Schematics and datasheets
Schematics and Board Data
Pinecil V2 mainboard schematic
- Pinecil mainboard schematic ver 2.0 20220608, this is production version schematic
- Pinecil mainboard ver 2.0 PCB Component Placement PDF file
Pinecil V1 mainboard schematic
V1 was only sold until July 2022, and then discontinued for newer V2 model
- Pinecil mainboard schematic ver 1.0 20201120, this is production version schematic
- Pinecil mainboard ver 1.0 PCB Component Placement Top PDF file
- Pinecil mainboard ver 1.0 PCB Component Placement Bottom PDF file
- Pinecil mainboard ver 1.0 PCB Component Placement Top Drawing file
- Pinecil mainboard ver 1.0 PCB Component Placement Bottom Drawing file
Datasheets for Components
Pinecil V2 datasheets
- Power MOSFET Switch: HSM4313, location U13 (Replacement HSM4313).
- LDO Regulator: LP 3986-33, Ultra-low noise, location U5 (Replacement LP 3986-33).
- Buck Converter: TP6841S6 40V, Step-Down, location U8, (Replacement TP6841S6-A).
- USB-C PD Controller: FUSB302MPX, location U1, (Replacement FUSB302MPX)
- Acceleration/Gyroscope: SC7A20 sensor, Silan, location U9 (replacement unknown).
- NTC Temperature Sensor: NTCG163JF103FTDS, location NTC1 (Replacement NTC here). Note that U10 is empty if NTC type thermistor is used.
- Optional Hall Effect Sensor: Si7210-B-00-IV(R) by Silicon Labs, location U14. This is a user add-on and does not come installed on the pcb.
- (How magnets work near Hall Sensor Si7210)
- (Replacement Si7210-B-00-IV, also at Digikey and Mouser)
- Operational Amplifier SGM8557-1AXN5G, SGMicro, Low Noise OP Amp Datasheet, location U11 (replacement unknown).
- Display Screen OLED QUG-9616TSWCG02 datasheet (Replacement QUG-9616TSWCG02 OLED Display).
MCU: Bouffalo Labs, BL-706_QFN48, RISC-V + 2.4 GHz RF SoC
- BL706 Analysis, by Lupyuen, includes datasheet, location U15.
- BL706 datasheet
- BL706 Reference Manual
- SDK and Bouffalo documents
- SMD Resonator for Bluetooth BLE, 32MHZ/12PF-10PPM, SMD2016-4P, location UX1 (Replacement SMD Resonator).
USB-C port:
- possible part, has not been verified: Replacement USB-C port
Pinecil V1 datasheets
- Buck converter: RT7272B 3A Datasheet, Ricktek, Step-Down converter, location U8
- LDO Regulator: LP 3986-33, location U5, (Replacement here).
- MOSFET Switch: CJQ7328 8A datasheet, Chang Jiang.
- Hint: people have replaced V1 mosfet using the better rated one from the newer V2 datasheets (HSM4313 has same footprint and higher rating), see V2 section for MOSFET.
- Acceleration Bosch BMA223 Sensor Datasheet
- Temperature Sensor: Analog Device TMP36 Datasheet, location U10, (possible replacement here).
- Optional Hall Effect Sensor: Si7210-B-00-IV(R) by Silicon Labs, location U14. This is a user add-on and does not come installed on the pcb.
- (How magnets work near Hall Sensor Si7210)
- (One place to buy it, also at Digikey and Mouser)
- OLED Display screen: QUG 9616TSWCG02 Display Module Datasheet
- USB Type-C PD Controller: FUSB302 USB PD Datasheet
- OP Amp information: SGMicro SGM8557-1 Low Noise OP Amp Datasheet (U11)
- Capacitors: possible replacement part for C5, 1uF/50V
- USB-C port: possible part, has not been verified: Replacement
GigaDevice RISC-V SoC data:
Breakout Board Datasheet: LP6498B6F 1.2A Switching Power Regulator
