# Munkrofon ## Description wireless ## Project Details - **Owner:** timbochu - **Created:** 7/25/2026 - **Last Updated:** 7/26/2026 - **Visibility:** Public - **Copies:** 2 ## Key Components ### AE1 — [NN02-224](https://www.flux.ai/adrian95/nn02-224~cs5.md) - Role: RF Tuning / Matching - Datasheet URL: https://ignion.io/files/DS_NN02-224.pdf - Manufacturer Part Number: NN02-224 - Role Details: TX ANT1 placeholder only; replace with official RTX1x90EVK antenna layout or approved antenna/matching network - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Ignion - Part Type: Antenna - Functional Group: Transmitter RF **Pins:** - 1 [pin 1] ### AE2 — [NN02-224](https://www.flux.ai/adrian95/nn02-224~cs5.md) - Functional Group: Transmitter RF - Part Type: Antenna - Role Details: TX ANT2 placeholder only; replace with official RTX antenna diversity layout - Manufacturer Name: Ignion - Role: RF Tuning / Matching - Datasheet URL: https://ignion.io/files/DS_NN02-224.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: NN02-224 **Pins:** - 1 [pin 1] ### AE3 — [NN02-224](https://www.flux.ai/adrian95/nn02-224~cs5.md) - Functional Group: Receiver RF - Datasheet URL: https://ignion.io/files/DS_NN02-224.pdf - Role Details: RX ANT1 placeholder only; replace with official RTX1x90EVK antenna layout or approved antenna/matching network - Manufacturer Part Number: NN02-224 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Antenna - Manufacturer Name: Ignion - Role: RF Tuning / Matching **Pins:** - 1 [pin 1] ### AE4 — [NN02-224](https://www.flux.ai/adrian95/nn02-224~cs5.md) - Manufacturer Name: Ignion - Functional Group: Receiver RF - Part Type: Antenna - Role Details: RX ANT2 placeholder only; replace with official RTX antenna diversity layout - Role: RF Tuning / Matching - Datasheet URL: https://ignion.io/files/DS_NN02-224.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: NN02-224 **Pins:** - 1 [pin 1] ### D1 — [USBLC6-2SC6](https://www.flux.ai/lcsc/usblc6-2sc6~2e9x.md) - Manufacturer Part Number: USBLC6-2SC6 - Power: 150W - Breakdown Voltage: 6V - Operating Temperature: -55°C ~ 125°C (TJ) - Functional Group: Transmitter Power - Part Type: ESD Protection Devices - Peak Pulse Current: 5A - Manufacturer Name: UMW(友台半导体) - Maximum Clamping Voltage: 17V - LCSC Part Number: C2687116 - Symbol Style: parametric-v1 - Package or Case Code: SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL - Role: ESD Protection - JLCPCB Part Class: Extended Part - Datasheet URL: https://www.lcsc.com/datasheet/C2687116.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNRTlhdUVdURFlXXzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Role Details: TX USB 2.0 D+/D- low-capacitance ESD clamp **Pins:** - GND [pin 2] - I/O1 [pin 1] - I/O1 [pin 6] - I/O2 [pin 3] - I/O2 [pin 4] - VBUS [pin 5] ### D2 — [USBLC6-2SC6](https://www.flux.ai/lcsc/usblc6-2sc6~2e9x.md) - LCSC Part Number: C2687116 - Symbol Style: parametric-v1 - Package or Case Code: SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL - JLCPCB Part Class: Extended Part - Datasheet URL: https://www.lcsc.com/datasheet/C2687116.