Power Integrations introduces InnoSwitch4-CZ flyback switcher ICs for a new class of mobile charging devices 25th May 2021 Power Integrations Introduces InnoSwitch4-CZ Flyback Switcher ICs for a New Class of Mobile Charging Devices. ANTARA/Business Wire Anker selects zero voltage switching InnoSwitch4-CZ ICs with PowiGaN technology for new ultra-compact 30, 45 & 65 W USB-C Nano II charger series San Jose, Calif.--(Antara/Business Wire)- Power Integrations (Nasdaq: POWI), the leader in high-voltage integrated circuits for energy-efficient power conversion, today announced the InnoSwitch™4-CZ family of high frequency, zero voltage switching (ZVS) flyback switcher ICs. InnoSwitch4-CZ devices incorporate a robust 750 V primary switch using Power Integrations’ PowiGaN™ technology and a novel high frequency active clamp flyback controller to facilitate a new class of ultra-compact chargers suitable for phones, tablets, and laptops. The first consumer devices based on InnoSwitch4-CZ devices were introduced earlier today by Anker, the global charging experts for mobile devices, through a YouTube Live event which can be accessed here.