パッケージ情報
| パッケージ | ピン数 DSBGA (YFF) | 30 |
| 動作温度範囲 (℃) -40 to 85 |
| パッケージ数量 | キャリア 3,000 | LARGE T&R |
BQ24250C の特徴
- 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
- Selectable Input Current Limit of 100 mA, 500 mA, 900 mA,\
- 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)
- ICHG up to 2 A with Current Monitoring Output
- 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
- Input UVLO, Input Over-voltage Protection (OVP),
- 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
BQ24250C に関する概要
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.