Details

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BUY TTP223-BA6 https://www.utsource.net/itm/p/12611037.html

Parameter	Description
Part Number	TTP223-BA6
Function	Capacitive touch switch IC
Operating Voltage	2.0V to 5.5V
Touch Sensitivity	Adjustable via external resistor
Output Type	Open-drain output
Operating Temperature	-40掳C to +85掳C
Package Type	SOT-23-6
Quiescent Current	1 渭A (typical)
Load Current	Up to 10 mA
Supply Current	20 渭A (maximum)

Instructions for Use:

1. Power Supply Connection: Connect the VCC pin to a power supply within the range of 2.0V to 5.5V, and GND to ground.
2. Capacitive Touch Pad: Connect an external capacitive touch pad to the designated pin for touch sensing.
3. Adjusting Sensitivity: Modify the touch sensitivity by connecting an external resistor between the sensitivity adjustment pin and ground.
4. Output Configuration: The open-drain output requires a pull-up resistor connected to VCC. This output will be pulled low when the touch pad is activated.
5. Handling Static Electricity: Ensure proper handling precautions are taken to avoid damage from static electricity, especially during soldering or handling.
6. Mounting: Place the component in a location where it can effectively interface with the touch pad without interference from other components or conductive materials.

For detailed design considerations and application circuits, refer to the datasheet provided by the manufacturer.

(For reference only)