# Loyal Yellow T-800 ## Description Non-Isolated Synchronous 4-Switch Buck-Boost DC-DC Converter for PV Optimization (JKM610N-78HL4, 45.39 V @ 9.23 A MPP to 85 V, 50 kHz) with TI C2000 PI Control, Integrated Sensing, and Full Protections ## Project Details - **Owner:** yutiam - **Created:** 12/24/2025 - **Last Updated:** 1/7/2026 - **Visibility:** Public - **Testpoint Placement:** TP1–TP3 located near MCU ADC-related nets and the J1 debug/programming header to simplify probing of ADC channels, Kelvin sense outputs, and debug signals during bring-up and verification - **Desired_Output_Current:** 9.23A - **Ready for DRC:** yes - **Clearance_Distance:** 0.4mm - **Switching_Frequency:** 50kHz - **Initial Trace Widths - power nets:** 2.0 mm - **Panel Datasheet URL:** https://www.enfsolar.com/pv/panel-datasheet/crystalline/53406?utm_source=openai - **PCB Layout Width (mm):** 769.8mm - **PCB Layout Height (mm):** 1977.7mm - **Panel_Imp:** 9.23 - **Kelvin Sense Nets:** Shunt: R7:P1,R7:P2,U3:IN+,U3:IN-,U3:OUT,U1:ADCINB1; PV_Divider: R5:P1,R5:P2,R6:P1,R6:P2,U1:ADCINA1,TP2:1; Bias_OVP: R11:P1,R11:P2,R12:P1,R12:P2; Bias_UVLO: R9:P1,R9:P2,R10:P1,R10:P2 - **DRC_airwires_results:** [] - **Clearance_mm:** 0.4mm - **Manufacturability_Issues:** [] - **Initial Trace Widths - HV nets:** 0.5 mm - **Desired_Output_Voltage:** 85V - **Clearance Rule:** 3mm - **Desired_Output_Power:** 784.55 - **missing_footprints_results:** [] - **Connector Orientation:** CN1: PV input on left edge; CN2: 85 V output on right edge - **Net Classes:** HV: PV_IN, SWITCH_NODES, HV_OUT; Power: PGND, BIAS_12V, BIAS_3V3 - **BOM_entries:** ### Bill Of Materials Search Results <parts> <part name="Generic Non-Plated Mounting Hole" quantity=4 description="A generic mounting hole for your PCB. This is not plated, means - it just a hole on the board. It doesn't have any annular copper rings. Available for screw sizes: M1, M2, M2.5, M3, M3.5, M4, M4.5, M5, M6, M7" designators="Hole1, Hole2, Hole4, Hole3" isBomElement=false/> <part name="Net Portal" quantity=32 description="Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portal" designators="C1 P1 - L1 P1, C2 P2 - R6 P2, R2 P1 - U1 GPIO1/EPWM1B/COMP1OUT, R6 P1 - U1 ADCINA1, CN2 PIN1 - C2 P1, U3 OUT - U1 ADCINB1, R3 P1 - U1 GPIO2/EPWM2A, R4 P1 - U1 GPIO3/EPWM2B/COMP2OUT, R1 P1 - U1 GPIO0/EPWM1A, R7 P1 - U3 IN+" isBomElement=false/> <part name="Generic Resistor" quantity=12 description="A generic fixed resistor for rapid developing circuit topology. Standard resistor values provided. #generics #CommonPartsLibrary" designators="R7, R10, R6, R4, R3, R2, R11, R9, R1, R8, R12, R5" isBomElement=true/> <part name="5019" mpn="5019" quantity=3 manufacturers="Keystone Electronics" datasheetUrl="https://www.keyelco.com/product-pdf.cfm?p=1357" description="Circuit Board Hardware - PCB test point" designators="TP2, TP1, TP3" isBomElement=true/> <part name="Generic Capacitor" quantity=6 description="A generic fixed capacitor for rapid developing circuit topology. Standard capacitor values provided. #generics #CommonPartsLibrary" designators="C5, C3, C4, C1, C6, C2" isBomElement=true/> <part