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The Thermoflagger over-temperature detection IC can be used in a simple circuit with positive temperature coefficient (PTC) thermistors to detect abnormal heat generation in a device.
Why would I want to use the Thermoflagger over-temperature detection IC?
As electronic devices become more sophisticated and dense, the heat generated by semiconductor elements and electronic components is increasing. This challenge underscores the importance of monitoring over temperature to ensure systems are not negatively impacted by severe heat issues. Electrical shorts, overloads and other circuit faults can also be sources of abnormal heat generation. It can be used in conjunction with PTC thermistors to detect abnormal heat generation in a simple configuration.
Thermoflagger over-temperature detection IC also detects changes in the resistance of PTC thermistors placed near heat sources, and output a FLAG signal in case of over-temperature. When a Thermoflagger detects abnormal heat generation and sends a FLAG to an MCU, for example, the MCU will shut down the equipment or change the operation of the equipment or semiconductor that is generating heat. Connecting PTC thermistors in series realizes over-temperature detection for multiple locations.
Technically, it is the CMOS process IC that outputs abnormal-state signal on detecting over temperature as the resistor value changing of external PTC Thermistor. Output current to PTC thermistor is 1 μA (Typ.) and whole current consumption is 1.8 μA (Typ.), low consumption operation is realized. Selectable Push-pull type, or Open-drain type for FLAG signal output by product. Also, Selectable Auto retry type if PTC thermistor temperature goes down back to lower than the threshold or Latch the abnormal signal type. IC package is ESV (1.6 mm x 1.6 mm x 0.55 mm). It's used in the following applications: Notebook PC, Mobile equipment, home appliance, and industrial equipment.
etc. for over temperature detection.
Toshiba Thermoflagger Reference Board
Working with the documentation, open the box and test the out of the box experience. Show us what you discovered through text, images, videos, and/or any other media, so the reader understands what is involved in using the product.
|Begin enrollment:||Sept 21, 2023|
|End enrollment:||Nov 13, 2023|
|Select roadtesters:||Nov 13, 2023|
|Ship unit:||Nov 14 2023|
|Begin Roadtesting:||Nov 17 2023|
|Element14 follow up:||Dec 17 2023|
|Post Reviews by:||Jan 10 2024|
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Toshiba Electronic Devices & Storage Corporation, a leading supplier of advanced semiconductor and storage solutions, draws on over half a century of experience and innovation to offer customers and business partners outstanding discrete semiconductors, system LSIs and HDD products. With annual sales approaching 800-billion yen (US$6.1 billion), Toshiba Electronic Devices & Storage Corporation looks forward to building and to contributing to a better future for people everywhere.
I am seeking one more roadtester. One applicant never responded to my notification.
I wanted to encourage first time roadtesters (as well as EE students) to apply for this roadtest. I think it's a good way to build a CV, so to speak, of roadtest reviews. I think it's a board that someone with less experience can handle. As you can see from the PCB, it's a fairly simple application circuit of the over temp protection IC. The documentation can provide additional info on the circuit.
Roadtests are always a learning experience. The more one does them, the better they get and you will learn something from doing a roadtest. Plus, if you were to run into a snag, all you need to do is leave a comment. There's usually someone in the community looking at the comments and can offer help.
RoadTest Program Manager
Pls clear whether this has soldered Pressure sensor and cds sensor or need to be soldered .
Looks like new product. Datasheet says that production staerted in february this year. I expected more safety related information in datasheet. For example, what happens when the device itself overhet over 125°C? Will it stuck in fault condition? Will it glitch?