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BQ28Z620DRZR

TIBQ28Z620DRZR

Texas Instruments
Battery Battery Balancing IC Lithium Ion/Polymer 12-VSON (2.5x4)
Active3,801 in stock
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Overview

The Texas Instruments BQ28Z620DRZR is a highly integrated, single-cell or two-cell lithium-ion and lithium-polymer battery pack manager. It provides accurate battery fuel gauging, cell balancing, and robust fault protection features. This device is designed to enhance the reliability and longevity of portable electronic devices requiring precise battery state management.

Why Choose This Part

This IC offers a complete battery management solution with integrated cell balancing, robust fault protection including overcurrent and short-circuit, and accurate fuel gauging based on a coulomb counter and internal temperature sensor. Its I2C interface simplifies communication with a host microcontroller. With a low shutdown current of 0.5 uA, it helps maximize battery life in low-power applications.

Applications

Portable Medical Devices
Ensuring reliable power and accurate run-time estimates for critical medical equipment operating on 1- or 2-cell Li-Ion/Polymer batteries.
Smart Home Devices
Managing battery life and providing protection for smart thermostats, security sensors, and other connected devices powered by compact battery packs.
Power Tools
Implementing robust overcurrent and short-circuit protection for handheld power tools to enhance safety and battery longevity.
Wearable Electronics
Offering precise fuel gauging and cell balancing for compact wearables that demand high accuracy and extended battery life.
Uninterruptible Power Supplies (UPS) for Small Electronics
Providing comprehensive battery management and protection for miniature UPS systems backing up routers, modems, or IoT gateways.

Key Specifications

Function Battery Balancing
Interface I2C
Mounting Type Surface Mount
Package / Case 12-VFDFN Exposed Pad
Number of Cells 1 ~ 2
Fault Protection Over Current, Over Temperature, Over Voltage
Battery Chemistry Lithium Ion/Polymer
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 12-VSON (2.5x4)

Getting Started

To get started with the BQ28Z620DRZR, utilize the Texas Instruments BQ28Z620 EVM (Evaluation Module) for development and testing. The accompanying Battery Management Studio (bqStudio) software provides a graphical user interface for configuring and debugging the device. The datasheet and application notes on the TI website offer detailed guidance on hardware design and software implementation.

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