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Circuitos integrados de interfaz de detección de múltiples interruptores (MSDI)

TIC12400

ACTIVO

Monitor de sensor de 24 entradas con 1:1 (SPST), ADC de 10 canales y SPI integrados

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TIC12400

ACTIVO
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Detalles del producto

Number of input channels 24 Operating voltage (min) (V) 6.5 Operating voltage (max) (V) 24 Input/output voltage (max) (V) 40 Input/output voltage (min) (V) -24 IO current (mA) 1, 2, 5, 10, 15 Operating temperature range (°C) -40 to 105 Interface type SPI Features Configurable wetting current, Integrated 10-bit ADC, Interrupt wake-up operation, Overvoltage warning, Polling mode, SPI, Undervoltage warning, Withstands load dump condition and reverse polarity condition Diagnostics ADC self-diagnostic, Wetting current diagnostic Logic voltage (min) (V) 3 Logic voltage (max) (V) 5.5 Rating Catalog
Number of input channels 24 Operating voltage (min) (V) 6.5 Operating voltage (max) (V) 24 Input/output voltage (max) (V) 40 Input/output voltage (min) (V) -24 IO current (mA) 1, 2, 5, 10, 15 Operating temperature range (°C) -40 to 105 Interface type SPI Features Configurable wetting current, Integrated 10-bit ADC, Interrupt wake-up operation, Overvoltage warning, Polling mode, SPI, Undervoltage warning, Withstands load dump condition and reverse polarity condition Diagnostics ADC self-diagnostic, Wetting current diagnostic Logic voltage (min) (V) 3 Logic voltage (max) (V) 5.5 Rating Catalog
HTSSOP (DCP) 38 62.08 mm² (9.7 mm × 6.4 mm)
  • Operates with Supply Voltage (VS) from 6.5 V to 35 V with Over-voltage and Under-voltage Warning
  • Monitors up 24 Direct Switch Inputs with 10 Inputs Configurable to Monitor Switches Connected to Either Ground or Supply
  • Switch Input Withstands 40 V and Reverse Supply Condition Down to -24 V
  • 6 Configurable Wetting Current Settings:
    (0 mA, 1 mA, 2 mA, 5 mA, 10 mA, and 15 mA)
  • Integrated 10-bit ADC for Multi-Position Analog Switch Monitoring
  • Integrated Comparator with 4 Programmable Threshold for Input Monitoring
  • Ultra-low Operating Current in Polling Mode:
    68 µA Typical (tPOLL = 64 ms, tPOLL_ACT = 128 µs,
    All 24 Inputs Active, Comparator Mode, All Switches Open)
  • Interfaces Directly to MCU Using 3.3 V/5 V Serial Peripheral Interface (SPI) Protocol
  • Interrupt Generation to Support Wake-Up Operation on All Inputs
  • Integrated Supply and Temperature Sensing
  • ±8 kV Contact Discharge ESD Protection on Input Pins per IEC 61000-4-2 With Appropriate External Components
  • 38-Pin TSSOP Package
  • Operates with Supply Voltage (VS) from 6.5 V to 35 V with Over-voltage and Under-voltage Warning
  • Monitors up 24 Direct Switch Inputs with 10 Inputs Configurable to Monitor Switches Connected to Either Ground or Supply
  • Switch Input Withstands 40 V and Reverse Supply Condition Down to -24 V
  • 6 Configurable Wetting Current Settings:
    (0 mA, 1 mA, 2 mA, 5 mA, 10 mA, and 15 mA)
  • Integrated 10-bit ADC for Multi-Position Analog Switch Monitoring
  • Integrated Comparator with 4 Programmable Threshold for Input Monitoring
  • Ultra-low Operating Current in Polling Mode:
    68 µA Typical (tPOLL = 64 ms, tPOLL_ACT = 128 µs,
    All 24 Inputs Active, Comparator Mode, All Switches Open)
  • Interfaces Directly to MCU Using 3.3 V/5 V Serial Peripheral Interface (SPI) Protocol
  • Interrupt Generation to Support Wake-Up Operation on All Inputs
  • Integrated Supply and Temperature Sensing
  • ±8 kV Contact Discharge ESD Protection on Input Pins per IEC 61000-4-2 With Appropriate External Components
  • 38-Pin TSSOP Package

The TIC12400 is an advanced Multiple Switch Detection Interface (MSDI) device designed to detect external switch statuses. The TIC12400 supports 24 direct inputs, with 10 inputs configurable to monitor digital I/O switches. 6 wetting current settings can be programmed for each input to support different application scenarios. The TIC12400 features an integrated 10-bit ADC to monitor multi-position analog switches and a comparator to monitor digital switches independently of the MCU. The device supports wake-up operation on all switch inputs to eliminate the need to keep the MCU active continuously, thus reducing power consumption of the system. The TIC12400 supports 2 modes of operations: continuous and polling mode. In continuous mode, wetting current is supplied continuously. In polling mode, wetting current is turned on periodically to sample the input status based on a programmable timer, thus the system power consumption is significantly reduced. The TIC12400 also offers various fault detection and diagnostic features for improved system robustness.

The TIC12400 is an advanced Multiple Switch Detection Interface (MSDI) device designed to detect external switch statuses. The TIC12400 supports 24 direct inputs, with 10 inputs configurable to monitor digital I/O switches. 6 wetting current settings can be programmed for each input to support different application scenarios. The TIC12400 features an integrated 10-bit ADC to monitor multi-position analog switches and a comparator to monitor digital switches independently of the MCU. The device supports wake-up operation on all switch inputs to eliminate the need to keep the MCU active continuously, thus reducing power consumption of the system. The TIC12400 supports 2 modes of operations: continuous and polling mode. In continuous mode, wetting current is supplied continuously. In polling mode, wetting current is turned on periodically to sample the input status based on a programmable timer, thus the system power consumption is significantly reduced. The TIC12400 also offers various fault detection and diagnostic features for improved system robustness.
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* Hoja de datos TIC12400 24-Input Multiple Switch Detection Interface (MSDI) Device With Integrated ADC and Adjustable Wetting Current datasheet PDF | HTML 22/09/2017

Diseño y desarrollo

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Placa de evaluación

TIC12400EVM-KIT — Kit de módulo de evaluación para la interfaz de detección de conmutación múltiple TIC12400-Q1 de 24

El TIC12400EVM-KIT es una plataforma de evaluación flexible de dos placas que le permite evaluar la amplia gama de funciones del dispositivo TIC12400-Q1. El dispositivo TIC12400-Q1 es una solución de interruptor y monitoreo de contactos de 24 canales que incorpora una arquitectura de sondeo de (...)
Guía del usuario: PDF
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Modelo de simulación

TIC12400 IBIS Model

SCPM044.IBS (255 KB) - Modelo IBIS
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