86 touch switch / desk fan / air conditioner / smart home / home appliances, etc., low power consumption, high anti-interference, 3-key, 3-way, 3-way touch ic-vk3603 esop8, stable performance and adju

Product brand ： Yongjia micro electricity /VINKA
Product model ：VK3603
Package form ：ESOP8

summary ：
VK3603  ESOP8 have 3 A touch button , It can be used to detect the touch action of human hands on the external touch button . The chip has High integration , Only a few external components are needed to realize the detection of touch keys . Provides 3 Direct output function . Special integrated circuits are used inside the chip , High supply voltage rejection ratio , can Reduce the occurrence of key detection errors , This feature ensures that the chip still has high reliability in the application of adverse environmental conditions . This touch chip has automatic calibration function , Low standby current , Anti voltage fluctuation and other characteristics , For various touch keys +IO The application of output provides a simple and effective implementation method .

characteristic ：
• Working voltage 2.4-5.5V
• Standby current 7uA/3.3V,14uA/5V
• Power on reset function （POR）
• Low voltage reset function （LVR）
• Touch output response time ： Working mode 48mS Standby mode 160mS
• CMOS Output , Low level active , Multi key support
• The longest valid key output 16S
• No touch 4S Auto calibration
• Special pin grounding capacitance adjustment sensitivity (1-47nF）
• Each touch channel is separately grounded to the small capacitance for fine adjustment sensitivity （0-50pF）
• Access to electricity 0.25S Internal is the stabilization time , No touching
• encapsulation SOP8-EP(150mil)(4.9mm x 3.9mm PP=1.27mm)

Touch IC The series is introduced as follows ：
Standard touch IC- Battery powered series ：
VKD223EB --- Working voltage / electric current ：2.0V-5.5V/5uA-3V   The number of sensing channels ：1     communication interface  
Maximum response time fast mode 60mS, Low power mode 220ms     encapsulation ：SOT23-6
VKD223B ---   Working voltage / electric current ：2.0V-5.5V/5uA-3V   The number of sensing channels ：1     communication interface  
Maximum response time fast mode 60mS, Low power mode 220ms     encapsulation ：SOT23-6
VKD233DB --- Working voltage / electric current ：2.4V-5.5V/2.5uA-3V  1 Sense button    encapsulation ：SOT23-6  
communication interface ： Direct output , Latch (toggle) Output    Low power mode current 2.5uA-3V
VKD233DH --- Working voltage / electric current ：2.4V-5.5V/2.5uA-3V  1 Sense button    encapsulation ：SOT23-6 
communication interface ： Direct output , Latch (toggle) Output    The longest valid key detection time 16S
VKD233DS --- Working voltage / electric current ：2.4V-5.5V/2.5uA-3V  1 Sense button    encapsulation ：DFN6（2*2 Ultra small package ）
communication interface ： Direct output , Latch (toggle) Output    Low power mode current 2.5uA-3V
VKD233DR --- Working voltage / electric current ：2.4V-5.5V/1.5uA-3V  1 Sense button    encapsulation ：DFN6（2*2 Ultra small package ）
communication interface ： Direct output , Latch (toggle) Output    Low power mode current 1.5uA-3V
VKD233DG --- Working voltage / electric current ：2.4V-5.5V/2.5uA-3V  1 Sense button    encapsulation ：DFN6（2*2 Ultra small package ）
communication interface ： Direct output , Latch (toggle) Output     Low power mode current 2.5uA-3V 
VKD233DQ --- Working voltage / electric current ：2.4V-5.5V/5uA-3V  1 Sense button    encapsulation ：SOT23-6
communication interface ： Direct output , Latch (toggle) Output      Low power mode current 5uA-3V 
VKD233DM --- Working voltage / electric current ：2.4V-5.5V/5uA-3V  1 Sense button    encapsulation ：SOT23-6 （ Open drain output ）
communication interface ： Open drain output , Latch (toggle) Output      Low power mode current 5uA-3V 
VKD232C  --- Working voltage / electric current ：2.4V-5.5V/2.5uA-3V    The number of sensing channels ：2   encapsulation ：SOT23-6  
communication interface ： Direct output , Low level active    Fixed to multi key output mode , Built in voltage stabilizing circuit

