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NCT65 Datasheet

Remote Trip Point Temperature Sensor

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NCT65
Remote Trip Point
Temperature Sensor with
Overtemperature Shutdown
Description
The NCT65 is a low power temperature monitor housed in an
MSOP8 package. It monitors the temperature of a remote thermal
diode. The resulting temperature is then compared with fixed THERM
limits (70C and 85C) and if the resulting temperature is greater than
these limits, the open-drain THERM1 and THERM2 pins are asserted.
To prevent constant assertion and deassertion of the THERM outputs
the NCT65 has 5C of hysteresis.
The NCT65 supply range is 2.8 V to 3.6 V and features low supply
current making it suitable for portable applications.
Features
Remote Temperature Sensor
0C 85C Measurement Range
Two Overtemperature THERM Shutdown Pins
THERM1 Trip Point = 70C, THERM2 Trip Point = 85C
Low Power Operation
MSOP Package
These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS
Compliant
Applications
Smart Phones
Consumer Electronics
Embedded Systems
Smart Batteries
Desktop and Notebook Computers
http://onsemi.com
MSOP8
RM SUFFIX
CASE 846AB
PIN CONNECTIONS
VDD
D+
D
THERM2
1
NCT65
(Top View)
GND
GND
THERM1
GND
MARKING DIAGRAM
8
NCT65
AYWG
G
1
NCT65 = Specific Device Code
A = Assembly Location
Y = Year
W = Work Week
G = Pb-Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
Device
Package
Shipping
NCT65DMR2G MSOP8 3,000/Tape & Reel
(Pb-Free)
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
Semiconductor Components Industries, LLC, 2012
August, 2012 Rev. 1
1
Publication Order Number:
NCT65/D


  ON Semiconductor Electronic Components Datasheet  

NCT65 Datasheet

Remote Trip Point Temperature Sensor

No Preview Available !

D+ 2
D3
NCT65
NCT65
VDD
1
REFERENCE
LOW
PASS
FILTER
DIFFERENCE
AMPLIFIER
REFERENCE
57 8
T_TRIP = 85C
+
COMPARATOR
4 THERM2
COMPARATOR
+
T_TRIP = 70C
6 THERM1
GND
Figure 1. Functional Block Diagram
Table 1. PIN FUNCTION DESCRIPTION
Pin No.
Pin Name
Description
1 VDD Positive Supply Voltage. 2.8 V to 3.6 V.
2 D+ Positive Connection for Remote Temperature Sensor.
3 DNegative Connection for Remote Temperature Sensor.
4
THERM2
Active-low Open-drain Over-temperature Output Pin; Needs a Pull-up Resistor.
5
GND
Power Supply Ground.
6
THERM1
Active-low Open-drain Over-temperature Output Pin; Needs a Pull-up Resistor.
7
GND
Power Supply Ground.
8
GND
Power Supply Ground.
http://onsemi.com
2


Part Number NCT65
Description Remote Trip Point Temperature Sensor
Maker ON Semiconductor
Total Page 6 Pages
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