# BQ25173 (Component) ## Description The BQ25173 is an integrated 800-mA linear charger for 1- to 4-cell supercapacitors. Features • Input voltage up-to 40-V tolerant • Automatic Sleep mode for low power consumption – 350-nA leakage current – 2-µA input leakage current when charge disabled • Supports 1- to 4-cell supercapacitor • Supports charging supercapacitor from 0 V • External resistor programmable operation – FB pin to adjust supercapacitor regulation voltage – ISET to set charge current from 10 mA to 800 mA • High accuracy – ±1% charge voltage accuracy – ±10% charge current accuracy • Charging features – CE pin for charging function control – Open-drain output for status and fault indication – Open-drain output for power-good indication • Integrated fault protection – 18-V IN overvoltage protection – 1000-mA overcurrent protection – 125°C thermal regulation; 150°C thermal shutdown protection – OUT short-circuit protection – ISET pin short/open protection WSON-8 2.0mmx2.0mm ## Component Details - **Owner:** michaelcox - **Created:** 1/13/2025 - **Last Updated:** 1/13/2025 - **Visibility:** Public - **Package or Case Code:** 8-WSON - **Datasheet URL:** https://www.ti.com/lit/ds/symlink/bq25173.pdf?ts=1736772873285 - **Part Type:** Integrated Circuit - **Manufacturer Part Number:** BQ25173 - **Manufacturer Name:** Texas Instruments - **Used in:** 23 projects - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Texas Instruments - **MPN:** BQ25173 - **Package / Case Code:** 10-WSON - **Pin Count:** 8 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 1 | Vin | | | 2 | ISET | | | 3 | /CE | | | 4 | GND | | | 8 | Vout | | | 7 | FB | | | 6 | /PG | | | 5 | STAT | | --- *Generated from [https://www.flux.ai/michaelcox/bq25173~wl](https://www.flux.ai/michaelcox/bq25173~wl)*