Overview
The TSC2046EIPWRG4 is a next-generation 4-wire touch screen controller produced by Texas Instruments. It is designed to be 100% pin-compatible with the existing ADS7846, allowing for easy upgrades in current applications. This controller supports a low-voltage I/O interface from 1.5V to 5.25V, making it suitable for a wide range of battery-operated systems. The TSC2046EIPWRG4 features an on-chip 2.5V reference, direct battery measurement, on-chip temperature measurement, and touch-pressure measurement capabilities. Its low power consumption and high-speed sampling rate up to 125kHz make it an ideal choice for portable devices such as personal digital assistants, pagers, cellular phones, and other touch screen monitors.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | TSSOP-16, QFN-16, VFBGA-48 |
| Pins | 16 |
| Operating Temperature Range | -40°C to +85°C |
| Supply Voltage Range | 2.2V to 5.25V |
| Digital I/O Voltage Range | 1.5V to 5.25V |
| Internal Reference Voltage | 2.5V |
| Sample Rate | Up to 125kHz |
| Resolution | 12 Bits |
| Quiescent Current (Internal Reference Off) | < 0.75mW at 2.7V |
| Interface | QSPI™ and SPI™ 3-Wire Interface |
Key Features
- SAME PINOUT AS ADS7846: Ensures easy upgrade and compatibility with existing applications.
- 2.2V TO 5.25V OPERATION: Supports a wide range of supply voltages.
- 1.5V TO 5.25V DIGITAL I/O: Flexible digital I/O voltage range.
- INTERNAL 2.5V REFERENCE: Can be used for auxiliary input, battery monitor, and temperature measurement modes.
- DIRECT BATTERY MEASUREMENT (0V TO 6V): Monitors battery voltage effectively.
- ON-CHIP TEMPERATURE MEASUREMENT: Built-in temperature sensing capability.
- TOUCH-PRESSURE MEASUREMENT: Measures touch pressure accurately.
- QSPI™ AND SPI™ 3-WIRE INTERFACE: Supports high-speed communication interfaces.
- AUTO POWER-DOWN: Reduces power consumption when not in use.
- AVAILABLE IN TSSOP-16, QFN-16, AND VFBGA-48 PACKAGES: Multiple packaging options for different design needs.
Applications
- Personal Digital Assistants (PDAs)
- Portable Instruments
- Point-of-Sale Terminals
- Pagers
- Touch Screen Monitors
- Cellular Phones
Q & A
- What is the TSC2046EIPWRG4? The TSC2046EIPWRG4 is a next-generation 4-wire touch screen controller produced by Texas Instruments.
- What is the operating temperature range of the TSC2046EIPWRG4? The operating temperature range is -40°C to +85°C.
- What are the supported supply voltage and digital I/O voltage ranges? The supply voltage range is 2.2V to 5.25V, and the digital I/O voltage range is 1.5V to 5.25V.
- What is the resolution of the TSC2046EIPWRG4? The resolution is 12 bits.
- What interfaces does the TSC2046EIPWRG4 support? It supports QSPI™ and SPI™ 3-wire interfaces.
- What are some key features of the TSC2046EIPWRG4? Key features include an internal 2.5V reference, direct battery measurement, on-chip temperature measurement, touch-pressure measurement, and auto power-down.
- What are the typical applications of the TSC2046EIPWRG4? Typical applications include personal digital assistants, portable instruments, point-of-sale terminals, pagers, touch screen monitors, and cellular phones.
- What packages is the TSC2046EIPWRG4 available in? It is available in TSSOP-16, QFN-16, and VFBGA-48 packages.
- How does the TSC2046EIPWRG4 conserve power? It has an auto power-down feature and the internal reference can be powered down when not in use.
- What is the sample rate of the TSC2046EIPWRG4? The sample rate can be up to 125kHz.
