NOVATO (MAXREFDES16#): 4-20mA loop powered temperature sensor with HART function

The Novato reference design (MAXREFDES16#) is a 16-bit, high-accuracy, loop-powered temperature transducer that transmits temperature information from a remote object to the central control unit over a 4–20mA current loop and using the highway addressable remote transducer (HART) communication protocol.

Schematic PCB

PETALUMA (MAXREFDES30#): 8-channel simultaneous sampling analog front end

The Petaluma (MAXREFDES30#) subsystem reference design is a cost optimized, high-speed and high-accuracy analog measurement solution for three-phase power monitoring applications. Hardware, firmware, design files, and lab measurements provide complete system information for rapid prototyping and development.

Schematic PCB

ALAMEDA (MAXREFDES24#): 4-channel analog output

The Alameda (MAXREFDES24#) subsystem reference design features four dense, highly accurate analog outputs in a compact, galvanically isolated form factor. Each channel provides current or voltage. This design uniquely fits in programmable logic controllers (PLC), distributed control systems (DCS ), and other industrial applications. Hardware, firmware design files, and lab measurements are provided for rapid prototyping and development. The board is also available for purchase.

Schematic PCB

MAXREFDES27#: IO-LINK proximity detection light sensor

Maxim's MAXREFDES27# reference design is a tiny, low-power IO-Link ^® optical proximity sensor compliant with IEC 61131-9. It contains an infrared (IR) receiver, matching IR LED driver, IO-Link transceiver, and efficient step-down converter. The entire design fits on an 8.2mm x 31.5mm printed circuit (PC) board.

Schematic PCB

MAXREFDES36#: 16-channel IO-LINK digital input hub

Maxim's MAXREFDES36# reference design is an IO-Link, low-power, 16-channel digital input hub compliant with IEC 61131-9. It contains two octal digital input serializers, an IO-Link transceiver and efficient step-down converter. The entire design fits in a standard DIN rail printed circuit board (PCB) holder.

Schematic PCB

MAXREFDES71#: Dual-channel analog input/analog output with transformer drive power

The MAXREFDES71# subsystem reference design has two high-speed and high-accuracy analog inputs and analog outputs for industrial motion control applications. Hardware, firmware, design files, and lab measurements provide complete system information for rapid prototyping and development.

Schematic PCB

MAXREFDES32#: Dual Channel Analog Input/Analog Output with Flyback DC Supply

Maxim's MAXREFDES36# reference design is an IO-Link, low-power, 16-channel digital input hub compliant with IEC 61131-9. It contains two octal digital input serializers, an IO-Link transceiver and efficient step-down converter. The entire design fits in a standard DIN rail printed circuit board (PCB) holder.

Schematic PCB

MAXREFDES48#: 24V to 12V, 40W isolated power supply with EFD20 core transformer

The MAXREFDES48# reference design is a high-efficiency, high-precision, isolated DC-DC forward converter with an active clamp, current-mode PWM controller. The converter accepts 18V to 36V DC input and delivers output current up to 3.5A at 12V . Test results and hardware files provide complete documentation for the design. The board is also available for purchase.

Schematic PCB

MAXREFDES41#: 24V to 12V, 40W isolated power supply with planar transformer

The MAXREFDES41# reference design is a high-efficiency, high-precision, isolated DC-DC forward converter with an active clamp, current-mode PWM controller. The converter accepts 18V to 36V DC input and delivers output current up to 3.5A at 12V . Test results and hardware files provide complete documentation for the design. The board is also available for purchase.

Schematic PCB

MAXREFDES74#: 18-bit high-precision data acquisition system

The MAXREFDES74# is a precision data acquisition system which includes an 18-bit, 500ksps, ±5V SAR analog-to-digital converter (ADC), the MAX11156, and an 18-bit, 3µs settling time, ±2 LSB (max) INL digital-to-analog converter (DAC), the MAX5318. The data acquisition system can be used as a stand-alone evaluation board or as a mezzanine card to ZedBoard™, a development board for the Xilinx ^® Zynq ^® -7000 All Programmable SoC.

