Manufacturer Part Number
BQ2057DGK
Manufacturer
Texas Instruments
Introduction
The BQ2057DGK is a specialized integrated circuit designed for lithium ion/polymer battery charging, part of texas instruments' extensive power management portfolio.
Product Features and Performance
Designed for lithium ion or polymer batteries
Supports single-cell configuration
Enables constant current charging with programmable current level
Operates with a supply voltage up to 15V
Suitable for surface mount technology
Operates efficiently in temperatures ranging from -20°C to 70°C
Product Advantages
Precision charging for lithium batteries enhances battery life
Programmable charging current allows for flexibility in application
Compact 8-TSSOP/8-MSOP package for space-sensitive designs
Supports essential charging needs without complex interfacing
Key Technical Parameters
Battery Chemistry: Lithium Ion/Polymer
Number of Cells: 1
Charging Current: Constant and Programmable
Battery Pack Voltage: 4.1V
Voltage Supply (Max): 15V
Operating Temperature: -20°C ~ 70°C (TA)
Package: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Quality and Safety Features
Designed with industry-standard safety and quality measures for charging applications
Compatibility
Specifically compatible with lithium ion or polymer batteries requiring up to 4.1V
Application Areas
Portable electronic devices
Battery-powered equipment
Consumer electronics requiring reliable battery management
Product Lifecycle
Marked as Obsolete, indicating discontinuation of production
Users are advised to seek replacements or upgrades for new designs
Several Key Reasons to Choose This Product
Reliable and precise charging for critical lithium battery applications
Texas Instruments' reputation for quality and performance in power management
Programmable current feature for application-specific charging needs
Compact packaging suitable for space-limited applications
Though obsolete, it remains a viable option for existing designs requiring this specific functionality