The MAX6501-MAX6504† low-cost, fully integrated temperature
switches assert a logic signal when their die
temperature crosses a factory-programmed threshold.
Operating from a +2.7V to +5.5V supply, these devices
feature two on-chip, temperature-dependent voltage
references and a comparator. They are available with
factory-trimmed temperature trip thresholds from -45°C
to +125°C in 10°C increments, and are accurate to
±0.5°C (typ) or ±6°C (max). These devices require no
external components and typically consume 30µA supply
current. Hysteresis is pin-selectable at +2°C or
+10°C.
The MAX6501/MAX6503 have an active-low, open-drain
output intended to interface with a microprocessor (µP)
reset input. The MAX6502/MAX6504 have an activehigh,
push-pull output intended to directly drive fancontrol
logic. The MAX6501/MAX6502 are offered with
hot-temperature thresholds (+35°C to +125°C), asserting
when the temperature is above the threshold. The
MAX6503/MAX6504 are offered with cold-temperature
thresholds (-45°C to +15°C), asserting when the temperature
is below the threshold.
The MAX6501-MAX6504 are offered in eight standard
temperature versions; contact the factory for pricing
and availability of nonstandard temperature versions.
They are available in 5-pin SOT23 and 7-pin TO-220
packages.
Key Features
Applications/Uses
±0.5°C (typical) Threshold Accuracy Over
Full Temperature Range
No External Components Required
Low Cost
30µA Supply Current
Factory-Programmed Thresholds from
-45°C to +125°C in 10°C Increments
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.
* 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.
MAX6501
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Package:
TYPE PINS FOOTPRINT
DRAWING CODE/VAR *
Temp
RoHS/Lead-Free? Materials Analysis
MAX6501UKP035
SOT;5 pin;9 mm²
Outline Drawing: 21-0057 (PDF)
Land Pattern: 90-0174 (PDF)
Use pkgcode/variation: U5-2*
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