name="INA180A2IDBVT" mpn="INA180A2IDBVT" quantity=1 manufacturers="Texas Instruments" datasheetUrl="https://www.ti.com/lit/ds/symlink/ina180.pdf" description="Current sense amplifier" designators="U3" isBomElement=true/> <part name="TMS320F28027PTQ" mpn="TMS320F28027PTQ" quantity=1 manufacturers="TI(德州仪器)" datasheetUrl="https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410311239_Texas-Instruments-TMS320F28027PTQ_C471069.pdf" description="TI MCU" designators="U1" isBomElement=true/> <part name="SMBJ90A" mpn="SMBJ90A" quantity=1 manufacturers="MDD" datasheetUrl="https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2407291901_MDD-Microdiode-Semiconductor-SMBJ90A_C173543.pdf" description="TVS diode" designators="D1" isBomElement=true/> <part name="14 Pin Castelated Header" mpn="X5511WV-14-C396D43-1220" quantity=1 manufacturers="XKB Connection(中国星坤)" description="Debug/programming header" designators="J1" isBomElement=true/> <part name="3-794630-2" mpn="3-794630-2" quantity=1 manufacturers="TE Connectivity AMP Connectors" datasheetUrl="https://www.te.com/usa-en/product-3-794630-2.datasheet.pdf" description="PV panel input connector" designators="CN1" isBomElement=true/> <part name="Generic Inductor" quantity=1 description="A generic fixed inductor for rapid developing circuit topology. #generics" designators="L1" isBomElement=true/> <part name="XY301V-A-5.0-2P" mpn="XY301V-A-5.0-2P" quantity=1 manufacturers="Ningbo Xinlaiya Elec." description="85 V output connector" designators="CN2" isBomElement=true/> - **Creepage Rule:** 5mm - **Panel_Voc:** 54.95V - **Creepage_Distance:** 1.5mm - **Creepage_mm:** 1mm - **DRC_routed_board_issues:** [] - **Copper Weight:** 2 oz - **Components_Missing_MPN:** C1, C2, C3, C4, C5, C6, L1, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 - **Domain:** Energy - **Board Size:** 120.0 mm x 100.0 mm - **Placement Guidance:** Cluster Q1–Q4 MOSFETs and IR2110 gate drivers close together to minimize high-current switch loop area; place inductor L1 adjacent to MOSFET bridge; locate decoupling capacitors C1–C6 close to their respective MOSFET pins; position Kelvin sense resistors near shunt resistor R7 and divider resistors; ensure short, direct traces between drivers and MOSFET gate pins. - **Initial Trace Widths - signal nets:** 0.3 mm - **Panel_Vmp:** 45.39V - **Stackup:** Standard 4 Layer - **PCB Layers:** 4 - **System Architecture:** ```mermaid flowchart TD PV["PV Panel"] IF["Input Filter"] PS["Power Stage\n4-Switch Bridge"] L["Inductor"] OF["Output Filter"] OUT["85V Output"] FB["Feedback & Control"] MCU["TI C2000 PWM/PI Control"] GD["Gate Drivers"] PV --> IF IF --> PS PS --> L L --> OF OF --> OUT OUT --> FB FB --> MCU MCU --> GD GD --> PS ``` ## Key Components ### CN1 — [3-794630-2](https://www.flux.ai/adrian95/3-794630-2~wha.md) - Manufacturer Part Number: 3-794630-2 - License: https://creativecommons.org/licenses/by/4.0/ - Connector Gender: Receptacle - Connector Positions: 2 - Package or Case Code: RHDR2W102P0X300_1X2_700X867X924P - Role Details: PV panel input connector - Part Type: Connector - Manufacturer Name: TE Connectivity - Connector Pitch: 7.62mm - Connector Type: Power Connectors - Role: Connector - Mount: Through Hole - Connector Rows: 1 - Datasheet URL: https://www.te.com/usa-en/product-3-794630-2.datasheet.