austriamicrosystems announces its AS3658 integrated power and audio management unit with sophisticated audio features. It is suitable for portable navigation devices, portable media players, smart phones, PDAs and a range of other battery powered handheld devices. The unit offers an integrated system for power supply generation, monitoring and battery management including charging. The charger can manage up to 1.6 A charging current, appropriate for fast charging of large batteries. The programmable power management functions of the unit extend battery life with DC/DC efficiencies higher than 90%. The IC provides three DC/DC step-down converters, two DC/DC step-up converters, three low noise LDOs that are suitable for RF applications, four digital LDOs, a low noise charge pump and a flexible backlight driver supporting a range of display sizes.
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