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 NUMBER	PACKAGE	BODY SIZE (NOM)
bq24600	VQFN (16)	3.50 mm x 3.50 mm

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