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MAX14824

IO-Link Master Transceiver

Easily Scalable to 16 Channels with Auto Wake-Up Polarity Generation

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Overview

Description

The MAX14824 is an IO-Link® master interface that integrates an IO-Link physical layer transceiver with an auxiliary digital input and two linear regulators. High port count IO-Link master applications are supported through in-band SPI addressing, and the 12MHz SPI interface minimizes host controller access times. In-band addressing and selectable SPI addresses enable cascading up to 16 devices.

The device supports all the IO-Link data rates and features slew-rate-controlled drivers to reduce EMI. The driver is guaranteed to drive up to 300mA (min) load currents. Internal wake-up circuitry automatically determines the correct wake-up polarity, allowing for the use of simple UARTs for wake-up pulse generation.

The MAX14824 is available in a 4mm x 4mm, 24-pin TQFN package with exposed pad, and operates over the extended -40°C to +105°C temperature range.

MAX14824: Typical Operating Circuit

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Key Features

IO-Link v.1.0 and v.1.1 Physical Layer Compliant
Supports COM1, COM2, and COM3 Data Rates
Push-Pull, High-Side, or Low-Side Outputs
300mA C/Q Output Drive
1µF C/Q Load Drive Capability
Generates 500mA Wake-Up Pulse
Automatic Wake-Up Pulse Polarity
Auxiliary Digital Input
5V and 3.3V Linear Regulators
SPI Interface for Configuration and Monitoring
SPI-Based Chip Addressing
EMI Emission Control Through Slew-Controlled Driver
Reverse-Polarity Protection on DI
Short-Circuit Protection on C/Q
High Temperature Warning and Thermal Shutdown
Extensive Fault Monitoring and Reporting
-40°C to +105°C Operating Temperature Range
4mm x 4mm TQFN Package

Applications/Uses

24V Digital Inputs and Outputs
High Port Count IO-Link Masters
IO-Link Master Controllers
PLC Fieldbus Gateways

Parametric Specs

See parametric specs for IO-Link Transceivers and Binary Drivers (15)

Part Number

Functions

V_CC
(V)

C/Q
(mA)

Slew Rate Control

Logic-Level Supply Voltage
(V)

Integrated Power

Protection Features

Package/Pins

Oper. Temp.
(°C)

Budgetary
Price

min

max

typ

See Notes

MAX14824

Master Transceiver

375

Yes

2.3 to 5.5

3.3V LDO

5V LDO

High Temp Warning and Shutdown

Reverse Polarity

Short Circuit

UVLO

TQFN/24

-40 to +105

$4.45 @1k

Pricing Notes:

This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Design Resources

MAX14824EVKIT: Evaluation Kit for the MAX14824

Technical Documents

User Guide 6080 MAXREFDES79# IO-Link Master Quick Start Guide
Tutorial 4701 Introduction to Programmable Logic Controllers (PLCs) and the Operational Function of Main System Modules

Quality And Environmental

Product Reliability Reports: MAX14824.pdf

Device	Fab Process	Technology	Sample size	Rejects	FIT at 25°C	FIT at 55°C	Material Composition

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

Quality Management System >
Environmental Management System >

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Type	ID	Title
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Reference Designs

Type	ID	Title
System Board	6330	MAXREFDES150#: Pocket IO PLC Development Platform
System Board	6095	MAXREFDES79#: 4-Port IO-Link Master
Evaluation Board	7451	MAX14824EVKIT Evaluation Kit for the MAX14824

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