概览

优势和特点

  • 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

产品详情

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

产品分类

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