SI7201-B-05-IV MAGNETIC SWITCH OMNIPOL SOT23-3[FAQ]: Datasheet, Pinout, and Applications

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Published: 09 March 2022 | Last Updated: 09 March 2022

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SI7201-B-05-IV

SI7201-B-05-IV

Silicon Labs

Push-Pull 1.7V~5.5V -40°C~125°C TA Omnipolar Switch North Pole, South Pole ±2.0mT Trip, ±0.6mT Release 0.4μA Typ-Supply (Max) TO-236-3, SC-59, SOT-23-3

Purchase Guide

Push-Pull 1.7V~5.5V -40°C~125°C TA Omnipolar Switch North Pole, South Pole ±2.0mT Trip, ±0.6mT Release 0.4μA Typ-Supply (Max) TO-236-3, SC-59, SOT-23-3

SI7201-B-05-IV is a magnetic sensor. This article is going to introduce pinout, applications, features, and more details about SI7201-B-05-IV.

This video demonstrates detailed information about SI7201-B-05-IV .

Si72xx Hall Effect Sensor Demos - from Silicon Labs

Overview of SI7201-B-05-IV

  • SI7201-B-05-IV samples the magnetic field on a regular basis and has a digital output pin that goes high or low depending on the magnetic field.

  • SI7201-B-05-IV samples the magnetic field at regular intervals and outputs the data on a pin using analog, pulse width modulation (PWM), or Single Edge Nibble Transmission (SENT) protocols.

  • SI7201-B-05-IV provides for digital magnetic field reading in I2C  format. The part can also be configured via I2C  commands.

  • The Si72xx devices come in three or five-pin SOT23 packages, as well as a 1.4 mm1.6 mm0.35 mm dual-flat no-leads, 8-pin package (DFN-8), and a TO-92 package.


SI7201-B-05-IV Features

  • High-Sensitivity Hall Effect Sensor 

  • Maximum BOP  operating point/minimum field strength  of <1.1 mT

  • Omnipolar or unipolar operation

  • Integrated digital signal processing for temperature and offset drift compensation 

  • Low 400 nA Typical Current Consumption 5 samples per second

  • Selectable SensitivityHysteresisOutputPolarity  and Sample Rate

  • Sensitivity Drift < ±3% over Temperature

  • Wide Power Supply Voltage 

  • 1.71 to 5.5 V

  • 3.3 to 26.5 V

  • Selectable Output Options

  • Open-drain output

  • Digital high/low output

  • Industry-Standard Packaging

  • Surface mount SOT-23  (3 or 5 pins)

  • Through-hole TO-92 (3-pin)

  • 1.4 x 1.6 mm 8-pin DFN package  (coming soon)


SI7201-B-05-IV Pinout

SI7201-B-05-IV Pinout.png

SI7201-B-05-IV Block Diagram

SI7201-B-05-IV Block Diagram.jpg

SI7201-B-05-IV Block Diagram


Specifications

Silicon Labs SI7201-B-05-IV technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs SI7201-B-05-IV.
  • Type
    Parameter
  • Factory Lead Time
    10 Weeks
  • Mounting Type

    The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.

    Surface Mount
  • Package / Case

    refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.

    TO-236-3, SC-59, SOT-23-3
  • Test Conditions
    -40°C ~ 125°C
  • Operating Temperature

    The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.

    -40°C~125°C TA
  • Packaging

    Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.

    Strip
  • Part Status

    Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

    Active
  • Moisture Sensitivity Level (MSL)

    Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures

    2 (1 Year)
  • Voltage - Supply

    Voltage - Supply refers to the range of voltage levels that an electronic component or circuit is designed to operate with. It indicates the minimum and maximum supply voltage that can be applied for the device to function properly. Providing supply voltages outside this range can lead to malfunction, damage, or reduced performance. This parameter is critical for ensuring compatibility between different components in a circuit.

    1.7V~5.5V
  • Function

    The parameter "Function" in electronic components refers to the specific role or purpose that the component serves within an electronic circuit. It defines how the component interacts with other elements, influences the flow of electrical signals, and contributes to the overall behavior of the system. Functions can include amplification, signal processing, switching, filtering, and energy storage, among others. Understanding the function of each component is essential for designing effective and efficient electronic systems.

    Omnipolar Switch
  • Current - Supply (Max)

    The parameter "Current - Supply (Max)" in electronic components refers to the maximum amount of current that a component can draw from a power supply for its operation. This parameter is critical for ensuring that the power supply can adequately meet the demands of the component without causing damage or malfunction. Exceeding this specified maximum current can lead to overheating, reduced performance, or failure of the component. It is essential to consider this value when designing or integrating components into electronic circuits to maintain reliability and functionality.

    0.4μA Typ
  • Output Type

    The "Output Type" parameter in electronic components refers to the type of signal or data that is produced by the component as an output. This parameter specifies the nature of the output signal, such as analog or digital, and can also include details about the voltage levels, current levels, frequency, and other characteristics of the output signal. Understanding the output type of a component is crucial for ensuring compatibility with other components in a circuit or system, as well as for determining how the output signal can be utilized or processed further. In summary, the output type parameter provides essential information about the nature of the signal that is generated by the electronic component as its output.

