This datasheet describes the PT2041A, a single-channel touch detection integrated circuit featuring built-in voltage regulation and low power consumption.
The PT2041A is a single-channel touch detection chip designed to replace traditional mechanical buttons. It features an internal voltage regulator for stable operation and integrates efficient algorithms for reliable touch sensing. The device supports a wide operating voltage range of 2.4V to 5.5V and offers low standby current, making it suitable for various consumer applications. This manual is written in Chinese.
| Operating Voltage Range | 2.4~5.5V |
|---|---|
| Operating Temperature Range | -40~85℃ |
| Standby Current (Typical) | 2uA@V DD=3V/No Load |
| Max Key Response Time (Low Power Mode) | ~200ms@VDD=3V |
| Max Key Output Time | 16 seconds (±30%) |
| ESD Rating (HBM) | >2KV |
The chip operates within a voltage range of 2.4V to 5.5V.
The PT2041A is available in SOT23-6, DFN2x2-6L, and DFN1x1-4L packages.