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNRTlhdUVdURFlXXzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Part Type: ESD Protection Devices - Peak Pulse Current: 5A - Role Details: RX USB 2.0 D+/D- low-capacitance ESD clamp - Maximum Clamping Voltage: 17V - Manufacturer Name: UMW(友台半导体) - Functional Group: Receiver Power - Breakdown Voltage: 6V - Operating Temperature: -55°C ~ 125°C (TJ) - Role: ESD Protection - Power: 150W - Manufacturer Part Number: USBLC6-2SC6 **Pins:** - GND [pin 2] - I/O1 [pin 1] - I/O1 [pin 6] - I/O2 [pin 3] - I/O2 [pin 4] - VBUS [pin 5] ### D3 — [BAV199LT1G](https://www.flux.ai/lcsc/bav199lt1g~4rlm.md) - Part Type: Diodes - General Purpose - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010303_onsemi-BAV199LT1G_C145516.pdf - Role: Clamping - Product Info Url: https://lcsc.com/product-detail/Diodes-General-Purpose_ON_BAV199LT1G_BAV199LT1G_C145516.html - Package or Case Code: SOT-23_L2.9-W1.3-P1.90-LS2.4-BR - Manufacturer Name: onsemi(安森美) - LCSC Part Number: C145516 - JLCPCB Part Class: Extended Part - Role Details: TX XLR hot low-leakage clamp to GND/+5V after series resistor - Functional Group: Transmitter Audio Protection - Manufacturer Part Number: BAV199LT1G **Pins:** - A [pin 1] - C [pin 2] - C/A [pin 3] ### D4 — [BAV199LT1G](https://www.flux.ai/lcsc/bav199lt1g~4rlm.md) - Role Details: TX XLR cold low-leakage clamp to GND/+5V after series resistor - Role: Clamping - Manufacturer Part Number: BAV199LT1G - LCSC Part Number: C145516 - JLCPCB Part Class: Extended Part - Functional Group: Transmitter Audio Protection - Manufacturer Name: onsemi(安森美) - Package or Case Code: SOT-23_L2.9-W1.3-P1.90-LS2.4-BR - Part Type: Diodes - General Purpose - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010303_onsemi-BAV199LT1G_C145516.pdf - Product Info Url: https://lcsc.com/product-detail/Diodes-General-Purpose_ON_BAV199LT1G_BAV199LT1G_C145516.html **Pins:** - A [pin 1] - C [pin 2] - C/A [pin 3] ### D5 — [MBRM120ET1G](https://www.flux.ai/lcsc/mbrm120et1g~8izz.md) - Package or Case Code: POWERMITE_L2.0-W1.9-LS3.8-RD - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010304_onsemi-MBRM120ET1G_C152484.pdf - Manufacturer Name: onsemi(安森美) - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_ON_MBRM120ET1G_MBRM120ET1G_C152484.html - JLCPCB Part Class: Extended Part - Role Details: RX TPS65131 positive boost Schottky diode per TI typical application - Part Type: Schottky Barrier Diodes (SBD) - Role: Rectification - LCSC Part Number: C152484 - Manufacturer Part Number: MBRM120ET1G **Pins:** - A [pin 2] - C [pin 1] ### D6 — [MBRM120ET1G](https://www.flux.ai/lcsc/mbrm120et1g~8izz.md) - Manufacturer Name: onsemi(安森美) - Role Details: RX TPS65131 inverting converter Schottky diode per TI typical application - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010304_onsemi-MBRM120ET1G_C152484.pdf - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_ON_MBRM120ET1G_MBRM120ET1G_C152484.html - JLCPCB Part Class: Extended Part - Package or Case Code: POWERMITE_L2.0-W1.9-LS3.8-RD - Role: Rectification - Manufacturer Part Number: MBRM120ET1G - Part Type: Schottky Barrier Diodes (SBD) - LCSC Part Number: C152484 **Pins:** - A [pin 2] - C [pin 1] ### D7 — [PESD5V0S1BAF](https://www.flux.ai/lcsc/pesd5v0s1baf~gfv.md) - Product Info Url: https://lcsc.com/product-detail/presales_Nexperia-PESD5V0S1BAF_C552564.html - LCSC Part Number: C552564 - Manufacturer Part Number: PESD5V0S1BAF - Package or Case Code: SOD-323_L1.8-W1.3-LS2.5-BI - JLCPCB Part Class: Extended Part - Role Details: TX XLR hot ESD clamp after series resistor - Functional Group: Transmitter