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SM72480 データシート(PDF) 1 Page - Texas Instruments |
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SM72480 データシート(HTML) 1 Page - Texas Instruments |
1 / 26 page 1 6 5 4 3 2 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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同様の説明 - SM72480 |
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