Microchip Technology AC162064 Data Sheet
PAGE 10
Analog/Interface
Family Products
Serial Output Temperature Sensors (continued)
MCP9803
±0.5
±1
-55 to +125
+2.7 to +5.5
400
SMBus/I
2
C™ compatible interface with time
out, 0.0625°C to 0.5°C adj. resolution,
power-saving one-shot temperature
measurement, multi-drop capability
power-saving one-shot temperature
measurement, multi-drop capability
8-Pin MSOP, 8-Pin SOIC
MCP9805
+0.5
+1
(3)
-20 to +125
+3.0 to +3.6
400
JEDEC compatible register set, SMBus/
I2C™ compatible interface, programmable,
shut-down modes and EVENT output
I2C™ compatible interface, programmable,
shut-down modes and EVENT output
8-Pin TSSOP, 8-Pin 2x3 DFN
TC77
±0.5
±1
-55 to +125
+2.7 to +5.5
400
SPI™ compatible interface, 0.0625°C
temperature resolution
temperature resolution
5-Pin SOT-23A, 8-Pin SOIC
TC72
±0.5
±1
-55 to +125
+2.65 to +5.5
400
SPI™ compatible interface, power saving
one-shot temperature measurement, 0.25°C
temperature resolution
one-shot temperature measurement, 0.25°C
temperature resolution
8-Pin MSOP, 8-Pin 3x3 DFN
TC74
±0.5
±2
-40 to +125
+2.7 to +5.5
350
SMBus/I
2
C™ compatible interface, 1°C
temperature resolution
5-Pin SOT-23A, 5-Pin TO-220
TCN75A
±0.5
±2
-40 to +125
+2.7 to +5.5
500
SMBus/I
2
C™ compatible interface, power-
saving one-shot temperature measurement,
multi-drop capability, 0.0625°C to 0.5°C
adjustable temperature resolution
multi-drop capability, 0.0625°C to 0.5°C
adjustable temperature resolution
8-Pin SOIC, 8-Pin MSOP
TCN75
±0.5
±2
-55 to +125
+2.7 to +5.5
1,000
(2)
SMBus/I
2
C™ compatible interface, multi-
drop capability, interrupt output, 0.5°C
temperature resolution
temperature resolution
8-Pin MSOP, 8-Pin SOIC
THERMAL MANAGEMENT PRODUCTS – Brushless DC Fan Controllers and Fan Fault Detectors
Part #
Description
Typical Accuracy
(°C)
Maximum Accuracy
@ 25°C (°C)
Maximum
Temperature Range
(°C)
Vcc Range (V)
Maximum Supply
Current (
μ
A)
Features
Packages
TC642
Fan Manager
Note 1
Note 1
-40 to +85
+3.0 to +5.5
1,000
FanSense™ Fan Monitor,
minimum fan speed control
minimum fan speed control
8-Pin PDIP, 8-Pin SOIC,
8-Pin MSOP
8-Pin MSOP
TC642B
Fan Manager
Note 1
Note 1
-40 to +85
+3.0 to +5.5
400
FanSense™ Fan Monitor,
minimum fan speed control, fan
auto-restart
minimum fan speed control, fan
auto-restart
8-Pin PDIP, 8-Pin SOIC,
8-Pin MSOP
8-Pin MSOP
TC646
Fan Manager
Note 1
Note 1
-40 to +85
+3.0 to +5.5
1,000
FanSense™ Fan Monitor,
auto-shutdown
auto-shutdown
8-Pin PDIP, 8-Pin SOIC,
8-Pin MSOP
8-Pin MSOP
TC646B
Fan Manager
Note 1
Note 1
-40 to +85
+3.0 to +5.5
400
FanSense™ Fan Monitor,
auto-shutdown, fan auto-restart
auto-shutdown, fan auto-restart
8-Pin PDIP, 8-Pin SOIC,
8-Pin MSOP
8-Pin MSOP
TC647
Fan Manager
Note 1
Note 1
-40 to +85
+3.0 to +5.5
1,000
FanSense™ Fan Monitor,
minimum fan speed control
minimum fan speed control
8-Pin PDIP, 8-Pin SOIC,
8-Pin MSOP
8-Pin MSOP
TC647B
Fan Manager
Note 1
Note 1
-40 to +85
+3.0 to +5.5
400
FanSense™ Fan Monitor,
minimum fan speed control, fan
auto-restart
minimum fan speed control, fan
auto-restart
8-Pin PDIP, 8-Pin SOIC,
8-Pin MSOP
8-Pin MSOP
NOTE
1: These devices use an external temperature sensor. Accuracy of the total solution is a function of the accuracy of the external sensor.
THERMAL MANAGEMENT PRODUCTS – Temperature Sensors (continued)
Part #
Typical Accuracy
(°C)
Maximum Accuracy
@ 25°C (°C)
Maximum
Temperature Range
(°C)
V
CC
Range (V)
Maximum Supply
Current (
μ
A)
Features
Packages
NOTE
1: These devices use an external temperature sensor. Accuracy of the total solution is a function of the accuracy of the external sensor.
2: TCN75 idle current is 250
2: TCN75 idle current is 250
μ
A. This device also has a Software Shutdown mode that reduces supply current to <1
μ
A.
3: MCP9805 max. accuracy measured at 85°C.