STMPE2401TBR

Product Overview

Category

The STMPE2401TBR belongs to the category of integrated circuits (ICs) specifically designed for touch screen applications.

Use

This product is primarily used for touch screen control and sensing in various electronic devices such as smartphones, tablets, and industrial touch panels.

Characteristics

• High sensitivity: The STMPE2401TBR offers excellent touch sensitivity, allowing for accurate and responsive touch input.
• Low power consumption: This IC is designed to minimize power consumption, making it suitable for battery-powered devices.
• Compact package: The STMPE2401TBR comes in a small and compact package, enabling its integration into space-constrained designs.
• Robust performance: It provides reliable touch sensing capabilities even in challenging environmental conditions.

Package and Quantity

The STMPE2401TBR is available in a compact 16-pin TFBGA (Thin Film Ball Grid Array) package. It is typically sold in reels containing a specified quantity, usually 2500 units per reel.

Specifications

• Supply voltage: 2.4V to 3.6V
• Operating temperature range: -40°C to +85°C
• Communication interface: I2C (Inter-Integrated Circuit)
• Touch screen resolution: Up to 4096 x 4096
• Touch detection method: Capacitive sensing

Pin Configuration

The STMPE2401TBR features a total of 16 pins, each serving a specific function. The pin configuration is as follows:

Pin 1: VDD Pin 2: SDA Pin 3: SCL Pin 4: IRQ Pin 5: GND Pin 6: X+ (Touch screen X-axis positive) Pin 7: X- (Touch screen X-axis negative) Pin 8: Y+ (Touch screen Y-axis positive) Pin 9: Y- (Touch screen Y-axis negative) Pin 10: NC (No Connection) Pin 11: NC Pin 12: NC Pin 13: NC Pin 14: NC Pin 15: NC Pin 16: NC

Functional Features

The STMPE2401TBR offers the following functional features:

• Multi-touch support: It enables the detection and tracking of multiple touch points simultaneously.
• Gesture recognition: The IC supports gesture recognition, allowing for advanced touch-based interactions such as pinch-to-zoom and swipe gestures.
• Noise filtering: It incorporates built-in noise filtering algorithms to minimize false touch detections caused by external disturbances.
• Calibration: The STMPE2401TBR includes calibration capabilities to ensure accurate touch input across the entire touch screen area.

Advantages and Disadvantages

Advantages

• High touch sensitivity for precise input.
• Low power consumption, ideal for battery-powered devices.
• Compact package for easy integration into space-constrained designs.
• Robust performance in challenging environmental conditions.

Disadvantages

• Limited touch screen resolution compared to some higher-end alternatives.
• Requires an I2C interface for communication.

Working Principles

The STMPE2401TBR operates based on capacitive sensing technology. It detects changes in capacitance caused by touch input on the touch screen surface. By measuring these changes, it determines the position and characteristics of the touch input.

Application Field Plans

The STMPE2401TBR is widely used in various applications, including: - Smartphones and tablets - Industrial touch panels - Portable gaming devices - Automotive infotainment systems - Home automation control panels

Alternative Models

For those seeking alternative options, the following models provide similar functionality to the STMPE2401TBR: - STMPE2403TBR - TSC2007IPW - FT5206GE1

These alternative models offer comparable touch sensitivity, power consumption, and package options.

In conclusion, the STMPE2401TBR is a highly capable touch screen controller IC suitable for a wide range of applications. Its high sensitivity, low power consumption, and compact package make it an excellent choice for touch-enabled devices. However, its limited touch screen resolution and reliance on an I2C interface should be considered when selecting alternatives.