FUSB251 Overview
The FUSB251 is an I2C controlled switch with over voltage protection on CC and SBU pins in Type-C interface port. The device has SPST switches on CC1/2 and SBU1/2 which enable automatically with valid VDD so that Type-C/PD controller can use the over voltage protected CC path. The FUSB251 has dead battery mode, CC pulled down with Rd, where Source device can provide Vbus for battery charging.
FUSB251 Key Features
- Dead Battery Mode Provides Default Rd Presenting on CC1/2
- 24 V DC Tolerant on CC and SBU
- ±35 V Surge Protection on CC and SBU
- Over Voltage Protection on CC and SBU
- I2C Interface with Processor with Interrupt for event Notification
- Moisture Detection on CC and SBU Pins
- On-chip IEC ESD Protection with External Capacitor on CAP Pin
- CC Ron 0.3 W Typical
- SBU Ron 3 W Typical
- 50 MHz Bandwidth on SBU Switch