Schematic PCB

MAXREFDES61#: 16-bit, four-channel analog input micro PLC card

The MAXREFDES61# reference design ushers in the era of Industry 4.0. With a complete analog front-end for the next generation of ultra-small programmable logic controllers, this design meets the higher resolution and higher voltage needs of industrial control and industrial automation applications, while consuming minimal power and space. This high-performance system features four channels of analog input, a complete, efficient power-supply system and on-board processing. Hardware and firmware design files as well as FFTs and histograms from lab measurements are provided.

Schematic PCB

MAXREFDES60#: 16-bit analog output micro PLC

The MAXREFDES61# reference design ushers in the era of Industry 4.0. With a complete analog front-end for the next generation of ultra-small programmable logic controllers, this design meets the higher resolution and higher voltage needs of industrial control and industrial automation applications, while consuming minimal power and space. This high-performance system features four channels of analog input, a complete, efficient power-supply system and on-board processing. Hardware and firmware design files as well as FFTs and histograms from lab measurements are provided.

Schematic PCB

MAXREFDES75# 24-bit electronic scale with 16-bit DAC, 0 to 10V output

The MAXREFDES75# is a high-resolution weigh scale reference design with a 0 to 10V output. The design, or strain-gauge measuring system, includes the MAX11270, a 24-bit, 64ksps, delta-sigma analog-to-digital converter ( ADC), and the MAX542, a 16-bit, 1µs settling time, 2 LSB (max) INL digital-to-analog converter (DAC). The MAXREFDES75# operates as a stand-alone reference board and includes calibration using a USB and a Windows ^® PC.

Schematic PCB

MAXREFDES62#: RS-485 communication micro PLC card

The MAXREFDES62# reference design ushers in the era of Industry 4.0. With dual RS-485 communication channels for the next generation of ultra-small programmable logic controllers, this design meets the data rate and higher voltage needs of industrial control and industrial automation applications, while consuming minimal power and space. This high-performance system features one half-duplex RS-485 transceiver, one full-duplex RS-485 transceiver, a complete, efficient power-supply system and on-board processing. Hardware and firmware design files as well as results of lab measurements are provided.

MAXREFDES63#: 8-channel digital output micro PLC card

The MAXREFDES63# reference design ushers in the era of Industry 4.0. This design meets the higher voltage needs of industrial control and industrial automation applications, while consuming minimal power and space. This high-performance system features eight channels of digital outputs and a complete, efficient power-supply system. Hardware and firmware design files are provided.

MAXREFDES64#: 8-channel digital input micro PLC card

The MAXREFDES64# reference design ushers in the era of Industry 4.0. This design meets the higher voltage needs of industrial control and industrial automation applications while consuming minimal power and space. This high-performance system features eight channels of digital inputs and a complete, efficient power-supply system. Hardware and firmware design files are provided.

PoE powered LED lighting reference circuit

Schematic PCB

MAXREFDES46#: 4-channel analog input/output

The MAXREFDES46# subsystem reference design meets the needs of modern factory control nodes by featuring four, dense, highly accurate analog inputs and outputs in a compact, galvanically isolated form factor. Analog input channels measure current or voltage and analog output channels provide current or voltage . This design uniquely fits programmable logic controllers (PLC), distributed control systems (DCS), and other industrial applications. Hardware and firmware design files and lab measurements are provided for rapid prototyping and development. The board is also available for purchase.

Schematic PCB

MAXREFDES67#: Universal input micro PLC

Maxim Integrated's MAXREFDES79# reference design is a fully compliant IO-Link version 1.1, 4-port IO-Link Master using a TEConcept software stack. The system contains four IO-Link master transceivers, a standard ARM® Cortex® M3 processor, and efficient industrial step-down DC-DC converters. The MAXREFDES79# comes preprogrammed and ready to connect with any compliant IO-Link device using a simple-to-use graphical user interface (GUI) program. Design files including schematic, PCB, BOM, GUI software, and compliance report are available for download.

Schematic PCB

MAXREFDES77#: Dual-channel current sensing peripheral module

This reference design demonstrates the performance of the MAX44285 dual-channel, high-precision, high-voltage, current-sense amplifier. It is a Pmod module that contains all the necessary circuitry required for the design of a current and temperature monitoring system.

Schematic PCB