Electronic Design
PMIC Packs Four Buck Converters

PMIC Packs Four Buck Converters

The WM8321 power-management IC (PMIC) integrates four programmable dc/dc synchronous buck converters, 11 LDO regulators, and a one-time programmable memory. An InstantConfig interface allows test of multiple start-up via external EEPROM. Other features include a standby power consumption of less than 7 mA, 12-bit auxiliary ADC, secure real-time clock and alarm, and a watchdog function. Available in an 81-lead, 8 mm x 8 mm QFN package, price is $3.80 each/1,000. WOLFSON MICROELECTRONICS PLC, San Diego, CA. (858) 676-5090.


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