Power and Audio Management Unit

Austriamicrosystems announces the product launch of its AS3658, a power and audio management unit with audio features. AS3658 offers an integrated solution for power supply generation, monitoring and battery management including charging. The charger can manage up to 1.6A charging current. USB, linear and step-down charging is available and supported by the battery isolation feature.

 The IC provides three DC/DC step-down converters, two DC/DC step-up converters, three LDOs suitable for RF applications, four digital LDOs, a charge pump and a backlight driver supporting a wide range of display sizes. AS3658 at the same time offers audio functions with a 18 bit audio DAC, a 16 bit audio ADC, a 5 band equalizer as well as headphone amplifiers, line-outputs, line-inputs, microphone inputs, audio mixer and several analog and digital audio interfaces.

 Moreover, a real time clock, 10 bit general purpose ADC and a touch screen interface are integrated to complete the feature set of AS3658. Due to customizable PROM programmable startup sequences the IC matches a wide variety of application processors.

 AS3658 is available in a BGA124, 8x8 mm, 0.5mm pitch package and is specified for -40° to +85°C ambient temperature.