TC6502 Microchip Technology Inc., TC6502 Datasheet

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TC6502

Manufacturer Part Number
TC6502
Description
Ultra Small Temperature Switches With Pin Selectable Hysteresis
Manufacturer
Microchip Technology Inc.
Datasheet

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Features
• 5-Pin SOT-23A
• Factory-programmed Thresholds from
• Pin Selectable +2°C or +10°C Hysteresis
• ±0.5°C (Typ) Threshold Accuracy Over Full
• No External Components Required
• 17 µA Supply Current (Typ)
Applications
• Thermal Management in PCs and Servers
• Over-temperature Fail-safe Circuits
• Simple Fan Controller
• Temperature Alarms
• Projectors/Printers
• Notebook Computers
• Network Boxes
Package Types
M
Note: 5-Pin SOT-23A is equivalent to EIAJ SC-74A
-45°C to +125°C in 10°C Increments
Temperature Range
2004 Microchip Technology Inc.
HYST
HYST
GND
GND
GND
GND
1
2
3
1
2
3
TC6503
TC6504
TC6501
TC6502
Ultra Small Temperature Switches
with Pin Selectable Hysteresis
5
4
5
4
V
V
T
T
T
T
CC
UNDER
UNDER
CC
OVER
OVER
TC6501
TC6502
TC6504
TC6503
TC6501/2/3/4
General Description
The TC6501/2/3/4 are SOT-23 temperature switches
that require no external components and are available
with factory-programmed temperature thresholds. A
choice of factory-trimmed temperature trip points are
also available. Pin-selectable hysteresis of +2°C or
+10°C allows flexibility to the design of the application.
These parts typically consume only 17 µA of current
and operate over the entire -55°C to +135°C
temperature range, while offering accuracies of ±0.5°C
(typ).
The TC6501 and TC6503 have an open-drain, active-
low output, which targets microcontroller reset control.
The TC6502 and TC6504 have a CMOS, active-high
output designed to drive the logic level MOSFET that
turns on a fan or heater element.
The TC6501/TC6502 are designed for hot temperature
monitoring (+35°C to +125°C). These devices assert a
logic signal when the temperature goes above the
threshold. The TC6503/TC6504 are optimized for cold
temperature monitoring (-45°C to +15°C) and assert a
logic signal when the temperature goes below the
threshold.
The TC6501/2/3/4 are offered with five standard tem-
perature thresholds. Available in 5-Pin SOT-23A pack-
ages, these parts are ideal for applications requiring
high integration, small size, low power and low installed
cost.
Functional Block Diagram
100 pF
GND GNDHYST
+2.7V to +5.5V
TC6502
V
CC
T
OVER
Microcontroller
INT
PICmicro
DS21451D-page 1
GND
V
CC
®

Related parts for TC6502

TC6502 Summary of contents

Page 1

... The TC6501 and TC6503 have an open-drain, active- low output, which targets microcontroller reset control. The TC6502 and TC6504 have a CMOS, active-high output designed to drive the logic level MOSFET that turns on a fan or heater element. The TC6501/TC6502 are designed for hot temperature monitoring (+35° ...

Page 2

... CC Input Current (All Pins).......................................20 mA Output Current (All Pins) ....................................20 mA Operating Temperature Range.......... - 55°C to +135°C Storage Temperature Range ............. - 65°C to +165°C T (TC6501)....................................... -0.3V to +7V OVER T (TC6502)......................... -0. OVER T (TC6503)....................................... -0. UNDER T (TC6504)....................... -0. UNDER All Other Pins ............................. -0. Maximum Junction Temperature, T .................. 150° ...

Page 3

... Temperature (˚C) FIGURE 2-2: Output Sink Resistance vs. Temperature. +15˚C/div Mounted On 0. oz. Copper 5sec/div FIGURE 2-3: Thermal Step Response in Perfluorinated Fluid (SOT-23). 2004 Microchip Technology Inc. = 5.0V 100 k (TC6501/TC6503 only), 100 pF decoupling CC PULL-UP = +25°C. AMB ...

Page 4

... V to GND 180 2.7V 160 4.0V 140 120 100 5. 180 100 Temperature (˚C) FIGURE 2-7: Output Source Resistance vs. Temperature (TC6502). DS21451D-page 4 = 5.0V 100 k (TC6501/TC6503 only), 100 pF decoupling CC PULL-UP = +25°C. AMB 120 140 2004 Microchip Technology Inc. ...

