100W USB PD wireless charger reference design from Renesas deal

Business news |
By Nick Flaherty

Renesas Electronics has completed the acquisition of Dialog Semiconductor and launched a reference design for a 100W charger.

The 100W USB PD adapter is a multi-function power delivery (PD) adapter supporting 65W maximum PD output, BC1.2 fast charging, Qi 15W wireless charging, and two 5V2.1A USB A ports. It now includes the latest Dialog high power density AC-DC chipset with a primary-side digital flyback controller and secondary side interface IC using zero voltage switching. This is combined with Renesas’ USB PD controller, MOSFETs, power factor correction (PFC) and wireless charging devices.

The deal also gives Renesas access to gallium nitride (GaN) expertise for charger designs.

“The addition of Dialog to the Renesas portfolio presents a tremendous opportunity to drive growth and cross sales in our core segments of Power Management, Analog-Mixed Signal, Connectivity, Industrial and Standard Products. Additionally, Dialog’s focus on low-power technologies will allow us to further enhance sustainability across our product portfolio.” said Sailesh Chittipeddi, Executive Vice President & General Manager of the IoT and Infrastructure Business Unit.

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“The 39 Winning Combinations represent just the beginning,” said Chris Allexandre, Senior Vice President & Head of Sales and Corporate Digital Marketing of the IoT and Infrastructure Business Unit. “As we drive collaboration among the teams, our customers should start seeing the benefits of the combined portfolio in terms of getting their own solutions to market faster.”

Other reference designs include one for In-Vehicle Infotainment (IVI) with a combination of Dialog’s PMIC and CMIC with Renesas’ automotive R-Car SoCs, buck regulators and timing ICs. Another combines Dialog’s LED backlight and haptic drivers with Renesas’ PMIC for LCD to realize an automotive display system.

Further designs combining Renesas and Dialog offerings are underway, including a Wireless Battery Management Systems (BMS) with Dialog’s Bluetooth LE IC and Renesas’ battery management ICs and MCUs.

“Dialog’s outstanding analog technologies add depth and breadth to our automotive lineup,” said Takeshi Kataoka, Senior Vice President & General Manager of the Automotive Solution Business Unit. “By combining the best of both companies’ offerings, we expect to develop innovative automotive products that reduce our customers’ development burden and time-to-market. We are offering multiple new, integrated solutions featuring Renesas and Dialog products immediately, and look forward to introducing more going forward.”

The 39 new Renesas-plus-Dialog reference designs include block diagrams, product information, and the ability to sample and buy at

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