MAX14828

Low-Power, Ultra-Small IO-Link Device Transceiver

Low-Power, Ultra-Small, Robust IO-Link Transceiver


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说明

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.
MAX14828: Functional Diagram MAX14828: Functional Diagram 放大+

关键特性

  • 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

应用

  • 工业传感器
  • IO-Link传感器和执行器
  • 安全应用

请查看具体的参数规格 IO-Link Transceivers and Binary Drivers (15)


Part NumberFunctionsVCC
(V)
VCC
(V)
C/Q
(mA)
Logic-Level Supply Voltage
(V)
Integrated PowerProtection FeaturesPackage/PinsOper. Temp.
(°C)
Budgetary
Price
(min)(max)(typ)(See Notes)
MAX14828 Device Transceiver9652502.5 to 5.5
3.3V LDO
5V LDO
High Temp Warning and Shutdown
Hot Plug Supply Protection
Reverse Polarity
Selectable Overcurrent
Short Circuit
UVLO
TQFN-CU/24
WLP/25
-40 to +125$2.94 @1k

Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。

MAX14828EVKIT: Evaluation Kit for the MAX14828

工具和模型

  • MAX14828 IBIS Model
  • 申请可靠性报告: MAX14828 
    型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

    备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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