TSC2046IPWG4

Overview

The TSC2046IPWG4 is a resistive touch screen controller manufactured by Texas Instruments, housed in a 16-pin TSSOP package. It features a 12-bit resolution and supports SPI, SSI, and 3-wire serial interfaces. The device operates on a supply voltage range of 2.2V to 5.25V with a typical operating current of 280 µA. It includes an internal 2.5V reference, temperature sensing capabilities, and automatic power-down modes. The component functions within a temperature range of -40°C to +85°C.

Feature Summary

• 12-bit ADC resolution for precise coordinate acquisition
• Internal 2.5V reference voltage source
• Supports SPI, SSI, and 3-wire serial interfaces
• Integrated temperature sensor channel

Applications

• Resistive touch screen control systems
• Portable consumer electronics
• Industrial human-machine interfaces (HMI)
• Battery-powered measurement devices

Procurement Notes

Verify the G4 suffix indicates lead-free compliance and RoHS status as per manufacturer specifications. Confirm the TSSOP-16 package dimensions match design constraints. Ensure interface compatibility with the host microcontroller's SPI or SSI configuration before integration.

Selection Notes

Select this model for applications requiring low-power resistive touch sensing with high accuracy. The 12-bit resolution suits precision input requirements. Verify that the host system supports the required voltage levels for digital I/O and serial communication protocols.

Part Context

This part belongs to the TSC2046 family of touch screen controllers. It serves as a direct pin-compatible replacement for legacy ADS7846 controllers, facilitating upgrades in existing designs without PCB layout changes. The IPW variant specifically denotes the TSSOP surface-mount package option.

Replacement Considerations

TSC2046IPWR is a compatible alternative in the same series with identical electrical characteristics but differs in packaging format.