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MAX14820：IO-Link设备收发器

具有业内最高的C/Q驱动，支持远距离、高速数据传输

The MAX14820 transceiver is suitable for IO-Link® devices and 24V binary sensors/actuators. All specified IO-Link data rates are supported. In IO-Link applications, the transceiver acts as the physical layer interface to a microcontroller running the data-link layer protocol. Additional 24V digital inputs and outputs are provided. Two internal linear regulators generate common sensor and actuator power requirements: 5V and 3.3V. On-board C/Q and DO drivers are independently configurable for push-pull, high-side (PNP), or low-side (NPN) operation. The device detects the IO-Link C/Q wake-up condition and generates a wake-up signal on the active-low WU output. The C/Q and DI inputs have selectable current loads for use in actuators. An SPI™ interface allows configuration and monitoring of the devices. Extensive alarm conditions are detected and communicated through the active-low IRQ output and the SPI interface. The devices feature reverse-polarity, short-circuit, and thermal protection. All power lines are monitored for undervoltage conditions. The C/Q driver is specified for sinking/sourcing ±300mA. The DO driver is specified for sinking/sourcing ±135mA. The MAX14820 is available in a 4mm x 4mm, 24-pin TQFN package, and is specified over the extended -40°C to +85°C temperature range.

关键特性 IO-Link Specification V1.0 and V1.1 Physical Layer Compliant Supports COM1, COM2, and COM3 Data Rates IO-Link Device Wake-Up Detection Push-Pull, High-Side, or Low-Side Outputs 300mA Specified C/Q Output Drive 1µF C/Q and DO Load-Drive Capability Auxiliary 24V, 135mA Digital Output Auxiliary 24V Digital Input Optional 6mA/7mA Current Loads at Both 24V Inputs 5V and 3.3V Linear Regulators Reverse-Polarity Protected 24V Supply Output EMI Emission Control Through Slew-Controlled Driver SPI Interface for Configuration and Monitoring 2.5V to 5V Logic Interface Levels Reverse-Polarity and Short-Circuit Protection on All 24V Inputs/Outputs High-Temperature Warning and Thermal Shutdown Extensive Fault Monitoring and Reporting -40°C to +85°C Operating Temperature Range 4mm x 4mm, 24-Pin TQFN Package

MAX14820: Typical Operating Circuit 应用 工业传感器与激励源 IO-Link驱动器 IO-Link传感器

数据手册DataSheet

关键参数

开发工具

• MAX14820EVKIT

技术资料

• Special Considerations for Mode Changes During Active Operation of MAX14820/MAX14821 Sensor/Actuator Transceivers

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