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The TSC2046IZQCT is a low-voltage, four-wire resistive touch screen controller manufactured by Texas Instruments. It features a 12-bit analog-to-digital converter (ADC) with a sampling rate of 125 kS/s and supports serial interfaces including SPI, SSI, and 3-wire serial. The device operates on a supply voltage range of 2.2 V to 5.25 V and includes an internal 2.5 V reference. Designed for portable applications, it offers low power consumption with a typical operating current of 280 µA and automatic power-down capabilities.
The TSC2046 series serves as a successor to the ADS7846, offering pin-compatible upgrades for existing designs. The 'IZQC' suffix indicates a specific package variant within the TSC2046 family, typically utilizing a compact surface-mount form factor suitable for space-constrained mobile devices.
The TSC2046 is functionally compatible with the ADS7846 due to identical pinouts. Designers migrating from ADS7846 can utilize the TSC2046 without PCB layout changes, benefiting from improved low-voltage I/O characteristics.