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Controladores de pantalla táctil

TSC2046

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Controlador de pantalla táctil de 4 cables con E/S digital de baja tensión

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TSC2046

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Detalles del producto

SAR ADC resolution (Bits) 12 SAR sample rate (max) (ksps) 125 Touch panel 4-Wire Control interface SPI Vref (int/ext) Internal Rating Catalog Operating temperature range (°C) -40 to 85 Analog supply (min) (V) 2.2 Analog supply voltage (max) (V) 5.25 I/O supply voltage (min) (V) 1.5 I/O supply voltage (max) (V) 5.25 Input type Single-ended
SAR ADC resolution (Bits) 12 SAR sample rate (max) (ksps) 125 Touch panel 4-Wire Control interface SPI Vref (int/ext) Internal Rating Catalog Operating temperature range (°C) -40 to 85 Analog supply (min) (V) 2.2 Analog supply voltage (max) (V) 5.25 I/O supply voltage (min) (V) 1.5 I/O supply voltage (max) (V) 5.25 Input type Single-ended
TSSOP (PW) 16 32 mm² 5 x 6.4 VQFN (RGV) 16 16 mm² 4 x 4
  • 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
  • AVAILABLE IN TSSOP-16, QFN-16, AND VFBGA-48 PACKAGES
  • APPLICATIONS
    • PERSONAL DIGITAL ASSISTANTS
    • PORTABLE INSTRUMENTS
    • POINT-OF-SALE TERMINALS
    • PAGERS
    • TOUCH SCREEN MONITORS
    • CELLULAR PHONES

All trademarks are the property of their respective owners.
  • 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
  • AVAILABLE IN TSSOP-16, QFN-16, AND VFBGA-48 PACKAGES
  • APPLICATIONS
    • PERSONAL DIGITAL ASSISTANTS
    • PORTABLE INSTRUMENTS
    • POINT-OF-SALE TERMINALS
    • PAGERS
    • TOUCH SCREEN MONITORS
    • CELLULAR PHONES

All trademarks are the property of their respective owners.

The TSC2046 is a next-generation version to the ADS7846 4-wire touch screen controller which supports a low-voltage I/O interface from 1.5V to 5.25V. The TSC2046 is 100% pin-compatible with the existing ADS7846, and will drop into the same socket. This allows for easy upgrade of current applications to the new version. The TSC2046 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 2.7V supply voltage, 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 TSC2046 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 TSC2046 is available in TSSOP-16, QFN-16, and VFBGA-48 packages and is specified over the -40°C to +85°C temperature range.

The TSC2046 is a next-generation version to the ADS7846 4-wire touch screen controller which supports a low-voltage I/O interface from 1.5V to 5.25V. The TSC2046 is 100% pin-compatible with the existing ADS7846, and will drop into the same socket. This allows for easy upgrade of current applications to the new version. The TSC2046 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 2.7V supply voltage, 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 TSC2046 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 TSC2046 is available in TSSOP-16, QFN-16, and VFBGA-48 packages and is specified over the -40°C to +85°C temperature range.
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Documentación técnica

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Tipo Título Fecha
* Data sheet Low Voltage I/O Touch Screen Controller datasheet (Rev. G) 17 ene 2008
Application note PCB Layout Guideline for TI Resistive TSC Devices 04 oct 2012
Analog Design Journal Using a touch-screen controller’s auxiliary inputs 12 oct 2007
Application note Reducing Analog Input Noise in Touch Screen Systems (Rev. A) 15 sep 2007
Analog Design Journal Calibration in touch-screen systems 10 ago 2007
Application note Operation Schemes of Touch Screen Controllers 21 may 2007
Application note Apply TI TSC for Various and Multiple Functions 11 dic 2006
Application note How to Use TI's 4-Wire TSC to Control an 8-Wire Resistive Touch Screen 27 mar 2006
Application note TSC2046 WinCE 5.0 Driver 10 nov 2005
EVM User's guide TSC2046EVM/TSC2046EVM-PDK User Guide 06 jul 2004

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Soporte de software

SBAC071 — TSC2046 WinCE5 Example Driver

Productos y hardware compatibles

Productos y hardware compatibles

Productos
Controladores de pantalla táctil
TSC2046 — Controlador de pantalla táctil de 4 cables con E/S digital de baja tensión
Software
Soporte de software
TSC2046-WCE5-DRV — Controlador de ejemplo WinCE5 TSC2046
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PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
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TSSOP (PW) 16 Ver opciones
VQFN (RGV) 16 Ver opciones
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Pedidos y calidad

Información incluida:
  • RoHS
  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

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Soporte y capacitación

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