Overview

Features and Benefits

  • Robust Solutions
    • 65V Absolute Maximum Supply Range
    • CRC Error Checking on the SPI Interface
    • Watchdog Timers for Monitoring SPI and SYNCH
    • Per Channel Overload Diagnostic and Protection
    • Loss of VDD or GND Protection
    • Thermal Shutdown Protection
    • Integrated ±1kV / 42Ω IEC 61000-4-5 Surge Protection
    • ±7kV / IEC 61000-4-2 Contact Discharge Method
    • ±30kV / IEC 61000-4-2 Air Discharge Method
    • -40° C to +125°C Operating Ambient Temperature
  • Reduces Power and Heat Dissipation
    • 120mΩ (typ) On-Resistance at TA = 25°C
    • 2.5mA (typ) Supply Current
    • Accurate Output Current Limiting
  • Flexible
    • SYNCH Input for Simultaneous Update of Switches
    • LED Driver Matrix for 16 LEDs, Powered from 3.0V to 36V
    • Internal Clamps for Fast Inductive Load Demagnetization
    • Daisy Chainable SPI
    • Flexible Logic Voltage Interface from 2.5V to 5.5V
    • Pin Compatible with the MAX14915 and MAX14916 in Daisy-Chain Configuration
  • Compact 6mm x 6mm FC2QFN Package

Product Details

The MAX14917 has eight high-side switches specified to deliver up to 700mA (min) continuous current per channel. The high-side switches have on-resistance of 120mΩ (typ) at 25°C ambient temperature.

The device has an SPI interface that can be daisy chained, allowing communication with multiple MAX14917 devices utilizing a common SPI chip select (active-low CS). There are also per-channel overload diagnostics provided through the SPI interface. Two watchdog timers provide an additional safety check of the master-to-device connectivity.

The MAX14917 features a 4 x 4 LED cross-bar matrix, which provides a visual indication of channel status and overload conditions for each channel, and an integrated line-to-ground and line-to-line surge protection provides robustness to the electrical stress as per IEC 61000-4-5 and requires only one TVS on VDD. The MAX14917 is available in a compact 48-pin 6mm x 6mm FC2QFN package.

Applications

  • Industrial Digital Outputs
  • PLC Systems
  • Factory Automation
  • Building Automation
  • Industrial IoT

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.