MAX14824

IO-Link Master Transceiver

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


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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 MAX14824: Typical Operating Circuit Enlarge+

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

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


Part NumberFunctionsVCC
(V)
VCC
(V)
C/Q
(mA)
Slew Rate ControlLogic-Level Supply Voltage
(V)
Integrated PowerProtection FeaturesPackage/PinsOper. Temp.
(°C)
Budgetary
Price
minmaxtypSee Notes
MAX14824 Master Transceiver936375Yes2.3 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.

MAX14824EVKIT: Evaluation Kit for the MAX14824
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.

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