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] ### CN2 — [XY301V-A-5.0-2P](https://www.flux.ai/jharwinbarrozo/xy301v-a-50-2p~u6.md) - Mount: Through Hole - Connector Rows: 1 - Connector Positions: 2 - Part Type: Connector - Connector Gender: Receptacle - Connector Type: Power Connectors - Role: Connector - Connector Pitch: 5mm - Manufacturer Name: Ningbo Xinlaiya Elec. - Manufacturer Part Number: XY301V-A-5.0-2P - Role Details: 85 V output connector **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] ### D1 — [SMBJ90A](https://www.flux.ai/lcsc/smbj90a~zo4.md) - Package or Case Code: SMB_L4.6-W3.6-LS5.3-RD - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2407291901_MDD-Microdiode-Semiconductor-SMBJ90A_C173543.pdf - Role: Protection - Package: SMB_L4.6-W3.6-LS5.3-RD - Manufacturer Name: MDD - LCSC Part Number: C173543 - Part Type: TVS - Product Info Url: https://lcsc.com/product-detail/TVS_Jiangsu-Yutai-Elec-SMBJ90A_C173543.html - Manufacturer Part Number: SMBJ90A - Role Details: Transient suppression on 85 V output **Pins:** - A [pin 2] - K [pin 1] ### IC1 — [LM1117MP-3.3/NOPB](https://www.flux.ai/adrian95/lm1117mp-3p3nopb~ohz.md) - Datasheet URL: http://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Flm1117 - Role: Linear Regulator - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: 3.3V supply for MCU - Manufacturer Name: Texas Instruments - Part Type: Integrated Circuit - Package or Case Code: SOT230P700X180-4N - Manufacturer Part Number: LM1117MP-3.3/NOPB **Pins:** - ADJ/GND [pin 1] - INPUT [pin 3] - OUTPUT [pin 2] - VOUT [pin 4] ### J1 — [14 Pin Castelated Header](https://www.flux.ai/negativesupply/14-pin-castelated-header~pa.md) - Manufacturer Part Number: X5511WV-14-C396D43-1220 - Part Type: Connector - Connector Positions: 14 - Connector Gender: Male - Mount: Through Hole - Connector Rows: 1 - Connector Pitch: 2.54mm - Manufacturer Name: XKB Connection(中国星坤) - JLCPCB Part Class: Extended Part - Package or Case Code: HDR-TH_14P-P2.54-V-M - Role: Debug / Programming - Connector Type: Headers and Wire Housings - Role Details: Debug/programming header - LCSC Part Number: C2883401 **Pins:** - 1 [pin 1] - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - 14 [pin 14] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### Q1 — [BSC160N15NS5ATMA1](https://www.flux.ai/jselfridge/bsc160n15ns5atma1~o7.md) - Product Info Url: https://www.lcsc.com/product-detail/MOSFETs_Infineon-Technologies-BSC160N15NS5ATMA1_C3278736.html - JLCPCB Part Class: Extended Part - Manufacturer Name: Infineon - Package or Case Code: PG-TDSON-8 - Drain to Source Voltage: 150V - Manufacturer Part Number: BSC160N15NS5ATMA1 - Transistor Type: N-Channel - Power: 96W - LCSC Part Number: C3278736 - Role Details: High-voltage synchronous power MOSFET for buck-boost stage - Part Type: MOSFETs - Operating Temperature: -55~+150℃ - Continuous Drain Current: 