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Component for USB Type-C electronically marked  cable (USB Type C Specification 1.2)
Support USB power delivery specification revision 2.0, version 1.3 and USB power delivery specification revision 3.0, version 1.1*
Patent pending circuit to support USB power delivery specification BMC cable plug RX mask requirement
On chip programmable embedded flash to support customer specific VDOs
On-chip clock generation
Low BOM cost, no external components required
Low power consumption –below 7.5mA
Offered in TSOT and DFN packages
ESD +/-8kV for Human Body Model (HBM), +/-500V for Charged Device Model (CDM)
*Note: only support basic functions for USB power delivery revision 3.0


The CH7231 supports the USB Type-C Electronically Marked Cable (E-Marker). The device is designed to follow the USB Type-C Specification 1.1 and the USB Power Delivery Specification Revision 2.0, Version 1.1. The CH7231 is a low cost semiconductor device and can help the cable manufacturer easily enabling the USB Power Delivery feature required by USB Type-C E-Mark cable. In order to reduce the cost of the cable material, The CH7231 integrates all necessary components and circuits, such as LDO, clock generation, isolation circuit, Ra, etc. The on-chip embedded flash allows cable to store VDOs commands specified by the Power Delivery specification that to be used for communication between provider and consumer.

Structure diagram

Data sheet

Application Desc

PCB Layout and Design Considerations for CH7231 AN-118 r2.0

Technical Report





Part Number    
Package Type   
Number of Pins    
Quantity      Temperature  Grade
CH7231A-EF-TR TOST23-5
5 3K/reel MOQ     Commercial/Automotive Grade 4
                6 3K/reel MOQ     Commercial/Automotive Grade 4




About Chrontel Overview Chrontel, headquartered in San Jose, California, is a privately-held company with over 130 employees worldwide. Incorporated in 1986, the company develops and markets mixed-signal integrated circuits for the PC, display and consumer mark...


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