Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet

2019-05-25
The Si7201/2/3/4/5/6 family of Hall effect magnetic sensors and latches from Silicon

Labs combines a chopper-stabilized Hall element with a low-noise analog amplifier, 13-

bit analog-to-digital converter, and a flexible comparator circuit. Leveraging Silicon Labs'

proven CMOS design techniques, the Si720x family incorporates digital signal processing

to provide precise compensation for temperature and offset drift.

Compared with existing Hall effect sensors, the Si720x family offers industry-leading

sensitivity, which enables use with larger air gaps and smaller magnets. For batterypowered

applications, the Si720x family offers very low power consumption to improve

operating life. For automotive applications, the Si720x family in SOT23 packages is

AEC-Q100 qualified.

The Si720x devices are offered in 3-pin SOT23 and TO-92 packages, with power,

ground, and a single output pin that goes high or low as the magnetic field increases.

With the three-pin package, tamper indication is by the pin going back to its zero field

level at high magnetic field.

In the 5-pin SOT23 and 8-pin DFN(coming soon) packages, pins are available for both

sleep mode activation and separate tamper indication.

Silicon Labs

Si720xSi7201Si7202Si7203Si7204Si7201-B-01-FVSi7201-B-01-FVRSi7201-B-02-FVSi7201-B-02-FVRSi7201-B-03-IVSi7201-B-03-IVRSi7201-B-04-IVSi7201-B-04-IVRSi7201-B-05-IVSi7201-B-05-IVRSi7201-B-06-IVSi7201-B-06-IVRSi7201-B-07-IVSi7201-B-07-IVRSi7201-B-08-IVSi7201-B-08-IVRSi7201-B-09-IBSi7201-B-11-IBSi7202-B-00-FVSi7202-B-00-FVRSi7202-B-01-IVSi7202-B-01-IVRSi7202-B-02-IVSi7202-B-02-IVRSi7202-B-04-IBSi7203-B-00-FVSi7203-B-00-FVRSi7204-B-00-FVSi7204-B-00-FVRSi7205-B-00-IVSi7205-B-00-IVRSi7206-B-00-IVSi7206-B-00-IVRSi720BxxFVRSi7205Si7206Si7201-B-00-FVSi7201-B-00-FVRSi7201-B-10-IB

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Part#

Switch/Latch Hall Effect Magnetic Position SensorSwitch Hall Effect Magnetic Position SensorLatch Hall Effect Magnetic Position Sensor

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Replacement of reed switches in consumer, automotive, and security applications ]Automotive position sensing of HVAC valve, head rest, seat track, side mirrors, sunroof, door locks, and other mechanical devices ]BLDC motor control ]Camera image stabilization, zoom, and autofocus ]Fluid level sensing ]Control knobs and selector switches ]General-purpose mechanical position sensing ]

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Datasheet

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ESD(CDM,500V) 、 ESD(HBM) 、 ESD(HBM,2000V) 、 ESD(HBM,8000V) 、 IPC-7351

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Please see the document for details

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AEC-Q100

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SOT23;SOT23-5;TO92

English Chinese Chinese and English Japanese

July 2018

Rev. 1.0

1.2 MB

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