56A - Role: Switch MOSFET - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2404031043_Infineon-Technologies-BSC160N15NS5ATMA1_C3278736.pdf **Pins:** - D [pin 7] - D [pin 8] - D [pin 6] - D [pin 5] - G [pin 4] - S [pin 2] - S [pin 3] - S [pin 1] ### Q2 — [BSC160N15NS5ATMA1](https://www.flux.ai/jselfridge/bsc160n15ns5atma1~o7.md) - Drain to Source Voltage: 150V - Manufacturer Part Number: BSC160N15NS5ATMA1 - Product Info Url: https://www.lcsc.com/product-detail/MOSFETs_Infineon-Technologies-BSC160N15NS5ATMA1_C3278736.html - JLCPCB Part Class: Extended Part - Role Details: High-voltage synchronous power MOSFET for buck-boost stage - Manufacturer Name: Infineon - Package or Case Code: PG-TDSON-8 - Part Type: MOSFETs - Operating Temperature: -55~+150℃ - Continuous Drain Current: 56A - Role: Switch MOSFET - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2404031043_Infineon-Technologies-BSC160N15NS5ATMA1_C3278736.pdf - Transistor Type: N-Channel - Power: 96W - LCSC Part Number: C3278736 **Pins:** - D [pin 7] - D [pin 8] - D [pin 6] - D [pin 5] - G [pin 4] - S [pin 2] - S [pin 3] - S [pin 1] ### Q3 — [BSC160N15NS5ATMA1](https://www.flux.ai/jselfridge/bsc160n15ns5atma1~o7.md) - Drain to Source Voltage: 150V - Role: Switch MOSFET - Manufacturer Part Number: BSC160N15NS5ATMA1 - JLCPCB Part Class: Extended Part - Product Info Url: https://www.lcsc.com/product-detail/MOSFETs_Infineon-Technologies-BSC160N15NS5ATMA1_C3278736.html - Package or Case Code: PG-TDSON-8 - Manufacturer Name: Infineon - Continuous Drain Current: 56A - Role Details: High-voltage synchronous power MOSFET for buck-boost stage - Part Type: MOSFETs - Operating Temperature: -55~+150℃ - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2404031043_Infineon-Technologies-BSC160N15NS5ATMA1_C3278736.pdf - Power: 96W - Transistor Type: N-Channel - LCSC Part Number: C3278736 **Pins:** - D [pin 7] - D [pin 8] - D [pin 6] - D [pin 5] - G [pin 4] - S [pin 2] - S [pin 3] - S [pin 1] ### Q4 — [BSC160N15NS5ATMA1](https://www.flux.ai/jselfridge/bsc160n15ns5atma1~o7.md) - Transistor Type: N-Channel - Power: 96W - LCSC Part Number: C3278736 - Operating Temperature: -55~+150℃ - Part Type: MOSFETs - Continuous Drain Current: 56A - Role Details: High-voltage synchronous power MOSFET for buck-boost stage - Role: Switch MOSFET - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2404031043_Infineon-Technologies-BSC160N15NS5ATMA1_C3278736.pdf - Product Info Url: https://www.lcsc.com/product-detail/MOSFETs_Infineon-Technologies-BSC160N15NS5ATMA1_C3278736.html - JLCPCB Part Class: Extended Part - Package or Case Code: PG-TDSON-8 - Manufacturer Name: Infineon - Drain to Source Voltage: 150V - Manufacturer Part Number: BSC160N15NS5ATMA1 **Pins:** - D [pin 7] - D [pin 8] - D [pin 6] - D [pin 5] - G [pin 4] - S [pin 2] - S [pin 3] - S [pin 1] ### TP1 — [5019](https://www.flux.ai/adrian95/5019~fxh.md) - Manufacturer Part Number: 5019 - Role: Test Point - Part Type: Test Point - Manufacturer Name: Keystone Electronics - Datasheet URL: https://www.keyelco.com/product-pdf.cfm?p=1357 - License: https://creativecommons.org/licenses/by/4.0/ - Package or Case Code: 5019 **Pins:** - 1 [pin 1] ### TP2 — [5019](https://www.flux.ai/adrian95/5019~fxh.md) - Manufacturer Name: Keystone Electronics - Datasheet URL: https://www.keyelco.com/product-pdf.cfm?p=1357 - Role: Test Point - License: https://creativecommons.org/licenses/by/4.0/ - Package or Case Code: 5019 - Manufacturer Part Number: 5019 - Part Type: Test Point **Pins:** - 1 [pin 1] ### TP3 — [5019](https://www.flux.ai/adrian95/5019~fxh.md) - Datasheet URL: https://www.keyelco.com/product-pdf.cfm?p=1357 - Manufacturer Name: Keystone Electronics - Role: Test Point - Package or Case Code: 5019 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Test Point - Manufacturer Part Number: 5019 **Pins:** - 1 [pin 1] ### U1 — [TMS320F28027PTQ](https://www.flux.ai/lcsc/tms320f28027ptq~ckfu.md) - LCSC Part Number: C471069 - JLCPCB Part Class: Extended Part - Role Details: PI control PWM and ADC for buck-boost - Package or Case Code: LQFP-48_L7.0-W7.0-P0.50-LS9.0-BL - Manufacturer Name: TI(德州仪器) - Package: LQFP-48_L7.0-W7.0-P0.50-LS9.0-BL - Part Type: TI MCU - Manufacturer Part Number: TMS320F28027PTQ - Role: Main MCU - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410311239_Texas-Instruments-TMS320F28027PTQ_C471069.pdf - Product Info Url: https://lcsc.com/product-detail/TI-MCU_Texas-Instruments-Texas-Instruments-TMS320F28027PTQ_C471069.html **Pins:** - ~{TRST} [pin 2] - ~{VREGENZ} [pin 34] - ~{XRS} [pin 3] - ADCINA0/VREFHI [pin 10] - ADCINA1 [pin 8] - ADCINA2/COMP1A/AIO2 [pin 9] - ADCINA3 [pin 7] - ADCINA4/COMP2A/AIO4 [pin 5] - ADCINA6/AIO6 [pin 4] - ADCINA7 [pin 6] - ADCINB1 [pin 13] - ADCINB2/COMP1B/AIO10 [pin 14] - ADCINB3 [pin 15] - ADCINB4/COMP2B/AIO12 [pin 16] - ADCINB6/AIO14 [pin 17] - ADCINB7 [pin 18] - GPIO0/EPWM1A [pin 29] - GPIO1/EPWM1B/COMP1OUT [pin 28] - GPIO12/~{TZ1}/SCITXDA [pin 47] - GPIO16/SPISIMOA/~{TZ2} [pin 27] - GPIO17/SPISOMIA/~{TZ3} [pin 26] - GPIO18/SPICLKA/SCITXDA/XCLKOUT [pin 24] - GPIO19/XCLKIN/~{SPISTEA}/SCIRXDA/ECAP1 [pin 25] - GPIO2/EPWM2A [pin 37] - GPIO28/SCIRXDA/SDAA/~{TZ2} [pin 48] - GPIO29/SCITXDA/SCLA/~{TZ3} [pin 1] - GPIO3/EPWM2B/COMP2OUT [pin 38] - GPIO32/SDAA/EPWMSYNCI/~{ADCSOCAO} [pin 31] - GPIO33/SCLA/EPWMSYNCO/~{ADCSOCBO} [pin 36] - GPIO34/COMP2OUT [pin 19] - GPIO35(TDI) [pin 20] - GPIO36(TMS) [pin 21] - GPIO37(TDO) [pin 22] - GPIO38/XCLKIN(TCK) [pin 23] - GPIO4/EPWM3A [pin 39] - GPIO5/EPWM3B/ECAP1 [pin 40] - GPIO6/EPWM4A/EPWMSYNCI/EPWMSYNCO [pin 41] - GPIO7/EPWM4B/SCIRXDA [pin 42] - TEST [pin 30] - VDD [pin 32] - VDD [pin 43] - VDDA [pin 11] - VDDIO [pin 35] - VSS [pin 33] - VSS [pin 44] - VSSA/VREFLO [pin 12] - X1 [pin 45] - X2 [pin 46] ### U2 — [REF5025ID](https://www.flux.ai/lcsc/ref5025id~igy6.md) - JLCPCB Part Class: Extended Part - Package or Case Code: SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL - Package: SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL - Product Info Url: https://lcsc.com/product-detail/Voltage-References_Texas-Instruments-Texas-Instruments-REF5025ID_C523999.html - Role: Voltage Reference - Manufacturer Part Number: REF5025ID - Manufacturer Name: TI(德州仪器) - Role Details: 2.5 V reference for ADC - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Texas-Instruments-REF5025ID_C523999.pdf - LCSC Part Number: C523999 - Part Type: Voltage References **Pins:** - DNC [pin 1] - DNC [pin 8] - GND [pin 4] - NC [pin 7] - TEMP [pin 3] - TRIM/NR [pin 5] - VIN [pin 2] - VOUT [pin 6] ### U3 — [INA180A2IDBVT](https://www.flux.ai/adrian95/ina180a2idbvt~ur0.