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Home >> Products >> I/O Connectivity ICs >> EL Drivers >> ZSP4491

ZSP4491 -- Two Panel Electroluminescent Lamp Driver

The ZSP4491 electroluminescent lamp driver provides designers of cell phones PDA’s and other handheld, portable electronic devices with an integrated solution for driving two EL lamps independently or concurrently. The ZSP4491 is designed with our proprietary high voltage BiCMOS technology. The ZSP4491 reduces system cost, component count and board space requirements over a discrete 2-EL driver approach. The EL lamps operate in opposite phase so the ZSP4491 can be easily implemented in applications driving multi-color or multi-segment EL lamps. The ZSP4491 operates from a +2.2V to +5.0V battery source. The device features a low power standby mode which draws less than 1mA. The frequency of the internal oscillator is set using a single external resistor. A single external inductor is required to generate the high voltage AC outputs to drive the EL lamps. All input pins are ESD protected with internal diodes to V _DD and V_SS.