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Maxim Integrated - IO-Link Device Transceiver

Numéro de référence MAX14827A
Description IO-Link Device Transceiver
Fabricant Maxim Integrated 
Logo Maxim Integrated 





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MAX14827A fiche technique
EVALUATION KIT AVAILABLE
MAX14827A
Low-Power, Ultra-Small, Dual Driver,
IO-Link Device Transceiver
General Description
The MAX14827A integrates the high-voltage functions
commonly found in industrial sensors, including drivers
and regulators. The MAX14827A features two ultra low-
power drivers with active reverse-polarity protection.
Operation is specified for normal 24V supply voltages
up to 60V. 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 three-wire
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 MAX14827A is available in a (4mm x 4mm) 24-pin
TQFN package and a (2.5mm x 2.5mm) 25-pin 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
2.3Ω/2.7Ω (typ) Driver On-Resistance
70mW (typ) Power Dissipation at 100mA (When
Both C/Q and DO Drivers Are Driving)
High Configurability and Integration Reduce SKUs
Auxiliary 24V Digital Output and Input
Selectable Driver Current: 50mA to 250mA
SPI/Pin-Control Interface for Configuration and
Monitoring
Multiplexed SPI/UART Interface Option
5V and 3.3V Linear Regulators
Optional External Transistor Supports Higher
Regulator Load Capability
Integrated LED Driver
Selectable Driver Integrated Protection Enables
Robust Communication
65V Absolute Maximum Ratings on Interface and
Supply Pins Allows for Flexible TVS Protection
9V to 60V Specified Operation
Glitch Filters for Improved Burst Resilience and
Noise
Thermal Shutdown Auto-Retry Cycling
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.
Typical Operating Circuit
5V
3.3V
1µF
1µF
10k
VCC
GPIO
GPO
MICROCONTROLLER
IRQ
RX
TX
RTS
GND
SPI
VL
SPI/PIN
IRQ/OC
LED1IN
V33
V5 REG
MAX14827A
WU
RX
TX
TXEN
UARTSEL
LED1
V24
DO
DI
GND
C/Q
0.1µF
L+
DI/DO
1
2
4
3
C/Q
L-
IO-Link is a registered trademark of Profibus User Organization (PNO).
SPI is a trademark of Motorola, Inc.
19-8592; Rev 1; 9/16

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