产品名称:

WTC6208BSI

  • 产品参数
  • 应用秘籍
  • 产品概述
  • 工作电路
  • 参考方案

Operating voltage: WTC6208BSI: 3.3V

Output voltage range: GND

Sensing thickness (insulating medium): 0-20mm

Response time of effective touch: Less than 100ms

Operating temperature: -40°C—+85°C

Storage temperature: -50°C—+125°C


Be applicable to various kitchen apparatuses, audio and video devices, air conditioners, sanitary electrical apparatuses, lights and switches, security equipment, instruments, portable player, mobile phones, electronic toys and learning machines.


WTC6208BSI Inductive touch key chip of eight-channel electric capacitance

Specification  (V1.5) 

WTC6208BSI series touch sensing IC is an integrated circuit designed to achieve human touch interface. It can replace the mechanical light touch key to realize waterproof and dustproof, seal isolation, with strong and artistic operation interface. A WTC6208BSI can achieve 3 to 8 independent keys. The user can use it flexibly according to the needs.


Pin Configuration:

WTC6208BSI pin configuration diagram is shown in the figure 1 below :

引脚图5.jpg

      Figure 1: WTC6208BSI Pin Diagram

 

Definitions of WTC62K1R Pins:

The definitions of WTC6208BSI pins are as shown in the table below:

Pin No.

Pin Name

Usage

Function Description

1

SW5

|

Interface of touch key 5 (sense element 5)

2

SW4

|

Interface of touch key 5 (sense element 4)

3

SW3

|

Interface of touch key 5 (sense element 3)

4

SW2

|

Interface of touch key 5 (sense element 2)

5

SW1

|

Interface of touch key 5 (sense element 1)

6

SW0

|

Interface of touch key 0 (sense element 0) interface

7

CSEL

|

Capacitor interface for adjusting the sensitivity

8

GND

|

Power ground

9

OUT_FLAG

O

Key state indicator: 1 indicates that the key has no

effective touch; 0 indicates that there is a key pressed

10

DATA0 

|

BCD code output

11

ROSC

|

Sensitivity adjustable capacitor interface

12

VCC

|

Power input

13

DATA1 

O

BCD code output

14

DATA2

O

BCD code output

15

SW7 

|

Interface of touch key 7 (sense element 7)

16

SW6

|

Interface of touch key 16(sense element 6)

 

Output Display:

WTC6208BSI

 Figure 2: Sequence diagram of WTC6208BSI key output

Peripheral Circuit and Precautions:

WTC6208BSI

                             Figure 3: WTC6208BSI Application Schematic Diagram

 

 

 

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