WPG Group launches 65W high power density power solution based on Infineon products

On September 5, 2024, WPG Holdings, a leading international semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary Pinjia launched a 65W high power density power solution based on Infineon CYPAP212A1-14SXI and CYPAS212A1-32LQXQ.

Figure 1-Demonstration board of WPG's 65W high power density power solution based on Infineon products

Currently, consumers' increasing requirements for the performance of electronic devices are driving the rapid iteration and innovation of PC applications. In this process, users not only expect devices to have high computing power, but also have higher requirements for power efficiency, portability and charging speed. In response to this trend, WPG launched a 65W high power density power solution based on Infineon CYPAP212A1-14SXI and CYPAS212A1-32LQXQ, which can achieve efficient energy conversion and optimize the size and weight of the power module.

Figure 2-Application scenario of 65W high power density power solution of WPG based on Infineon products

CYPAP212A1-14SXI (EZ-PD™ PAG2P) is a primary high-voltage startup controller that integrates a series of functions that can improve system performance, including high-voltage startup, PET receiver, low-side NFET gate driver, logic level gate driver, fault protection, etc. The device has a built-in x-cap discharge function and Vcc boost converter to support high-frequency operation applications, thereby improving the overall power density.

CYPAS212A1-32LQXQ is an integrated secondary controller with built-in SR and PD controllers, which can achieve high functional integration and reduce material costs. In addition, the device not only supports the USB PD 3.1 PPS specification to ensure wide device compatibility, but is also compatible with fast charging standards such as BC 1.2, Apple charging and QC 5.0 to meet various design needs of users.

Figure 3-Block diagram of WPG's 65W high power density power solution based on Infineon products

This 65W high power density power solution adopts high-frequency ACF power architecture and integrates SR and PD functions simultaneously, which can provide customers with a highly integrated reference design, and also caters to the trend of high efficiency and miniaturization of modern PC power supplies. In addition, the solution also complies with the EuP Lot6 specification and low standby power consumption requirements, and has excellent energy-saving characteristics.

Core technology advantages:

CYPAP212A1-14SXI:

• Built-in high-voltage starting function to reduce starting time;

• Use secondary side control signal to achieve stable output voltage;

• Achieve ZVS and optimize efficiency by controlling the on time of the high-side MOSFET.

• Built-in x-cap discharge function, which can comply with IEC62368 standards;

• Can support high-frequency operation applications and improve product power density;

• Built-in Vcc boost converter function.

CYPAS212A1-32LQXQ:

• Built-in SR and PD controllers to achieve highly integrated product applications;

• At the same time, the PWM signal is fed back to the primary side power controller;

• Supports PD 3.1 PPS specification;

• Can simultaneously support BC 1.2, Apple charging and QC 5.0 standards;

• Supports upgrading the sub-version through CC lines.

Program Specifications:

• 65W USB-C PD adapter;

• Input voltage 90Vac ~ 264Vac / 50Hz ~ 60Hz;

• Support PD 3.1 EPR solution;

• The USB-PD 3.0 output range is 5V ~ 20V;

• Primary side CYPAP212: ACF controller;

• Secondary side CYPAS212: USB PD + synchronous rectification (SR) controller;

• Meets DoE level VI energy efficiency standards;

• Low standby power consumption <30mW;

• The power density is 32W/in³.