BQ24092 - 1A 单输入单节锂离子电池充电器，可通过 JEITA 和 10kΩ NTC 运行

BQ24092是TI德州仪器公司的一款电池充电器IC产品，BQ24092是1A 单输入单节锂离子电池充电器，可通过 JEITA 和 10kΩ NTC 运行，本站介绍了BQ24092的封装应用图解、特点和优点、功能等，并给出了与BQ24092相关的TI元器件型号供参考。

BQ24092 - 1A 单输入单节锂离子电池充电器，可通过 JEITA 和 10kΩ NTC 运行 - 电池充电器IC - 电池管理产品 - 德州仪器

产品特性

Charging
- 1% Charge Voltage Accuracy
- 10% Charge Current Accuracy
- Pin Selectable USB 100-mA and 500-mA Maximum Input Current Limit
- Programmable Termination and Precharge Threshold
Protection
- 6.6 V Over-Voltage Protection
- Input Voltage Dynamic Power Management
- 125°C Thermal Regulation; 150°C Thermal Shutdown Protection
- OUT Short-Circuit Protection and ISET Short Detection
- Operation Over JEITA Range via Battery NTC – ½ Fast-Charge-Current at Cold, 4.06V at Hot, bq24092/3
- Fixed 10-Hour Safety Timer
System
- Automatic Termination and Timer Disable Mode (TTDM) for Absent Battery Pack With Thermistor
- Status Indication – Charging/Done
- Available in Small 10-Pin MSOP Package

产品应用

Smart Phones
PDAs
MP3 Players
Low-Power Handheld Devices

产品说明

The bq2409x series of devices are highly integrated Li-ion and Li-Pol linear chargers devices targeted at space-limited portable applications. The devices operate from either a USB port or AC adapter. The high input voltage range with input overvoltage protection supports low-cost unregulated adapters.

The bq2409x has a single power output that charges the battery. A system load can be placed in parallel with the battery as long as the average system load does not keep the battery from charging fully during the 10-hour safety timer.

The battery is charged in three phases: conditioning, constant current and constant voltage. In all charge phases, an internal control loop monitors the IC junction temperature and reduces the charge current if an internal temperature threshold is exceeded.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
bq2409x	HVSSOP (10)	3.00 mm x 3.00 mm

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