The TPS65987DDHRSHR is a USB Type – C and USB PD controller integrated with power switches produced by Texas Instruments. Its main functions are as follows:
– USB Power Delivery (PD) Control: It complies with USB PD 3.0, supports fast role swapping, and has a physical layer and policy engine. It can be configured during startup and under host control.
– USB Type – C Specification Compliance: It detects cable connection and orientation, advertises default 1.5 – A or 3 – A power, and provides up to 600 mA VConn current.
– Port Power Switch: It is equipped with two 5 – V to 20 – V, 5 – A bidirectional switches, with adjustable current limiting up to 10 A. It also has ideal diode reverse – current protection, under – voltage and over – voltage protection, slew – rate control, and a 5 – V, 600 – mA VConn power supply.
– BC1.2 Support: It advertises DCP and CDP, automatically selects DCP mode, and supports short – circuit mode according to BC1.2 and YD/T 1591. It also includes data – contact detection and primary and secondary detection.
– Alternate Mode Support: It supports alternate modes such as DisplayPort and Thunderbolt.
– Power Management: It can be powered by 3.3 V or VBUS and provides a 3.3 – V LDO output for unpowered battery support.
