USB Type-C/PD Controller IC Enables 3 A Current Delivery

14 November 2018

FTDI Chip has introduced the USB power delivery technology necessary to go beyond the powering of consumer electronics products and support the elevated current levels required by larger items of electronic equipment. The FT4233H is an advanced bridge IC with USB Type-C connectivity and USB power delivery (PD) Revision 3.0 controller capabilities — supporting applications up to 100 W.

Source: FTDI ChipSource: FTDI Chip

Through the use of the FT4233H, it will be possible to provide connected hardware (power tools, lights and household appliances) with currents reaching 3 A. All the negotiation and power gauging activities are taken care of directly via the IC’s integrated 32-bit PD Policy Engine and USB Protocol Engine elements (with no USB specific firmware programming required). This means the system microcontroller does not have to get involved in such functions and system performance is not impacted.

Supporting USB high-speed data rates (480 Mbps), the USB bridge function of this device is compatible with the quad high-speed USB to multi-purpose bridging offered by the company’s previous generation FT4232H device — including UART, I2C, JTAG, Bit-Bang or SPI via its integrated MPSSE Engine, on up to four independently controllable channels. Support of two Type-C ports is encompassed, with a configurable port that can act as either a power sink or source (or in a dual role capacity) supporting fast role swap, and the other port serving solely as a sink.

The FT4233H USB bridge IC relies on a single 3.3 V power source for both VCC and VCCIO. It is supplied in a 76-pin QFN package. An operational temperature range spanning from -40° C to 85° C is supported.

At Electronica 2018, FTDI Chip will be demonstrating at Stand 155 in Hall B5 how next-generation USB power delivery can be achieved using this ground-breaking new device.

More information is available at FTDI Chip.

To contact the author of this article, email GlobalSpecEditors@globalspec.com

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