Manufacturer Part Number
BQ24753ARHDT
Manufacturer
Texas Instruments
Introduction
The BQ24753ARHDT is a high-efficiency, synchronous battery charger with integrated compensation and system power selector logic, designed for notebook and portable applications.
Product Features and Performance
Integrated synchronous buck converter with high accuracy
Supports 2 to 4 series Li-ion or Li-polymer cells
Programmable charge current up to 10A
Precise voltage regulation: ±0.5% charge voltage accuracy at room temperature
Hybrid Power Boost mode for battery charging and system powering simultaneously
SMBus controlled
N-Channel Power MOSFET Selector
Battery discharge MOSFET control
Product Advantages
High-efficiency power management extends battery life
Real-time system control through SMBus interface
Enhanced system safety features
Adaptive charging to optimize for battery life and charge time
Key Technical Parameters
Battery Chemistry: Lithium Ion/Polymer
Number of Cells: 2 ~ 4
Current - Charging: Constant - Programmable
Fault Protection: Over Current, Over Voltage
Charge Current - Max: 10A
Battery Pack Voltage: 18.048V (Max)
Voltage - Supply (Max): 24V
Operating Temperature: -40°C ~ 125°C (TJ)
Mounting Type: Surface Mount
Package / Case: 28-VFQFN Exposed Pad
Supplier Device Package: 28-VQFN (5x5)
Quality and Safety Features
Multiple safety features including over current and over voltage protection
Thermal regulation to prevent overheating
Compatibility
Suitable for 2 to 4 series cells Lithium Ion or Lithium Polymer battery packs
Application Areas
Notebook computers
Portable power tools
Medical devices
Portable instruments and monitoring systems
Product Lifecycle
Product Status: Active
Not currently nearing discontinuation; replacements or upgrades should be available
Several Key Reasons to Choose This Product
Delivers efficient and fast charging capability for high-capacity batteries
Provides a flexible and programmable power management solution
Incorporates advanced safety features to protect against common battery charging related issues
High-temperature operation range suits demanding applications
Texas Instruments' reputable quality and reliability