Electronic Products & Technology

Single-chip high-voltage driver reduces board space

Stephen Law   

Electronics Semiconductors chip driver MEMs

MENLO MICRO  MM101 8-channel, low-voltage to high-voltage driver with an integrated charge pump provides a cost-effective solution for microelectromechanical system (MEMS) devices and other high-voltage driving applications in a highly integrated form factor. Built as a companion to firm’s Ideal Switch products, device provides up to eight drive outputs, programmable from 80V or 90V, in a miniature 5mm x 5mm 32-pin QFN or WLCSP flip-chip package powered with 5V charge pump and 3.3V driver circuit supply sources. Device features selectable communication interfaces (SPI, GPIO) with up to 33 MHz SPI clocking speed, enabling SPI to be configured in a daisy-chain mode. In addition, the driver’s communication interface supports interface fault indicators, power-on-reset, power ON/OFF sequence control, and under-voltage protection for charge pump and supply voltage. Product’s highly integrated driver design reduces board layout space and BOM costs when compared to the industry’s common multi-chip, high-voltage driver solutions for controlling MEMS devices.

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