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多開關偵測介面 (MSDI) IC

TIC10024-Q1

現行

具有 SPI 的汽車 35-V 多切換偵測介面 (MSDI)

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產品規格表

TIC10024-Q1

現行
產品規格表 立即訂購

產品詳細資料

Number of input channels 24 Operating voltage (min) (V) 4.5 Operating voltage (max) (V) 35 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 125 TI functional safety category Functional Safety-Capable Interface type SPI Features Configurable wetting current, Interrupt wake-up operation, Overvoltage warning, Polling mode, SPI, Undervoltage warning, Withstands load dump condition and reverse polarity condition Logic voltage (min) (V) 3 Logic voltage (max) (V) 5.5 Rating Automotive
Number of input channels 24 Operating voltage (min) (V) 4.5 Operating voltage (max) (V) 35 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 125 TI functional safety category Functional Safety-Capable Interface type SPI Features Configurable wetting current, Interrupt wake-up operation, Overvoltage warning, Polling mode, SPI, Undervoltage warning, Withstands load dump condition and reverse polarity condition Logic voltage (min) (V) 3 Logic voltage (max) (V) 5.5 Rating Automotive
HTSSOP (DCP) 38 62.08 mm² (9.7 mm × 6.4 mm)
  • Qualified for automotive applications
  • AEC-Q100 Qualified with the following results:
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature
    • Device HBM ESD classification level H2
    • Device CDM ESD classification level C4B
  • Functional Safety-Capable
  • Designed to support 12-V automotive systems with over-voltage and under-voltage warning
  • Monitors up to 24 direct switch inputs with 10 inputs configurable to monitor switches connected to either ground or battery
  • Switch input withstands up to 40 V (load dump condition) and down to –24 V (reverse polarity condition)
  • 6 Configurable wetting current settings: (0 mA, 1 mA, 2 mA, 5 mA, 10 mA, and 15 mA)
  • Integrated comparator with 4 programmable thresholds for digital switch 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
  • ±8 kV Contact discharge ESD protection on input pins per ISO-10605 with appropriate external components
  • 38-Pin TSSOP package
  • Qualified for automotive applications
  • AEC-Q100 Qualified with the following results:
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature
    • Device HBM ESD classification level H2
    • Device CDM ESD classification level C4B
  • Functional Safety-Capable
  • Designed to support 12-V automotive systems with over-voltage and under-voltage warning
  • Monitors up to 24 direct switch inputs with 10 inputs configurable to monitor switches connected to either ground or battery
  • Switch input withstands up to 40 V (load dump condition) and down to –24 V (reverse polarity condition)
  • 6 Configurable wetting current settings: (0 mA, 1 mA, 2 mA, 5 mA, 10 mA, and 15 mA)
  • Integrated comparator with 4 programmable thresholds for digital switch 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
  • ±8 kV Contact discharge ESD protection on input pins per ISO-10605 with appropriate external components
  • 38-Pin TSSOP package

The TIC10024-Q1 is an advanced Multiple Switch Detection Interface (MSDI) device designed to detect external switch status in a 12-V automotive system. The TIC10024-Q1 features a comparator with adjustable thresholds to monitor digital switches independently of the MCU. The device monitors 24 direct switch inputs, with 10 inputs configurable to monitor switches connected to either ground or battery. There are 6 unique wetting current settings that can be programmed for each input to support different application scenarios. 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 TIC10024-Q1 also offers integrated fault detection and ESD protection for improved system robustness. The TIC10024-Q1 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 TIC10024-Q1 is an advanced Multiple Switch Detection Interface (MSDI) device designed to detect external switch status in a 12-V automotive system. The TIC10024-Q1 features a comparator with adjustable thresholds to monitor digital switches independently of the MCU. The device monitors 24 direct switch inputs, with 10 inputs configurable to monitor switches connected to either ground or battery. There are 6 unique wetting current settings that can be programmed for each input to support different application scenarios. 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 TIC10024-Q1 also offers integrated fault detection and ESD protection for improved system robustness. The TIC10024-Q1 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.
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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 TIC10024-Q1 24-Input Multiple Switch Detection Interface (MSDI) Device With Adjustable Wetting Current for Automotive Systems datasheet (Rev. A) PDF | HTML 2022/2/9
功能安全資訊 TIC12400-Q1, TIC10024-Q1 Functional Safety, FIT Rate, Failure Mode Distribution PDF | HTML 2021/8/12
技術文章 Body control module resources to make your design more efficient and reliable PDF | HTML 2020/10/30
應用說明 Steps to Configure TIC12400-Q1 Multiple Switch Detection Interface (MSDI) 2019/4/7
測試報告 TIC12400-Q1 and TIC10024-Q1 ISO-10605 ESD Test Report 2017/11/27
技術文章 Body control modules – invisible but fundamental for every car PDF | HTML 2017/10/19

設計與開發

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開發板

TIC12400EVM-KIT — 適用於 TIC12400-Q1 24 路輸入多開關偵測介面的評估模組套件

TIC12400EVM-KIT 是靈活的雙板評估平台，可供您評估 TIC12400-Q1 裝置的各種功能集。TIC12400-Q1 裝置為 24 通道開關和接觸監控解決方案，整合省電輪詢架構，可配置比較器閾值，具可編程閾值的整合式 ADC，以及各種暫態與故障狀況的整合式保護。此套件包含直覺式且功能豐富的 GUI，可展現 TIC12400-Q1 裝置的優勢。  GUI 整合易於定義的閾值、潤濕電流、輪詢時間和開關狀態輪詢。
使用指南: PDF
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模擬型號

TIC10024 IBIS Model

SCPM045.ZIP (51 KB) - IBIS 模型
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參考設計

TIDA-01237 — 車用多開關偵測介面 (MSDI) 參考設計

此參考設計展示如何使用多開關偵測介面 (MSDI) 裝置處理各種高電壓 (HV) 開關輸入的範例實作。本使用指南提供 MSDI 裝置處理車身控制模組 (BCM)、面板和頂部立柱模組 (TCM) 應用中的 HV 開關輸入的實際範例。此外，此設計運用寬 VIN 低壓差 (LDO) 穩壓器來建立固定的 3.3V 微控制器供應電壓。

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