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郑小姐 
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MH181, Hall-Effect sensor, designed for electronic commutation of brush-less DC motor
applications. The device includes an on-chip Hall voltage generator for magnetic sensing, a
comparator that amplifies the Hall Voltage, and a Schmitt trigger to provide switching
hysteresis for noise rejection, and open collector output. An internal band gap regulator is used
to provide temperature compensated supply voltage for internal circuits and allows a wide
operating supply range. The device is identical except for magnetic switch points.
The device includes on a single silicon chip a voltage regulator, Hall-voltage generator,
small-signal amplifier, chopper stabilization, Schmitt trigger, open-collector output to sink up
to 25mA. A south pole of sufficient strength will turn the output on. The North Pole is
necessary to turn the output off. An on-board regulator permits operation with supply voltages
of 3.5V to 20 V.
The package type is in a lead Halogen Free version was verified by third party
organization.
Features and Benefits
Temperature compensation.
Wide operating voltage range.
Open-Collector pre-driver.
Reverse bias protection on power supply pin.
100% at 125℃ “Hot Test” in MH181KUA
Applications
High temperature Hall IC application
Fan motor application
BLDC motor application
3 phase BLDC motor in “K” Spec
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Ordering Number |
MH181 |
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Operation type |
Latch |
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Temperature |
E/K |
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Package |
UA/SO |
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Voltage range |
3.5V - 20V |
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Output current |
25mA |
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Sensitivity(typ) |
90 Gauss |
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Status |
NOW |
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note |
Single Output Hall Effect Latch(High Temp Testing) |
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询价
