Manufacturer Part Number
BQ2057TTSTRG4
Manufacturer
Texas Instruments
Introduction
The BQ2057TTSTRG4 is a power management integrated circuit designed for lithium-ion or lithium-polymer battery charging.
Product Features and Performance
Designed for Li-Ion or Li-Polymer battery chemistry
Capable of charging 2 cells
Constant current charging with programmable features
Supports a battery pack voltage of 8.2V
Operational within a supply voltage range up to 15V
Surface mount packaging for compact PCB design
Product Advantages
Integrated solution for battery charging applications
Programmable current feature allows customization for specific battery requirements
Suitable for operating in a wide range of ambient temperatures (-20°C to 70°C)
Key Technical Parameters
Battery Chemistry: Lithium Ion/Polymer
Number of Cells: 2
Current Charging: Constant (Programmable)
Battery Pack Voltage: 8.2V
Voltage Supply (Max): 15V
Operating Temperature: -20°C ~ 70°C
Mounting Type: Surface Mount
Package / Case: 8-TSSOP
Quality and Safety Features
(Note: Specific quality and safety features are not provided in the list of parameters; it inferred that Texas Instruments products often undergo rigorous testing for reliability and safety.)
Compatibility
Suited for devices that use 2-cell lithium-ion or lithium-polymer batteries
Application Areas
Portable consumer electronics
Battery-powered devices
Energy storage systems
Product Lifecycle
Discontinued at Digi-Key
Potential for limited availability or need for replacement solutions
Key Reasons to Choose This Product
Texas Instruments' reputation for reliable and high-quality power management solutions
Flexibility of use due to programmable current feature
Compatible with a commonly used battery chemistry in modern electronics (Li-Ion/Li-Polymer)
Suitable for a range of temperatures, enhancing device reliability
Compact package suitable for space-constrained applications