MAX6513

Obsolete

Low-Cost, Remote SOT Temperature Switch

Industry's Only Temperature Switch for External P-N Junction - Either a Discrete Diode-Connected Transistor on an External IC Die

Data Sheet (Rev. 3) Product Selection Table
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Overview

  • Continuously Measure External Junction Temperature
  • Factory-Programmed Temperature Threshold from +45°C to +125°C in 10°C Increments
  • Insensitive to Series Parasitic Resistance
  • Active-High Output for Direct Fan Control
  • < 100ms Response Time
  • Accuracy
    • ±3°C (TREMOTE = +45°C to +125°C, TA = -5°C to +55°C)
    • ±5°C (TREMOTE = +45°C to +125°C, TA= -40°C to +85°C)
  • Pin-Selectable 5°C or 10°C Hysteresis
  • 400µA Average Current Consumption
  • +3.0V to +5.5V Supply Range
  • 6-Pin TDFN Package (Lead(Pb)-Free) with Exposed Pad

The MAX6513 is a fully integrated, remote temperature switch that uses an external P-N junction (typically a diode-connected transistor) as the sensing element to measure the remote temperature. The device asserts a logic signal when the temperature crosses a factory-programmed threshold. Available trip thresholds are from +45°C to +125°C in 10°C increments. Accuracy is within ±3°C (TA = -5°C to +55°C) or ±5°C (TA = -40°C to +85°C). Hysteresis is pin selectable to 5°C or 10°C.

The MAX6513 has an active-high CMOS output. The output is asserted when the temperature exceeds the threshold value. The active-high CMOS output can directly drive a power FET to control a cooling fan.

The MAX6513 operates from a +3.0V to +5.5V supply and typically consumes 400µA of supply current. It is available in a 6-pin lead-free TDFN package.

Applications

  • Battery Packs
  • CPU Temperature Monitoring in High-Speed Computers
  • Fan Control
  • Multichip Modules
  • Temperature Alarms
  • Temperature Control
MAX6513
Low-Cost, Remote SOT Temperature Switch
MAX6513: Typical Operating Circuit
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Documentation

Data Sheet 1

Design Note 1

Technical Articles 1

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Temperature Sensors 10
MAX6501
PRODUCTION Low-Cost, +2.7V to +5.5V, Micropower Temperature Switches in SOT23
MAX6502
PRODUCTION Low-Cost, +2.7V to +5.5V, Micropower Temperature Switches in SOT23
MAX6503
PRODUCTION Low-Cost, +2.7V to +5.5V, Micropower Temperature Switches in SOT23
MAX6504
PRODUCTION Low-Cost, +2.7V to +5.5V, Micropower Temperature Switches in SOT23
MAX6505
PRODUCTION Dual Trip SOT Temperature Switches
MAX6506
Obsolete Dual Trip SOT Temperature Switches
MAX6507
Obsolete Dual Trip SOT Temperature Switches
MAX6508
LAST TIME BUY Dual Trip SOT Temperature Switches
MAX6509
PRODUCTION Resistor-Programmable SOT Temperature Switches
MAX6510
PRODUCTION Resistor-Programmable SOT Temperature Switches
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