Bipolar Hall sensor AH3031 (Latch Type)

Bipolar Hall sensor AH3031 (Latch Type)
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Bipolar Hall sensor AH3031 (Latch Type)

Product catalog summary
Features and Benefits
  • High sensitivity digital bipolar-latch Hall IC with a wide operating voltage range of 4.5V to 24V.
  • Stable performance across a temperature range of -40ºC to 150ºC.
  • Offers reverse power supply protection and strong resistance to mechanical stress.
  • Available in multiple package options: SOT-23-3L, SOT-89, and TO-92UA.
  • Complies with EU RoHS and REACH standards.
Application Examples
  • Automotive, consumer, and industrial electronics.
  • Water flow sensing, electronic steering column lock, door latch system, seat adjustment, speed measurement, tachometer, motor control, and brushless DC motor applications.
Selection Guide
  • Part numbers include AH3031/K-M, AH3031/L-S, and AH3031/L-UA, each with different packaging and operating temperature specifications.
General Description

The AH3031 is a high sensitivity digital bipolar-latch Hall IC designed for stable operation over a wide voltage and temperature range. It includes features such as a reverse voltage protector, voltage regulator, temperature compensation circuit, and more, ensuring reliable performance in various applications.

Electrical and Magnetic Characteristics
  • Supply voltage range: 4.5V to 24V.
  • Operating temperature range: -40ºC to 150ºC.
  • Magnetic operating characteristics include an operating point (BOP) of -5.0 mT and a release point (BRP) of 5.0 mT.
Package Information
  • Dimensions and specifications for SOT-23-3L, SOT-89, and TO-92UA packages are provided, detailing size and configuration for each type.
Important Notes
  • Hall ICs are soldered using tin brazing, and wave soldering poses a risk of failure.
  • Not suitable for life support devices where failure could cause bodily harm.
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Catalog excerpts

Bipolar Hall sensor AH3031 (Latch Type)-1

High Sensitivity Digital Bipolar-latch Hall IC △ Automotive electronics, Consumer electronics and Industrial electronics △ Water flow sensing △ Electronic steering column lock △ Door latch system △ Seat adjustment △ Speed measurement and tachometer △ Motor control △ Brushless DC motor △ Digital output, bipolar latch △ Stable over the entire temperature range △ Wide operating voltage range: 4.5V ~ 24V △ Strong resistance to mechanical stress △ Reverse power supply protection △ Non-contact output, safety and reliable △ TO-92UA, SOT-23-3L and SOT-89 package options △ Developed according to the EU RoHS and REACH 3 Selection Guide Packing Part Number NOTE 1. Hall ICs are soldered tin brazing for assembly, and wave soldering of SOT-23-3L and SOT-89 surface-mounted components poses a risk of failure. 2. A risk of circuit failure may happen in non-brazing processes such as electric resistance welding, high-frequency welding, etc. 3. E: -40~85°C; K: -40~125°C; L: -40~150°C. Nanjing AH Electronic Science & Technology Co., Ltd. ADD: Building 3, Huaye Park, Qidi City, 8, Zhineng Road, Ky

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Bipolar Hall sensor AH3031 (Latch Type)-2

High Sensitivity Digital Bipolar-latch Hall IC 4 General Description THE AH3031 IS THE EQUIVALENT PARTS FOR AH512, AH513, AH3601 AND AH3602B. The AH3031 is a high sensitivity digital bipolar-latch Hall IC with single output. It has good temperature stability and latch function. The AH3031 includes the following on a single silicon chip: reverse voltage protector, voltage regulator, temperature compensation circuit, Hall-voltage generator, signal amplifier, Schmitt trigger and open collector output driver, etc. The integrated voltage regulator and temperature compensation circuit ensure that the...

