MAX14916

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Compact Industrial Octal 1A/Quad 2A High-Side Switch with Diagnostics

Industry's Smallest Octal Industrial 1A/Quad 2A High Side Switch with Diagnostics

Data Sheet (Rev. 3) Product Selection Table
Part Models
2
1ku List Price
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Part Details

  • MAX14916 Current Limit, 1.1A (min) or 1.38A (typ)
  • MAX14916A Current Limit, 1.5A (min) or 2A (typ)
  • Robustness and Smart Diagnostics
    • 65V Absolute Maximum Supply Range
    • Internal Clamps for Fast Inductive Load Demagnetization
    • CRC Error Checking on the SPI Interface
    • Watchdog Timer
    • Open-Wire Detection, with Switches Both in ON and OFF States
    • Undervoltage Detection with UVLO
    • Loss of VDD or GND Protection
    • Thermal Shutdown Protection
    • Integrated ±1kV/42Ω IEC61000-4-5 Surge Protection
    • -40°C to +125°C Operating Ambient Temperature
  • Reduces Power and Heat Dissipation
    • 250mΩ (max) On-Resistance at TA = 125°C
    • 2mA (typ) Supply Current
    • Accurate Output Current Limiting
  • Flexibility
    • Addressable SPI Interface Reduces Isolation Cost
    • SYNCH Input for Simultaneous Update of Switches
    • LED Driver Matrix for 16 LEDs, Powered by 24V, 5V, or 3.3V
    • Flexible Logic Voltage Interface from 2.5V to 5.5V
  • Compact 6mm x 6mm QFN Package
MAX14916
Compact Industrial Octal 1A/Quad 2A High-Side Switch with Diagnostics
MAX14916-MAX14916A Typical Application Circuit 01 MAX14916-MAX14916A Typical Application Circuit 02 MAX14916-MAX14916A Pin Configuration MAX14916-MAX14916A Simplified Block Diagram
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Documentation

Data Sheet 1

Application Note 3

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Software Resources

Device Drivers 2

Tools & Simulations

Software Development 1

IBIS Model 1

Evaluation Kits

eval board
schematic 1
schematic 2
schematic 3
MAX14916EVKIT

Evaluation Kit for the MAX14916 and MAX14916A

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Features and Benefits

  • Current Limit in Quad-Channel Configuration
    • MAX14916: 2.78A (typ)
    • MAX14916A: 4A (typ)
  • Robust Operation with Wide Range Of Input Voltages and Load Conditions
  • VDDOK Indication
  • LED Indication of Channels Status and Fault Conditions
  • Fast Inductive Load Demagnetization
  • Open-wire, Overload, Undervoltage, Overcurrent, Thermal Shutdown Fault Conditions Indication
  • Supports Watchdog and SYNCH Features
  • Communication Error Indication
  • Wide Logic Voltage Range
  • Pin Addressable SPI Communication
  • -40°C to +125°C Temperature Range
  • Proven PCB Layout
  • Fully Assembled and Tested
  • Windows 10 Compatible Software

Product Details

This evaluation kit provides a proven design to evaluate the MAX14916 and MAX14916A, eight-channel high-side switch with extended diagnostics. The EV kit includes the MAX14916 evaluation board and a graphical user interface (GUI) that provides communication from a PC to the target device through a USB port and the USB2GPIO# interface board. The USB2GPIO# board should be ordered separately. The MAX14916 EV kit comes with a MAX14916AFM+ in a 48-pin, 6mm x 6mm FC2QFN package, installed as U1. The EV kit can also be used to evaluate the MAX14916AAFM+. The user needs to order the MAX14916AAFM+ samples and replace U1.

The GUI is compatible with Windows® 10 for exercising the features of the MAX14916 IC. The EV kit connects the two adjacent channels of the MAX14916 together for quad high-output current operation. The EV kit software, however, gives access to the full register map, allowing individual control of the eight high-side switches. Refer to the MAX14915 EV kit to evaluate the octal output configuration. The software also retrieves all the diagnostic information from the MAX14916, including open-wire conditions, state of the output channels, multiple undervoltage alarms, global and per-channel overtemperature alarms, and other fault alarms.

The MAX14916 EV kit must be powered from an external +24V power supply and can consume more than 16A when fully loaded. The USB2GPIO# interface board is powered from the USB port.

A single TVS diode on VDD protects all output channels against ±1kV/42Ω IEC 61000-4-5 surge transients.

The MAX14916 EV kit board comes with a MAX14916AFM+ installed in a 48-pin, 6 x 6mm FC2QFN package.

Applications

  • Motion control and drives units
  • PLC safety digital I/O modules
  • PLC standard digital I/O modules

eval board
schematic 4
MAX14916PMB

Evaluation Kit for MAX14916

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Features and Benefits

  • Easy Evaluation of the MAX14916
  • Internal Clamps for Fast Inductive Load Demagnetization
  • Individual Channel Fault Detection
  • Supports Load Currents of up to 2.4A per Channel
  • Works with USB2PMB2# or USB2GPIO# Adapter and Munich GUI Software
  • Fully Assembled and Tested
  • Proven PCB Layout
  • RoHS Compliant

Product Details

The MAX14916PMB (peripheral module board) provides the hardware to evaluate the MAX14916 Octal 1A / Quad 2A industrial high-side switch with diagnostics. Refer to the MAX14916 IC data sheet for detailed information on the operation of the IC. The module takes advantage of the features in the MAX14916, which allow each channel to independently be toggled on and off and continuously monitored for faults. Note the module provides a subset of the MAX14916 features. For greater flexibility, refer to the MAX14916 evaluation kit.

The MAX14916PMB# has a 12-pin Pmod™-compatible connector for serial peripheral interface (SPI) communication. The peripheral module can be used in various ways; Analog Devices sells low-cost USB2PMB2# and USB2GPIO# adapter boards that use the Munich GUI software for SPI communication through a USB cable. This is not included with this board but is available from Analog Devices or one of its distributors. Alternatively, use any microcontroller or field programmable gate array (FPGA) with a 12-pin Pmodcompatible connector for SPI communication.

The PCB dimension is 62mm long x 22.6mm wide, with the width determined by the size of the DO terminal block.
MAX14916EVKIT
Evaluation Kit for the MAX14916 and MAX14916A
MAX14916EVKIT Board Photo Angle MAX14916EVKIT Board Photo Top MAX14916EVKIT Board Photo Bottom
MAX14916PMB
Evaluation Kit for MAX14916
MAX14916PMB# Board Photo

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