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USB IC speeds in-vehicle connectivity

March 17, 2019

Susan Nordyk-March 17, 2019

Microchip’s automotive-qualified USB7002 USB 3.1 Gen 1 SmartHub IC offers 10 times faster data rates than existing USB 2.0 devices and reduces indexing times to improve user experience in vehicles. Further, the device provides interfaces for USB Type-C connectors to support the adoption of USB Type-C in smartphones and to enable universal connectivity in vehicles.

The USB7002 SmartHub has four downstream ports and one upstream port. It supports 5 Gbps Super-Speed (SS), 480 Mbps Hi-Speed (HS), 12 Mbps Full-Speed (FS), and 1.5 Mbps Low-Speed (LS) USB downstream devices on all enabled downstream ports. I/O bridging allows the host to seamlessly interface with peripherals via I 2 C, SPI, or GPIOs over USB. The hub controller allows a downstream device to take control of the host system by swapping roles and becoming the host port. The USB7002 can also switch between two different hosts if required.

In addition, the USB7002 provides downstream battery charging. Integrated battery charger detection circuitry supports USB-IF Rev. 1.2 charging profiles (DCP, CDP, and SDP), as well as custom profiles loaded via SPI EEPROM or OTP. The part comes in a 100-pin, 12×12-mm VQFN and operates over a temperature range of -40°C to +85°C.

Prices for the USB7002-I/KDXVA0 AEC-Q100 Grade 3 qualified SmartHub controller start at $4.05 in volume production quantities.

USB7002 product page

Microchip Technology, www.microchip.com

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>> This article originally appeared on our sister site, EDN: "Automotive hub IC handles 5 Gbps transfers."

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