Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet

2019-08-15
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 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 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 packages, pins are available for both sleep mode activation

and separate tamper indication.

Silicon Labs

Si720xSi7201Si7201-B-00-FVSi7201-B-00-FVRSi7201-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-IVRSi7202Si7202-B-00-FVSi7202-B-00-FVRSi7202-B-01-IVSi7202-B-01-IVRSi7203Si7203-B-00-FVSi7203-B-00-FVRSi7204Si7204-B-00-FVSi7204-B-00-FVRSi7205Si7205-B-00-IVSi7205-B-00-IVRSi7206Si7206-B-00-IVSi7206-B-00-IVR

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Part#

Switch/Latch 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

Automotive

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AEC-Q100

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English Chinese Chinese and English Japanese

June 30, 2017

Rev. 0.9

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