BQ24292I - 具有 Narrow VDC 电源路径管理的 I2C 控制 4.5A 单节 USB/适配器充电器

BQ24292I是TI德州仪器公司的一款电池充电器IC产品，BQ24292I是具有 Narrow VDC 电源路径管理的 I2C 控制 4.5A 单节 USB/适配器充电器，本站介绍了BQ24292I的封装应用图解、特点和优点、功能等，并给出了与BQ24292I相关的TI元器件型号供参考。

BQ24292I - 具有 Narrow VDC 电源路径管理的 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 4.5A Switch Mode Charger
- 92% Charge Efficiency at 2A, 90% at 4A
- Accelerate Charge Time by Battery Path Impedance Compensation
Highest Battery Discharge Efficiency with 12mΩ Battery Discharge MOSFET up to 9A Discharge Current
Single Input USB-compliant/Adapter Charger
- Support USB Detection Compatible to USB Battery Charger Spec 1.2
- Input Voltage and Current Limit Supports USB2.0 and USB 3.0
- Input Current Limit: 100mA, 150mA, 500mA, 900mA, 1.2A, 1.5A, 2A and 3A
3.9V–17V Input Operating Voltage Range
- Support All Kinds of Adapter with Input Voltage DPM Regulation
Support USB On-The-Go Standard with 5V at 1.3A Synchronous Boost Converter Operation
- 93% 5V Boost Efficiency at 1A
- Fast OTG Startup (22ms typ)
- Hiccup Mode Overcurrent Protection
Narrow VDC (NVDC) Power Path Management
- Instant-on Works with No Battery or Deeply Discharged Battery
- Ideal Diode Operation in Battery Supplement Mode
1.5MHz 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 Overvoltage Protection
- MOSFET Overcurrent Protection
Charge Status Outputs for LED or Host Processor
Low Battery Leakage Current and Support Shipping Mode
4mm x 4mm VQFN-24 Package

产品应用

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

产品说明

The bq24292i is 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 smartphone, tablet and other portable devices.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
bq24292i	VQFN (24)	4.00 mm x 4.00 mm

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