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SM72480 データシート(PDF) 1 Page - Texas Instruments

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部品番号 SM72480
部品情報  SM72480 SolarMagic 1.6V, WSON-6 Factory Preset Temperature Switch and Temperature
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI1 - Texas Instruments

SM72480 データシート(HTML) 1 Page - Texas Instruments

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VDD
GND
TRIP
TEST
VTEMP
OVERTEMP
OVERTEMP
DAP
SM72480
www.ti.com
SNIS156C – NOVEMBER 2010 – REVISED APRIL 2013
SM72480 SolarMagic 1.6V, WSON-6 Factory Preset Temperature Switch and Temperature
Sensor
Check for Samples: SM72480
1
FEATURES
DESCRIPTION
The SM72480 is a low-voltage, precision, dual-output,
2
Renewable Energy Grade
low-power
temperature
switch
and
temperature
Low 1.6V Operation
sensor. The temperature trip point (TTRIP) is set at the
Latching Function: Device Can Latch the Over
factory to be 120°C. Built-in temperature hysteresis
Temperature Condition
(THYST) keeps the output stable in an environment of
temperature instability.
Push-pull and Open-Drain Temperature Switch
Outputs
In normal operation the SM72480 temperature switch
outputs assert when the die temperature exceeds
Very Linear Analog VTEMP Temperature Sensor
TTRIP. The temperature switch outputs will reset when
Output
the temperature falls below a temperature equal to
VTEMP Output Short-circuit Protected
(TTRIP − THYST). The OVERTEMP digital output, is
2.2 mm by 2.5 mm (typ) WSON-6 Package
active-high with a push-pull structure, while the
OVERTEMP digital output, is active-low with an open-
Excellent Power Supply Noise Rejection
drain structure.
APPLICATIONS
The analog output, VTEMP, delivers an analog output
voltage with Negative Temperature Coefficient —
PV Power Optimizers
NTC.
Wireless Transceivers
Driving the TRIP TEST input high: (1) causes the
Battery Management
digital outputs to be asserted for in-situ verification
Automotive
and, (2) causes the threshold voltage to appear at the
Disk Drives
VTEMP output pin, which could be used to verify the
temperature trip point.
KEY SPECIFICATIONS
The SM72480's low minimum supply voltage makes it
ideal for 1.8 volt system designs. Its wide operating
Supply Voltage 1.6V to 5.5V
range, low supply current , and excellent accuracy
Supply Current 8
μA (typ)
provide a temperature switch solution for a wide
Accuracy, Trip Point Temperature 0°C to 150°C
range of commercial and industrial applications.
±2.2°C
Accuracy, VTEMP 0°C to 150°C ±2.3°C
VTEMP Output Drive ±100
μA
Operating Temperature
−50°C to 150°C
Hysteresis Temperature 4.5°C to 5.5°C
Connection Diagram
Figure 1. WSON-6 - Top View
See Package Number NGF0006A
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2010–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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