TPS25830AQCWRHBRQ1
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Texas Instruments TPS2583x-Q1 USB Type-C & BC1.2 Charging Port Controller includes a synchronous DC/DC converter. With cable droop compensation, the VBUS voltage remains constant regardless of load current. This feature ensures connected portable devices are charged at optimal current and voltage. The TPS25832-Q1 includes high bandwidth analog switches for DP and DM pass-through switching. The TPS25833-Q1 includes a thermistor input pin and a thermal warning flag for user-programmable thermal overload protection.
The synchronous buck regulator operates with current-mode control and is internally compensated to simplify the design. A resistor on the RT pin sets the switching frequency between 300kHz and 2.2MHz. Operating below 400kHz results in better system efficiency. Operation above 2.1MHz avoids the AM radio bands and allows for use of a smaller inductor.
The TPS2583x-Q1 integrates standard USB Type-C port controller functionality including Configuration Channel (CC) logic for 3A and 1.5A current advertisement. Battery Charging (Rev. 1.2) integration provides the required electrical signatures necessary for non-Type-C and legacy USB devices that use USB data line signaling to determine USB port current sourcing capabilities.