Texas Instruments

TPS2812DR

TPS2812DR is a high-performance, low-power, capacitive touch sensor controller from Texas Instruments. It is designed to provide a cost-effective and easy-to-use solution for implementing capacitive touch sensing in a wide range of applications.

Description:

The TPS2812DR is a highly integrated device that combines a touch sensing controller, an integrated oscillator, and an I2C interface in a small, 6-pin QFN package. It is designed to operate from a wide supply voltage range of 2.7V to 5.5V, making it suitable for use in both battery-powered and line-powered applications.

Features:

1. Low power consumption: The TPS2812DR is designed for low power operation, with a typical current consumption of only 3.5µA in standby mode.
2. Easy to use: The device features a simple I2C interface for easy integration with microcontrollers and other system components.
3. High sensitivity: The TPS2812DR can detect touch events with very low signal levels, making it suitable for use in noisy environments.
4. Wide supply voltage range: The device can operate from a supply voltage of 2.7V to 5.5V, making it suitable for use in a wide range of applications.
5. Small package: The TPS2812DR is available in a compact 6-pin QFN package, making it easy to integrate into small form-factor designs.

Applications:

The TPS2812DR is suitable for a wide range of applications that require capacitive touch sensing, including:

1. Consumer electronics: The device can be used in smartphones, tablets, and other portable devices to provide touch-sensitive buttons and sliders.
2. Industrial controls: The TPS2812DR can be used in industrial control panels to provide touch-sensitive buttons and switches.
3. Medical devices: The device can be used in medical equipment to provide touch-sensitive controls that are easy to clean and disinfect.
4. Home appliances: The TPS2812DR can be used in home appliances such as washing machines, ovens, and refrigerators to provide touch-sensitive controls.
5. Automotive applications: The device can be used in automotive applications to provide touch-sensitive controls for infotainment systems, climate control, and other functions.

Overall, the TPS2812DR from Texas Instruments is a highly versatile and cost-effective solution for implementing capacitive touch sensing in a wide range of applications. Its low power consumption, ease of use, and small package size make it an ideal choice for designers looking for a high-performance touch sensor controller.