xihe
PolygonHJ
Xihe is a self-sustaining, ultra-low-power sensing platform designed for long-lifetime deployments with zero maintenance.
Components (22)
| Reference | Value | Description |
|---|---|---|
| U1 | XIAO-NRF54L15 | XIAO NRF54L15 |
| U2 | BQ25173DSG | 800-mA Linear Charger for 1- to 4-Cell Supercapacitor, input 3 to 18v, WSON-8 |
| U3 | BQ25570 | Nano Power Boost Charger and Buck Converter for Energy Harvester Powered Applications, QFN-20 |
| U4 | AXP1T34 | Dual supply unidirectional translating buffer |
| C1,C5 | 4.7u | |
| C2,C4,C8 | 1u | |
| C3,C7 | 10n | |
| C6,L1 | 22u | Inductor 22u NRS4012 |
| Cb1 | 470m | Capacitor 470mF through-hole |
| J1 | MOLEX_SlimStack_505550-1020 | Molex SlimStack 02x03 |
| J2 | Conn_01x02_Pin | Right angle 2.54mm connector |
| L2 | 10u | Inductor 10u |
| R1 | 3k | |
| R2 | 620k | |
| R3,R4 | 120k | |
| ROK1 | 4.7M | |
| ROK2 | 5.1M | |
| ROK3 | 3.0M | |
| ROUT1,ROUT2 | 6.49M | |
| ROV1 | 4.22M | |
| ROV2 | 8.2M | |
| SC1 | Solar_Cell | Single solar cell |