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Power Integrations’ New MinE-CAP IC Reduces Volume of AC-DC Converters by Up to 40%

Power Integrations’ New MinE-CAP IC Reduces Volume of AC-DC Converters by Up to 40%

Novel MinE-CAP device dramatically reduces the input bulk capacitor size, reduces in-rush current by up to 95%, eliminates NTC thermistors and associated losses

Power Integrations (Nasdaq: POWI), the leader in high-voltage integrated circuits for energy-efficient power conversion, today announced the MinE-CAP™ IC for high power density, universal input AC-DC converters. By halving the size of the high-voltage bulk electrolytic capacitors required in offline power supplies, this new type of IC enables a reduction in adapter size of up to 40%. The MinE-CAP device also dramatically reduces in-rush current making NTC thermistors unnecessary, increasing system efficiency and reducing heat dissipation.

Comments Power Integrations’ product marketing director, Chris Lee: “The MinE-CAP will be a game-changer for compact chargers and adapters. Electrolytic capacitors are physically large, occupy a significant fraction of the internal volume and often constrain form factor options – particularly minimum thickness – of adapter designs. The MinE-CAP IC allows the designer to use predominantly low voltage rated capacitors for a large portion of the energy storage, which shrinks the volume of those components linearly with voltage. USB PD has driven a major market push towards small 65 W chargers and many companies have concentrated on increasing switching frequency to reduce the size of the flyback transformer. MinE-CAP provides more volume saving than doubling the switching frequency, while actually increasing system efficiency.”

Conventional power conversion solutions reduce power supply size by increasing switching frequency to allow the use of a smaller transformer. The innovative MinE-CAP IC achieves just as significant overall power supply size reduction while using fewer components and avoiding the challenges of higher EMI and the increased transformer/clamp dissipation challenges associated with high-frequency designs. Applications include smart mobile chargers, appliances, power tools, lighting and automotive.

Said Bhaskar Thiagaragan, Director of Power Integrations India Ltd.: “MinE-CAP ICs are excellent for all locations with wide ranging input voltages. In India we often design for voltages from 90 VAC to 350 VAC, with a generous surge de-rating above that. Engineers here often complain about the forest of expensive high-voltage capacitors required. MinE-CAP dramatically reduces the number of high-voltage storage components, and shields lower voltage capacitors from the wild mains voltage swings, substantially enhancing robustness while reducing system maintenance and product returns.

Housed in the miniature MinSOP-16A package, the new devices work seamlessly with Power Integrations’ InnoSwitch™ family of power supply ICs with minimal external components. MinE-CAP MIN1072M ICs are available immediately from PI offices and franchised distributors and are priced at $1.75 for 10 Ku. Two initial design example reports (DERs) pair the MinE-CAP IC with Power Integrations’ InnoSwitch3-Pro PowiGaN IC, INN3370C-H302. A 65 W USB PD 3.0 power supply with 3.3 V – 21 V PPS output for mobile phone / laptop chargers is described in DER-626, and DER-822 describes a 60 W USB PD 3.0 power supply for USB PD/PPS power adapters using INN3379C-H302.

Learn more about the family and download the reference designs at the Power Integrations website: https://www.power.com/products/MinE-CAP.

2020103001 / 30.10.2020 / Komponenty elektroniczne / Power Integrations /

Power Integrations’ New MinE-CAP IC Reduces Volume of AC-DC Converters by Up to 40%
Power Integrations’ New MinE-CAP IC Reduces Volume of AC-DC Converters by Up to 40%
Novel MinE-CAP device dramatically reduces the input bulk capacitor size, reduces in-rush current by up to 95%, eliminates NTC thermistors and associated losses
.....
Power Integrations Demonstrates Continued Industry Leadership as InnoSwitch IC Sales Surpass One Billion Units
Newest GaN-based devices provide up to 100 W of power and support applications from USB PD adapters to auxiliary power supplies for appliances
.....
Power Integrations Demonstrates Continued Industry Leadership as InnoSwitch IC Sales Surpass One Billion Units
Power Integrations Targets Compact Smart-Lighting Designs With Highly Efficient GaN-Powered LYTSwitch-6 LED Drivers
Power Integrations Targets Compact Smart-Lighting Designs With Highly Efficient GaN-Powered LYTSwitch-6 LED Drivers
Enables dimmable 90 W LED ballasts in an isolated flyback topology following a boost Power Factor Correction (PFC) stage
.....
Power Integrations Releases Highly Integrated InnoSwitch3 Flyback Switcher IC for Automotive BEV and PHEV Applications
InnoSwitch3-AQ achieves Q100; operates efficiently from 30 V to 550 V DC input
.....
Power Integrations Releases Highly Integrated InnoSwitch3 Flyback Switcher IC for Automotive BEV and PHEV Applications
LinkSwitch-TN2 High-Voltage Switcher ICs from Power Integrations Now Certified for Automotive Use
LinkSwitch-TN2 High-Voltage Switcher ICs from Power Integrations Now Certified for Automotive Use
High-reliability, space-saving buck/flybackswitcher ICs target 400 VDC EV applications
.....
Power Integrations’ GaN Technology Increases Output Power of High-Efficiency Display PSUs to 75 W
Power Integrations announced that its InnoSwitch™3-MX isolated switcher IC family has been expanded with the addition of three new PowiGaN™ devices. As part of a chipset with Power Integrations’ InnoMux™ controller IC, the new switcher ICs now support display and appliance power supply applications with a continuous output power of up to 75 W without a heatsink.
.....
Power Integrations’ GaN Technology Increases Output Power of High-Efficiency Display PSUs to 75 W
Power Integrations’ SCALE-iDriver for SiC MOSFETs Achieves AEC-Q100 Automotive Qualification
Power Integrations’ SCALE-iDriver for SiC MOSFETs Achieves AEC-Q100 Automotive Qualification
Compact and robust isolated SiC MOSFET driver incorporates active clamping and <2 µs short-circuit turn-off time
.....
Power Integrations Expands Range of InnoSwitch3 ICs Incorporating Robust 750 V GaN Transistors
PowiGaN technology permits manufacture of 94% efficient power supplies suitable for regions with frequent brown-outs and line surges
.....
Power Integrations Expands Range of InnoSwitch3 ICs Incorporating Robust 750 V GaN Transistors
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