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Maxim > Products > Temperature Sensors 
MAX6511, MAX6512, MAX6513
Low-Cost, Remote SOT Temperature Switches

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


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Data Sheet
FULL DATA SHEET (PDF, 600kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Description
The MAX6511/MAX6512/MAX6513 are fully integrated, remote temperature switches that use an external P-N junction (typically a diode-connected transistor) as the sensing element to measure the remote temperature. These devices assert 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 MAX6511 has an active-low CMOS output and the MAX6513 has an active-high CMOS output. The MAX6512 has an open-drain output. The output is asserted when the temperature exceeds the threshold value. The active-low open-drain output is intended to interface with a microprocessor (µP) reset or interrupt input. The active-high CMOS output can directly drive a power FET to control a cooling fan.

The MAX6511/MAX6512/MAX6513 operate from a +3.0V to +5.5V supply and typically consume 400µA of supply current. They are available in the small 6-pin SOT23. The MAX6513 is also available in a 6-pin leadfree TDFN package.

Key Features   Applications/Uses
  • 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-Low CMOS Output (MAX6511) or Open-Drain Output for Overtemperature Alarm (MAX6512) or Active-High Output (MAX6513) 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 SOT23 Package
  • 6-Pin TDFN Package (Lead Free)

 
  		• Battery Packs
  		• CPU Temperature Monitoring in High-Speed Computers
  		• Fan Control
  		• Multichip Modules
  		• Temperature Alarms
  		• Temperature Control

    Key Specifications:   Temperature Switches
    Part Number Switch Type Functions Interface Accuracy (±°C) Temperature Threshold (°C) RoHS Available Package Smallest Available Package (max w/pins) (mm2) Price**
    MAX6511  Remote
    •Temperature Switch/Temperature Comparator
    		 Logic 3 Factory Programmed No SOT-23/6 9 $0.85 @ 1k
    MAX6512  No SOT-23/6 $0.85 @ 1k
    MAX6513  Yes SOT-23/6
    THIN QFN (Dual)/6     		$0.85 @ 1k
    See All Temperature Switches (21)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    Application Notes
  		• Application Note 481: Simple Circuit Activates Fan When Processor Heats Ups - MAX6513
  		• Application Note 961: Thermal Protection in Low-Cost Systems, Part 1 - MAX6512
  		• Application Note 1126: Simple Circuit Protects Systems from Overheating - MAX6512

    Evaluation Kits
    none

    Design Guides
  		• TEMP SENSORS (PDF)

    Reliability Reports
  		• Show FIT data for:
  		• Request Reliability Report for:

    Software/Models
    none

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-60 of 60

    MAX6511 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6511UT115  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6511UT045  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6511UT055  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6511UT065  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6511UT075  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6511UT085  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6511UT095  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6511UT105  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6511UT125  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6511UT115-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6511UT125-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6511UT105-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6511UT095-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6511UT085-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6511UT075-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6511UT065-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6511UT055-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6511UT045-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6512 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6512UT045  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6512UT055  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6512UT065  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6512UT075  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6512UT085  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6512UT095  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6512UT105  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6512UT115  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6512UT125  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6512UT115-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6512UT075-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6512UT055-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6512UT065-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6512UT085-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6512UT095-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6512UT105-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6512UT125-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6512UT045-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6513 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6513UT105  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6513UT085  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6513UT115  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6513UT045  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6513UT055  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6513UT065  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6513UT075  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6513UT095  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6513UT125  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6513UT125-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6513UT075-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6513UT065-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6513UT095-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6513UT055-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6513UT045-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6513UT085-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6513UT105-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6513UT115-T  
    		SOT-23;6 pin;9 mm²
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6F-6*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6513TT045+T  
    		THIN QFN (Dual);6 pin;10 mm²
    Dwg: 21-0137I (PDF)
    Use pkgcode/variation: T633+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6513TT045+  
    		THIN QFN (Dual);6 pin;10 mm²
    Dwg: 21-0137I (PDF)
    Use pkgcode/variation: T633+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6513TT075  
    		THIN QFN (Dual);6 pin;10 mm²
    Dwg: 21-0137I (PDF)
    Use pkgcode/variation: T633-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6513TT075+  
    		THIN QFN (Dual);6 pin;10 mm²
    Dwg: 21-0137I (PDF)
    Use pkgcode/variation: T633+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6513TT075-T  
    		THIN QFN (Dual);6 pin;10 mm²
    Dwg: 21-0137I (PDF)
    Use pkgcode/variation: T633-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6513TT075+T  
    		THIN QFN (Dual);6 pin;10 mm²
    Dwg: 21-0137I (PDF)
    Use pkgcode/variation: T633+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    More Information
  		• Topmark Coding: MAX6511 MAX6512 MAX6513
  		• New Product Press Release 2000-11-22 
  		• Temperature Family by Product Type

    Related Products
    MAX6509, MAX6510 Resistor-Programmable SOT Temperature Switches
    MAX6501, MAX6502, MAX6503, MAX6504 Low-Cost, +2.7V to +5.5V, Micropower Temperature Switches in SOT23 and TO-220
    MAX6505, MAX6506, MAX6507, MAX6508 Dual Trip SOT Temperature Switches

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    Document Ref.: 19-1819; Rev 2; 2004-11-19
    This page last modified: 2007-07-24




             


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