    Push-Pull
  • Polarization

    In electronic components, polarization refers to the orientation or alignment of certain properties within the component. This property can affect the behavior and performance of the component in a circuit. For example, in capacitors, polarization refers to the alignment of the electric field within the dielectric material. Polarized capacitors, such as electrolytic capacitors, have a specific orientation for proper functioning. In other components like diodes, polarization refers to the direction of current flow, which is important for their correct operation. Understanding polarization is crucial for proper usage and integration of electronic components in circuits.

    North Pole, South Pole
  • Sensing Range

    The sensing range of position sensors is the displacement between the sensing face of the sensor and the approaching measurement object that triggers a signal change in the sensor.

    ±2.0mT Trip, ±0.6mT Release
  • Features

    In the context of electronic components, the term "Features" typically refers to the specific characteristics or functionalities that a particular component offers. These features can vary depending on the type of component and its intended use. For example, a microcontroller may have features such as built-in memory, analog-to-digital converters, and communication interfaces like UART or SPI.When evaluating electronic components, understanding their features is crucial in determining whether they meet the requirements of a particular project or application. Engineers and designers often look at features such as operating voltage, speed, power consumption, and communication protocols to ensure compatibility and optimal performance.In summary, the "Features" parameter in electronic components describes the unique attributes and capabilities that differentiate one component from another, helping users make informed decisions when selecting components for their electronic designs.

    Tamper Detection
  • RoHS Status

    RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

    RoHS Compliant
0 Similar Products Remaining

SI7201-B-05-IV Magnet Configurations

Magnet Beside Sensor.jpg

Magnet Beside Sensor

Magnet-Pole-Facing Sensor.jpg

Magnet-Pole-Facing Sensor

SOT23 and TO-92 Magnet Configuration

SSOT2-3 magnet configuration.jpg

SSOT2-3 magnet configuration

TO-92 magnet configuration.jpg

TO-92 magnet configuration

SI7201-B-05-IV Absolute Maximum Ratings

ParameterSymbolTest ConditionMinTypMaxUnit
Ambient Temperature Under Bias

-55
125°C
Storage Temperature

-65
150°C
Si7201/2/3/4
The voltage on I/O Pins

-0.3
VDD+0.3V
The voltage on VDD with Respect to
Ground


-0.3
6V
ESD Tolerance
HBM

2kV
CDM

500V
Si7205/6
The voltage on Output pin2

-21
40V
The voltage on VDD with Respect to
Ground3


-21
40V
ESD Tolerance
HBM

8kV
CDM

500V
Notes:
1. Absolute maximum ratings are stress ratings only, operation at or beyond these conditions is not implied and may shorten the life of the device or alter its performance.
2. The output pin can withstand EMC transients per ISO 7637-2-2-11 and Ford EMC-CS-2009.1 with a current limiting resistor of 220 Ω to a local bypass cap of 0.1 μF and an additional 22 Ω between the capacitor and ground.
3. VDD can withstand automotive EMC transients per ISO 7637-2-2-11 and Ford EMC-CS-2009.1 with a current limiting resistor of 220 Ω.


SI7201-B-05-IV Applications

• Replacement of reed switches in consumer, and security applications

Position sensing of HVAC knob, door locks, windows, 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


SI7201-B-05-IV package information

SI7201-B-05-IV package information.jpg

SI7201-B-05-IV package information


DimensionMinMax
--1.25
A100.1
A2 0.851.15
0.30.5
0.10.2
2.90 BSC
2.75 BSC
E11.60 BSC
0.95 BSC
e1 1.90 BSC
L0.30.6
θ
aaa 0.15
BBB 0.2
ccc 0.1
DDD 0.2
Note:
1. All dimensions shown are in millimeters (mm) unless otherwise noted.
2. Dimensioning and Tolerancing per ANSI Y14.5M-1994.
3. This drawing conforms to the JEDEC Solid State Outline MO-193, Variation AB.
4. Recommended card reflow profile is per the JEDEC/IPC J-STD-020D specification for Small Body Components.



SI7201-B-05-IV Manufacturer

Silicon Labs (NASDAQ: SLAB) is a prominent developer of silicon, software, and system solutions for the Internet of Things, Internet infrastructure, industrial automation, consumer electronics, and automobiles. Resolving the electronics industry's toughest problems, providing customers with significant advantages in performance, energy savings, connectivity, and design simplicity. Silicon Labs equips developers with the tools and technologies they need to go fast and easily from basic concept to finished product, backed by world-class engineering teams with unrivaled software and mixed-signal design expertise.


Datasheet PDF

Download datasheets and manufacturer documentation for Silicon Labs SI7201-B-05-IV.

Popularity by Region

Parts with Similar Specs

Frequently Asked Questions

How many pins of SI7201-B-05-IV ?

3 pins.

What’s the operating temperature of SI7201-B-05-IV ?

-40°C~125°C TA.

What’s the packaging way of SI7201-B-05-IV ?

SOT-23-3.

What’s the Voltage - Supply of SI7201-B-05-IV ?

1.7V~5.5V.

What’s the Function of SI7201-B-05-IV ?

Omnipolar Switch.
SI7201-B-05-IV

Silicon Labs

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