BU21077MUV
Capacitive Switch Controller IC

BU21077MUV is a capacitive switch controller for switch operation. BU21077MUV has programmable MPU and it control the sensing sequence and how to use value of sensor. It is possible to reduce operational current with devising a sensing sequence.

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Product Detail

 
Part Number | BU21077MUV-E2
Status | Recommended
Package | VQFN020V4040
Unit Quantity | 2500
Minimum Package Quantity | 2500
Packing Type | Taping
RoHS | Yes

Specifications:

Vcc(Min.)[V]

2.7

Vcc(Max.)[V]

5.5

Sensor input channels

8

Interface

I2C

Matrix key

Variable

Operating Temperature (Min.)[°C]

-20

Operating Temperature (Max.)[°C]

85

Features:

  • Programmable MPU
  • 8 Capacitive Sensor Ports
  • 2-Wire Serial Bus Interface
  • Single Power Supply
  • Built-in Power-On-Reset and Oscillator
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Design Resources

 

Technical Articles

Schematic Design & Verification

  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • Thermal Resistance

Tools

2D/3D/CAD

  • VQFN020V4040 Footprint / Symbol

Packaging & Quality

Package Information

  • Package Information
  • Anti-Whisker formation

Manufacturing Data

  • Factory Information

Environmental Data

  • UL94 Flame Classifications of Mold Compound
  • Compliance with the ELV directive
  • REACH SVHC Non-use Declaration
  • RoHS Comission Delegated Directive

Export Information

  • The Export Control Order
  • Export Administration Regulations(EAR)