BU21079F
电容式开关控制器IC

BU21079F是面向开关操作的静电容量开关控制器。通过间歇动作模式实现低功耗。除在每个开关中使用1个传感器外,也可将矩阵状配置多个传感器的交点用作1个开关。依据检测结果感知温度漂移、外来噪音,实施自动校准。

Data Sheet 购买 *
* 本产品是标准级的产品。
本产品不建议使用于车载设备。

主要规格

 
型号 | BU21079F-E2
Status | 推荐品
封装 | SOP16
包装数量 | 2500
最小独立包装数量 | 2500
包装形态 | Taping
RoHS | Yes

特性:

Vcc(Min.)[V]

3.0

Vcc(Max.)[V]

5.5

Sensor input channels

8

Interface

I2C

Matrix key

4 x 4

Operating Temperature (Min.)[°C]

-25

Operating Temperature (Max.)[°C]

85

特点:

·8 capacitive sensor ports
·Supports matrix switches. Maximum of 16 switches.
·Automatic self-calibration
·Continued touch detection
·Sends an interrupt when there is a detected result of switch operation
·2-wire serial bus interface
·3.3V or 5.0V single power supply
·Built-in Power-On-Reset and Oscillator

设计资源

 

技术记事

Schematic Design & Verification

  • 旁路电容器的阻抗特性

Thermal Design

  • 热阻、热特性参数

设计模型

2D/3D/CAD

  • SOP16 Footprint / Symbol

封装和质量数据

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)