High-Voltage Switcher ICs Now Certified for Automotive Use

Date
07/01/2020

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High-reliability, space-saving buck/flyback switcher ICs target 400 VDC EV applications

Power Integrations announced an AEC-Q100-qualified version of its LinkSwitch-TN2 switcher IC for buck or non-isolated flyback applications. Featuring an integrated 750 V MOSFET, the new automotive-qualified LinkSwitch-TN2 IC provides simple and reliable power for EV sub-systems connected to the high-voltage bus, including HVAC, climate control, battery management, battery heater, DC-DC converter and on-board charger systems. The surface-mount device requires no heatsink, needs few external components and occupies a very small PCB footprint.                                         

The 7 W (flyback) / 360 mA (buck) LinkSwitch-TN2 has a wide input voltage range of 60 VDC to 550 VDC, efficiently supporting the 400 VDC bus commonly seen in electric vehicle applications. The new power supply IC provides accurate regulation of better than +/-5% across line voltage, load, temperature and component tolerances. 

Samples of the LNK3206GQ automotive-qualified LinkSwitch-TN2 IC are available now with prices starting at $0.84 in 10,000-piece quantities. Datasheet and reference design documentation is available from the Power Integrations website.

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