The PT2023S8 is a touch sensor integrated circuit (IC) from PinTeng, designed to detect touch inputs in electronic devices. Encased in an SOP-8 package, it offers a compact solution for integrating touch functionality into various applications. PT2023 is a capacitive touch control ASIC, supporting single-channel touch input and dual-channel PWM output, mainly used in touch-dimming LED lighting fixtures, with outstanding advantages of low power consumption, high anti-interference, wide operating voltage range, flicker-free lighting
Features
:When powered on for the first time, the light is in the off state, and the L O pin outputs a low level.
- ⚫ In the off state, a short press touch (touch duration less than 550ms) activates the light function. A second touch on the button switches the mode (LED1 on, LED2 off, LED1 off, LED2 on, LED1 on, LED2 on, LED1 off, LED2 off), and this continues in a loop.
- A long press touch (touch duration greater than 550ms) allows for stepless brightness adjustment of the light in the current mode. A single long press increases the light brightness gradually, and when released, the brightness stops at the level corresponding to the release moment. If the long press duration exceeds 3 seconds, the light brightness reaches maximum brightness and no longer changes; another long press decreases the light brightness gradually, and when released, the brightness stops at the level corresponding to the release moment. If the long press duration exceeds 3 seconds, the light brightness reaches minimum brightness and no longer changes. The adjustment range of the light is 5% to 100%, and this continues in a loop.
- Short press touch and long press touch can be used freely at any time, and their functions do not interfere with or restrict each other.
- With brightness and colour temperature memory function, under the condition of continuous power supply, the colour temperature and brightness when a short press touch turns off the light will be remembered. The next time the light is turned on by touch, it will stop at the remembered brightness.
- LO outputs a low level in the off state and a high level in the on state, which can be used as a working indicator.
Applications
:- Consumer electronics require touch input functionality.
- Industrial control panels with touch-sensitive interfaces.
- Home automation systems integrating touch controls.
Specification
:| Parameter | Value |
|---|---|
| Operating Voltage Range | 2.4~5.5V |
| Standby Current | approx. 6uA @VDD=5V & CMOD=10nf |
| Manufacturer | PinTeng |
| Input | Single Channel Touch Input |
| Output | Dual Channel PWM Output, Freq=21kHz |
FAQs
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