Texas Instruments bq24079T
The bq2407xT series of devices are integrated Li-ion linear chargers and system power path management devices targeted at space-limited portable applications. The devices operate from either a USB port or AC adapter and support charge currents up to 1.5A. The input voltage range with input over-voltage protection supports unregulated adapters.| Part No. | bq24079T |
|---|---|
| Datasheet | bq24079T Download |
| Manufacturer |  Texas Instruments |
| Description | 1.5A USB-Friendly Li-Ion Battery Charger and Power-Path Management IC |
| Buy | Stock & Price |
FEATURES
●1 Fully Compliant USB Charger● Selectable 100mA and 500mA Maximum Input Current
● 100mA Maximum Current Limit Ensures Compliance to USB-IF Standard
● Input based Dynamic Power Management (VIN- DPM) for Protection Against Poor USB Sources
● 28V Input Rating with Over-voltage Protection
● Integrated Dynamic Power Path Management (DPPM) Function Simultaneously and Independently Powers the System and Charges the Battery
● System Output Tracks Battery Voltage (bq24072T)
● Supports up to 1.5A Charge Current with Current Monitoring Output (ISET)
● Programmable Input Current Limit up to 1.5A for Wall Adapters
● Battery Disconnect Function with SYSOFF Input
● Reverse Current, Short-Circuit and Thermal Protection
● Flexible Voltage Based NTC Thermistor Input
● Proprietary Start Up Sequence Limits Inrush Current
● Status Indication – Charging/Done, Power Good
● Small 3 mm × 3 mm 16 Lead VQFN Package 2
APPLICATIONS
● Smart Phones● PDAs
● MP3 Players
● Low-Power Handheld Devices 3
DESCRIPTION
The USB input current limit accuracy and start up sequence allow the bq2407xT to meet USB-IF inrush current specification.
