Manufacturer Part Number
BQ27421YZFT-G1A
Manufacturer
Texas Instruments
Introduction
The BQ27421YZFT-G1A is a highly integrated battery monitor IC from Texas Instruments, part of the Impedance Track™ series, designed for single-cell Lithium Ion battery management in a variety of applications.
Product Features and Performance
Accurate battery monitoring through the Impedance Track algorithm
Supports Single-Cell Lithium Ion batteries
Integrated temperature sensor to monitor battery temperature
Provides vital battery information such as remaining capacity, state-of-charge (SOC), and battery health
High-precision voltage and current measurement
Energy-efficient design to maximize battery life
I2C interface for communication with microcontrollers or processors
Product Advantages
Advanced algorithm provides more accurate battery state estimation
Compact 9-DSBGA package saves space on the PCB
Low power consumption extends battery life in portable devices
Simplifies battery management design, reducing time-to-market
Key Technical Parameters
Battery Chemistry: Lithium Ion
Number of Cells: 1
Interface: I2C
Operating Temperature: -40°C ~ 85°C
Mounting Type: Surface Mount
Package / Case: 9-UFBGA, DSBGA
Quality and Safety Features
Integrated safety features to protect against over-temperature conditions
Robust design ensures reliable operation under varying environmental conditions
Compatibility
Flexible I2C communication interface compatible with a wide range of microcontrollers and processors
Suited for single-cell Lithium Ion battery applications
Application Areas
Portable electronics (smartphones, tablets, wearables)
Medical devices
Wireless sensors
Smart metering devices
Product Lifecycle
Active status, with ongoing manufacturer support
Not currently nearing discontinuation, with availability of replacements or upgrades from Texas Instruments as necessary
Several Key Reasons to Choose This Product
High accuracy and reliability in battery monitoring enhance device performance
Enables smarter power management strategies for portable devices
Compact, energy-efficient design helps in developing sleek, modern products
Extensive support and documentation available from Texas Instruments
Versatile application scope, from consumer electronics to industrial applications
BQ27410DRZRTexas Instruments