Home
Design & development

BQ25155EVM

BQ25155 evaluation module for 500-mA, 1-cell, linear charger with 10-nA IQ and power path

Order now

BQ25155EVM

Order now

Overview

The BQ25155EVM evaluation module (EVM) is an integrated battery charge management IC that integrates the most common functions for wearable 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, regulated PMID output, 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.

Features
  • Configurable battery charger
  • Multi point ADC to measure seven 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
BQ25155 — 500-mA 1-cell linear charger with 10-nA IQ, power path, regulated system voltage, 16-bit ADC and LDO
Download View video with transcript Video

Order & start development

Explore packages of hardware, software and documentation

HARDWARE AND SOFTWARE PACKAGE

Evaluate BQ25155 highly integrated linear battery charger for wearable and hearable applications

View package

Evaluate BQ25155 highly integrated linear battery charger for wearable and hearable applications

close
Start evaluating with the required hardware, communication interface and software that you will need to evaluate the BQ25155EVM.
Evaluation board

BQ25155EVM — BQ25155 evaluation module for 500-mA, 1-cell, linear charger with 10-nA IQ and power path

Required
Why do I need this? This board allows you to start evaluating the BQ25155.
Supported products & hardware
In stock
Limit:
Out of stock on TI.com
Not available on TI.com

BQ25155EVM — BQ25155 evaluation module for 500-mA, 1-cell, linear charger with 10-nA IQ and power path

close
Version: null
Release date:
open-in-new

View all versions

Interface adapter

EV2400 — USB-Based PC Interface Board for Battery Fuel (Gas) Gauge Evaluation Module

Required
Why do I need this? This is a communication interface board that you will need to configure the BQ25155 registers from a windows PC.
Supported products & hardware

Supported products & hardware

Hardware development
Evaluation board
BQ25630EVM — BQ25630 evaluation module BQ25756EVM — BQ25756 evaluation module for 1- to 14-cell bidirectional buck-boost battery charge controller BQ76920EVM — BQ76920 evaluation board with BQ78350  BQ76930EVM — BQ76930 evaluation board with BQ78350 BQ76940EVM — BQ76940 evaluation board with BQ78350
In stock
Limit:
Out of stock on TI.com
Not available on TI.com

EV2400 — USB-Based PC Interface Board for Battery Fuel (Gas) Gauge Evaluation Module

close
Version: null
Release date:
open-in-new

View all versions

Hardware development
Evaluation board
BQ25630EVM — BQ25630 evaluation module BQ25756EVM — BQ25756 evaluation module for 1- to 14-cell bidirectional buck-boost battery charge controller BQ76920EVM — BQ76920 evaluation board with BQ78350  BQ76930EVM — BQ76930 evaluation board with BQ78350 BQ76940EVM — BQ76940 evaluation board with BQ78350
Application software & framework

BQSTUDIO-TEST — Battery Management Studio (bqStudio) Software – Beta version downloads

Required
Why do I need this? This GUI software allows you to set the registers for your device.
Supported products & hardware

