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Pushbutton controller features state memory

Posted: 02 Sep 2008     Print Version  Bookmark and Share

Keywords:on/off controller  pushbutton  debounce circuitry  ESD protection 

MAX16054

Maxim Integrated Products introduces the MAX16054, a pushbutton on/off controller with debounce circuitry and ±15kV ESD protection. This device features state memory that causes the output state to latch after the switch is released/opened, thereby allowing normally open switches to act as on/off switches. Enabling simpler, lower-cost switches with on/off capability, the MAX16054 is ideal for handheld devices, portable electronics, set-top boxes, portable instrumentation, and white goods.

The MAX16054 is a highly durable device designed to withstand harsh operating conditions. Its integrated switch-debounce circuitry allows the device to accept a noisy input from a mechanical switch and produce a clean, latched digital output signal. This increases reliability and reduces design time compared to alternate solutions. To further increase reliability, the MAX16054 is rated to withstand up to ±15kV of ESD, providing essential protection for applications involving an end-user interface. Moreover, the switch's input features over-voltage clamping diodes that allow the device to handle voltage swings of ±25V to ground.

The MAX16054 consumes only 7µA of quiescent current. It is available in a small, 6-pin thin-SOT23 package, and is fully specified over the -40°C to +125°C automotive temperature range.





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