Manufacturer Part Number
BQ28400PW
Manufacturer
Texas Instruments
Introduction
The BQ28400PW is a battery management integrated circuit (IC) designed for power-efficient, multi-function control of lithium-ion or lithium-polymer cells in a dual-cell battery pack.
Product Features and Performance
Integrated multi-function controller for lithium-based battery packs
Supports 2-cell Li-Ion/Li-Polymer battery configurations
Includes over current, over temperature, and over/under voltage protection
Short circuit protection enhances safety
Communicates via SMBus interface for system integration
Operates in a wide temperature range from -40°C to 85°C
Product Advantages
High integration level simplifies circuit design
Advanced protection features ensure battery longevity and safety
Standard SMBus communication for compatibility with numerous systems
Robust operating temperature range suitable for diverse applications
Surface mount technology (SMT) compatible for streamlined PCB design
Key Technical Parameters
Battery Chemistry: Lithium Ion/Polymer
Number of Cells: 2
Fault Protection: Over Current, Over Temperature, Over/Under Voltage, Short Circuit
Interface: SMBus
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package: 20-TSSOP
Quality and Safety Features
Built-in fault protection mechanisms
Robust thermal performance within specified temperature range
Compatibility
Compatible with dual-cell Li-Ion and Li-Polymer batteries
SMBus interface enables use with numerous controllers and MCUs
Application Areas
Portable consumer electronics
Battery-powered medical devices
Handheld industrial equipment
Electric vehicles and e-bikes with dual-cell battery packs
Product Lifecycle
Active product status
Regularly manufactured with ongoing support and availability
Several Key Reasons to Choose This Product
Advanced control and safety features protect against common battery faults
Texas Instruments' reputable manufacturing quality ensures reliability
Designed to support popular lithium battery chemistries, enhancing versatility
Easy to integrate into existing designs with standard SMBus communication
The active lifecycle status indicates continued production and technical support
Optimized for surface mounting, easing assembly and production processes