Supported products & hardware

Products
Battery charger ICs
BQ24800 — SMBus 1-4 cell Buck battery charge controller to support hybrid power boost and battery boost mode BQ25720 — SMBus 1- to 4-cell NVDC buck-boost battery charge controller with power path and USB-C® PD OTG BQ25723 — I²C 1-4 cell NVDC buck-boost battery charge controller with power path and USB-C® PD OTG BQ25731 — I2C 1-5 cell NVDC buck-boost battery charge controller with USB type-C PD support BQ25756 — Stand-alone or I²C-controlled 70-V bidirectional buck-boost charge controller with MPPT BQ25790 — Integrated, NVDC, 5-A 1-cell to 4-cell switch-mode buck-boost battery charger BQ25792 — I2C controlled, 5-A, 1-4 cell buck-boost charger with dual-input selector and USB PD 3.0 OTG output
Battery fuel gauges
BQ27220 — Single cell pack/system-side CEDV battery fuel (gas) gauge w/pre-programmed chemistry profiles BQ27320 — Single cell pack/System-side CEDV battery fuel (gas) gauge BQ27425-G1 — System-side Impedance Track™; fuel gauge with direct battery connection | gas gauge battery BQ27425-G2A — System-side Impedance Track™; fuel gauge for LiCoO2 battery BQ27425-G2B — System-side Impedance Track™; fuel gauge LiMn2O4 battery BQ27427 — Single-cell battery fuel gauge with pre-programmed chemistry and integrated sense resistor BQ27520-G4 — System side Impedance Track™ fuel gauge with integrated LDO. BQ27530-G1 — System-side Impedance-Track fuel (gas) gauge with direct battery connection BQ27531-G1 — Battery management unit Impedance Track™ fuel (gas) gauge for bq2419x charger controller BQ27532-G1 — Battery management unit Impedance Track™ fuel gauge for bq2425x charger BQ27545-G1 — Single cell, pack side, Impedance Track™ fuel gauge BQ27546-G1 — Single cell Impedance Track™ pack side fuel gauge with DSBGA package BQ27621-G1 — System-side fuel gauge with Dynamic Voltage Correlation, battery gas gauge BQ27741-G1 — Pack-side Impedance Track™(tm) fuel (gas) gauge with integrated protector BQ27742-G1 — Single cell Li-ion battery fuel gauge with integrated protection | battery gas gauge BQ27Z561 — Impedance Track™ integrated circuit gas gauge solution for 1-series BQ27Z746 — Pack-side, single-cell Impedance Track™ technology fuel gauge with integrated protector BQ28Z610 — Battery fuel gauge with integrated protector for 1-2 series packs BQ34110 — Multi-chemistry high-cell Count battery fuel gauge with integrated rarely discharged module BQ34210-Q1 — Automotive Qualified Single cell system-side CEDV fuel gauge BQ34Z100-G1 — Multi-chemistry Impedance Track™ standalone fuel gauge | battery gas gauge BQ35100 — Battery fuel gauge for non-rechargeable batteries (lithium primary) and end-of-service monitor BQ4050 — 1-4 series CEDV battery fuel (gas) gauge BQ40Z50 — 1-4 series Li-ion battery pack manager | battery fuel (gas) gauge BQ40Z50-R1 — 1-4 series Li-ion battery pack manager supporting Turbo Mode 1.0 BQ40Z50-R2 — 1-4 series Li-ion battery pack manager supporting Turbo Mode 2.0 BQ40Z60 — Complete multi-cell battery manager | battery fuel (gas) gauge BQ40Z80 — 2-s to 6-s battery pack manager with Impedance Track™ gas gauging BQ78350 — Companion CEDV Fuel Gauge Battery Management Controller for bq76940 Monitor Family BQ78350-R1 — CEDV li-ion gas gauge and battery management controller BQ78Z100 — Impedance Track™ battery fuel (gas) gauge for 1-series to 2-series
Battery monitors & balancers
BQ76905 — Low-power monitor and protector for 2S to 5S with high accuracy cell voltage measurement BQ76907 — Low-power monitor and protector for 2S to 7S with high accuracy cell voltage measurement BQ769142 — 3-s to 14-s high-accuracy battery monitor and protector for Li-ion, Li-polymer and LiFePO4 battery BQ76942 — 3-series to 10-series multicell battery monitor and protector BQ76952 — 3-s to 16-s high-accuracy battery monitor and protector for Li-ion, Li-polymer and LiFePO4 BQ76972 — 3s-to-16s high-accuracy battery monitor and protector for Li-ion, Li-poly and LiFePO4
Battery protectors
BQ77307 — Low-power protector for 2S to 7S with high accuracy cell voltage measurement
Hardware development
Evaluation board
MKST-3P-ALT-EV2300 — MKS Technology alternative for EV2300 communications transceiver
Download options

