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7 A 2:1 Switched Capacitor Charger for Single Cell Battery
The PCA9482UK is a highly-integrated switched-capacitor converter with an embedded OVPFET, targeted to provide two times the output current for fast charging applications with a 1-cell battery. The device works in 2:1 switching operation with very high efficiency (> 96.5%, at VVOUT = 4 V, IVOUT = 5 A), in 1:2 switching operation or in 1:1 mode with forward and reverse direction.
The chip is offered in 3.02 mm x 2.72 mm, 6 x 7 bumps, 0.4mm pitch WLCSP package.
Product Details
Features
Key Features
- Dual phase switched capacitor for single cell battery
- Multiple operation mode: 2:1, 1:2, forward and reverse 1:1
- 5 V to 10.2 V input voltage
- Max. 7 A output current
- Integrate OVP FET for protection and regulation
Performance
- > 96.5% efficiency at 5 A
Protections
- Over-voltage protection
- Under-voltage protection
- Thermal shutdown
- Short protection at OVP_OUT and flying capacitor during start-up
- Over-current and reverse-current protection
- Watchdog timer
Others
- Leader and Follower for parallel charging
- 8 channels 12-bit ADC
- 1 Mbit/s I²C-bus target interface
Buy/Parametrics
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2 documents
Compact List
Application Note (1)
Data Sheet (1)
Design Resources
Support
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