Over Temperature Detection IC ThermoflaggerTM Application Circuit (TCTH021BE / Open-drain type)

This reference design provides design guide, data and other contents of Over Temperature Detection IC ThermoflaggerTM Application Circuit (TCTH021BE / Open-drain type). In combination with PTC thermistor(s), this ThermoflaggerTM can be used to detect over temperature at multiple locations within a device.

PCB Photo (example)
TCTH021BE TCTH021BE SSM3K35MFV SSM3K35MFV SSM3J35AMFV SSM3J35AMFV

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Features

  • Simple over temperature detection solution
  • Outline size : 85 mm x 54 mm
  • Can operate with multiple PTC thermistors

Description

Circuit topology Over Temperature Detection IC ThermoflaggerTM Application Circuit
Circuit PTC Thermistor

Design Documents

Materials for designers, such as an overview of circuit operation and explanations of design considerations. Please click on each tab to view the contents.

Design Data

Provides circuit data that can be loaded into EDA tools, PCB layout data, and data used in PCB manufacturing. Available in formats from multiple tool vendors. You can freely edit it with your preferred tool.

*1:Actual PCB was designed on CR5000BD. The other files were made from CR5000BD file.

*2:The data was generated on CR5000BD.

Used Toshiba Items

Part Number Device Category Portion Usage Description
Over Temperature Detection IC Detection IC・1 10 μA, Open-drain, Over temperature detection IC
Small-signal MOSFET Low side switch・1 N-ch MOSFET, 20 V, 0.18 A, 3.0 Ω@4V, SOT-723(VESM)
Small-signal MOSFET High side switch・1 P-ch MOSFET, -20 V, -0.25 A, 1.4 Ω@4.5V, SOT-723(VESM)

Related Documents

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