Rohm Breadcrumb

Rohm Productdetail

Capacitive Switch Controller IC - BU21170MUV

BU21170MUV is a capacitive sensor controller for switch operation. BU21170MUV has five sensors and provides the simple switch function by each sensor. If external noise and temperature drift are detected, the automatic self-calibration is operated. Include LED controller with PWM function.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number | BU21170MUV-E2
Status | Active
Package | VQFN020V4040
Unit Quantity | 2500
Minimum Package Quantity | 2500
Packing Type | Taping
RoHS | Yes

Specifications:

Vcc(Min.)[V]

3.0

Vcc(Max.)[V]

5.5

Sensor input channels

5

Interface

I2C

Operating Temperature (Min.)[°C]

-25

Operating Temperature (Max.)[°C]

85

Features:

  • 5 capacitive sensor ports.
  • Automatic self-calibration.
  • Continued touch detection.
  • LED controller with PWM function.
  • Inform the detected result of switch operation by interrupt.
  • 2-wire serial bus interface.
  • Single power supply.
  • Built-in Power-On-Reset and Oscillator.