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SNAS491B – FEBRUARY 2010 – REVISED FEBRUARY 2018 LM48580 Boomer™ Audio Power Amplifier Series High Efficiency Class H, High Voltage,
Haptic Piezo Actuator / Ceramic Speaker Driver
1 Features 3 Description The LM48580 is a fully differential, high voltage driver
for piezo actuators and ceramic speakers for portable
multi-media devices. Part of TI’s Powerwise™
product line, the LM48580 Class H architecture offers
significant power savings compared to traditional
Class AB amplifiers. The device provides 30 VP-P
output drive while consuming just 15 mW of
quiescent power. 1 Class H Driver
Integrated Boost Converter
Bridge-tied Load Output
Differential Input
Three Pin-Programmable Gains
Low Supply Current
Minimum External components
Micro-Power Shutdown …
