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1、Maxim MAX14829低功耗IO -Link收发器解决方案Maxim公司的MAX14829是具有两个驱动器的低功耗IO-Link设备收发器，集成了工业传感器所需要的高压功 能.器件具有两个反向极性保护的超低功耗驱动器，工作电压为9V到60V. MAX14829的高压容差允许使用 micro-TVS,从而简化了瞬态保护.小型(4mm x 4mm) 24引脚TQFN封装降低了占位尺寸，小型传感器驱动器 开态电阻为2.3Q/2.7Q(典型).工作功耗典型值为60mW,可选择驱动器电流100A到330A.引脚控制接口用来 配置和监视.UART 接D,3.3V和5V低噪音线性稳压器.工作温度-40
2、C到+125C，主要用在工业传感 器，IO-Link传感器和激励器以及安全应用.本文介绍了 MAX14829主要优势和特性，功能框图,应用电路图以 及评估板MAX14829 EVK主要特性,电路图，材料清单和PCB设计图.The MAX14829 integrates the high-voltage functions commonly found in industrial sensors. The MAX14829 features two ultra low-power drivers with active reverse-polarity protection and is spe
3、cified for operation with supply voltages from 9V to 60V. The high-voltage tolerance of the MAX14829 allows for the use of micro-TVS, simplifying transient protection.Pins are used to configure and monitor the device. Driver overload and supply monitor outputs are available. Pin-control allows for o
4、peration with switching sensors that do not use a microcontroller.Two integrated linear regulators (3.3V and 5V) provide low-noise analog and logic supply rails for the device or external circuits.The MAX14829 is available in a (4mm x 4mm) 24-pin TQFN package and is specified over the extended -40C
5、to +125C temperature range.MAX14829主要优势和特性：Low Power Dissipation Reduces the Thermal Footprint for Small Sensors 2.3Q/2.7Q (typ) Driver On-Resistance60mW (typ) Operating Power DissipationHigh Configurability and Integration Reduce SKUs Auxilary 24V Digital Output (DO) and Input (DI)Selectable Driver
6、 Current: 100mA to 330mAUART Interface3.3V and 5V Low-Noise Linear RegulatorsOptional External Transistor Supports Higher Regulator Load CapabilitySupervisors Monitor 24V SupplySelectable Driver Integrated Protection Enables Robust Communication 65V Absolute Maximum Ratings on Interface and Supply P
7、ins Allows for Flexible TVS Protection9V to 60V Specified OperationGlitch Filters for Improved Burst and Noise ResilienceThermal Shutdown Autoretry CyclingHot-Plug V24 Supply ProtectionReverse Polarity Protection of All Sensor Interface Inputs/Outputs-40C to +125C Operating Temperature RangeMAX14829
8、 应用：Industrial SensorsIO-Link Sensors and ActuatorsSafety Applications图1. IO-Link是Profibus用户组织(PNO)注册商标图2. MAX14829功能框图图3. MAX14829应用电路图:采用外接降压5V稳压器评估板 MAX14829 EVKThe MAX14829 evaluation kit (EV kit) is a fully assembled and tested circuit board that evaluates the MAX14829 IO-Link device transceive
9、r.The MAX14829 EV kit can be operated stand-alone with pin-strapping or can be driven by a microcontroller using the Arduino-compatible interface.评估板MAX14829 EVK主要特性：IO-Link-Compliant Device TransceiverIO Interface TerminalsProven PCB LayoutFully Assembled and TestedPads for an Arduino Compatible Sh
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