同步开关模式,锂离子和锂聚合物充电管理综合POWERFETS IC ( bqSWITCHER ? ) SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POL CHARGE MANAGEMENT IC WITH INTEGRATED POWERFETS bqSWITCHER
DESCRIPON
The bqSWITCHER™ series are highly integrated Li-ion and Li-polymer switch-mode charge management devices targeted at a wide range of portable applications. The bqSWITCHER™ series offers integrated synchronous PWM controller and power FETs, high-accuracy current and voltage regulation, charge preconditioning, charge status, and charge termination, in a small, thermally enhanced QFN package. The system-controlled version provides additional inputs for full charge management under system control.
FEATURES
• Ideal For Highly Efficient Charger Designs For Single-, Two- or Three-Cell Li-Ion and Li-Polymer
Battery Packs
• Integrated Synchronous Fixed-Frequency PWM Controller Operating at 1.1 MHz With 0% to 100% Duty Cycle
• Integrated Power FETs For Up To 2-A Charge Rate
• High-Accuracy Voltage and Current Regulation
• Available In Both Stand-Alone Built-In Charge Management and Control and System-Controlled Under System Command Versions
• Status Outputs For LED or Host Processor Interface Indicates Charge-In-Progress, Charge Completion, Fault, and AC-Adapter Present Conditions
• 20-V Maximum Voltage Rating on IN and OUT Pins
• High-Side Current Sensing
• Optional Battery Temperature Monitoring
• Automatic Sleep Mode for Low Power Consumption
• System-Controlled Version Can Be Used In NiMH and NiCd Applications
• Uses Ceramic Capacitors
• Reverse Leakage Protection Prevents Battery Drainage
• Thermal Shutdown and Protection
• Built-In Battery Detection
APPLICATIONS
• Handheld Products
• Portable Media Players
• Industrial and Medical Equipment
• Portable Equipment
电源电压DC 16.0V max
输入电压DC 16.0 V
输出电压 7 V
耗散功率 1810 mW
开关频率 1.10 MHz
工作温度Max 85 ℃
工作温度Min -40 ℃
耗散功率Max 1810 mW
电源电压 4.3 V
电源电压Max 16 V
输入电压 16 V
安装方式 Surface Mount
引脚数 20
封装 VQFN-20
封装 VQFN-20
工作温度 -40℃ ~ 85℃ TA
产品生命周期 Active
包装方式 Tape & Reel TR
RoHS标准 RoHS Compliant
含铅标准 Lead Free
REACH SVHC版本 2014/12/17
ECCN代码 EAR99
型号/品牌 | 代替类型 | 替代型号对比 |
---|---|---|
BQ24113RHLR TI 德州仪器 | 当前型号 | 当前型号 |
BQ24113RHLRG4 德州仪器 | 完全替代 | BQ24113RHLR和BQ24113RHLRG4的区别 |