - VBAT [pin 1] - VDD [pin 24] - VDD [pin 36] - VDD [pin 48] - VDDA [pin 9] - VSS [pin 35] - VSS [pin 47] - VSS [pin 23] - VSSA [pin 8] ### U15 — [LM2675MX-3.3/NOPB](https://www.flux.ai/adrian95/lm2675mx-3p3nopb.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments - Part Type: Integrated Circuit - Manufacturer Part Number: LM2675MX-3.3/NOPB - Datasheet URL: https://www.ti.com/lit/ds/symlink/lm2675.pdf **Pins:** - CB [pin 1] - FB [pin 4] - GND [pin 6] - NC_1 [pin 2] - NC_2 [pin 3] - ON/~OFF [pin 5] - VIN [pin 7] - VSW [pin 8] ### U16 — [AMC1301DWVR](https://www.flux.ai/lcsc/amc1301dwvr.md) - Operating Voltage: 3.3V - Package or Case Code: SOIC-8_L5.9-W7.5-P1.27-LS11.5-BL - Part Type: Isolation Amplifiers - Input Current: 30uA - Operating Temperature: -40℃~+125℃ - Product Info Url: https://lcsc.com/product-detail/New-Arrivals_Texas-Instruments-TI-AMC1301DWVR_C190273.html - Manufacturer Part Number: AMC1301DWVR - input Voltage: 250mV - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2409302134_Texas-Instruments-AMC1301DWVR_C190273.pdf - JLCPCB Part Class: Extended Part - Manufacturer Name: TI(德州仪器) - LCSC Part Number: C190273 **Pins:** - GND1 [pin 4] - GND2 [pin 5] - VDD1 [pin 1] - VDD2 [pin 8] - VINN [pin 3] - VINP [pin 2] - VOUTN [pin 6] - VOUTP [pin 7] ### U17 — [L293D](https://www.flux.ai/vasy_skral/l293d.md) - Part Type: Integrated Circuit - Manufacturer Name: STMicroelectronics - Manufacturer Part Number: L293D - Symbol Style: Parametric - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/04/ac/22/f9/20/5d/43/a1/CD00000059.pdf/files/CD00000059.pdf/jcr:content/translations/en.CD00000059.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1A [pin 2] - 1Y [pin 3] - 2A [pin 7] - 2Y [pin 6] - 3A [pin 10] - 3Y [pin 11] - 4A [pin 15] - 4Y [pin 14] - EN1,2 [pin 1] - EN3,4 [pin 9] - GND [pin 12] - GND [pin 5] - GND [pin 13] - GND [pin 4] - VCC1 [pin 16] - VCC2 [pin 8] ### U18 — [OPA2333AIDRBT](https://www.flux.ai/jecstronic/opa2333aidrbt.md) - Manufacturer Name: Texas Instruments - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fopa2333 - Part Type: Operational Amplifier (OP-AMP) - Manufacturer Part Number: OPA2333AIDRBT - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - -IN A [pin 2] - -IN B [pin 6] - +IN A [pin 3] - +IN B [pin 5] - OUT [pin 1] - OUT B [pin 7] - PAD [pin 9] - V- [pin 4] - V+ [pin 8] ### U19 — [SN75176BPSRG4](https://www.flux.ai/lcsc/sn75176bpsrg4.md) - Package or Case Code: SOIC-8_L6.2-W5.3-P1.27-LS8.0-BL - Manufacturer Part Number: SN75176BPSRG4 - LCSC Part Number: C2671916 - Manufacturer Name: TI(德州仪器) - JLCPCB Part Class: Extended Part **Pins:** - ~{RE} [pin 2] - A [pin 6] - B [pin 7] - D [pin 4] - DE [pin 3] - GND [pin 5] - R [pin 1] - VCC [pin 8] ### U2 — [LM2675MX-3.3/NOPB](https://www.flux.ai/adrian95/lm2675mx-3p3nopb.md) - Voltage Rating: 40V - Manufacturer Name: Texas Instruments - Package: 8-SOIC - Datasheet URL: https://www.ti.com/lit/ds/symlink/lm2675.pdf - Manufacturer Part Number: LM2675MX-3.3/NOPB - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Role: Power Conversion - Role Details: Regulates 24 V input to 3.3 V @1 A for MCU and logic supply **Pins:** - CB [pin 1] - FB [pin 4] - GND [pin 6] - NC_1 [pin 2] - NC_2 [pin 3] - ON/~OFF [pin 5] - VIN [pin 7] - VSW [pin 8] ### U3 — [AMC1301DWVR](https://www.flux.ai/lcsc/amc1301dwvr.md) - JLCPCB Part Class: Extended Part - LCSC Part Number: C190273 - Manufacturer Name: TI(德州仪器) - Product Info Url: https://lcsc.com/product-detail/New-Arrivals_Texas-Instruments-TI-AMC1301DWVR_C190273.html - Role: Isolation - input Voltage: 250mV - Manufacturer Part Number: AMC1301DWVR - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2409302134_Texas-Instruments-AMC1301DWVR_C190273.pdf - Package or Case Code: SOIC-8_L5.9-W7.5-P1.27-LS11.5-BL - Part Type: Isolation Amplifiers - Operating Temperature: -40℃~+125℃ - Input Current: 30uA - Operating Voltage: 3.3V - Role Details: Isolation amplifier for CT sensing stage **Pins:** - GND1 [pin 4] - GND2 [pin 5] - VDD1 [pin 1] - VDD2 [pin 8] - VINN [pin 3] - VINP [pin 2] - VOUTN [pin 6] - VOUTP [pin 7] ### U4 — [SN75176BPSRG4](https://www.flux.ai/lcsc/sn75176bpsrg4.md) - LCSC Part Number: C2671916 - Package: SOIC-8_L6.2-W5.3-P1.27-LS8.0-BL - Role Details: Half-duplex RS-485 transceiver for MCU UART, providing termination and bias resistors for Modbus RTU communication - Role: Interface - JLCPCB Part Class: Extended Part - Manufacturer Name: TI(德州仪器) - Package or Case Code: SOIC-8_L6.2-W5.3-P1.27-LS8.0-BL - Manufacturer Part Number: SN75176BPSRG4 **Pins:** - ~{RE} [pin 2] - A [pin 6] - B [pin 7] - D [pin 4] - DE [pin 3] - GND [pin 5] - R [pin 1] - VCC [pin 8] ### U5 — [ULN2003ADR2G](https://www.flux.ai/adrian95/uln2003adr2g.md) - Datasheet URL: https://www.onsemi.com/pdf/datasheet/uln2003a-d.pdf - Role: Driver - Manufacturer Part Number: ULN2003ADR2G - Manufacturer Name: onsemi - Role Details: Relay driver IC with integrated flyback diodes - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit **Pins:** - A_1 [pin 1] - A_2 [pin 2] - A_3 [pin 3] - A_4 [pin 4] - A_5 [pin 5] - A_6 [pin 6] - A_7 [pin 7] - EMITTER [pin 9] - GND [pin 8] - K_1 [pin 16] - K_2 [pin 15] - K_3 [pin 14] - K_4 [pin 13] - K_5 [pin 12] - K_6 [pin 11] - K_7 [pin 10] ### U6 — [STM32F103C8T6](https://www.flux.ai/vasy_skral/stm32f103c8t6.md) - Part Type: Microcontroller - Role: Main MCU - Symbol Style: Parametric - Role Details: Main control and signal processing; ADC for CT and moisture sensing; UART for RS-485; PWM for excitation drive - Manufacturer Name: STMicroelectronics - Package: LQFP-48_7x7mm_P0.5mm - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.st.com/resource/en/datasheet/stm32f103cb.pdf - Manufacturer Part Number: STM32F103C8T6 **Pins:** - BOOT0 [pin 44] - NRST [pin 7] - PA0 [pin 