CN0256

Isolated LVDS interface circuit

Schematic PCB

Corona (MAXREFDES12#): Isolated, eight-channel, industrial digital input level translator/serializer

This document explains how the Corona (MAXREFDES12#) subsystem reference design provides a compact and simple isolated digital input interface for industrial control and automation applications. Hardware and firmware design files are provided.

Schematic PCB

Remote monitoring system sends emails via SMS

This application note demonstrates how to make a simple system that monitors temperature and analog voltages remotely. On meeting certain alarm conditions, the system can send SMS messages, which are then converted to email and forwarded to the designated email address.

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

CN0336

12-bit, 300 kSPS, single supply, fully isolated data acquisition system for 4-20 mA input

Schematic PCB

SANTA FE (MAXREFDES5#): 16-bit, high-precision, multiple-input, isolated analog front end (AFE)

This document explains how the Santa Fe (MAXREFDES5#) subsystem reference design meets the higher resolution, higher voltage, and isolation needs of industrial control and industrial automation applications. Hardware and firmware design files as well as FFTs and histograms from lab measurements are provided.

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

CN0278

Complete 4 mA to 20 mA HART solution with additional voltage output capability

Schematic PCB

Multi-cell battery manager unit with integrated charging, fuel monitoring, authentication and protection functions

The Texas Instruments (TI) bq40z60 device is a battery pack manager that integrates battery charge control output, fuel monitoring and protection functions to enable fully autonomous operation of 2- to 4-cell Li-ion and Li-polymer battery packs. This architecture enables internal communication between the gas-monitoring processor and the battery charger controller to optimize charge based on external load conditions and power path source management during system load transients and adapter current limits. The charging current efficiency is different for different power delivery external components such as NFETs, inductors and sense resistors.

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

VGA 8:1 Multiplexer Reference Design Using the MAX4885

This reference design (RD) features a fully assembled and tested surface-mount printed circuit board (PCB). The RD board utilizes the MAX4885 1:2 or 2:1 multiplexer and other ICs to implement a complete video graphics array (VGA) 8:1 multiplexer. VGA input/output connections are provided to easily interface the MAX4885 RD board with VGA-compatible devices. The RD board gives the option to use a single 5V DC power supply (V+), or this RD board can be powered from any one of the eight VGA sources.

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

MAXREFDES73#: Wearable, galvanic skin response system

The MAXREFDES73# reference design is a wearable, mobile galvanic skin response system. Featuring the MAX32600 wellness measurement microcontroller, this battery-powered platform takes high-precision AC impedance measurements while consuming minimal power.

Schematic PCB

MAXREFDES1152: Quad general-purpose analog input based on the MAX11270

The MAXREFDES1152 is a four-channel universal analog input that measures voltage or current signals. Each channel can be configured for voltage input at 0 to 10V or current input at 0 to 20mA. A 24V power supply can be switched out to power an external 2 -Wire, 3-Wire, or 4-Wire sensor.

Schematic PCB

Optimize the load switching function of DS2715 battery charger

Integrating a battery-load switch function into a smart-charger IC greatly benefits low-cost applications. The DS2715 battery-charger IC intelligently senses battery loading after removal of the charge source to seamlessly maintain power to connected loads. This application note details examples of several application circuits that optimize the performance of the DS2715. Specifically, it presents a circuit for applications in which the DS2715 is connected to noncontinuous loads, and a circuit for powering the load directly from batteries.

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

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

MONTEREY (MAXREFDES15#): Ultra-low power, high accuracy, 4–20mA, 2-wire current loop sensor

The Monterey (MAXREFDES15#) subsystem reference design is a high-accuracy industrial loop powered sensor transmitter that connects to any standard PT1000 resistance sensor and converts the linearized temperature to a 4–20mA current signal, which is immune to noise and remains constant over long distances.

Schematic PCB

SJA1105Q-EVB: Ethernet switch and PHY evaluation board.

OM13587: PTN5110 Type-C Demonstration Kit

The PTN5110 Type-C demo kit shows a fully functional USB PD connection between DFP and UFP. The motherboard and docking board can also be ordered separately.

Schematic PCB