BU21072MUV
電容式感測器、開關控制IC

BU21072MUV/BU21078MUV 是針對開關操作的電容式感測器控制器。
除在每個開關中使用1個感測器外，也可將矩陣狀配置多個感測器的交點用作1個開關。依據檢測結果感知溫度漂移、外來噪音，實施自動校準。
內建適用於PWM 的LED控制器。

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* 本產品是標準級的產品。
本產品不建議使用的車載設備。
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Product Detail

 
料號 | BU21072MUV-E2
狀態 | 推薦品
封裝 | VQFN024V4040
單位數量 | 2500
最小包裝數量 | 2500
包裝形式 | Taping
RoHS | Yes

規格:

Vcc(Min.)[V]

3.0

Vcc(Max.)[V]

5.5

Sensor input channels

10

LED control channels

6

Interface

I2C

Matrix key

4 x 4

Operating Temperature (Min.)[°C]

-20

Operating Temperature (Max.)[°C]

85

功能:

・ 10 capacitive sensor ports. (BU21072MUV) 12 capacitive sensor ports. (BU21078MUV)
・ Supported Matrix switches. Maximum 16 switches. (BU21072MUV) Maximum 36 switches. (BU21078MUV)
・ Automatic self-calibration.
・ Held touch detection.
・ LED controller with PWM function.
・ Inform the detected result of switch operation by interrupt.
・ 2-wire serial bus interface.
・ 3.3V 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

Simulations (Login Required)

  • Method for Exporting Circuit Data (ROHM Solution Simulator)

2D/3D/CAD

  • VQFN024V4040 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)