Next-gen USB-C controller supports PD3.0, fast charging

Next-gen USB-C controller supports PD3.0, fast charging

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Cypress Semiconductor (San Jose, CA) has launched the next generation of its USB-C controller with Power Delivery (PD) 3.0 and fast charging that streamlines the design of power adaptors, mobile chargers, car chargers and power banks.
By Rich Pell

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Cypress has been among the first to deliver USB-C controllers with the CCG family. The EZ-PD CCG3PA controller supports the PD 3.0 standard with programmable power supply (PPS) and Qualcomm’s Quick Charge (QC) 4.0 protocol, which enable power designs to provide fast charging.

As these standards and the USB Type-C standard continue to evolve, compliance and interoperability pose an ongoing challenge, but the programmable CCG3PA controller enables firmware upgradeability to keep up with changes and overcome interoperability issues.

The controller integrates error amplifiers for constant voltage, constant current and PPS applications, a 30 V regulator that allows direct operation from VBUS, VBUS short protection on configuration channel (CC) pins, gate drivers for high-voltage power FETs, a low side current sense amplifier, and dedicated hardware for legacy charger detection protocols plus system level electrostatic discharge (ESD) protection.

Programmable overvoltage and overcurrent circuitry protects systems against power overloads and other faulty operating conditions. The controller also integrates an ARM Cortex-M0 and 64KB Flash with read-while-write function for firmware upgrades, and supports Downstream Facing Port (DFP), Upstream Facing Port (UFP), and Dual Role Port (DRP).

“As USB-C proliferates this year, the demand for USB-C power sources will increase, putting more pressure on our customers to bring their power adapters, mobile chargers, car chargers and power banks to market quickly, while keeping up with rapidly evolving USB standards,” said Ajay Srikrishna, vice president of Cypress’ Wired Connectivity Business Unit. “Our highly-integrated EZ-PD CCG3PA controller is optimized to simplify the design of USB-C power source products, with support for the required charging standards, and the ability to upgrade firmware to keep pace with changes in standards.”

The controller is sampling now in 24-pin QFN (16 mm2) and 16-pin SOIC (60 mm2) packages. The controller will be in production in the third quarter of 2017.

Designers can get started with the CY4532 CCG3PA evaluation kit, which is now available for $149. Cypress provides CCG3PA solution reference designs for a 45W notebook PC power adapter, a 27W mobile phone charger, a 60W car charger and a power bank.

More information on the EZ-PD CCG3PA controller is available at www.cypress.com/ccg3pa. 

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