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даташит MAX14827 PDF ( Datasheet )

MAX14827 Datasheet Download - Maxim Integrated

Номер произв MAX14827
Описание IO-Link Device Transceiver
Производители Maxim Integrated
логотип Maxim Integrated логотип 



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MAX14827 Даташит, Описание, Даташиты
MAX14827
EVALUATION KIT AVAILABLE
IO-Link Device Transceiver
General Description
The MAX14827 integrates the high-voltage functions
commonly found in industrial sensors, including drivers
and regulators. The MAX14827 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 MAX14827 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
High Configurability and Integration Reduce SKUs
IO-Link Compliant Transceiver
Auxiliary 24V Digital Output and Input
2.3Ω (typ) Driver On-Resistance
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 Load Capability
Integrated LED 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
Selectable Over-Current Auto-Retry Timing
Thermal Shutdown Auto-Retry Cycling
Hot-Plug Supply Protection up to 36V
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
WU
RX
TX
TXEN
UARTSEL
LED1
V5 REG
MAX14827
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.
19-8441; Rev 0; 12/15







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MAX14827 Даташит, Описание, Даташиты
MAX14827
IO-Link Device Transceiver
Functional Diagram
LED1 LED2* VL V33
V5 REG
V24
LED1IN
SPI/PIN
IRQ/OC
CS/PP
SDI/TX/NPN
CLK/TXEN/200MA
SDO/RX/THSH
RX
TX
TXEN
UARTSEL
WU
LI
LED DRIVER
3.3V
LDO
MAX14827
CONTROL
AND
MONITOR
UVLO
5V REG
REV POL
PROTECTION
VDRV
Transceiver
PROTECTION
WAKE-UP DETECT
VDRV
LO
DRIVER
PROTECTION
C/Q
DI
DO
* WLP PACKAGE ONLY
GND
www.maximintegrated.com
Maxim Integrated │2







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MAX14827 Даташит, Описание, Даташиты
MAX14827
IO-Link Device Transceiver
Absolute Maximum Ratings
(All voltages referenced to GND, unless otherwise noted.)
V24..........................................................................-70V to +65V
REG...............................................................-0.3V to (V5 + 16V)
V5, VL.......................................................................-0.3V to +6V
V33...............................................................-0.3V to (V5 + 0.3V)
C/Q, DO, DI................... MIN: Larger of -70V and (V24 - 70V) to
MAX: the lower of +70V and (V24 + 70V)
Logic Inputs:
CS/PP, TXEN, TX, LED1IN, LI,
UARTSEL, CLK/TXEN/200MA, SPI/PIN,
SDI/TX/NPN...............................................-0.3V to (VL + 0.3V)
Logic Outputs:
RX, LI, LO WU, SDO/RX/THSH................. -0.3V to (VL + 0.3V)
IRQ/OC...................................................................-0.3V to +6V
LED1, LED2................................................... -0.3V to (V5+0.3V)
Continuous Current Into GND and V24.................................±1A
Continuous Current Into C/Q and DO.............................±500mA
Continuous Current Into V5 and REG.............................±100mA
Continuous Current Into Any Other Pin.............................±50mA
Continuous Power Dissipation
TQFN (derate 27.8mW/°C above +70°C)..................2222mW
WLP (derate 22.7mW/°C above +70°C).....................1816mW
Operating Temperature Range.......................... -40°C to +125°C
Maximum Junction Temperature.......................Internally Limited
Storage Temperature Range............................. -65°C to +150°C
Soldering Temperature (reflow, TQFN and WLP)............ +260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
Package Thermal Characteristics (Note 1)
TQFN
WLP
Junction-to-Ambient Thermal Resistance (θJA)...........36°C/W
Junction-to-Case Thermal Resistance (θJC)..................3°C/W
Junction-to-Ambient Thermal Resistance (θJA)...........44°C/W
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.
DC Electrical Characteristics
(V24 = 9V to 60V, V5 = 4.5V to 5.5V, VL = 2.5V to 5.5V, VGND = 0V; REG unconnected, all logic inputs at VL or GND; TA = -40°C to
+125°C, unless otherwise noted. Typical values are at V24 = 24V, V5 = 5V, VL = 3.3V, and TA = +25°C, unless otherwise noted.) (Note 2)
PARAMETER
V24 Supply Voltage
V24 Undervoltage-Lockout
Threshold
V24 Undervoltage-Lockout-
Threshold Hysteresis
SYMBOL
V24
V24UVLO
V24 rising
V24 falling
V24UVLO_HYST
CONDITIONS
MIN
TYP
MAX UNITS
9 60 V
6 7.8 9
6 7.2 9
V
570 mV
C/Q and DO
disabled (CQ_Dis =
1, DO_Dis = 1)
0.14
0.5
V24 Supply Current
C/Q and DO
in push-pull
configuration,
V5 powered
CL[10] = 11, C/Q
I24 externally, REG is and DO high, no
unconnected
load on C/Q or DO
1.1 1.75
mA
C/Q and DO
in push-pull
configuration,
CL[10] = 11, C/Q
and DO low, no load
on C/Q or DO
1.4 1.8
www.maximintegrated.com
Maxim Integrated │3










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