BQ24707ARGRR 供应商
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BQ24707ARGRR
品牌：TI 封装/批号：原厂原装/22+ -
BQ24707ARGRR
品牌：TI/德州仪器 封装/批号：QFN/21+
BQ24707ARGRR 属性参数
- 标准包装：3,000
- 类别：集成电路 (IC)
- 家庭：PMIC - 电池管理
- 系列：-
- 功能：充电管理
- 电池化学：锂离子（Li-Ion）
- 电源电压：4.5 V ~ 24 V
- 工作温度：-40°C ~ 85°C
- 安装类型：表面贴装
- 封装/外壳：20-VFQFN 裸露焊盘
- 供应商设备封装：20-VQFN-EP（3.5x3.5）
- 包装：带卷 (TR)
产品特性
- SMBus Host-Controlled NMOS-NMOS Synchronous Buck Converter With Programmable 615 kHz, 750 kHz, and 885 kHz Switching Frequency
- Real-Time System Control on ILIM Pin to Limit Charge Current
- Enhanced Safety Features for Overvoltage Protection, Overcurrent Protection, Battery, Inductor, and MOSFET Short-Circuit Protection
- Programmable Input Current, Charge Voltage, Charge Current Limits ±0.5% Charge Voltage Accuracy up to 19.2 V ±3% Charge Current Accuracy up to 8.128 A ±3% Input Current Accuracy up to 8.064 A ±2% 20× Adapter Current or Charge Current Output Accuracy
- ±0.5% Charge Voltage Accuracy up to 19.2 V
- ±3% Charge Current Accuracy up to 8.128 A
- ±3% Input Current Accuracy up to 8.064 A
- ±2% 20× Adapter Current or Charge Current Output Accuracy
- Programmable Adapter Detection and Indicator
- Independent Comparator With Internal Reference
- Integrated Soft-Start
- Integrated Loop Compensation
- AC Adapter Operating Range 5 V to 24 V
- 15-µA Off-State Battery Discharge Current
- 20-pin 3.5 mm × 3.5 mm QFN Package
- bq24707: ACOK Delay Default 1.3 s
- bq24707A: ACOK Delay Default 1.2 ms
- APPLICATIONS Portable Notebook Computers, UMPCs, Ultra-Thin Notebooks, and Netbooks Personal Digital Assistants Handheld Terminals Industrial and Medical Equipment Portable Equipment
- Portable Notebook Computers, UMPCs, Ultra-Thin Notebooks, and Netbooks
- Personal Digital Assistants
- Handheld Terminals
- Industrial and Medical Equipment
- Portable Equipment
产品概述
The bq24707 and bq24707A devices are
high-efficiency, synchronous battery chargers, offering low component count for space-constrained,
multi-chemistry battery charging applications.SMBus controlled input current, charge current, and charge voltage DACs allow for very
high regulation accuracies that can be easily programmed by the system power management
micro-controller.The IC uses the internal input current register or external ILIM pin to throttle down PWM
modulation to reduce the charge current.The IC provides an IFAULT output to alarm if any MOSFET fault or
input over current occurs. This alarm output allows users to turn off input power selectors when
the fault occurs. Meanwhile, an independent comparator with internal reference is available to
monitor input current, output current, or output voltage.The IC charges one-, two-, three-, or four-series Li+ cells, and is available in a
20-pin, 3.5 × 3.5 mm QFN package.
BQ24707ARGRR 电路图
