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The OB2592 is a Qualcomm Quick charge 2.0 (QC2.0) compatible USB adaptive voltage position controller for use in High Voltage Dedicated Charging Port AC/DC chargers. The device allows fast charging of QC2.0 enabled portable devices. The OB2592 resides on the secondary side of an AC/DC power supply and allows the adapter to be configured for 5V, 9V, or 12V output depending on the voltage requested by the portable device. The OB2592 eliminates shunt regulator and loop compensation components at the secondary side and it has a built-in opto-coupler LED driver to minimize the bill of material cost.
The OB2592 automatically detects whether a connected Powered Device (PD) is Quick Charge 2.0 capable before enabling output voltage adjustment. If a PD not compliant to Quick Charge 2.0 is detected, the OB2592 disables output voltage adjustment to ensure safe operation with legacy 5V only USB PDs.
Supports Qualcomm Quick Charge 2.0 Class A as a High Voltage Dedicated Charging Port IC with voltage configuration 5V, 9V and 12v
Programmable active fast discharge from 9V/12V to 5V at USB cable unplug or clamp on each regulator voltage level with built-in switch
Low static current consumption (typical 140uA)
Wide operation voltage range from 3V to 30V.
Built-in opto-coupler LED driver with constant sink current
Support Qualcomm and AnychargeTM protocol
Fast-charging AC/DC charges for cell phones, tablets and other portable devices