Datasheet > BU21072MUV

BU21072MUV

更新时间： 2024-01-27 03:04:43

品牌	Logo	应用领域
罗姆 - ROHM		开关控制器
页数	文件大小	规格书
17页	680K
描述
Capacitive Switch Controller ICs

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BU21072MUV 数据手册

BU21072MUV

Capacitive Controller ICs

Capacitive Switch Controller ICs

BU21072MUV / BU21078MUV

●General Description

●Key Specifications

BU21072MUV/BU21078MUV is a capacitive sensor

controller for switch operation.

In addition to a regular simple switch, support matrix

switches which are arranged in the matrix sensors. If

external noise and temperature drift are detected, the

automatic self-calibration is operated.

■

Input voltage range

Operating temperature range

Operating current

3.0 to 3.6V (Typ.)

-25 to 85℃ (Typ.)

3.5mA (Typ.

without load)

16msec (Typ.)

■

Scan rate

Include LED controller with PWM function.

●Packages

BU21072MUV :

VQFN024V4040

●Features

4.00 ㎜×4.00 ㎜×1.00 ㎜

5.00 ㎜×5.00 ㎜×1.00 ㎜

■

10 capacitive sensor ports. (BU21072MUV)

12 capacitive sensor ports. (BU21078MUV)

Supported Matrix switches.

BU21078MUV :

VQFN028V5050

■

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.

●Applications

■

Appliance that require multiple switches.

Information appliance as printer.

AV appliance as digital TV and HDD recorder.

Notebook PC.

VQFN024V4040

VQFN028V5050

●Typical Application Circuit

Fig.1 Typical Application Circuit

○Product structure：Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays

www.rohm.com

TSZ02201-0Y2Y0FZ00020-1-2

12.Mar.2012 Rev.001

1/14

TSZ22111・14・001

12 3 4 5 6 7...17

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