Audio Protection - Part Type: ESD Protection Devices - Role: Protection - Manufacturer Name: Nexperia(安世) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409301804_Nexperia-PESD5V0S1BAF_C552564.pdf **Pins:** - K1 [pin 1] - K2 [pin 2] ### D8 — [PESD5V0S1BAF](https://www.flux.ai/lcsc/pesd5v0s1baf~gfv.md) - Manufacturer Part Number: PESD5V0S1BAF - LCSC Part Number: C552564 - Functional Group: Transmitter Audio Protection - Product Info Url: https://lcsc.com/product-detail/presales_Nexperia-PESD5V0S1BAF_C552564.html - JLCPCB Part Class: Extended Part - Role Details: TX XLR cold ESD clamp after series resistor - Package or Case Code: SOD-323_L1.8-W1.3-LS2.5-BI - Part Type: ESD Protection Devices - Manufacturer Name: Nexperia(安世) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409301804_Nexperia-PESD5V0S1BAF_C552564.pdf - Role: Protection **Pins:** - K1 [pin 1] - K2 [pin 2] ### J1 — [USB4105-GF-A](https://www.flux.ai/adrian95/usb4105-gf-a~im9.md) - Manufacturer Name: GCT - Manufacturer Part Number: USB4105-GF-A - Manufacturer Name: GCT - Functional Group: Transmitter Power - Datasheet URL: https://gct.co/files/specs/usb4105-spec.pdf - Role: USB-C Connector - License: https://creativecommons.org/licenses/by/4.0/ - Symbol Style: parametric-v1 - Part Type: USB C - Role Details: TX USB-C sink for 5V charging; CC pull-downs added separately **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND [pin A1_B12] - GND__1 [pin B1_A12] - SBU1 [pin A8] - SBU2 [pin B8] - SHELL_GND [pin SH1] - SHELL_GND__1 [pin SH2] - SHELL_GND__2 [pin SH3] - SHELL_GND__3 [pin SH4] - VBUS [pin A4_B9] - VBUS__1 [pin B4_A9] ### J2 — [B2B-PH-SM4-TB](https://www.flux.ai/adrian95/b2b-ph-sm4-tb~dr.md) - Role: Battery Connector - Role Details: TX single-cell Li-ion/LiPo connector; protected cell recommended for Rev A - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: B2B-PH-SM4-TB - Part Type: Connector - Manufacturer Name: JST Sales America Inc. - Functional Group: Transmitter Power - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] - MP1 [pin 3] - MP2 [pin 4] ### J3 — [NC3FAH1](https://www.flux.ai/jecstronic/nc3fah1~llc.md) - License: https://creativecommons.org/licenses/by/4.0/ - Functional Group: Transmitter Audio - Manufacturer Name: Neutrik - Manufacturer Part Number: NC3FAH1 - Role: Balanced Mic Input - Role Details: TX XLR female input: pin 1 shield, pin 2 hot, pin 3 cold - Datasheet URL: https://www.mouser.com/datasheet/2/289/st-nc3fah1-1853786.pdf - Part Type: Connector **Pins:** - 1+G [pin 1] - 2 [pin 2] - 3 [pin 3] ### J4 — [USB4105-GF-A](https://www.flux.ai/adrian95/usb4105-gf-a~im9.md) - Functional Group: Receiver Power - Manufacturer Part Number: USB4105-GF-A - Manufacturer Name: GCT - Role: USB-C Connector - Manufacturer Name: GCT - Datasheet URL: https://gct.co/files/specs/usb4105-spec.pdf - Symbol Style: parametric-v1 - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: RX USB-C sink for 5V charging; CC pull-downs added separately - Part Type: USB C **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND [pin A1_B12] - GND__1 [pin B1_A12] - SBU1 [pin A8] - SBU2 [pin B8] - SHELL_GND [pin SH1] - SHELL_GND__1 [pin SH2] - SHELL_GND__2 [pin SH3] - SHELL_GND__3 [pin SH4] - VBUS [pin A4_B9] - VBUS__1 [pin B4_A9] ### J5 — [B2B-PH-SM4-TB](https://www.flux.ai/adrian95/b2b-ph-sm4-tb~dr.