MAX14916

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

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

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量产

顶部

概览

优势和特点
产品详情

优势和特点

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, Both with Switches On and Off
- Undervoltage Detection with UVLO
- Loss of V_DD 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 T_A = 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

产品详情

The MAX14916 has eight high-side switches specified to deliver up to 1.1A (min) continuous current per channel. The two adjacent channels can be paralleled to form four 2.4A high-side switches. The high-side switches have on-resistance of 250mΩ (max) at 125°C ambient temperature.

The SPI interface has a built-in chip addressing decoder, allowing communication with multiple MAX14916s utilizing a common SPI chip select (active-low CS pin pulled low).

The SPI interface provides flexibility for global and per-channel configuration and diagnostic, including undervoltage detection, open wire/load detection, overload and current limiting reporting, thermal conditions reporting, and more.

Open load detection detects both open-wire/open-load conditions with switches in the on and off states. LED drivers provide indication of per-channel fault, status, and supply undervoltage conditions. Internal active clamps allow for fast turn-off of inductive loads.

Integrated line-to-ground and line-to-line surge protection only requires a TVS on V_DD. Integrated surge protection works for quad and octal configuration.

The MAX14916 is available in a compact 48-pin 6mm x 6mm QFN package.

Applications

Industrial Digital Outputs
PLC Systems

产品分类

接口和隔离
- 数字I/O

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产品生命周期量产

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评估套件 (2)

MAX14916EVKIT

Evaluation Kit for the MAX14916

MAX14916PMB

Evaluation Kit for MAX14916

MAX14916EVKIT

查看此评估套件详细信息

The MAX14916 evaluation kit (EV kit) provides a proven design to evaluate the MAX14916, 2.4A (min) quad highside 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 EV kit should be ordered separately.

The GUI is compatible with Windows 10 for exercising the features of the MAX14916 IC. The EV kit GUI allows individually controlling of eight high-side switches, which hardware configured for quad high-current operation, through the high-speed SPI interface and receive a diagnostic information from the MAX14916, including open-wire/ open-load conditions, state of the output channels, multiple undervoltage alarms, global and per channel overtemperature alarms, and multiple fault alarms.

The MAX14916 EV kit must be powered from an external +24V power supply and can consume more than 10A when fully loaded. The USB2GPIO interface board is powered from the USB port.

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

优势和特点

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

MAX14916PMB

查看此评估套件详细信息

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.