Manufacturer Part Number
BQ4050RSMT
Manufacturer
Texas Instruments
Introduction
The BQ4050RSMT is a multi-function controller for lithium-ion/polymer battery packs with 1 to 4 cells.
Product Features and Performance
Supports 1 to 4 series-connected Li-Ion/Polymer cells
Comprehensive battery protection (overcurrent, overtemperature, over/undervoltage, short circuit)
SMBus interface for host communication
Battery management functions (charging, discharging, cell balancing)
Advanced battery fuel gauging with high accuracy
Product Advantages
Robust protection features ensure safe battery operation
Intelligent battery management optimizes battery performance and lifespan
SMBus interface enables easy integration with host systems
Key Technical Parameters
Operating temperature range: -40°C to 85°C
Package: 32-VQFN (4x4) with exposed pad
Mounting type: Surface mount
Quality and Safety Features
RoHS3 compliant
Comprehensive protection against faults and abnormal conditions
Compatibility
Suitable for use with lithium-ion/polymer battery packs with 1 to 4 cells
Application Areas
Portable electronics
Power tools
e-Bikes and other electric vehicles
Uninterruptible power supplies (UPS)
Product Lifecycle
Active product, no discontinuation plans
Replacements and upgrades available as needed
Key Reasons to Choose This Product
Robust battery protection features ensure safe operation
Intelligent battery management optimizes performance and lifespan
SMBus interface enables easy integration with host systems
Wide operating temperature range for versatile application