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PDF MAX14827A Data sheet ( Hoja de datos )
| Número de pieza | MAX14827A | |
| Descripción | IO-Link Device Transceiver | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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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
10kΩ
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
1 page  
MAX14827A
Low-Power, Ultra-Small, Dual Driver,
IO-Link Device Transceiver
DC Electrical Characteristics (continued)
(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
SYMBOL
3.3V LINEAR REGULATOR (V33)
V33 Output Voltage
V33 Load Regulation
V33
V33_LDR
V33 Capacitance
CV33
C/Q, DO DRIVER
Driver On-Resistance
ROH
ROL
Driver Current Limit
Driver Peak Current
ICL
ICL_PEAK
CONDITIONS
No load on V33
0mA < ILOAD < 30mA
Allowed capacitance on V33, V33
enabled (Note 3)
High-side enabled, V24 = 24V,
CL[10] = 11, ILOAD = -200mA (Note 3)
Low-side enabled, V24 = 24V,
CL[10] = 11, ILOAD = +200mA (Note 3)
SPI/PIN = high,
VDRIVER = (V24 – 3V)
or 3V, CL_Dis = 0
CL[10] = 00
CL[10] = 01
CL[10] = 10
CL[10] = 11
CLK/TXEN/
SPI/PIN = low, VDRIVER 200MA = low
= (V24 – 3V) or 3V
CLK/TXEN/
200MA = high
DC current
C/Q driver is disabled (C/Q_Dis = 1), RX
disabled (Rx_Dis = 1), V24 = 24V, (V24 -
65V) ≤ VC/Q ≤ +60V
MIN
3.1
0
0.8
50
100
200
250
100
200
-70
TYP
MAX UNITS
3.3 3.5
V
0.4 0.8 %
1 µF
2.65
2.3
65
120
230
290
120
230
4.6
4.45
80
150
275
350
150
275
490
+10
Ω
mA
mA
NPN mode, set to
high impedance (TX
= low), VC/Q = 24V
17.4
C/Q Leakage Current
ILEAK_CQ
C/Q driver enabled
PNP mode, set to
high impedance (TX
= high) VC/Q = 0V
PNP mode, set to
high impedance (TX
= 0) VC/Q = 24V
PNP mode, set to
high impedance (TX
= 0) VC/Q = 0V
0
22.9
-43.5
µA
www.maximintegrated.com
Maxim Integrated │ 5
5 Page 
MAX14827A
Low-Power, Ultra-Small, Dual Driver,
IO-Link Device Transceiver
TXEN
TX, LO
MAX14827A
GND
C/Q, DO
3.3nF
PUSH-PULL AND PNP MODE
5kΩ
TXEN
TX, LO
50%
tPDHL
C/Q, DO
50%
90%
10%
tFALL
Figure 1. C/Q and LO Driver Propagation Delays and Rise/Fall Times
TXEN
TX, LO
V24
MAX14827A
GND
C/Q, DO
3.3nF
5kΩ
NPN MODE
50%
tPDLH
90%
10%
50%
tRISE
VL
0V
VL
0V
V24
0V
V24
TXEN
VL MAX14827A
TX C/Q
GND
5kΩ
3.3nF
TXEN
C/Q
tENL
50%
tDISH
10%
Figure 2. C/Q Driver Enable Low and Disable High Timing with External Pullup Resistor
VL
0V
V24
0V
www.maximintegrated.com
Maxim Integrated │ 11
11 Page | ||
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| PDF Descargar | [ Datasheet MAX14827A.PDF ] | |
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