Texas Instruments BQ27520-G4 System-Side Impedance Track Battery Monitor Datasheet

This datasheet describes the Texas Instruments BQ27520-G4, a system-side lithium-ion battery monitor featuring integrated LDO and Impedance Track technology…

Brand: Texas Instruments
Document type: Datasheet
Language: Chinese
Pages: 37
File format: PDF
File size: 2 MB
Published: 21 October, 2026
Updated: 21 October, 2026
MD5 checksum: D0B103BA8EB01FDE6DD9D9222AC423A7
PDF: Texas Instruments BQ27520-G4 System-Side Impedance Track Battery Monitor Datasheet PDF

About this manual

The BQ27520-G4 is a system-side lithium-ion battery monitor designed to be located on the system motherboard. It integrates a 2.5VDC LDO and supports single-cell lithium-ion battery packs with capacities up to 14,500mAh. The device utilizes patented Impedance Track™ technology to adjust for aging, self-discharge, temperature, and rate changes, providing accurate reports on remaining capacity, state of charge (SOC), time-to-empty, voltage, and operating status. This manual is written in Chinese.

What's inside

Features
Applications
Pin Configuration
Specifications
Detailed Description
Application Information
Power Supply Recommendations

Specifications

Operating Temperature Range	-40°C to 85°C
Supply Voltage (No Flash Writes)	2.45V to 2.8V
Interface Type	I2C

Frequently asked questions

What is the maximum recommended operating temperature for this device?

The device operates within an ambient temperature range of -40°C to 85°C.

What is the maximum supply voltage for this monitor?

The regulator input and supply voltage must not exceed 2.75 V.

Download PDF (2 MB)