Datasheet
Current Analog/
Interface
Family
PAGE 18
TC646B Fan Manager Note 1 Note 1 -40 to +85 +3.0 to +5.5 400
FanSense™ Fan Monitor,
auto-shutdown, fan auto-restart
8-Pin PDIP, 8-Pin SOIC,
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
8-Pin PDIP, 8-Pin SOIC,
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
8-Pin PDIP, 8-Pin SOIC,
8-Pin MSOP
TC648 Fan Manager Note 1 Note 1 -40 to +85 +3.0 to +5.5 1,000
Over-temperature alert,
auto-shutdown
8-Pin PDIP, 8-Pin SOIC,
8-Pin MSOP
TC648B Fan Manager Note 1 Note 1 -40 to +85 +3.0 to +5.5 400
Over-temperature alert,
auto-shutdown, fan auto-restart
8-Pin PDIP, 8-Pin SOIC,
8-Pin MSOP
TC649 Fan Manager Note 1 Note 1 -40 to +85 +3.0 to +5.5 1,000
FanSense™ Fan Monitor,
auto-shutdown
8-Pin PDIP, 8-Pin SOIC,
8-Pin MSOP
TC649B Fan Manager Note 1 Note 1 -40 to +85 +3.0 to +5.5 400
FanSense™ Fan Monitor,
auto-shutdown, fan auto-restart
8-Pin PDIP, 8-Pin SOIC,
8-Pin MSOP
TC650 Fan Manager ±1 ±3 -40 to +125 +2.8 to +5.5 90 Over-temperature alert 8-Pin MSOP
TC651 Fan Manager ±1 ±3 -40 to +125 +2.8 to +5.5 90
Over-temperature alert,
auto-shutdown
8-Pin MSOP
TC652 Fan Manager ±1 ±3 -40 to +125 +2.8 to +5.5 90
FanSense™ Fan Monitor,
over-temperature alert
8-Pin MSOP
TC653 Fan Manager ±1 ±3 -40 to +125 +2.8 to +5.5 90
FanSense™ Fan Monitor,
over-temperature alert,
auto-shutdown
8-Pin MSOP
TC654
Dual SMbus Fan Man-
ager
Note 1 Note 1 -40 to +85 +3.0 to +5.5 320
FanSense™ Fan Monitor,
RPM data
10-Pin MSOP
TC655
Dual SMbus Fan Man-
ager
Note 1 Note 1 -40 to +85 +3.0 to +5.5 320
FanSense™ Fan Monitor, RPM
data, over-temperature alert
10-Pin MSOP
TC664
Single SMbus Fan
Manager
Note 1 Note 1 -40 to +85 +3.0 to +5.5 320
FanSense™ Fan Monitor,
RPM data
10-Pin MSOP
TC665
Single SMbus Fan
Manager
Note 1 Note 1 -40 to +85 +3.0 to +5.5 320
FanSense™ Fan Monitor, RPM
data, over-temperature alert
10-Pin MSOP
TC670
Predictive Fan Fault
Detector
N/A N/A -40 to +85 +3.0 to +5.5 150
FanSense™ Fan Monitor,
programmable threshold
6-Pin SOT-23
POWER MANAGEMENT – Voltage References
Part # Vcc Range (V) Output Voltage (V) Max. Load Current (mA)
Initial Accuracy
(max.%)
Temperature
Coefficient (ppm/°C)
Max. Supply Current
(μA @ 25°C)
Packages
MCP1525 2.7 to 5.5 2.5 ±2 ±1 50 100 3-Pin TO-92, 3-Pin SOT-23B
MCP1541 4.3 to 5.5 4.096 ±2 ±1 50 100 3-Pin TO-92, 3-Pin SOT-23B
THERMAL MANAGEMENT PRODUCTS – Brushless DC Fan Controllers and Fan Fault Detectors (continued)
Part # Description
Typical Accuracy
(°C)
Maximum Accuracy
@ 25°C (°C)
Maximum
Temperature Range
(°C)
Vcc Range (V)
Maximum Supply
Current (μA)
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.