# BQ25504 LiFePO4 template ## Description Ultra Low-Power Energy Harvester based on BQ25504 tuned for LiFePO4 battery (VBAT_OV = 3.6V) with terminal block connectors #template #solar ## Project Details - **Owner:** vasy_skral - **Created:** 1/26/2023 - **Last Updated:** 4/17/2023 - **Visibility:** Public - **Copies:** 7 ## Key Components ### + BAT - — [TerminalBlock-01x02P-3.50mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-350mm~mcc.md) - Part Type: Connector **Pins:** - P1 [pin 2] - P2 [pin 1] ### + SOLAR - — [TerminalBlock-01x02P-3.50mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-350mm~mcc.md) - Part Type: Connector **Pins:** - P1 [pin 2] - P2 [pin 1] ### U1 — [BQ25504RGTT](https://www.flux.ai/vasy_skral/bq25504rgtt~9hl.md) - Manufacturer Part Number: BQ25504RGTT - Manufacturer Name: Texas Instruments - Part Type: Integrated Circuit - Datasheet URL: https://www.ti.com/lit/ds/symlink/bq25504.pdf **Pins:** - AVSS [pin 12] - EPAD [pin 17] - LBST [pin 16] - OK_HYST [pin 9] - OK_PROG [pin 10] - OT_PROG [pin 5] - VBAT [pin 14] - VBAT_OK [pin 11] - VBAT_OV [pin 6] - VBAT_UV [pin 8] - VIN_DC [pin 2] - VOC_SAMP [pin 3] - VRDIV [pin 7] - VREF_SAMP [pin 4] - VSS_1 [pin 1] - VSS_13 [pin 13] - VSTOR [pin 15] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/vasy_skral/bq25504-lifepo4-template~abj](https://www.flux.ai/vasy_skral/bq25504-lifepo4-template~abj).* --- *Generated from [https://www.flux.ai/vasy_skral/bq25504-lifepo4-template~abj](https://www.flux.ai/vasy_skral/bq25504-lifepo4-template~abj)*