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ON Semiconductor Introduces Smallest 65W USB-PD Adapter Solutions That Makes Use Of Standard Super Junction FETs

By Shreepanjali Mod

One of the most innovative semiconductor supplier, ON Semiconductors recently came up with an advanced solution for high density, best-in-class power adapter empowering tablets, notebooks, and other portable devices that need to set compatibility with Qualcomm Quick Charge™  or USB Power Delivery specifications. The new solution is a more developed one as it includes multiple pending patents, it is constituted by half-bridge, high-speed drivers known as the NCP51530. This led to development of a 65W USB-PD compliant adapter that has power density of 30W/in^3 with an operating efficiency of 94.5%. 
 
The NCP1568 is integrated with AC-DC Pulse Width Modulation (PWM) controller that includes an ACF topology, along with (ZVS) Zero Voltage Switching for applications that are used on higher frequency. Most of these applications need high level of efficiency and power density. Furthermore, the NCP1568 controller is capable of implementing ACF topology with well proven SJ (Super Junction) FETs as well as with high performance GaN ( Gallium Nitride) FETs. 
 
The inclusion of high voltage start-up ensures availability of a solution based on NCP1568 needs some external parts to bring down power consumption on standby mode. Apart from this, higher frequency of operations also allows to brings down the size of passive component and also enhances the power density dramatically. 
 
The Director of Marketing and Applications for the AC-DC Business Group for ON Semiconductor, Ryan Zahn, adds, “This solution represents a significant step forward in design for modern power adapters and battery chargers. Advanced features and flexible operation in the NCP1568 ACF controller deliver excellent efficiency, while utilizing SJ FETs, and requiring few external components, thereby enabling high density designs to be realized for USB PD. The NCP51530 drivers are a high-speed, high-performance robust power solution that includes the option of AEC Q-100 qualification for automotive applications.”
 

Filed Under: News

 

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