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TI产品 - BQ24600介绍

BQ24600 - 独立同步开关模式充电控制器

BQ24600是TI德州仪器公司的一款电池充电器IC产品，BQ24600是独立同步开关模式充电控制器，本站介绍了BQ24600的封装应用图解、特点和优点、功能等，并给出了与BQ24600相关的TI元器件型号供参考。

BQ24600 - 独立同步开关模式充电控制器 - 电池充电器IC - 电池管理产品 - 德州仪器

产品特性
  • 1.2-MHz NMOS-NMOS Synchronous Buck Converter
  • Stand-Alone Charger Support for Li-Ion or Li-Polymer
  • 5-V – 28-V VCC Input Voltage Range and Supports 1S-6S Battery Cells
  • Up to 10-A Charge Current and Adapter Current
  • High-Accuracy Voltage and Current Regulation
    • ±0.5% Charge-Voltage Accuracy
    • ±3% Charge-Current Accuracy
  • Integration
    • Internal Loop Compensation
    • Internal Soft Start
  • Safety
    • Input Overvoltage Protection
    • Battery Thermistor Sense Hot/Cold Charge Suspend
    • Battery Detection
    • Built-In Safety Timer
    • Charge Overcurrent Protection
    • Battery Short Protection
    • Battery Overvoltage Protection
    • Thermal Shutdown
  • Status Outputs
    • Adapter Present
    • Charger Operation Status
  • Charge Enable Pin
  • 6-V Gate Drive for Synchronous Power Converter
  • 30-ns Driver Dead-Time and 99.5% Max. Effective Duty Cycle
  • 16-Pin 3.5-mm × 3.5-mm QFN package
  • Energy Star Low Quiescent Current Iq
    • < 15-μA Off-State Battery Discharge Current
    • < 1.5-mA Off-State Input Quiescent Current
产品应用
  • Portable Equipment Handle Terminals
  • Industrial and Medical Equipment
  • Power Tools Appliance
  • Mobile Internet Device, and Ultra-Mobile PC
产品说明

The bq24600 is a highly integrated Li-ion or Li-polymer switch-mode battery-charge controller. It offers a constant-frequency synchronous PWM controller with high-accuracy charge current and voltage regulation, charge preconditioning, termination, and charge status monitoring,

The bq24600 charges the battery in three phases: preconditioning, constant current, and constant voltage. Charge is terminated when the current reaches a minimum level. An internal charge timer provides a safety backup. The bq24600 automatically restarts the charge cycle if the battery voltage falls below an internal threshold, and enters a low-quiescent-current sleep mode when the input voltage falls below the battery voltage.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
bq24600VQFN (16)3.50 mm x 3.50 mm
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