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ON Semiconductor FUSB303TMX, USB Power Switch, USB, 4 V min. 12-Pin, QFN

4800 In stock - FREE next working day delivery available
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RS Stock No.:
Mfr. Part No.:
ON Semiconductor
UnitsPer unitPer Pack*
50 - 50£0.361£18.05
100 - 950£0.295£14.75
1000 - 1950£0.241£12.05
2000 - 2450£0.222£11.10
2500 +£0.206£10.30
*price indicative

The FUSB303 device is a fully autonomous USB Type−C™ controller optimized for 15 W or less applications. The FUSB303 offers CC logic detection for Source Port role, Sink Port role, DRP, and accessory detection support, as well as Dead Battery support as defined in USB−C specifications. The FUSB303 features configurable address I2C access to support multiple ports per system or it can operate autonomously configured by just pins.

Fully Autonomous USB−C™ Port Controller
Supports Latest Type−C™ Specification Release 1.3
Source, Sink, and DRP Port role Configuration with Optional Accessory Support
Try.SRC and Try.SNK modes for Preferring Source Role or Sink Role Respectively
VDD Operating Range, 2.85 V − 5.5 V
Typical Low Power Operation: ICC < 10μA
GPIO and I2C Configuration
Max 28 V DC Tolerance on ID, VBUS_DET, CC1 and CC2
Dead Battery Support (Sink Port role when No Power Applied)
4 kV HBM ESD Protection for Connector Pins

Switch TypeUSB
Number of Outputs1
Mounting TypeSurface Mount
Package TypeQFN
Pin Count12
Dimensions1.65 x 1.65 x 0.35mm
Maximum Input Voltage22 V
Maximum Operating Temperature+85 °C
Minimum Input Voltage4 V
Minimum Operating Temperature-40 °C