10] - PA1 [pin 11] - PA10 [pin 31] - PA11 [pin 32] - PA12 [pin 33] - PA13 [pin 34] - PA14 [pin 37] - PA15 [pin 38] - PA2 [pin 12] - PA3 [pin 13] - PA4 [pin 14] - PA5 [pin 15] - PA6 [pin 16] - PA7 [pin 17] - PA8 [pin 29] - PA9 [pin 30] - PB0 [pin 18] - PB1 [pin 19] - PB10 [pin 21] - PB11 [pin 22] - PB12 [pin 25] - PB13 [pin 26] - PB14 [pin 27] - PB15 [pin 28] - PB2 [pin 20] - PB3 [pin 39] - PB4 [pin 40] - PB5 [pin 41] - PB6 [pin 42] - PB7 [pin 43] - PB8 [pin 45] - PB9 [pin 46] - PC13 [pin 2] - PC14 [pin 3] - PC15 [pin 4] - PD0 [pin 5] - PD1 [pin 6] - VBAT [pin 1] - VDD [pin 24] - VDD [pin 36] - VDD [pin 48] - VDDA [pin 9] - VSS [pin 35] - VSS [pin 47] - VSS [pin 23] - VSSA [pin 8] ### U7 — [LM2675MX-3.3/NOPB](https://www.flux.ai/adrian95/lm2675mx-3p3nopb.md) - Package: 8-SOIC - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: LM2675MX-3.3/NOPB - Datasheet URL: https://www.ti.com/lit/ds/symlink/lm2675.pdf - Role: Power Conversion - Voltage Rating: 40V - Role Details: Regulates 24 V input to 3.3 V @1 A for MCU and logic supply - Manufacturer Name: Texas Instruments **Pins:** - CB [pin 1] - FB [pin 4] - GND [pin 6] - NC_1 [pin 2] - NC_2 [pin 3] - ON/~OFF [pin 5] - VIN [pin 7] - VSW [pin 8] ### U8 — [AMC1301DWVR](https://www.flux.ai/lcsc/amc1301dwvr.md) - Operating Voltage: 3.3V - Part Type: Isolation Amplifiers - Role: Isolation - Package or Case Code: SOIC-8_L5.9-W7.5-P1.27-LS11.5-BL - Input Current: 30uA - Operating Temperature: -40℃~+125℃ - Product Info Url: https://lcsc.com/product-detail/New-Arrivals_Texas-Instruments-TI-AMC1301DWVR_C190273.html - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2409302134_Texas-Instruments-AMC1301DWVR_C190273.pdf - input Voltage: 250mV - Manufacturer Part Number: AMC1301DWVR - JLCPCB Part Class: Extended Part - Role Details: Isolation amplifier for CT sensing stage - Manufacturer Name: TI(德州仪器) - LCSC Part Number: C190273 **Pins:** - GND1 [pin 4] - GND2 [pin 5] - VDD1 [pin 1] - VDD2 [pin 8] - VINN [pin 3] - VINP [pin 2] - VOUTN [pin 6] - VOUTP [pin 7] ### U9 — [SN75176BPSRG4](https://www.flux.ai/lcsc/sn75176bpsrg4.md) - Package or Case Code: SOIC-8_L6.2-W5.3-P1.27-LS8.0-BL - Role Details: Half-duplex RS-485 transceiver for MCU UART, providing termination and bias resistors for Modbus RTU communication - Manufacturer Part Number: SN75176BPSRG4 - JLCPCB Part Class: Extended Part - Manufacturer Name: TI(德州仪器) - Role: Interface - Package: SOIC-8_L6.2-W5.3-P1.27-LS8.0-BL - LCSC Part Number: C2671916 **Pins:** - ~{RE} [pin 2] - A [pin 6] - B [pin 7] - D [pin 4] - DE [pin 3] - GND [pin 5] - R [pin 1] - VCC [pin 8] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/phillshatkin/able-rose-carbonite-freezer](https://www.flux.ai/phillshatkin/able-rose-carbonite-freezer).* --- *Generated from [https://www.flux.ai/phillshatkin/able-rose-carbonite-freezer](https://www.flux.ai/phillshatkin/able-rose-carbonite-freezer)*