BQ24075TRGTR Power Path Management IC Battery Management 1.5A USB-Friendly Li Ion Batt Charger
power management integrated circuit
,microchip battery management
BQ24075TRGTR Power Path Management IC Battery Management 1.5A USB-Friendly Li Ion Batt Charger
1 Features
- 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
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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)
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Programmable Input Current Limit up to 1.5A for Wall Adapters
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Battery Disconnect Function with SYSOFF Input
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Reverse Current, Short-Circuit and Thermal Protection
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Flexible Voltage Based NTC Thermistor Input
-
Proprietary Start Up Sequence Limits Inrush Current
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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 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. The USB input current limit accuracy and start up sequence allow the bq2407xT to meet USB-IF inrush current specification. Additionally, the input dynamic power management (VIN - DPM) prevents the charger from crashing incorrectly configure USB sources.
Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
bq24072T |
VQFN (16) |
3.00 mm x 3.00 mm |
|
bq24075T |
||
|
bq24079T |
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