The TPS2511-Q1 is a USB dedicated charging port (DCP) controller and current limiting
power switch. An auto-detect feature monitors USB data line voltage, and automatically provides the
correct electrical signatures on the data lines to charge compliant devices among the following
Divider DCP, required to apply 2.7 V on D+ and 2.0 V on D– or 2.0 V
on D+ and 2.7 V on D–;BC1.2 DCP, required to short D+ to
D–;1.2 V on both D+ and D–.
The TPS2511-Q1 is a 80-mΩ power-distribution switch intended for applications where heavy
capacitive loads and short-circuits are likely to be encountered. This device also provides hiccup
mode when the output (OUT) voltage is less than 3.80 V typical or when an over-temperature
protection occurs during an overload condition. Accurate and programmable current limit provides
flexibility and convenience for applications. The TPS2511-Q1 provides a CS
pin for USB cable resistance compensation and a EN pin to turn on and turn off the device.
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