xihe
PolygonHJ
Xihe is a self-sustaining, ultra-low-power sensing platform designed for long-lifetime deployments with zero maintenance.
Components (37)
| Reference | Value | Description |
|---|---|---|
| U1 | BQ25173DSG | 800-mA Linear Charger for 1- to 4-Cell Supercapacitor, input 3 to 18v, WSON-8 |
| U2 | RP2040 | A microcontroller by Raspberry Pi |
| U3,U9 | TPS22917DBV | 1V to 5.5V, 2A, 80mΩ Ultra-Low Leakage Load Switch, SOT23-6 |
| U4 | W25Q64JVXGIM | 3V 64M-BIT SERIAL FLASH MEMORY WITH DUAL, QUAD SPI |
| U6 | BQ25570 | Nano Power Boost Charger and Buck Converter for Energy Harvester Powered Applications, QFN-20 |
| U8 | LP2985-3.3 | 150mA 16V Low-noise Low-dropout Regulator With Shutdown, 3.3V output voltage, SOT-23-5 |
| U10 |