CH7217A overview
CH7217A is a component documented by Chrontel, Inc. The PDF description identifies it as "CH7217A USB Type-C DP Alt Mode to HDMI 2.0 Converter with PD 3.0 Controller Rev 1.2 2022-12-30." This guide condenses the most useful engineering information from the available PDF so that designers and sourcing teams can identify the checks that still need confirmation in the original document.
Datasheet snapshot
- Manufacturer: Chrontel, Inc.
- Part number: CH7217A
- Category: Interface
- Datasheet length: 9 Pages
Specifications and operating details
The following points were extracted from the PDF text. Check the associated conditions, notes and limits in the complete document before using a value in a design.
- In the device’s receiver block, which supports four DisplayPort Main Link Lanes input with data rate running at 1.62Gbps, 2.7Gbps , 5.4Gbps or 8.1Gpbs, and converted the input signal to HDMI output up to 4Kx2k@60Hz.
- The CH7217A also supports up to 8 -channel audio input from either DP Rx or SPDIF /IIS port and output from HDMI Tx with sample rate up to 192 KHz.
- Available audio bandwidth depends on the pixel clock frequency, the video format timing, and whether or not content protection re-synchronization is needed.
- An external 3.3V CMOS compatible clock also can drive the XI Input A parallel resonance crystal should be attached between this pin and XI / FIN.
- However, if an external CMOS clock is attached to XI/FIN, XO should be left open 5,6 In/Out USB_DN/ USB_DP D+/- Input of USB Type C Interface 7,8 RESERVED RESERVED Pins Voltage input 0 ~ 5V When this pin is low, the device is held in the p.
- In VCONN_DET USB VCONN Voltage Detection Voltage input 2.7 ~ 5.5v When used in typeC accessory mode, this pin needs connect to CC0.
- This pin requires a pull-up 1.8 kΩ resistor to the desired voltage level The pin should be connected to clock signal of HDMI DDC.
Topics covered by the datasheet
The document includes sections related to:
- ORDERING INFORMATION
Engineering review checklist
- Confirm supply rails, clock limits, memory size, peripheral mapping and I/O voltage compatibility.
- Check package pinout, boot configuration, programming interface and silicon-revision errata.
- Budget decoupling, thermal margin, startup timing and firmware recovery behavior before release.
Always confirm values against the latest manufacturer-controlled datasheet, especially when qualifying a substitute or releasing a production BOM.
View the complete PDF and model record
Open the CH7217A datasheet and model details to review the complete PDF, document pages and available product information.
Source attribution
Adapted from the PDF associated with this DigiCamel model page.
Source model URL: https://www.digicamel.com/product.php?slug=ch7217a-chrontel-inc