MTP touch IC——VK36N Series anti power radiation and mobile phone interference ：
VK3601L  --- Working voltage / electric current ：2.4V-5.5V/4UA-3V3   The number of sensing channels ：1  1 Yes 1 Direct output
Low standby current , Anti interference of power supply and mobile phone , It can be done by CAP Adjustment sensitivity    encapsulation ：SOT23-6
VK36N1D --- Working voltage / electric current ：2.2V-5.5V/7UA-3V3   The number of sensing channels ：1  1 Yes 1 Direct output
Touch water and you can still operate , Anti interference of power supply and mobile phone , It can be done by CAP Adjust the sensitive package ：SOT23-6
VK36N2P --- Working voltage / electric current ：2.2V-5.5V/7UA-3V3   The number of sensing channels ：2     Pulse output
Touch water and you can still operate , Anti interference of power supply and mobile phone , It can be done by CAP Adjust the sensitive package ：SOT23-6
VK3602XS --- Working voltage / electric current ：2.4V-5.5V/60UA-3V   The number of sensing channels ：2  2 Yes 2 Latch output
Low power mode current 8uA-3V, Anti power radiation interference , Wide supply voltage    encapsulation ：SOP8
VK3602K --- Working voltage / electric current ：2.4V-5.5V/60UA-3V   The number of sensing channels ：2   2 Yes 2 Direct output
Low power mode current 8uA-3V, Anti power radiation interference , Wide supply voltage    encapsulation ：SOP8
VK36N2D --- Working voltage / electric current ：2.2V-5.5V/7UA-3V3   The number of sensing channels ：2   1 Yes 1 Direct output
Touch water and you can still operate , Anti interference of power supply and mobile phone , It can be done by CAP Adjust the sensitive package ：SOP8
VK36N3BT --- Working voltage / electric current ：2.2V-5.5V/7UA-3V3   The number of sensing channels ：3  BCD Code latch output
Touch water and you can still operate , Anti interference of power supply and mobile phone , It can be done by CAP Adjustment sensitivity    encapsulation ：SOP8
VK36N3BD --- Working voltage / electric current ：2.2V-5.5V/7UA-3V3   The number of sensing channels ：3  BCD Code output directly
Touch water and you can still operate , Anti interference of power supply and mobile phone , It can be done by CAP Adjustment sensitivity    encapsulation ：SOP8
VK36N3BO --- Working voltage / electric current ：2.2V-5.5V/7UA-3V3   The number of sensing channels ：3  BCD Code open drain output
Touch water and you can still operate , Anti interference of power supply and mobile phone    encapsulation ：SOP8/DFN8（ Ultra small and ultra-thin volume ）
VK36N3D --- Working voltage / electric current ：2.2V-5.5V/7UA-3V3   The number of sensing channels ：3  1 Yes 1 Direct output
Touch water and you can still operate , Anti interference of power supply and mobile phone    encapsulation ：SOP16/DFN16（ Ultra small and ultra-thin volume ）
VK36N4B --- Working voltage / electric current ：2.2V-5.5V/7UA-3V3   The number of sensing channels ：4    BCD Output
Touch water and you can still operate , Anti interference of power supply and mobile phone    encapsulation ：SOP16/DFN16（ Ultra small and ultra-thin volume ）
VK36N4I--- Working voltage / electric current ：2.2V-5.5V/7UA-3V3   The number of sensing channels ：4    I2C Output
Touch water and you can still operate , Anti interference of power supply and mobile phone    encapsulation ：SOP16/DFN16（ Ultra small and ultra-thin volume ）
VK36N5D --- Working voltage / electric current ：2.2V-5.5V/7UA-3V3   The number of sensing channels ：5   1 Yes 1 Direct output
Touch water and you can still operate , Anti interference of power supply and mobile phone    encapsulation ：SOP16/DFN16（ Ultra small and ultra-thin volume ）
VK36N5B --- Working voltage / electric current ：2.2V-5.5V/7UA-3V3   The number of sensing channels ：5    BCD Output
Touch water and you can still operate , Anti interference of power supply and mobile phone    encapsulation ：SOP16/DFN16（ Ultra small and ultra-thin volume ）
VK36N5I --- Working voltage / electric current ：2.2V-5.5V/7UA-3V3   The number of sensing channels ：5    I2C Output
Touch water and you can still operate , Anti interference of power supply and mobile phone    encapsulation ：SOP16/DFN16（ Ultra small and ultra-thin volume ）
VK36N6D --- Working voltage / electric current ：2.2V-5.5V/7UA-3V3   The number of sensing channels ：6   1 Yes 1 Direct output
Touch water and you can still operate , Anti interference of power supply and mobile phone    encapsulation ：SOP16/DFN16（ Ultra small and ultra-thin volume ）
VK36N6B --- Working voltage / electric current ：2.2V-5.5V/7UA-3V3   The number of sensing channels ：6    BCD Output
Touch water and you can still operate , Anti interference of power supply and mobile phone    encapsulation ：SOP16/DFN16（ Ultra small and ultra-thin volume ）
VK36N6I --- Working voltage / electric current ：2.2V-5.5V/7UA-3V3   The number of sensing channels ：6    I2C Output
Touch water and you can still operate , Anti interference of power supply and mobile phone    encapsulation ：SOP16/DFN16（ Ultra small and ultra-thin volume ）
VK36N7B --- Working voltage / electric current ：2.2V-5.5V/7UA-3V3   The number of sensing channels ：7    BCD Output
Touch water and you can still operate , Anti interference of power supply and mobile phone    encapsulation ：SOP16/DFN16（ Ultra small and ultra-thin volume ）
VK36N7I --- Working voltage / electric current ：2.2V-5.5V/7UA-3V3   The number of sensing channels ：7    I2C Output
Touch water and you can still operate , Anti interference of power supply and mobile phone    encapsulation ：SOP16/DFN16（ Ultra small and ultra-thin volume ）
VK36N8B --- Working voltage / electric current ：2.2V-5.5V/7UA-3V3   The number of sensing channels ：8    BCD Output
Touch water and you can still operate , Anti interference of power supply and mobile phone    encapsulation ：SOP16/DFN16（ Ultra small and ultra-thin volume ）
VK36N8I --- Working voltage / electric current ：2.2V-5.5V/7UA-3V3   The number of sensing channels ：8    I2C Output
Touch water and you can still operate , Anti interference of power supply and mobile phone    encapsulation ：SOP16/DFN16（ Ultra small and ultra-thin volume ）
VK36N9I --- Working voltage / electric current ：2.2V-5.5V/7UA-3V3   The number of sensing channels ：9    I2C Output
Touch water and you can still operate , Anti interference of power supply and mobile phone    encapsulation ：SOP16/DFN16（ Ultra small and ultra-thin volume ）
VK36N10I --- Working voltage / electric current ：2.2V-5.5V/7UA-3V3   The number of sensing channels ：10    I2C Output
Touch water and you can still operate , Anti interference of power supply and mobile phone    encapsulation ：SOP16/DFN16（ Ultra small and ultra-thin volume ）

