Microchip's reference design for wireless Qi-2.0 dual pad charging current transmitter

Components Microchip's reference design for wireless Qi-2.0 dual pad charging current transmitter

2024-03-21 Source: Press release | Translated by AI 1 min Reading Time

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Microchip Technology has introduced a reference design for a wireless Qi-2.0 dual pad charging current transmitter to implement the wireless charging standard Qi v2.0. The reference design is powered by a dsPIC33 digital signal controller.

Microchip offers a reference design for a wireless Qi-2.0 dual pad charging current transmitter, which is used by the automotive industry to implement the wireless charging standard Qi v2.0.(Image: Microchip) — Microchip offers a reference design for a wireless Qi-2.0 dual pad charging current transmitter, which is used by the automotive industry to implement the wireless charging standard Qi v2.0.
(Image: Microchip)

The Qi2 reference design helps to minimize the risk in certifying end products that must undergo the Qi certification process. Since the dual-pad charger includes several components from Microchip that are qualified for the automotive industry, it meets the automotive standards for reliability and safety. The hardware and software solution, suitable for vehicles, enables easier integration into them – with support for AUTOSAR and the AUTOSAR Microcontroller Abstraction Layer Architecture (MCAL) as well as functional safety. An integrated CryptoAuthentication IC provides security to meet the authentication requirements of the Qi standards.

Design files and software included

As part of the reference design, the semiconductor manufacturer provides design files and software that ensure easy design and a successful first run. The design includes the dsPIC33 Digital Signal Controller (DSC) and a secure TA100/TA010 Trust Anchor memory subsystem provided by Microchip as a licensed manufacturer (WPC Manufacturer Certificate Authority). Moreover, the design also includes Microchip's CAN Transceiver ATA6563, the Gate Drivers MCP14700, and regulators MCP16331 and MCP1755.

A key feature of the new Qi2 standard, recently released by the Wireless Power Consortium (WPC), is the introduction of a Magnetic-Power-Profile (MPP) with support for magnetic alignment between the transmitter and receiver. The flexible software architecture of the DSC enables support for a combination of MPP and Extended Power Profile (EPP) from Qi 2.0 with a single controller. (se)

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