BQSTUDIO-TEST — Battery Management Studio (bqStudio) Software – Beta version downloads

close
Version: 1.3.128
Release date: Aug 6, 2025
open-in-new

View all versions

download

GASGAUGECHEM-SW Latest chemistry database for Battery Management Studio  — 0 K

Download Chemistry zip file for bqStudio & use bqStudio Help menu to import the latest chemistries.

lock

BatteryManagementStudio-1.3.128_Build1a-windows-installer.exe  — 209948 K

SHA-256 checksum
Products
Battery charger ICs
BQ24800 — SMBus 1-4 cell Buck battery charge controller to support hybrid power boost and battery boost mode BQ25720 — SMBus 1- to 4-cell NVDC buck-boost battery charge controller with power path and USB-C® PD OTG BQ25723 — I²C 1-4 cell NVDC buck-boost battery charge controller with power path and USB-C® PD OTG BQ25731 — I2C 1-5 cell NVDC buck-boost battery charge controller with USB type-C PD support BQ25756 — Stand-alone or I²C-controlled 70-V bidirectional buck-boost charge controller with MPPT BQ25790 — Integrated, NVDC, 5-A 1-cell to 4-cell switch-mode buck-boost battery charger BQ25792 — I2C controlled, 5-A, 1-4 cell buck-boost charger with dual-input selector and USB PD 3.0 OTG output
Battery fuel gauges
BQ27220 — Single cell pack/system-side CEDV battery fuel (gas) gauge w/pre-programmed chemistry profiles BQ27320 — Single cell pack/System-side CEDV battery fuel (gas) gauge BQ27425-G1 — System-side Impedance Track™; fuel gauge with direct battery connection | gas gauge battery BQ27425-G2A — System-side Impedance Track™; fuel gauge for LiCoO2 battery BQ27425-G2B — System-side Impedance Track™; fuel gauge LiMn2O4 battery BQ27427 — Single-cell battery fuel gauge with pre-programmed chemistry and integrated sense resistor BQ27520-G4 — System side Impedance Track™ fuel gauge with integrated LDO. BQ27530-G1 — System-side Impedance-Track fuel (gas) gauge with direct battery connection BQ27531-G1 — Battery management unit Impedance Track™ fuel (gas) gauge for bq2419x charger controller BQ27532-G1 — Battery management unit Impedance Track™ fuel gauge for bq2425x charger BQ27545-G1 — Single cell, pack side, Impedance Track™ fuel gauge BQ27546-G1 — Single cell Impedance Track™ pack side fuel gauge with DSBGA package BQ27621-G1 — System-side fuel gauge with Dynamic Voltage Correlation, battery gas gauge BQ27741-G1 — Pack-side Impedance Track™(tm) fuel (gas) gauge with integrated protector BQ27742-G1 — Single cell Li-ion battery fuel gauge with integrated protection | battery gas gauge BQ27Z561 — Impedance Track™ integrated circuit gas gauge solution for 1-series BQ27Z746 — Pack-side, single-cell Impedance Track™ technology fuel gauge with integrated protector BQ28Z610 — Battery fuel gauge with integrated protector for 1-2 series packs BQ34110 — Multi-chemistry high-cell Count battery fuel gauge with integrated rarely discharged module BQ34210-Q1 — Automotive Qualified Single cell system-side CEDV fuel gauge BQ34Z100-G1 — Multi-chemistry Impedance Track™ standalone fuel gauge | battery gas gauge BQ35100 — Battery fuel gauge for non-rechargeable batteries (lithium primary) and end-of-service monitor BQ4050 — 1-4 series CEDV battery fuel (gas) gauge BQ40Z50 — 1-4 series Li-ion battery pack manager | battery fuel (gas) gauge BQ40Z50-R1 — 1-4 series Li-ion battery pack manager supporting Turbo Mode 1.0 BQ40Z50-R2 — 1-4 series Li-ion battery pack manager supporting Turbo Mode 2.0 BQ40Z60 — Complete multi-cell battery manager | battery fuel (gas) gauge BQ40Z80 — 2-s to 6-s battery pack manager with Impedance Track™ gas gauging BQ78350 — Companion CEDV Fuel Gauge Battery Management Controller for bq76940 Monitor Family BQ78350-R1 — CEDV li-ion gas gauge and battery management controller BQ78Z100 — Impedance Track™ battery fuel (gas) gauge for 1-series to 2-series
Battery monitors & balancers
BQ76905 — Low-power monitor and protector for 2S to 5S with high accuracy cell voltage measurement BQ76907 — Low-power monitor and protector for 2S to 7S with high accuracy cell voltage measurement BQ769142 — 3-s to 14-s high-accuracy battery monitor and protector for Li-ion, Li-polymer and LiFePO4 battery BQ76942 — 3-series to 10-series multicell battery monitor and protector BQ76952 — 3-s to 16-s high-accuracy battery monitor and protector for Li-ion, Li-polymer and LiFePO4 BQ76972 — 3s-to-16s high-accuracy battery monitor and protector for Li-ion, Li-poly and LiFePO4
Battery protectors
BQ77307 — Low-power protector for 2S to 7S with high accuracy cell voltage measurement
Hardware development
Evaluation board
MKST-3P-ALT-EV2300 — MKS Technology alternative for EV2300 communications transceiver