1-8 Point high sensitivity liquid water level detection IC——VK36W series
VK36W1D  --- Working voltage / electric current ：2.2V-5.5V/10UA-3V3  1 Yes 1 Direct output    Water level detection channel ：1
It can be used for water level detection with different wall thickness and different water quality , Anti power supply / Mobile phone interference package ：SOT23-6
remarks ：1. Open drain output low level active   2、 It is suitable for product applications requiring good anti-interference
VK36W2D  --- Working voltage / electric current ：2.2V-5.5V/10UA-3V3  1 Yes 1 Direct output    Water level detection channel ：2
It can be used for water level detection with different wall thickness and different water quality , Anti power supply / Mobile phone interference package ：SOP8
remarks ：1.  1 Yes 1 Direct output    2、 The output mode / The output level can be determined by IO choice
VK36W4D  --- Working voltage / electric current ：2.2V-5.5V/10UA-3V3  1 Yes 1 Direct output    Water level detection channel ：4
It can be used for water level detection with different wall thickness and different water quality , Anti power supply / Mobile phone interference package ：SOP16/DFN16
remarks ：1.  1 Yes 1 Direct output    2、 The output mode / The output level can be determined by IO choice
VK36W6D  --- Working voltage / electric current ：2.2V-5.5V/10UA-3V3  1 Yes 1 Direct output    Water level detection channel ：6
It can be used for water level detection with different wall thickness and different water quality , Anti power supply / Mobile phone interference package ：SOP16/DFN16
remarks ：1.  1 Yes 1 Direct output     2、 The output mode / The output level can be determined by IO choice
VK36W8I  --- Working voltage / electric current ：2.2V-5.5V/10UA-3V3  I2C Output      Water level detection channel ：8
​ It can be used for water level detection with different wall thickness and different water quality , Anti power supply / Mobile phone interference package ：SOP16/DFN16
remarks ：1.  IIC+INT Output      2、 The output mode / The output level can be determined by IO choice
* The water level detection chip can be used to detect the water level , Water shortage , Overflow and other occasions . Suitable for water dispensers 、 Drinking machine 、 Coffee machine 、 The kettle 、 Dishwasher 、 Ice maker and other water related household appliances and electronic products .
Test environment ： On the outer wall of a glass container （ glass 1-5 Millimetres ）, Through double-sided electronic heat conduction , Check the water level PCB Stick it directly on the glass to detect the water level .
brief introduction ：VK36W The water level detection series has strong anti-interference ability , Special touch chip for water level detection with high penetration ability . Have 1-8 Point detection point , It is suitable for segment detection in a variety of applications . Encapsulated in the SOT23-6,SOP8,SOP16 Power on to detect whether there is water at the water level point , Water goes from no water to water , From water to no water , Can be detected . It can be tested without touching water （ Space separation ） The water level is detected outside the water tank , The water level can also be detected by contacting the water with a metal probe . In high interference or AC It can also work normally in the application of switching power supply .
It is applied to a variety of liquid water level detection products , Detect water shortage , The water level , Overflow and other scenes

for example ：
1： Intelligent toilet cover , flush toilet , Water steamer , Water purifier , Air conditioning fan , Dishwasher , Humidifier , Coffee machine , Water dispenser , Ice maker , Fish tank heating rod , Float , bathtub , Sanitary ware  ----  Household appliances series
2： Plant basin overflow , Aromatherapy machine , Negative ion generator , Smart home products such as water level leakage and overflow alarm .
3： Water glass , Water reservoir and other liquid level detection cups
4： air cleaner , Humidifier , Atomizer and other environmental purification equipment

     
( Yongjia micro electricity /VINKA Original factory , Engineering services and technical support , Main camp LCD drive IC; LED drive IC; touch IC; LDO Steady pressure IC; Water level detection IC)