Low IQ advanced powerpath charge management solution for wearables and hearables evaluation module


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The bq25150EVM evaluation module is an integrated battery charge management IC that integrates the most common functions for wearables devices: Linear charger, regulated output, load switch, manual reset with timer, ADC, ship mode and advanced power path. The low quiescent current during operation and shutdown enables maximum battery life. The device supports charge currents from 1.25 mA to 500 mA. The input current limit, charge current, LDO output voltage, and other parameters are programmable through the I2C interface. The device also has a multi-point ADC to measure different parameters on the charger and also includes an optional ADC input. The battery is charged using a standard Li-Ion charge profile with three phases: precharge, constant current and constant voltage.

  • Configurable battery charger
  • Multi Point ADC to measure 7 channels
  • Advanced power path to power system through either battery or adapter
  • Programmable hard and soft reset
  • 0.5% accurate battery voltage regulation
  • Wake timers for push button
Battery charger ICs
BQ25150 I2C controlled 500-mA linear battery charger with Power Path,  Low Iq, integrated LDO and 16-bit ADC BQ25155 500-mA 1-cell linear charger with 10-nA IQ, power path, regulated system voltage, 16-bit ADC and LDO
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Evaluate BQ25150 highly integrated linear battery charger for wearable and hearable applications

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BQ25150EVM — Low IQ advanced powerpath charge management solution for wearables and hearables evaluation module

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Type Title Date
* EVM User's guide BQ2515xEVM User's Guide (Rev. A) 13 Jun 2019
Data sheet BQ25155 I2C Controlled 1-Cell 500-mA Linear Battery Charger With 10-nA Ship Mode, Power Path With Regulated System (PMID) Voltage, ADC, and LDO datasheet (Rev. B) PDF | HTML 01 Aug 2023
Data sheet BQ25150 I2C Controlled 1-Cell 500-mA Linear Charger with 10-nA Ship Mode, Advanced Power Path Management and Control, ADC, and LDO datasheet (Rev. C) PDF | HTML 26 Apr 2023
Application note Battery Discharge Implementation in Warm or Hot Temperatures 02 Jul 2019
Application note BQ2515x Setup Guide 18 Jun 2019
Certificate BQ25150EVM EU Declaration of Conformity (DoC) 02 Jan 2019
User guide Small Form Factor Design for BQ25150 24 Jul 2018

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