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Maxim > Solutions > Automotive

Thermal Management, Sensors, Sensor Conditioners

DATA SHEETS
Display Title/Parts Key Advantages
QV  PDF 28V, 100mA, Low-Quiescent-Current LDO with Reset and Power-Fail Input/Output
MAX5091

100mA, 45µA IQ, LDO Regulator in High-Power Thermally Enhanced 8-Pin SO or TDFN Package
QV  PDF 2-Channel Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs
MAX6678

Industry's Only Dual Temperature Sensor and Fan Controller with Five GPIOs
QV  PDF Automatic PWM Fan-Speed Controllers with Overtemperature Output
MAX6643, MAX6644, MAX6645

Automatic PWM Fan-Speed Controllers with Overtemperature Output Eliminate Software Overhead
QV  PDF SMBus-Compatible Temperature Monitor with Automatic PWM Fan-Speed Controller
MAX6641

Industry's Smallest, Single Temperature Sensor and Fan Controller in MSOP Package
QV  PDF Dual Remote/Local Temperature Sensors with SMBus Serial Interface
MAX6695, MAX6696

Dual Remote/Local Temperature Sensors with SMBus™ Serial Interface in a µMAX® Package
QV  PDF ±1°C, SMBus-Compatible Remote/Local Temperature Sensor with Overtemperature Alarm
MAX6642

Industry's Smallest ±1°C, SMBus-Compatible Remote/Local Temperature Sensor with Overtemperature Alarm
QV  PDF Temperature Monitors and PWM Fan Controllers
MAX6653, MAX6663, MAX6664

QV  PDF PWM Output Temperature Sensors in SC70 Packages
MAX6672, MAX6673

Lowest Power PWM Output Temperature Sensors Available in SC70 Packages
QV  PDF Low-Voltage, 1.8kHz PWM Output Temperature Sensors
MAX6676, MAX6677

Industry's Lowest Voltage PWM Output Temperature Sensor in Tiny SOT23 Package
QV  PDF Local/Remote Temperature Switches in a µMAX Package
MAX6687, MAX6688

Dual-Output, Local/Remote Temperature Switches in a Single µMAX® Package
QV  PDF Dual-Output Remote-Junction Temperature Switches
MAX6685, MAX6686

QV  PDF Cold-Junction-Compensated K-Thermocouple-to-Digital Converter (0°C to +128°C)
MAX6674

QV  PDF Temperature Sensor and System Monitor in a 10-Pin µMAX
MAX6683

QV  PDF High-Accuracy PWM Output Temperature Sensors
MAX6666, MAX6667

QV  PDF Remote Temperature Switches with Integrated Fan Controller/Driver
MAX6668, MAX6670

QV  PDF Fan Controller/Driver with Factory-Programmed Temperature Thresholds
MAX6665

QV  PDF Temperature Sensor and System Monitor in a 10-Pin µMAX
MAX6652

Temperature Sensor and System Monitor in a 10-pin µMax



Key Specifications:  Fan Controllers
Part Number Sensor Type Fan Controller Functions Fan Cntrl. Interface Accuracy
(±°C)
Temp. Thresh.
(°C)
Temp. Resolution
(bits)
Features
MAX6678  Remote - PWM 2-Wire/I2C/SMBus 1 Programmable 8 -
MAX6641  Remote - PWM 2-Wire/I2C/SMBus 1 Programmable - /OVERT Thermostat Output
MAX6653  Remote
Dual Temperature Alarms
Fan Failure Detector
Remote & Local Sensor
PWM 2-Wire/I2C/SMBus 1 Programmable 11 -
MAX6663  Remote
Dual Temperature Alarms
Fan Failure Detector
Remote & Local Sensor
PWM 2-Wire/I2C/SMBus 1 Programmable 11 -
MAX6664  Remote
Dual Temperature Alarms
Fan Failure Detector
Remote & Local Sensor
PWM 2-Wire/I2C/SMBus 1 Programmable 11 -
MAX6643  Remote - PWM - 2 Programmable - -
MAX6668  Remote Temperature Switch/Temperature Comparator Linear Logic 2.2
+40
+45
+50
+55
+60
+65
+70
+75
- -
MAX6670  Remote Temperature Switch/Temperature Comparator Linear Logic 2.2
+40
+45
+50
+55
+60
+65
+70
+75
-
Second Threshold (Warning)
Two Alarm Outputs
MAX6665  - Temperature Switch/Temperature Comparator Linear Logic 3 Factory Programmed - Pin Selectable Hysteresis
See All Fan Controllers (19)

