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MAXIM IO-Link Solution

MAXIM IO-Link® Solution

Maxim MAX14824 IO-Link® Master Transceiver

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Maxim MAX14824 IO-Link® Master Transceiver

Maxim Integrated MAX14824 IO-Link® Master Transceiver 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. The 12MHz SPI interface minimizes host controller access times. In-band addressing and selectable SPI addresses enable cascading up to 16 devices. Maxim MAX14824 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. MAX14824 is available operates over the extended -40ºC to +105ºC temperature range.

MAX14824 evaluation kit (EV kit) consists of a MAX14824 evaluation board and software. The EV kit is a fully assembled and tested circuit board that evaluates MAX14824.

  • IO-Link v.1.0 and v.1.1 Physical Layer Compliant
  • SupportCOM1, COM2, and COM3 Data Rates
  • Push-Pull, High-Side, or Low-Side Outputs
  • 300mA C/Q Output Drive
  • 1μF C/Q Load Drive Capability
  • Generate500mA 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
  • -40ºC to +105ºC Operating Temperature Range
  • 4mm x 4mm TQFN Package
  • IO-Link Master Controllers
  • PLC Fieldbus Gateways
  • High Port Count IO-Link Masters
  • 24V Digital Inputs and Outputs

Evaluation Kit Features
  • IO-Link-Compliant Master Transceiver
  • IO and SPI Interface Terminals
  • Windows XP-, Windows Vista-, and Windows 7-Compatible Software
  • USB-PC Connection (Cable Included)
  • Proven PCB Layout
  • Fully Assembled and Tested

MAX14824 Functional Diagram
MAX14824 Functional Diagram

Typical Application Circuit
Typical Application Circuit
Maxim MAX14830 Quad Serial UART

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Maxim MAX14830 Quad Serial UART

Maxim Integrated MAX14830 Quad Serial UART is the industry's first quad SPI/I2C UART. Each UART of this Maxim device features 128 words of receive and transmit first-in/first-out (FIFO) and a high-speed serial peripheral interface (SPIK) or I2C controller interface. A PLL and fractional baud-rate generators allow a high degree of flexibility in baud-rate programming and reference clock selection. Logic-level translation on the transceiver and controller interfaces allows ease of interfacing to microcontrollers, FPGAs, and transceivers that are powered by differing supply voltages. Extensive features simplify transceiver control in halfduplex communication applications. Maxim MAX14830 features the ability to synchronize the start of an individual UART’s transmission by SPI-based triggering. On-board timers allow programming of delays between transmitters as well as clock generation on GPIOs. The 128-word FIFOs have advanced FIFO control, reducing host processor data flow management. MAX14830 is specified to operate over the extended -40ºC to +85ºC temperature range.

MAX14830 evaluation kit (EV kit) provides a proven design to evaluate the MAX14830. The EV kit operates from a +3.3V and a +24V DC supply and requires 100mA of current from each supply. This EV kit requires a user-supplied SPI/I2C controller and software. The EV kit comes with a MAX14830ETM+ installed.

  • SPI Up to 26MHz Clock Rate
  • Fast-Mode Plus (Fm+) I²C Interface Up to 1MHz
  • 128-Word Transmit and Receive FIFOs Per UART
  • 6Mbaud (max) Data Rate in 16x Sampling Mode
  • 12/24Mbaud (max) Data Rate in 2x/4x Rate Modes
  • Fractional Baud-Rate Generators, Predivider, and Phase-Locked Loop (PLL)
  • Transmitter Synchronization Through SPI Commands
  • Four Timers Routed to GPIOs
  • Automatic Hardware Flow Control Using Active-Low RTS_ and Active-Low CTS_ Outputs and Inputs
  • Automatic Software Flow Control (XON/XOFF)
  • Auto Transceiver Direction Control
  • Programmable Setup and Hold Times for Transceiver Control
  • Auto Transmitter Disable
  • Half-Duplex Echo Suppression
  • Special Character Detection
  • 9-Bit Multidrop Mode Address Detection and Filtering
  • SIR- and MIR-Compliant IrDA® Encoder/Decoders
  • 16 Flexible GPIOs with 20mA Drive Capability
  • +2.35V to +3.6V Supply Range
  • Logic-Level Translation Down to 1.61V on Controller and Transceiver Interfaces
  • Small TQFN (7mm x 7mm) Package
  • Airplane Communication Buses
  • Automotive Infotainment Systems
  • Industrial Control Systems
  • IO-Link Master Controllers
  • Medical Systems
  • Point-of-Sales Systems
  • Programmable Logic Controllers (PLC)

Evaluation Kit Features
  • +3.3V and +24V Power-Supply Operation
  • On-Board IO-Link Master Transceivers (MAX14824)
  • On-Board RS-485/RS-232 Multiprotocol Transceivers(MAX3160E)
  • PCB Header for User-Supplied SPI- and I2C-Compatible Signals
  • PCB Headers for UART Signals (J1)
  • Evaluates the MAX14830 in a 48-Pin TQFN (7mm x 7mm) Package
  • RoHS Compliant
  • Proven PCB Layout
  • Fully Assembled and Tested

MAX14830 Functional Diagram
MAX14830 Functional Diagram
  • Maxim Integrated