EE Product News

EL Driver Suits Apps With 32-kHz Clock Source

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The SP4414 chip is the company's smallest, lowest-cost electroluminescent (EL) lamp driver optimized for applications utilizing a 32-kHz clock source. In place of an on-chip oscillator, the device uses an external 32-kHz clock signal to drive control signals for both coil and lamp circuitry. This feature is said to reduce die size and product cost while providing a means for precision control over coil and lamp frequencies, as well as tight performance over wide temperature ranges. The 32-kHz operation is synchronized with standard clock designs and single-cell applications. Other features include operation from 2.2V to 4.5V, a standby-mode current of less than 100 nA, and a temperature range from -40°C to +85°C. Pricing starts at $0.78 each/10,000.

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