Key Specifications:  Linear Regulators
Part Number Regulators VIN
(V)
VIN
(V)
Preset VOUT
(V)
VDROPOUT @Rated ILOAD
(V)
Rated ILOAD
(mA)
ICC
(µA)
Low Batt./ Pwr. Fail Out POK/Reset Thresh.
(V)
Watchdog Reverse Batt. Protect. Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
min max typ max nom max w/pins
MAX5091  1 5 28
3.3
5
0.3 100 100 Yes Vout-10% No No -40 to +125
SOIC(N)-EP/8
TDFN-EP/8
9.6
See All Linear Regulators (152)

Key Specifications:  Temperature Sensors
Part Number Sensor Type Alarm Output Functions Interface Remote Chan. Accuracy
(±°C)
Parasite Pwr. Temp. Thresh. Temp. Resolution
(bits)
Oper. Temp.
(°C)
Smallest Available Pckg.
(mm2)
max w/pins
MAX6695  Remote
Alert
Overt
Dual Temperature Monitor
Remote & Local Sensor
2-Wire/I2C/SMBus Dual 1 No Programmable - -40 to +125 15.4
MAX6696  Remote
Alert
Overt
Dual Temperature Sensor 2-Wire/I2C/SMBus Dual 1 Programmable - -40 to +125 30.9
MAX6642  Remote Alert
Remote & Local Sensor
Single Temperature Alarm
2-Wire/I2C/SMBus Single 1 Programmable 10 -40 to +125 9.6
MAX6672  Local - - PWM - 3 - - -40 to +125 5.3
MAX6673  Local - - PWM - 3 - - -40 to +125 5.3
MAX6676  Local - - PWM - 1.5 - - -40 to +125 9
MAX6677  Local - - PWM - 1.5 - - -40 to +125 9
MAX6674  Remote - Thermocouple-to-Digital Converter 3-Wire/SPI Single 2 - 10 -20 to +85 30.9
MAX6683  Local Alert Voltage Monitor 2-Wire/I2C/SMBus - 2 Programmable 11 -40 to +125 15.4
MAX6666  Local - - PWM - 2.5 - - -40 to +125 9
MAX6667  Local - - PWM - 2.5 - - -40 to +125 9
MAX6652  Local Alert Voltage Monitor 2-Wire/I2C/SMBus - 2 Programmable 8 -40 to +125 15.4
See All Temperature Sensors (99)

Key Specifications:  Temperature Switches
Part Number Switch Type Functions Interface Accuracy
(±°C)
Temp. Thresh.
(°C)
Features RoHS Available Package/Pins
MAX6687  Remote
Dual Output Temperature Switch
Dual Temperature Alarms
Logic 1.5
+40
+45
+50
+55
+60
+65
+70
+75
+80
Open Drain Active Low Output Yes
µMAX/8
MAX6688 
Dual Output Temperature Switch
Dual Temperature Alarms
1.5
+40
+45
+50
+55
+60
+65
+70
+75
+80
Push Pull Active High Output See Data Sheet
µMAX/8
MAX6685  Dual Output Temperature Switch 1
T(High): +120°C or +125°C
T(Low): +40°C to +115°C in 5°C increments
Factory Set T(High) Outputs
Pin Programmable T(Low) Outputs
Push Pull Active High Output
See Data Sheet
µMAX/8
MAX6686  Dual Output Temperature Switch 1
T(High): +120°C or +125°C
T(Low): +40°C to +115°C in 5°C increments
Factory Set T(High) Outputs
Open Drain Active Low Output
Pin Programmable T(Low) Outputs
Yes
µMAX/8
See All Temperature Switches (25)



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