Page 5

... T Push/Pull Active-High Output OVER T Open-Drain, Active-Low Output UNDER T Push/Pull Active-High Output UNDER 3.5 Push/Pull Active-High Output (TC6502) (T The voltage at T OVER sensor detects a temperature greater than the factory- programmed threshold temperature. 3.6 Open-Drain, Active-Low Output (TC6503 The voltage at the T level if the sensor detects a temperature that is less than the factory-programmed threshold temperature ...

Page 6

... The TC6501 and TC6502 are intended for a temperature range of 35°C to 125°C in 10°C increments. The TC6501 has an open-drain output, while the TC6502 has a push-pull output stage. The TC6503 and TC6504 are intended for a cold temperature range of -45°C to +15°C in 10°C increments ...

Page 7

... HYST FIGURE 5-1: Over and Under Temperature Alarm. The TC6502 can be used to control a DC fan. The fan turns on when the sensed temperature rises above the factory-set threshold and remains on until the temperature falls below threshold minus the hysteresis selected. An additional fail-safe measure could be ...

Page 8

... Reference FIGURE 5-4: TC6501 Functional Block Diagram. TC6502 Hysteresis Selection Positive Temperature + Coefficient Reference – Negative Temperature Coefficient Reference FIGURE 5-5: TC6502 Functional Block Diagram. TC6503 Positive Temperature – Coefficient Reference + Hysteresis Selection Negative Temperature Coefficient Reference FIGURE 5-6: TC6503 Functional Block Diagram. TC6504 ...

Page 9

... TC6501P045VCT TC6501P065VCT TC6501P075VCT TC6501P095VCT TC6501P105VCT TC6501P115VCT TC6501P120VCT TC6501P125VCT TC6502P045VCT TC6502P065VCT TC6502P075VCT TC6502P095VCT TC6502P115VCT TC6502P125VCT TC6503N015VCT TC6503P005VCT TC6504N015VCT TC6504P005VCT Note: Please contact Microchip Technology for the availability of a particular temperature threshold not included in Table 4-1. Legend: 1-2 Part Number Marking Code* 3 Year and two-month period code ...

Page 10

... A1 .000 .003 .006 E .102 .110 .118 E1 .059 .064 .069 D .110 .116 .122 L .014 .018 .022 .004 .006 .008 B .014 .017 .020 MILLIMETERS MIN NOM MAX 5 0.95 1.90 0.90 1.18 1.45 0.90 1.10 1.30 0.00 0.08 0.15 2.60 2.80 3.00 1.50 1.63 1.75 2.80 2.95 3.10 0.35 0.45 0. 0.09 0.15 0.20 0.35 0.43 0. 2004 Microchip Technology Inc. ...

Page 11

... Product Tape and Reel Specification Device Marking Pin 1 Standard Reel Component Orientation 2004 Microchip Technology Inc. TC6501/2/3/4 User Direction of Feed Pin 1 P, Pitch Reverse Reel Component Orientation W, Width of Carrier Tape DS21451D-page 11 ...

Page 12

... TC6501/2/3/4 NOTES: DS21451D-page 12 2004 Microchip Technology Inc. ...

Page 13

... Device Package Standard Temperature Threshold Device: TC6501: Ultra Small Temp Switch with Pin-Selectable Hysteresis TC6502: Ultra Small Temp Switch with Pin-Selectable Hysteresis TC6503: Ultra Small Temp Switch with Pin-Selectable Hysteresis TC6504: Ultra Small Temp Switch with Pin-Selectable Hysteresis Standard N015 = -15°C (TC6503, TC6504) ...

Page 14

... TC6501/2/3/4 NOTES: DS21451D-page 14 2004 Microchip Technology Inc. ...

Page 15

... The Company’s quality system processes and procedures are for its PICmicro 8-bit MCUs code hopping devices, Serial ® ® EEPROMs, microperipherals, non-volatile memory and analog products. In addition, Microchip’s quality system for the design and manufacture of development systems is ISO 9001:2000 certified. 2004 Microchip Technology Inc. ...

Page 16

... DSTEMP DS21451D-page 16 2004 Microchip Technology Inc. ...

Page 17

... Italy Via Quasimodo, 12 20025 Legnano (MI) Milan, Italy Tel: 39-0331-742611 Fax: 39-0331-466781 Netherlands Biesbosch 14 NL-5152 SC Drunen, Netherlands Tel: 31-416-690399 Fax: 31-416-690340 United Kingdom 505 Eskdale Road Winnersh Triangle Wokingham Berkshire, England RG41 5TU Tel: 44-118-921-5869 Fax: 44-118-921-5820 01/08/04 2004 Microchip Technology Inc. ...

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