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: B2B-PH-SM4-TB - Manufacturer Name: JST Sales America Inc. - Functional Group: Receiver Power - Role: Battery Connector - Part Type: Connector - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf - Role Details: RX single-cell Li-ion/LiPo connector; protected cell recommended for Rev A **Pins:** - 1 [pin 1] - 2 [pin 2] - MP1 [pin 3] - MP2 [pin 4] ### J6 — [NC3MAH](https://www.flux.ai/adrian95/nc3mah~osp.md) - Functional Group: Receiver Audio - License: https://creativecommons.org/licenses/by/4.0/ - Connector Type: XLR Connector - Datasheet URL: https://www.neutrik.com/en/product/nc3mah - Connector Gender: Male Receptacle - Part Type: Connector - Manufacturer Name: Neutrik - Role: Balanced Output Connector - Manufacturer Part Number: NC3MAH - Role Details: RX XLR male output: pin 1 shield, pin 2 hot, pin 3 cold **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - G1 [pin G1] ### U1 — RTX1090R1 - Manufacturer Part Number: RTX1090R1 - Part Type: Integrated Circuits - Frequency: 1.9GHz - Datasheet URL: https://device.report/m/9e18164f533fe723c5b8a2031b4405f6c0b2075a93c2c334a32e62aee139802f.pdf - Functional Group: Transmitter RF - Mount: Base - Manufacturer Name: RTX A/S - Package or Case Code: Module - Role Details: TX RTX1090R1 DECT module; Prototype Rev A provisional footprint and interface mapping from public datasheet - Role: RF Module **Pins:** - ANT1 [pin A1] - ANT2 [pin A3] - GND [pin C7] - GND [pin L4] - GND [pin K8] - GND [pin C1] - GND [pin C6] - GND [pin B2] - GND [pin J6] - GND [pin G8] - GND [pin H4] - GND [pin G5] - GND [pin C2] - GND [pin G1] - GND [pin F3] - GND [pin J1] - GND [pin E5] - GND [pin B5] - GND [pin D8] - GND [pin E1] - GND [pin B8] - GND [pin K2] - GND [pin C3] - GND [pin B4] - GND [pin K5] - GND [pin M2] - GND [pin M5] - GND [pin L6] - GND [pin M8] - GND [pin G6] - P0_0_UART_TX_BOOT [pin J3] - P0_1_UART_RX [pin J2] - P0_10 [pin G4] - P0_11_BXTAL [pin H1] - P0_12_SPDIF_IN [pin G2] - P0_13_ADC1_COMP [pin F2] - P0_14_ADC0_NTC [pin E3] - P0_15_PON [pin E2] - P0_2_DEBUG_WAIT [pin H3] - P0_3 [pin H2] - P0_4_32K_XTAL_OUT [pin K3] - P0_5 [pin G3] - P0_6_32K_XTAL1 [pin L5] - P0_7_32K_XTAL2 [pin L7] - P0_8 [pin K4] - P0_9 [pin J4] - P1_0_QSPI2_IO0 [pin J7] - P1_1_QSPI2_SCK [pin H7] - P1_10 [pin H6] - P1_11 [pin H5] - P1_12 [pin J5] - P1_2_QSPI2_IO3 [pin G7] - P1_3_QSPI2_CS [pin F7] - P1_4_QSPI2_IO1 [pin E7] - P1_5_QSPI2_IO2 [pin D7] - P1_6 [pin E6] - P1_7_DNC [pin F6] - P1_8_DNC [pin F5] - P1_9_DNC [pin F4] - P2_0 [pin D3] - P2_1 [pin D4] - P2_10 [pin D5] - P2_11_TEST [pin D6] - P2_2 [pin C4] - P2_3 [pin C5] - P2_4 [pin D1] - P2_5 [pin D2] - P2_6_LED0 [pin B7] - P2_7_LED1 [pin C8] - P2_8_LED2 [pin E8] - P2_9 [pin E4] - RESET [pin F1] - SOCN [pin L2] - SOCP [pin L3] - SWCLK [pin K7] - SWDIO [pin K6] - USB_DM [pin M6] - USB_DP [pin M7] - VBAT [pin M3] - VBUS_CHARGE [pin M4] - VDD_1V8 [pin K1] - VDD_3V3 [pin L1] - VDD_USB [pin L8] - VDDIO_0 [pin J8] - VDDIO_1 [pin H8] - VDDIO_2 [pin F8] - VRF_PA2 [pin B6] - VSUPPLY [pin M1] ### U10 — [BQ24074RGTT](https://www.flux.ai/lcsc/bq24074rgtt~fpyl.md) - Implementation Details: Standalone single-cell Li-Ion/Li-Polymer linear charger and power-path management IC; 4.2 V battery regulation, 4.4 V OUT regulation, 10.5 V OVP, 1.5 A programmable fast charge/input current limit. - Operating Voltage: IN operating range 4.35–10.2 V for BQ24074; IN