Documentation

open-in-new

Documentation Overview

Battery Management Studio (bqStudio) Documentation

Release Information

Battery Management Studio (bqStudio) offers a full suite of robust tools to assist with the process of evaluating, designing with, configuring, testing, or otherwise utilizing TI Battery management products. This includes features that provide full access to registers and data memory including support for real-time watching, graphing, and logging, an easy interface to send commands, direct low-level communication and I/O, as well as automated and guided support for configuration, calibration, performing a learning cycle, and generating useful files for taking the device to production.

 

  • This version of bqStudio supports the latest chemistry updates.
  • Operating systems: Windows 7 (64 bit), Windows 8 (64 bit), Windows 10 (64 bit)

 

Older products such as bq20xxx and bq30xxx are not supported in bqStudio. Download the specific evaluation software from the appropriate product page.

Requires: EV2400 or MKST-3P-ALT-EV2300

What's new

  • See Release notes
Documentation & related resources
Application note BQ2515x Setup Guide
Support software BQ25155 Setup Guide Tool

Order this hardware only

Evaluation board

BQ25155EVM — BQ25155 evaluation module for 500-mA, 1-cell, linear charger with 10-nA IQ and power path

Supported products & hardware
In stock
Limit:
Out of stock on TI.com
Not available on TI.com

BQ25155EVM — BQ25155 evaluation module for 500-mA, 1-cell, linear charger with 10-nA IQ and power path

close
Version: null
Release date:
open-in-new

View all versions

TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

star
= Top documentation selected by TI
No results found. Please clear your search and try again.
View all 5
Type Title Date
* EVM User's guide BQ2515xEVM User's Guide (Rev. A) Jun 13, 2019
Certificate BQ25155EVM EU Declaration of Conformity (DoC) Nov 1, 2019
Application note Battery Discharge Implementation in Warm or Hot Temperatures Jul 2, 2019
Application note BQ2515x Setup Guide Jun 18, 2019
User guide Small Form Factor Design for BQ25150 Jul 24, 2018

Related design resources

Hardware development

EVALUATION BOARD
BQ25150EVM — Low IQ advanced powerpath charge management solution for wearables and hearables evaluation module
INTERFACE ADAPTER
EV2400 — USB-Based PC Interface Board for Battery Fuel (Gas) Gauge Evaluation Module

Support & training

TI E2E™ forums with technical support from TI engineers

View all forum topics

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support.