BQ25896 - bq25896/7 具有 NVDC 电源路径管理的 I2C 控制 5A 单节 USB/适配器充电器

BQ25896是TI德州仪器公司的一款电池充电器IC产品，BQ25896是bq25896/7 具有 NVDC 电源路径管理的 I2C 控制 5A 单节 USB/适配器充电器，本站介绍了BQ25896的封装应用图解、特点和优点、功能等，并给出了与BQ25896相关的TI元器件型号供参考。

BQ25896 - bq25896/7 具有 NVDC 电源路径管理的 I2C 控制 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 3-A, 1.5-MHz Switch Mode Buck Charge
- 92.5% Charge Efficiency at 2 A and 90.5% Charge Efficiency at 3 A Charge Current
- Optimize for High Voltage Input (9 V / 12 V)
- Low Power PFM mode for Light Load Operations
USB On-the-Go (OTG) with Adjustable Output from 4.5 V to 5.5 V
- Selectable 500-KHz / 1.5-MHz Boost Converter with up-to 2 A Output
- 93% Boost Efficiency at 5 V at 1 A Output
- Accurate Hiccup Mode Overcurent Protection
- Support down-to 2.5V Battery
- Support PWM only or PFM/PWM control for Light Load Efficiency
Single Input to Support USB Input and Adjustable High Voltage Adapters
- Support 3.9-V to 14-V Input Voltage Range
- Input Current Limit (100 mA to 3.25 A with 50-mA resolution) to Support USB2.0, USB3.0 standard and High Voltage Adapters
- Maximum Power Tracking by Input Voltage Limit up-to 14V for Wide Range of Adapters
Input Current Optimizer (ICO) to Maximize Input Power without Overloading Adapters
Resistance Compensation (IRCOMP) from Charger Output to Cell Terminal
Highest Battery Discharge Efficiency with 11-mΩ Battery Discharge MOSFET up to 9 A
Integrated ADC for System Monitor (Voltage, Temperature, Charge Current)
Narrow VDC (NVDC) Power Path Management
- Instant-on Works with No Battery or Deeply Discharged Battery
- Ideal Diode Operation in Battery Supplement Mode
BATFET Control to Support Ship Mode, Wake Up, and Full System Reset
Flexible Autonomous and I2C Mode for Optimal System Performance
High Integration includes all MOSFETs, Current Sensing and Loop Compensation
12-µA Low Battery Leakage Current to Support Ship Mode
High Accuracy
- ±0.5% Charge Voltage Regulation
- ±5% Charge Current Regulation
- ±7.5% Input Current Regulation
Safety
- Battery Temperature Sensing for Charge and Boost Mode
- Thermal Regulation and Thermal Shutdown

产品应用

Smart Phone
Tablet PC
Portable Internet Devices

产品说明

The bq25896 is a highly-integrated 3-A switch-mode battery charge management and system power path management device for single cell Li-Ion and Li-polymer battery. The devices support high input voltage fast charging. The low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time and extends battery life during discharging phase. The I2C Serial interface with charging and system settings makes the device a truly flexible solution.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
bq25896	WQFN (24)	4.00mm x 4.00mm

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