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MAX14828 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX14828 Datasheet(HTML) 1 Page - Maxim Integrated Products |
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1 / 39 page  General Description The MAX14828 integrates the high-voltage functions commonly found in industrial sensors. The MAX14828 features one ultra low-power driver (C/Q) with active reverse-polarity protection. An auxiliary digital input is provided to allow firmware updates through a UART interface. Transient protection is simplified due to high voltage tolerance allowing the use of micro TVS. The device features a flexible control interface. Pin-control logic inputs allow for operation with switching sensors that do not use a microcontroller. For sensors that use a microcontroller, an SPI interface is available with extensive diagnostics. For IO-Link operation, a UART interface is provided, allowing interfacing to the microcontroller UART. Finally, a multiplexed UART/SPI option allows using one serial microcontroller interface for shared SPI and UART interfaces. The device includes on-board 3.3V and 5V linear regulators for low-noise analog/logic supply rails. The MAX14828 is available in a (4mm x 4mm) 24-pin TQFN package and a (2.5mm x 2.5mm) wafer-level package (WLP) and is specified over the extended -40°C to +125°C temperature range. Applications ● Industrial sensors ● IO-Link sensors and actuators ● Safety applications Benefits and Features ● Low Power Dissipation for Small Sensors • 1.2Ω (typ) Driver On-Resistance • 50mW (typ) Power Dissipation When Driving 100mA Load ● High Configurability and Integration Reduce SKUs • Auxiliary 24V Digital Input • Selectable Driver Current: 50mA to 250mA • SPI or Pin-Control Interface for Configuration and Monitoring • Multiplexed SPI/UART Interface Option • 5V and 3.3V Linear Regulators • Optional External Transistor Supports Higher Regulator Loads • Integrated LED Drivers • Pin and Software Compatible to MAX14827A ● Robust Communication • 65V Absolute Maximum Ratings on Interface and Supply Pins Allows for Flexible TVS Protection • Glitch Filters for Improved Burst Resilience and Noise • Thermal Shutdown • Hot-Plug Supply Protection • Reverse Polarity Protection of All Sensor Interface Inputs/Outputs • -40°C to +125°C Operating Temperature Range Ordering Information appears at end of data sheet. IO-Link is a registered trademark of Profibus User Organization (PNO). SPI is a trademark of Motorola, Inc. 19-100001; Rev 0; 6/17 MAX14828 GND C/Q V24 REG V5 L+ L- 1 4 2 3 1µF MICROCONTROLLER VCC 3.3V 5V VL V33 GPIO IRQ/OC 10kΩ SPI RX RX IRQ WU TX TX RTS TXEN GND SPI/PIN 1µF UARTSEL C/Q 0.1µF LED1 DI MAX14828 Low-Power, Ultra-Small IO-Link Device Transceiver Typical Operating Circuit EVALUATION KIT AVAILABLE |
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Similar Description - MAX14828 |
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