STUSB4500L Datasheet Standalone USB Type-C sink port controller Features Auto-run Type-C sink controller (5 V) Dead battery mode support Integrated V switch gate drivers (PMOS) BUS Integrated V voltage monitoring BUS Short-to-VBUS protections on CC pins High voltage capability on V pins BUS Source power budget reporting: (default / 1.5 A / 3 A) current at 5 V V powered: BUS Zero consumption on local battery or application V = 4.1 V 22 V DD Temperature range: -40 C up to 105 C ESD: 3 kV HBM - 1.5 kV CDM Certified: USB Type-C rev 1.4 Power sinking device (TID 1455) Applications Product status link Printers, camcorders, cameras STUSB4500L IoT, drones, accessories and battery powered devices Computer accessories (keyboards, mouse) Product summary Toys, gaming, POS, scanner, LED lighting STUSB4500LQTR Healthcare, e-cigarettes, handheld devices Order code STUSB4500LBJR 5 V DC barrel, USB STD-B and micro-B replacement Any 5 V Type-C sink device Standalone USB Description Type-C controller (auto-run mode) Description QFN-24 EP (4x4) Package The STUSB4500L is a USB Type-C controller that addresses 5 V-only sink devices WLCSP-25 (2.6x2.6x0.5) up to 3 A (15 W max.). Marking 4500L This device supports dead battery mode and is suited for sink devices powered from dead battery state. It is able to operate without any external software support for quick application power-on and immediate charging process start. At type-C connection, the STUSB4500L seeks CC pin for SOURCE termination and monitors V voltage in order to protect the application from an incorrect SOURCE operation. BUS When V is within the appropriate range, the STUSB4500L powers the application BUS by closing the input switch. The available current advertised by the SOURCE is reported to the application in order to align the sinking current. Port status can be optionally monitored by the software through IC interface. Thanks to its 20 V technology, it implements high voltage features to protect the CC pins against short-circuits to V . BUS DS13102 - Rev 5 - June 2021 www.st.com For further information contact your local STMicroelectronics sales office.STUSB4500L Functional description 1 Functional description The STUSB4500L is a USB Type-C IC controller addressing 5 V sink applications. It supports dead battery mode to allow a system to be powered from a V power source directly. BUS The STUSB4500L major role is to: 1. Detect the connection between two USB Type-C ports (attach detection) 2. Establish a valid source-to-sink connection 3. Identify the attached device: source or debug accessory 4. Resolve cable orientation and twist connections to establish USB 3 data routing (MUX control) if any 5. Configure the incoming V power path BUS 6. Monitor the V power path BUS 7. Report the available power advertised by the source 8. Handle the high voltage protections The STUSB4500L also provides: Dead battery mode Internal and/or external V discharge paths BUS Debug accessory mode detection Customization of the device configuration through NVM to support specific applications 1.1 Block overview Figure 1. Functional block diagram VDD VBUS VS DISCH voltage VSYS Internal monitoring VREG 2V7 supply Discharge VBUS status path VREG 1V2 VBUS EN SNK DISCH A B SIDE ADDR 1..0 Port C controller SCL IC CC1DB SDA slave CC CC1 line ALERT CC2 access CC2DB ATTACH RP 3A RP 1A5 Control GPIO RESET POR GND DS13102 - Rev 5 page 2/32