withstand/recommended range up to 26 V, abs max 28 V - License: https://creativecommons.org/licenses/by/4.0/ - JLCPCB Part Class: Extended Part - Role: Battery Charger / Power Path - LCSC Part Number: C2861252 - Functional Group: Receiver Power - Manufacturer Part Number: BQ24074RGTT - Datasheet URL: https://www.ti.com/lit/ds/symlink/bq24074.pdf - Package or Case Code: VQFN-16_L3.0-W3.0-P0.50-TL-EP1.7 - Operating Temperature: -40 to 85°C - Package: VQFN-16 RGT (3 mm × 3 mm) with exposed thermal pad - Symbol Style: parametric-v1 - Manufacturer Name: Texas Instruments - Role Details: RX 500mA-class USB charge and system power path sized from Rev A power budget - Part Type: Battery Management ICs **Pins:** - ~{CE} [pin 4] - ~{CHG} [pin 9] - ~{PGOOD} [pin 7] - BAT [pin 2] - BAT [pin 3] - EN1 [pin 6] - EN2 [pin 5] - EP [pin 17] - ILIM [pin 12] - IN [pin 13] - ISET [pin 16] - ITERM [pin 15] - OUT [pin 11] - OUT [pin 10] - TMR [pin 14] - TS [pin 1] - VSS [pin 8] ### U11 — [TPS63031DSKR](https://www.flux.ai/adrian95/tps63031dskr~yd3.md) - Manufacturer Name: Texas Instruments - Manufacturer Part Number: TPS63031DSKR - Role: Power Conversion - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps63030.pdf - Functional Group: Receiver Power - Part Type: Integrated Circuit - Role Details: RX fixed 3.3V buck-boost rail; replaces AP2112K LDO direct-from-1S strategy - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - EN [pin 6] - EP [pin 11] - FB [pin 10] - GND [pin 9] - L1 [pin 4] - L2 [pin 2] - PGND [pin 3] - PS/SYNC [pin 7] - VIN [pin 5] - VINA [pin 8] - VOUT [pin 1] ### U12 — [MAX17048G+T10](https://www.flux.ai/lcsc/max17048gplust10~jvyd.md) - Exclude from Pick & Place: true - Symbol Style: parametric-v1 - Datasheet URL: https://www.analog.com/media/en/technical-documentation/data-sheets/MAX17048-MAX17049.pdf - Part Type: Battery Management ICs - Role Details: OPTIONAL/DNP: RX fuel gauge footprint retained; populate only if RF firmware/UI will read battery SOC over I2C - Functional Group: Receiver Power - JLCPCB Part Class: Extended Part - Role: Fuel Gauge - Manufacturer Name: MAXIM - LCSC Part Number: C2682616 - Manufacturer Part Number: MAX17048G+T10 - Package or Case Code: DFN-8_L2.0-W2.0-P0.50-BL-EP **Pins:** - ~{ALRT} [pin 5] - CELL [pin 2] - CTG [pin 1] - EP [pin 9] - GND [pin 4] - QSTRT [pin 6] - SCL [pin 7] - SDA [pin 8] - VDD [pin 3] ### U13 — [TPS61023DRLR](https://www.flux.ai/lcsc/tps61023drlr~qygu.md) - LCSC Part Number: C919459 - Manufacturer Part Number: TPS61023DRLR - Max Input Voltage: 500mV~5.5V - Max Output Voltage: 2.2~5.5V - License: https://creativecommons.org/licenses/by/4.0/ - Frequency: 1MHz - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps61023.pdf?HQS=dis-dk-null-digikeymode-dsf-pf-null-wwe&ts=1780366470639&ref_url=https%253A%252F%252Fwww.icbanq.com%252F - JLCPCB Part Class: Extended Part - Role Details: TX +5V boost replacing TPS65131 ±5V split rail; powers AD8421 front end only - Role: Power Conversion - Package or Case Code: SOT-563_L1.6-W1.2-P0.50-LS1.6-BR - Symbol Style: parametric-v1 - Part Type: DC-DC Converters - Output Current: 3A - Logic Function: Boost type - Functional Group: Transmitter Power - Operating Temperature: -40℃~+125℃@(TJ) - Manufacturer Name: TI(德州仪器) **Pins:** - EN [pin 2] - FB [pin 1] - GND [pin 4] - SW [pin 5] - VIN [pin 3] - VOUT [pin 6] ### U14 — [TPS65131TRGERQ1](https://www.flux.ai/lcsc/tps65131trgerq1~8llk.md) - Role Details: RX ±5V analog rail generator for THAT1646; layout-sensitive switcher, final values from TPS65131 datasheet - Manufacturer Name: TI(德州仪器) - Symbol Style: Parametric - Functional Group: Receiver Power - Manufacturer Part Number: TPS65131TRGERQ1 - Package or Case Code: VQFN-24_L4.0-W4.0-P0.50-BL-EP2.5 - Role: Power Conversion - JLCPCB Part Class: Extended Part - LCSC Part Number: C2070993 - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%253A%252F%252Fwww.ti.com%252Flit%252Fgpn%252Ftps65131-q1 - Part Type: DC-DC Converters **Pins:** - AGND [pin 19] - BSW [pin 7] - CN [pin 18] - CP [pin 21] - ENN [pin 10] - ENP [pin 8] - EP [pin 25] - FBN [pin 16] - FBP [pin 22] - INN [pin 5] - INN [pin 6] - INP [pin 24] - INP [pin 1] - NC [pin 12] - NC [pin 20] - OUTN [pin 13] - OUTN [pin 14] - PGND [pin 2] - PGND [pin 3] - PSN [pin 11] - PSP [pin 9] - VIN [pin 4] - VNEG [pin 15] - VPOS [pin 23] - VREF [pin 17] ### U15 — [OPA333AIDBVR](https://www.flux.ai/jecstronic/opa333aidbvr~7a.md) - Manufacturer Name: Texas Instruments - Role: Voltage Reference - Manufacturer Part Number: OPA333AIDBVR - Part Type: Operational Amplifier (OP-AMP) - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fopa333 - Role Details: Buffers 2.5V mid-reference for AD8421 REF and input bias return - Functional Group: Transmitter Audio **Pins:** - - [pin 4] - + [pin 3] - OUTPUT [pin 1] - V- [pin 2] - V+ [pin 5] ### U2 — [TLV320AIC3204IRHBT](https://www.flux.ai/adrian95/tlv320aic3204irhbt~2eq.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: TX 24-bit 48 kHz-class audio codec; RF digital-audio pin mapping provisional pending Sheerlink integration guide - Manufacturer Part Number: TLV320AIC3204IRHBT - Part Type: Integrated Circuit - Role: Audio Codec - Datasheet URL: https://www.ti.com/lit/ds/symlink/tlv320aic3204.pdf - Manufacturer Name: Texas Instruments - Functional Group: Transmitter Audio **Pins:** - ~RESET [pin 31] - AVDD [pin 24] - AVSS [pin 17] - BCLK [pin 2] - DIN/MFP1 [pin 4] - DOUT/MFP2 [pin 5] - DVDD [pin 29] - DVSS [pin 28] - EP [pin 33] - GPIO/MFP5_(32) [pin 32] - HPL [pin 25] - HPR [pin 27] - IN1_L [pin 13] - IN1_R [pin 14] - IN2_L [pin 15] - IN2_R [pin 16] - IN3_L [pin 20] - IN3_R [pin 21] - IOVSS [pin 7] - LDO_SELECT [pin 30] - LDOIN [pin 26] - LOL [pin 22] - LOR [pin 23] - MCLK_(1) [pin 1] - MICBIAS [pin 19] - MISO/MFP4 [pin 11] - OVIDD [pin 6] - REF [pin 18] - SCL/SSZ [pin 9] - SCLK/MFP3 [pin 8] - SDA/MOSI [pin 10] - SPI_SELECT [pin 12] - WCLK [pin 3] ### U3 — [AD8421ARMZ-R7](https://www.flux.ai/lcsc/ad8421armz-r7~en92.md) - Role: Amplification - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Analog-Devices-AD8421ARMZ-R7_C153202.pdf - JLCPCB Part Class: Extended Part - Part Type: Instrumentation OpAmps - Product Info Url: https://lcsc.com/product-detail/New-Arrivals_Analog-Devices-ADI-AD8421ARMZ-R7_C153202.html - Role Details: TX AD8421 single +5V instrumentation mic preamp; ~40dB gain with R6; replaces THAT1580 + ±5V split rails - LCSC Part Number: C153202 - Package or Case Code: MSOP-8_L3.0-W3.0-P0.65-LS5.0-BL - Functional Group: Transmitter Audio - Manufacturer Part Number: AD8421ARMZ-R7 - Manufacturer Name: ADI(亚德诺) **Pins:** - –IN [pin 1] - –VS [pin 5] - +IN [pin 4] - +VS [pin 8] - REF [pin 6] - RG [pin 2] - RG [pin 3] - VOUT [pin 7] ### U4 — [BQ24074RGTT](https://www.flux.ai/lcsc/bq24074rgtt~fpyl.md) - Manufacturer Part Number: BQ24074RGTT - Datasheet URL: https://www.ti.com/lit/ds/symlink/bq24074.pdf - Package: VQFN-16 RGT (3 mm × 3 mm) with exposed thermal pad - Symbol Style: parametric-v1 - Operating Temperature: -40 to 85°C - Role: Battery Charger / Power Path - Package or Case Code: VQFN-16_L3.0-W3.0-P0.50-TL-EP1.7 - Functional Group: Transmitter Power - Manufacturer Name: Texas Instruments - Role Details: TX 500mA-class USB charge and system power path sized from Rev A power budget - Part Type: Battery Management ICs - Operating Voltage: IN operating range 4.35–10.2 V for BQ24074; IN withstand/recommended range up to 26 V, abs max 28 V - Implementation Details: Standalone single-cell Li-Ion/Li-Polymer linear charger and power-path management IC; 4.2 V battery regulation, 4.4 V OUT regulation, 10.5 V OVP, 1.5 A programmable fast charge/input current limit. - JLCPCB Part Class: Extended Part - License: https://creativecommons.org/licenses/by/4.0/ - LCSC Part Number: C2861252 **Pins:** - ~{CE} [pin 4] - ~{CHG} [pin 9] - ~{PGOOD} [pin 7] - BAT [pin 2] - BAT [pin 3] - EN1 [pin 6] - EN2 [pin 5] - EP [pin 17] - ILIM [pin 12] - IN [pin 13] - ISET [pin 16] - ITERM [pin 15] - OUT [pin 11] - OUT [pin 10] - TMR [pin 14] - TS [pin 1] - VSS [pin 8] ### U5 — [TPS63031DSKR](https://www.flux.ai/adrian95/tps63031dskr~yd3.md) - Role: Power Conversion - Part Type: Integrated Circuit - Role Details: TX fixed 3.3V buck-boost rail; replaces AP2112K LDO direct-from-1S strategy - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments - Functional Group: Transmitter Power - Manufacturer Part Number: TPS63031DSKR - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps63030.pdf **Pins:** - EN [pin 6] - EP [pin 11] - FB [pin 10] - GND [pin 9] - L1 [pin 4] - L2 [pin 2] - PGND [pin 3] - PS/SYNC [pin 7] - VIN [pin 5] - VINA [pin 8] - VOUT [pin 1] ### U6 — [MAX17048G+T10](https://www.flux.ai/lcsc/max17048gplust10~jvyd.md) - Part Type: Battery Management ICs - Role Details: OPTIONAL/DNP: TX fuel gauge footprint retained; populate only if RF firmware/UI will read battery SOC over I2C - Datasheet URL: https://www.analog.com/media/en/technical-documentation/data-sheets/MAX17048-MAX17049.pdf - Role: Fuel Gauge - Exclude from Pick & Place: true - Symbol Style: parametric-v1 - LCSC Part Number: C2682616 - Package or Case Code: DFN-8_L2.0-W2.0-P0.50-BL-EP - Manufacturer Part Number: MAX17048G+T10 - Manufacturer Name: MAXIM - JLCPCB Part Class: Extended Part - Functional Group: Transmitter Power **Pins:** - ~{ALRT} [pin 5] - CELL [pin 2] - CTG [pin 1] - EP [pin 9] - GND [pin 4] - QSTRT [pin 6] - SCL [pin 7] - SDA [pin 8] - VDD [pin 3] ### U7 — RTX1090R1 - Functional Group: Receiver RF - Role: RF Module - Role Details: RX RTX1090R1 DECT module; Prototype Rev A provisional footprint and interface mapping from public datasheet - Manufacturer Name: RTX A/S - Package or Case Code: Module - Mount: Base - Datasheet URL: https://device.report/m/9e18164f533fe723c5b8a2031b4405f6c0b2075a93c2c334a32e62aee139802f.pdf - Manufacturer Part Number: RTX1090R1 - Frequency: 1.9GHz - Part Type: Integrated Circuits **Pins:** - ANT1 [pin A1] - ANT2 [pin A3] - GND [pin C7] - GND [pin L4] - GND [pin K8] - GND [pin C1] - GND [pin C6] - GND [pin B2] - GND [pin J6] - GND [pin G8] - GND [pin H4] - GND [pin G5] - GND [pin C2] - GND [pin G1] - GND [pin F3] - GND [pin J1] - GND [pin E5] - GND [pin B5] - GND [pin D8] - GND [pin E1] - GND [pin B8] - GND [pin K2] - GND [pin C3] - GND [pin B4] - GND [pin K5] - GND [pin M2] - GND [pin M5] - GND [pin L6] - GND [pin M8] - GND [pin G6] - P0_0_UART_TX_BOOT [pin J3] - P0_1_UART_RX [pin J2] - P0_10 [pin G4] - P0_11_BXTAL [pin H1] - P0_12_SPDIF_IN [pin G2] - P0_13_ADC1_COMP [pin F2] - P0_14_ADC0_NTC [pin E3] - P0_15_PON [pin E2] - P0_2_DEBUG_WAIT [pin H3] - P0_3 [pin H2] - P0_4_32K_XTAL_OUT [pin K3] - P0_5 [pin G3] - P0_6_32K_XTAL1 [pin L5] - P0_7_32K_XTAL2 [pin L7] - P0_8 [pin K4] - P0_9 [pin J4] - P1_0_QSPI2_IO0 [pin J7] - P1_1_QSPI2_SCK [pin H7] - P1_10 [pin H6] - P1_11 [pin H5] - P1_12 [pin J5] - P1_2_QSPI2_IO3 [pin G7] - P1_3_QSPI2_CS [pin F7] - P1_4_QSPI2_IO1 [pin E7] - P1_5_QSPI2_IO2 [pin D7] - P1_6 [pin E6] - P1_7_DNC [pin F6] - P1_8_DNC [pin F5] - P1_9_DNC [pin F4] - P2_0 [pin D3] - P2_1 [pin D4] - P2_10 [pin D5] - P2_11_TEST [pin D6] - P2_2 [pin C4] - P2_3 [pin C5] - P2_4 [pin D1] - P2_5 [pin D2] - P2_6_LED0 [pin B7] - P2_7_LED1 [pin C8] - P2_8_LED2 [pin E8] - P2_9 [pin E4] - RESET [pin F1] - SOCN [pin L2] - SOCP [pin L3] - SWCLK [pin K7] - SWDIO [pin K6] - USB_DM [pin M6] - USB_DP [pin M7] - VBAT [pin M3] - VBUS_CHARGE [pin M4] - VDD_1V8 [pin K1] - VDD_3V3 [pin L1] - VDD_USB [pin L8] - VDDIO_0 [pin J8] - VDDIO_1 [pin H8] - VDDIO_2 [pin F8] - VRF_PA2 [pin B6] - VSUPPLY [pin M1] ### U8 — [TLV320AIC3204IRHBT](https://www.flux.ai/adrian95/tlv320aic3204irhbt~2eq.md) - Role: Audio Codec - Role Details: RX 24-bit 48 kHz-class audio codec; RF digital-audio pin mapping provisional pending Sheerlink integration guide - Manufacturer Name: Texas Instruments - Datasheet URL: https://www.ti.com/lit/ds/symlink/tlv320aic3204.pdf - Manufacturer Part Number: TLV320AIC3204IRHBT - License: https://creativecommons.org/licenses/by/4.0/ - Functional Group: Receiver Audio - Part Type: Integrated Circuit **Pins:** - ~RESET [pin 31] - AVDD [pin 24] - AVSS [pin 17] - BCLK [pin 2] - DIN/MFP1 [pin 4] - DOUT/MFP2 [pin 5] - DVDD [pin 29] - DVSS [pin 28] - EP [pin 33] - GPIO/MFP5_(32) [pin 32] - HPL [pin 25] - HPR [pin 27] - IN1_L [pin 13] - IN1_R [pin 14] - IN2_L [pin 15] - IN2_R [pin 16] - IN3_L [pin 20] - IN3_R [pin 21] - IOVSS [pin 7] - LDO_SELECT [pin 30] - LDOIN [pin 26] - LOL [pin 22] - LOR [pin 23] - MCLK_(1) [pin 1] - MICBIAS [pin 19] - MISO/MFP4 [pin 11] - OVIDD [pin 6] - REF [pin 18] - SCL/SSZ [pin 9] - SCLK/MFP3 [pin 8] - SDA/MOSI [pin 10] - SPI_SELECT [pin 12] - WCLK [pin 3] ### U9 — [THAT1646S08-U](https://www.flux.ai/adrian95/that1646s08-u~llx.md) - License: https://creativecommons.org/licenses/by/4.0/ - Functional Group: Receiver Audio - Role: Balanced Line Driver - Part Type: Integrated Circuit - Datasheet URL: https://www.mouser.com/datasheet/2/407/THAT_1606_1646_Datasheet-532277.pdf - Role Details: RX true balanced XLR output driver; 5V boost rail used for Rev A, final headroom TBD - Manufacturer Part Number: THAT1646S08-U - Manufacturer Name: THAT Corporation **Pins:** - GND [pin 3] - IN [pin 4] - OUT- [pin 1] - OUT+ [pin 8] - SNS- [pin 2] - SNS+ [pin 7] - VCC [pin 6] - VEE [pin 5] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/timbochu/munkrofon~lp](https://www.flux.ai/timbochu/munkrofon~lp).* --- *Generated from [https://www.flux.ai/timbochu/munkrofon~lp](https://www.flux.ai/timbochu/munkrofon~lp)*