Capacitive Switch Controller ICs - BU21079F

BU21079F is a capacitive switch controller used for operating switches. Low power consumption is achieved using the intermittent operation mode. In addition to a regular simple switch, it supports matrix switches which are arranged in the matrix sensors. If external noise and temperature drift are detected, the automatic self-calibration is activated.

Part NumberStatusPackageUnit QuantityMinimum Package QuantityPacking TypeRoHS
BU21079F-E2ActiveSOP1625002500TapingYes

BU21079F Data Sheet

Specifications
Vcc(Min.)[V]3.0
Vcc(Max.)[V]5.5
Sensor input channels8
InterfaceI2C
Matrix key4 x 4
Operating Temperature (Min.)[°C]-25
Operating Temperature (Max.)[°C]85
Applications
  • IH Cooking Heater
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