DPO2036 4-CH OVER-VOLTAGE PROTECTION FOR CC/SBU PINS ON USB TYPE-C Description Pin Assignments The DPO2036 provides 4 channels of over-voltage protection over the CC1/2 & SBU1/2 pins which are connected to the USB Type-C (Top View) connector. The 4 channels are divided into two pairs, one pair of channels protect the CC1 and CC2 pins from being shorted to the V , one pair of channels protect the SBU1 and SBU2 pins from BUS being shorted to the V . Whenever the voltage threshold set for any BUS of the two pairs of channels is reached, the exception condition SBU1C 1 10 SBU1S becomes valid and the low-active flag FAULTB is subsequently asserted. SBU2C 2 9 SBU2S Thermal Pad This device is designed to draw its operating voltage primarily from the system power, V , which is either the always-ON 3.3V/5V CC1C 3 8 CC1S VSYS existed within the system or the 1-cell battery inside the mobile system. Under the circumstance when the battery inside a mobile CC2C 4 7 CC2S system is fully depleted, DPO2036 can obtain power from the external peripheral system connected to the USB Type-C connector. The DPO2036 supports the dead battery mode by having both of the CC1C and CC2C pins tied to the pull-down resistor R (resistor value D per the USB Type-C Specification) embedded in the device. U-QFN2020-12 (Type B) The DPO2036 is housed in the low-profile and space-saving U- QFN2020-12 (Type B) package which is manufactured with environmental-friendly material. Applications Features Notebook/Desktop/AIO PCs, Tablets, Mobile Phones Operating Voltage Range: 2.7V to 5.5V VR/AR Headsets 4-Channel Over-Voltage Protection with Auto-Recovery Docking Stations, Universal & Multimedia Hubs RDS(ON) of OVP MOSFET for CC-Pin Protection: 350m Typical FPTVs, PC Monitors RDS(ON) of OVP MOSFET for SBU-Pin Protection: 5 Typical Set-Top-Boxes, Residential Gateways, Storage Devices CIN of OVP MOSFET for CC-Pin Protection: 50pF Universal AC/DC Chargers/Adapters CIN of OVP MOSFET for SBU-Pin Protection: 5pF Dead Battery Support for CC Lines Built-In Over-Temperature Protection IEC61000-4-2 ESD Protection on CC1C, CC2C, SBU1C, SBU2C Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. Green Device (Note 3) For automotive applications requiring specific change control (i.e. parts qualified to AEC-Q100/101/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or your local Diodes representative. USB Type-C Receptacle DPO2036 Typical Application Circuit VCC CSYS 1F 1uF 12 11 GND VSYS VSBU1C 1 10 VSBU1S SBU1 SBU1 SBU1C SBU1S To system VSBU2C 9 2 VSBU2S SBU2 SBU2C SBU2S SBU2 DPO2036 3 8 VCC1C VCC1S CC1S CC1 CC1 CC1C USB PD controller 7 VCC2C 4 VCC2S CC2 CC2C CC2S CC2 CB FAULTB VCC R FAULT 5 6 10k Figure 1. Typical Application Circuit Pin Descriptions Pin Number Pin Name Function SBU1C SBU1 connector side. This shall be connected to the SBU1 pin of the USB Type-C connector. 1 SBU2C SBU2 connector side. This shall be connected to the SBU2 pin of the USB Type-C connector. 2 CC1C CC1 connector side. This shall be connected to the CC1 pin of the USB Type-C connector. 3 CC2C CC2 connector side. This shall be connected to the CC2 pin of the USB Type-C connector. 4 CB Pin for ESD support capacitor. Place a 0.1F capacitor on this pin to ground 5 FAULTB Fault status. This is an active-low open-drain output. 6 CC2S CC2 system side. This shall be connected to the CC2 pin of the component to be protected. 7 CC1S CC1 system side. This shall be connected to the CC1 pin of the component to be protected. 8 SBU2S SBU2 system side. This shall be connected to the SBU2 pin of the component to be protected. 9 SBU1S SBU1 system side. This shall be connected to the SBU1 pin of the component to be protected. 10 GND Ground. 11 VSYS Power Input. This shall be connected to the 2.7 to 5.5V power source inside the system. 12 Thermal Pad Need to connect pad to the PCB ground plane. It serves as a heatsink. 2 of 14 July 2020 DPO2036 Diodes Incorporated www.diodes.com Document number: DS40644 Rev. 2 - 2