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.ti.com/lit/ds/symlink/ina180.pdf - Part Type: Integrated Circuit - Package: SOT-23-5_L3.0-W1.7-P0.95-LS2.8-BR - Manufacturer Name: Texas Instruments - Manufacturer Part Number: INA180A2IDBVT - Role: Sensing (Shunt) - Role Details: Current-sense amplifier for shunt resistor **Pins:** - GND [pin 2] - IN- [pin 4] - IN+ [pin 3] - OUT [pin 1] - VS [pin 5] ### U4 — [IR2110SPBF](https://www.flux.ai/lcsc/ir2110spbf~zbd5.md) - Manufacturer Name: Infineon(英飞凌) - LCSC Part Number: C537554 - Role: Gate Driver - JLCPCB Part Class: Extended Part - Part Type: Gate Drive ICs - Package or Case Code: SOIC-16_L10.3-W7.5-P1.27-LS10.3-BL - Manufacturer Part Number: IR2110SPBF - Datasheet URL: https://assets.lcsc.com/datasheet/szlcsc/Download-ISO9001-Certification.pdf - Role Details: High-side/low-side bootstrap gate driver for MOSFET bridge - Product Info Url: https://lcsc.com/product-detail/MOS-Drivers_Infineon-Technologies-IR2110SPBF_C537554.html **Pins:** - COM [pin 2] - HIN [pin 12] - HO [pin 8] - LIN [pin 14] - LO [pin 1] - NC [pin 4] - NC [pin 5] - NC [pin 9] - NC [pin 10] - NC [pin 16] - SD [pin 13] - VB [pin 7] - VCC [pin 3] - VDD [pin 11] - VS [pin 6] - VSS [pin 15] ### U5 — [IR2110SPBF](https://www.flux.ai/lcsc/ir2110spbf~zbd5.md) - LCSC Part Number: C537554 - Manufacturer Name: Infineon(英飞凌) - JLCPCB Part Class: Extended Part - Part Type: Gate Drive ICs - Package or Case Code: SOIC-16_L10.3-W7.5-P1.27-LS10.3-BL - Manufacturer Part Number: IR2110SPBF - Datasheet URL: https://assets.lcsc.com/datasheet/szlcsc/Download-ISO9001-Certification.pdf - Role Details: High-side/low-side bootstrap gate driver for MOSFET bridge - Role: Gate Driver - Product Info Url: https://lcsc.com/product-detail/MOS-Drivers_Infineon-Technologies-IR2110SPBF_C537554.html **Pins:** - COM [pin 2] - HIN [pin 12] - HO [pin 8] - LIN [pin 14] - LO [pin 1] - NC [pin 4] - NC [pin 5] - NC [pin 9] - NC [pin 10] - NC [pin 16] - SD [pin 13] - VB [pin 7] - VCC [pin 3] - VDD [pin 11] - VS [pin 6] - VSS [pin 15] ### U6 — [LM7812T](https://www.flux.ai/lcsc/lm7812t~he27.md) - Manufacturer Part Number: LM7812T - JLCPCB Part Class: Extended Part - Role: Linear Regulator - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - LCSC Part Number: C2902509 - Part Type: Linear Voltage Regulators (LDO) - Role Details: 12V bias supply for gate drivers - Manufacturer Name: HGSEMI(华冠) **Pins:** - GND [pin 2] - INPUT [pin 1] - OUTPUT [pin 3] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/yutiam/loyal-yellow-t-800~ek](https://www.flux.ai/yutiam/loyal-yellow-t-800~ek).* --- *Generated from [https://www.flux.ai/yutiam/loyal-yellow-t-800~ek](https://www.flux.ai/yutiam/loyal-yellow-t-800~ek)*