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FUSB3317 is a highly integrated USB Power Delivery (PD) power

Source controller for USB−C that implements all functionality of USB

Power Delivery 3.1 (PD) and Type−C 2.0 including Programmable

Power Supplies (PPS). The FUSB3317 directly interfaces with a

DC−DC regulator saving the cost of a load switch FET.

FUSB3317 supports various protections, adaptive Under Voltage

Protection (UVP), adaptive Over Voltage Protection (OVP), Over

Current Protection (OCP), CC1 and CC2 Over Voltage Protection

(CC_OVP), D+ and D− Over Voltage Protection (D_OVP), VCONN

Over Current Protection (VCONN_OCP), and internal and external

Over Temperature protection (I_TOP and E_OTP).

特性 Features

• PD 3.1 v1.0 and Type−C 2.0 Compliant

• Constant Voltage (CV) and Constant Current Limit (CL) Regulation

• Small Current Sensing Resistor (5 m) for High Efficiency

• Directly Off Automotive Battery 4 V to 45 V Operation, Iq < 100 A

• CC1/CC2/D+/D− Pin Protection Up to 27 V

• Automatically Scales Power Based on VBAT & NTC Temperature

• Resistor Divider or Battery Charging (BC1.2) CDP Mode

• Internal VDD and VCONN Generation

• Adaptive UVP, Adaptive OVP, I_OTP, E_OTP, CC_OVP, D_OVP

and VCONN_OCP Fault Detection

• 20−pin 4 mm x 4 mm QFNW (Wettable Flanks) Package

• This is a Pb−Free Device

Typical Applications

• Power Delivery Source Controller

• DC−DC Controller Interface to USB−C Connector

End Products

• Automotive USB−C Charging Only Port

• Automotive USB−C Data and Charging Port

• Mobile and Computing Multi−Port Adapters

• Industrial Charging USB PD Ports