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TSC2046AZ2046, TSC2046E, TSC2046EIPW G4

Table of contents:
Info of TSC2046AZ2046
Info of TSC2046E
Info of TSC2046EIPW G4

TSC2046AZ2046, TSC2046E, TSC2046EIPW G4 Selling Leads, Datasheet

MFG:TI Package Cooled:BGA D/C:05+

TSC2046AZ2046, TSC2046E, TSC2046EIPW G4 Picture

TSC2046AZ2046, TSC2046E, TSC2046EIPW G4 Datasheet download

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Part Number: TSC2046AZ2046

MFG: TI

Package Cooled: BGA

D/C: 05+

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TSC2046E General Description

The TSC2046E is the next-generation version of the ADS7846 4-wire touch screen controller, supporting a low-voltage I/O interface from 1.5V to 5.25V. The TSC2046E is 100% pin-compatible with the existing ADS7846, and drops into the same socket. This design allows for an easy upgrade of current applications to the new version. The TSC2046E also has an on-chip 2.5V reference that can be used for the auxiliary input, battery monitor, and temperature measurement modes. The reference can also be powered down when not used to conserve power. The internal reference operates down to a supply voltage of 2.7V, while monitoring the battery voltage from 0V to 6V.

The low-power consumption of < 0.75mW typ at 2.7V (reference off), high-speed (up to 125kHz sample rate), and on-chip drivers make the TSC2046E an ideal choice for battery-operated systems such as personal digital assistants (PDAs) with resistive touch screens, pagers,cellular phones, and other portable equipment. The TSC2046E is available in TSSOP-16, QFN-16, and VFBGA-48 packages and is specified over the 40 to +85 temperature range.

TSC2046E Maximum Ratings

+V_CC and IOVDD to GND . . . . . . . . . . . . . . . . . . . . . . −0.3V to +6V
Analog Inputs to GND . . . . . . . . . . . . . . . ....−0.3V to +V_CC + 0.3V
Digital Inputs to GND . . . . . . . . . . . . . . . . . −0.3V to IOVDD + 0.3V
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . 250mW
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . +150
Operating Temperature Range . . . . . . . . . . . . . . . . −40 to +85
Storage Temperature Range . . . . . . . . . . . . . . . . . −65 to +150
Lead Temperature (soldering, 10s) . . . . . . . . . . . . . . . . . . . +300
IEC Contact Discharge (X+, X−, Y+, Y−)⁽²⁾ . . . . . . . . . . . . . .. ±15kV

(1) Stresses above these ratings may cause permanent damage.

Exposure to absolute maximum conditions for extended periods may degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those specified is not implied.

(2) Test method based on IEC standard 61000-4-2. Contact TexasInstruments for test details.

TSC2046E Features

` Same Pinout as ADS7846
` 2.2V to 5.25V Operation
` 1.5V to 5.25V Digital I/O
` Internal 2.5V Reference
` Direct Battery Measurement (0V to 6V)
` On-Chip Temperature Measurement
` Touch-Pressure Measurement
` QSPI and SPI 3-Wire Interface
` Auto Power-Down
` Exceeds IEC 61000-4-2 ESD Requirements
- ±15kV Contact Discharge
- No External Components Needed
` Available In TSSOP-16, QFN-16, and VFBGA-48 Packages

TSC2046E Typical Application

· Personal Digital Assistants
· Portable Instruments
· Point-of-Sale Terminals
· Pagers
· Touch Screen Monitors
· Cellular Phones

TSC2046E Connection Diagram

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