- 制造厂商：TI
- 产品类别：电源管理
- 技术类目：电池管理 IC - 电池充电器 IC
- 功能描述：SYSOFF 模式下具有 1uA 静态电流、I2C 控制型单节 2A 降压型电池充电器
- 点击这里打开及下载BQ24250C的技术文档资料
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The bq24250C is a highly integrated single-cell Li-Ion battery charger and system power-path management device targeted for space-limited, portable applications with high capacity batteries. The single cell charger has a single input that operates from either a USB port or AC wall adapter for a versatile solution.
- High-efficiency Switch-mode Charger with Separate Power Path
- Start up System from Deeply Discharged or Missing Battery
- USB Charging Compliant
- Selectable Input Current Limit of 100 mA, 500 mA, 900 mA,\ 1.5 A, and 2 A
- In Host Mode (After I2C Communication Starts and Before Watchdog Timer Times Out)
- Programmable Battery Charge Voltage, VBATREG
- Programmable Charge Current (ICHG)
- Programmable Input Current Limit (ILIM)
- Programmable Input Voltage Based Dynamic Power Management threshold, (VIN_DPM)
- Programmable Input Overvoltage Protection Threshold (VOVP)
- Programmable Safety Timer
- Resistor Programmable Defaults for:
- ICHG up to 2 A with Current Monitoring Output (ISET)
- ILIM up to 2 A with Current Monitoring Output (ILIM)
- VIN_DPM (VDPM)
- Watchdog Timer Disable Bit
- Integrated 4.9 V, 50 mA LDO
- Complete System Level Protection
- Input UVLO, Input Over-voltage Protection (OVP), Battery OVP, Sleep Mode, VIN_DPM
- Input Current Limit
- Charge Current Limit
- Thermal Regulation
- Thermal Shutdown
- Voltage Based NTC Monitoring Input
- Safety Timer
- 20 V Maximum Input Voltage Rating
- 10.5 V Maximum Operating Input Voltage
- Low RDS(on) Integrated Power FETs for up to 2 A Charging Rate
- Open Drain Status Outputs
- Synchronous Fixed-frequency PWM Controller Operating at 3MHz for Small Inductor Support
- Robust Battery Detection Algorithm
- Charge Time Optimizer for improved charge times at any given charge current
- 2.4 × 2.0 mm 30-ball WCSP Packages
- Number of series cells
- 1
- Charge current (Max) (A)
- 2
- Operating Vin (Max) (V)
- 10.5
- Cell chemistry
- Li-Ion/Li-Polymer
- Battery charge voltage (Min) (V)
- 3.5
- Battery charge voltage (Max) (V)
- 4.44
- Absolute Vin (safety rating) (Max) ((V))
- 20
- Control interface
- I2C, Standalone (RC-Settable)
- Features
- BAT temp thermistor monitoring (JEITA profile), BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation, Input OVP, Integrated LDO, Power Path
- Operating Vin (Min) (V)
- 4.35
- Rating
- Catalog
BQ24250C的完整型号有：BQ24250CYFFR、BQ24250CYFFT，以下是这些产品的关键参数及官网采购报价：
BQ24250CYFFR，工作温度：-40 to 85，封装：DSBGA (YFF)-30，包装数量MPQ：3000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SNAGCU，TI官网BQ24250CYFFR的批量USD价格：1.88（1000+）
BQ24250CYFFT，工作温度：-40 to 85，封装：DSBGA (YFF)-30，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SNAGCU，TI官网BQ24250CYFFT的批量USD价格：2.256（1000+）
BQ24250EVM-150 — BQ24250EVM-150 单输入 I2C/独立开关模式锂离子电池充电器评估模块
This EVM enables test and evaluation of the Texas Instruments' bq24250/51/57 devices. The bq2425x series are highly integrated single cell Li-Ion battery chargers targeted for space-limited, portable applications with high capacity batteries. The single cell charger has a single input that (...)
