stm32_bluet_pill
brendose
This project is a 1.8V STM32WB55 Bluetooth Module with battery charging. The purpose of this project is to provide a development platform for mobile wearable devices.
Components (41)
| Reference | Value | Description |
|---|---|---|
| Q1,Q2 | DMG1012T | 20V Vds, 0.63 Id, N-Channel MOSFET with ESD protection, SOT-523 |
| U1 | STM32WB55RGVx | STMicroelectronics Arm Cortex-M4 MCU, 1024KB flash, 256KB RAM, 64 MHz, 1.71-3.6V, 49 GPIO, VFQFPN68 |
| U3 | AT25SL321-U | 32-Mbit, 1.7V 2.5V Minimum SPI Serial Flash Memory with Dual-I/O and Quad-I/O Support, WLCSP-8 |
| U4 | BQ25185 | 1-Cell, 1-A Standalone Linear Battery Charger with Power Path, Factory Mode, and Battery Tracking VINDPM |
| U5 | TPS62746 | TPS62746 300/400 mA High Efficiency Buck Converter with Ultra-low Quiescent Current and VIN Switch |
| U6 | USBLC6-2P6 | Very low capacitance ESD protection diode, 2 data-line, SOT-666 |
| U8 | TPS7A0533PDBV | 200-mA Ultra-Low-Iq LDO, 3.3V, SOT-23-5 |
| AE1 | PCB MIFA | Antenna with extra pin for shielding |
| C1 | 10N | Unpolarized capacitor, small symbol |
| C2,C3 | 0.7P | Unpolarized capacitor, small symbol |
| C4-C10,C13,C17,C19,C21,C25,C28,C30 | 100N | Unpolarized capacitor, small symbol |
| C11,C12,C15 | 4.7U | Unpolarized capacitor, small symbol |
| C14 | 100P | Unpolarized capacitor, small symbol |
| C16,C22,C33 | 1.0U | Unpolarized capacitor, small symbol |
| C18,C34 | 7P | Unpolarized capacitor, small symbol |
| C20 | 2.2U 35V | Unpolarized capacitor, small symbol |
| C23,C29 | 1.0U 35V | Unpolarized capacitor, small symbol |
| C24 | 10U 10V | Unpolarized capacitor, small symbol |
| C26 | 10U | Unpolarized capacitor, small symbol |
| C27 | 1.0U 16V | Unpolarized capacitor, small symbol |
| C31,C32 | 8P | Unpolarized capacitor, small symbol |
| D1,D4,D5 | LED | Light emitting diode |
| D2 | RB081LAM-20TR | Diode |
| D3 | VSKY05301006-G4-08 | Schottky diode |
| J3 | PH_S3B-PH-K | Generic connector, single row, 01x03, script generated |
| J5 | DX07S016JA1R1500 | USB 2.0-only Type-C Plug connector |
| L1 | 2.2N | Inductor |
| L4 | 2.2U | Inductor |
| R1,R19,R25 | 100K | Resistor |
| R2,R6,R9,R10,R13-R15,R23,R26 | 0R | Resistor |
| R3,R22 | 470R | Resistor |
| R4,R5,R17 | 10K | Resistor |
| R7,R8 | 680R | Resistor |
| R11 | 2.4K | Resistor |
| R12 | 600R | Resistor |
| R16 | 2.2K | Resistor |
| R18,R24 | 1K | Resistor |
| R20,R21 | 5.1K | Resistor |
| TP1 | MS-156C3 | Subminiature Coaxial Switch testpoint |
| Y1 | ECS-320-8-37CKM | Four pin crystal, GND on pins 2 and 4 |
| Y2 | SC32S-7PF20PPM | Two pin crystal |