产品名称:

WTC6106BSI

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

Operating voltage: WTC6106BSI: WTC6106BSI and WTC6106BSI-M:3.3V

WTC6106BSI-L:2.2V

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.


WTC6106BSI Inductive touch key chip of six-way electric capacitance

Specification  (V1.5)

WTC6106BSIseries 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 WTC6106BSI can achieve 3 to 6 independent keys. The user can use it flexibly according to the needs.


Pin Configuration:

WTC6106BSI pin configuration diagram is shown in the figure below :

引脚图4.jpg

 

Definitions of Pins:

The definitions of WTC6106BSI 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 4 (sense element 4)

3

SW3

|

Interface of touch key 3 (sense element 3)

4

SW2

|

Interface of touch key 2 (sense element 2)

5

SW1

|

Interface of touch key 1 (sense element 1)

6

SW0

|

Interface of touch key 0 (sense element 0)

7

CSEL 

|

Capacitor interface for adjusting the sensitivity

8

GND

|

Power ground

9

OUT0

O

SW0 status output

10

OUT1

O

SW1 status output

11

ROSC

|

Connect the 10K pull-up resistor

12

VCC

|

Power input

13

OUT2 

O

SW2 status output 

14

OUT3

O

SW3 status output

15

OUT4

O

SW4 status output

16

OUT5

O

SW5 status output

 

Peripheral Circuit and Precautions:

Figure 3 is the application circuit diagram of WTC6106BSI working under the 6 key mode

R1-R6 are the match resistance group. Please try to place them close to the IC

WTC6106BSI

                            Figure 3: WTC6106BSI Application Schematic Diagram

 

Output Display:

When an effective touch is detected on the sensor disc, WTC6106BSI outputs the state of the corresponding sensor channel in 100ms so that the user MCU can process it, or directly drive the execution circuit work.


Take the SW0 channel for example, the relationship between the output signal and the input channel of the

sensor is shown in figure 2, and the other channels are the same.


WTC6106BSI

                                  Figure 2: Sequence diagram of WTC6106BSI key output

 

 

 

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