BQ24190 - I2C 控制 4.5A 单节 USB / 适配器充电器

BQ24190是TI德州仪器公司的一款电池充电器IC产品，BQ24190是I2C 控制 4.5A 单节 USB / 适配器充电器，本站介绍了BQ24190的封装应用图解、特点和优点、功能等，并给出了与BQ24190相关的TI元器件型号供参考。

BQ24190 - I2C 控制 4.5A 单节 USB / 适配器充电器 - 电池充电器IC - 电池管理产品 - 德州仪器

产品特性

High Efficiency 4.5-A Switch Mode Charger
- 92% Charge Efficiency at 2 A, 90% at 4 A
- Accelerate Charge Time by Battery Path Impedance Compensation
Compatible with MaxLife Technology for Faster Charging When Used in Conjunction With bq27531
Highest Battery Discharge Efficiency with 12-mΩ Battery Discharge MOSFET up to 9-A Discharge Current
Single Input USB-compliant/Adapter Charger
- USB Host or Charging Port D+/D- Detection Compatible to USB Battery Charger Spec 1.2
- Input Voltage and Current Limit Supports USB2.0 and USB3.0
- Input Current Limit: 100 mA, 150 mA, 500 mA, 900 mA, 1.2 A, 1.5 A, 2 A and 3 A
3.9-V to 17-V Input Operating Voltage Range
- Support All Kinds of Adapter with Input Voltage DPM Regulation
USB OTG 5 V at 1.3-A Synchronous Boost Converter Operation
- 93% 5-V Boost Efficiency at 1 A
Narrow VDC (NVDC) Power Path Management
- Instant-on Works with No Battery or Deeply Discharged Battery
- Ideal Diode Operation in Battery Supplement Mode
1.5-MHz Switching Frequency for Low Profile Inductor
Autonomous Battery Charging with or without Host Management
- Battery Charge Enable
- Battery Charge Preconditioning
- Charge Termination and Recharge
High Accuracy (0°C to 125°C)
- ±0.5% Charge Voltage Regulation
- ±7% Charge Current Regulation
- ±7.5% Input Current Regulation
- ±2% Output Regulation in Boost Mode
High Integration
- Power Path Management
- Synchronous Switching MOSFETs
- Integrated Current Sensing
- Bootstrap Diode
- Internal Loop Compensation
Safety
- Battery Temperature Sensing and Charging Safety Timer
- Thermal Regulation and Thermal Shutdown
- Input System Over-Voltage Protection
- MOSFET Over-Current Protection
Charge Status Outputs for LED or Host Processor
Low Battery Leakage Current and Support Shipping Mode
4.00 mm x 4.00 mm VQFN-24 Package

产品应用

Tablet PC and Smart Phone
Portable Audio Speaker
Portable Media Players
Internet Devices

产品说明

The bq24190, bq24192, and bq24192I are highly-integrated switch-mode battery charge management and system power path management devices for single cell Li-Ion and Li-polymer battery in a wide range of tablet and other portable devices.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
bq24190	VQFN (24)	4.00 mm x 4.00 mm
bq24192
bq24192I

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