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Bipolar Hall sensor AH3031 (Latch Type)-3

High Sensitivity Digital Bipolar-latch Hall IC 6 Absolute Maximum Ratings Characteristic Supply Voltage Reverse Supply Voltage Reverse Output Voltage Output Current Magnetic Flux Density Operating Temperature Operating Temperature Too high a Tj could lead to electrical or thermal breakdown Maximum Junction Temperature Storage Temperature NOTE 1. Human Body Model according to AEC-Q100-002 standard. 7 Electrical Operating Characteristics valid through the full operating temperature range; unless otherwise specified Test Conditions Supply Voltage High-level Output Voltage Low-level Output Voltage...

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Bipolar Hall sensor AH3031 (Latch Type)-4

High Sensitivity Digital Bipolar-latch Hall IC 9 Characteristic Curves (Type UA) Supply Current (Off) versus Ambient Temperature VCC (V) Supply Current (Off) versus Supply Voltage T A (°C) Low-level Output (On) versus Ambient Temperature VCC (V) Low-level Output (On) versus Supply Voltage T A (°C) Operating and Release Point versus Ambient Temperature BOP Nanjing AH Electronic Science & Technology Co., Ltd. ADD: Building 3, Huaye Park, Qidi City, 8, Zhineng Road, KyLin Technology Innovation Park, Nanj

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Bipolar Hall sensor AH3031 (Latch Type)-5

High Sensitivity Digital Bipolar-latch Hall IC 10 Magnetic Behavior South Pole Active When the S pole of the magnet faces the mark surface of the sensor and is close to it (B≥ BOP), the sensor outputs a low level; when the N pole faces the mark surface and is close to it (B≤BRP), the sensor outputs a high level. When the magnet is far away from the sensor (B=0), the output status of the sensor is latched and remains unchanged. In order to change the output status, the applied magnetic field must be opposite polarity. The magnetoelectric conversion characteristics of AH3031 are shown in the figure:...

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Bipolar Hall sensor AH3031 (Latch Type)-6

High Sensitivity Digital Bipolar-latch Hall IC North Pole Active When the N pole of the magnet faces the mark surface of the sensor and is close to it (|B|≥|BOP|), the sensor outputs a low level; when the S pole faces the mark surface and is close to it (|B|≥|BRP|), the sensor outputs a high level. When the magnet is far away from the sensor (B=0), the output status of the sensor is latched and remains unchanged. In order to change the output status, the applied magnetic field must be opposite polarity. The magnetoelectric conversion characteristics of AH3031 are shown in the figure: Vout switch...

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Bipolar Hall sensor AH3031 (Latch Type)-7

High Sensitivity Digital Bipolar-latch Hall IC Nanjing AH Electronic Science & Technology Co., Ltd. ADD: Building 3, Huaye Park, Qidi City, 8, Zhineng Road, KyLin Technology Innovation Park, Nanjing, Chin

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Bipolar Hall sensor AH3031 (Latch Type)-8

High Sensitivity Digital Bipolar-latch Hall IC Nanjing AH Electronic Science & Technology Co., Ltd. ADD: Building 3, Huaye Park, Qidi City, 8, Zhineng Road, KyLin Technology Innovation Park, Nanjing, China

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Bipolar Hall sensor AH3031 (Latch Type)-9

High Sensitivity Digital Bipolar-latch Hall IC Nanjing AH Electronic Science & Technology Co., Ltd. ADD: Building 3, Huaye Park, Qidi City, 8, Zhineng Road, KyLin Technology Innovation Park, Nanjing, China

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Bipolar Hall sensor AH3031 (Latch Type)-10

High Sensitivity Digital Bipolar-latch Hall IC Package form Operating temperature Device part number 3-pin digital bipolar series with single output Nanjing AH Electronic Science & Technology Co., Ltd. ● Package Form: M —— SOT-23-3L(SMD) S —— SOT-89(SMD) UA —— TO-92UA/TO-92S(SIP) Note: M and S type are packed in reels, M 3k/reel, S 1k/reel; UA type is packed in bags of 1k/bag or 0.5k/bag. ● Operating Temperature: E —— -40℃~+85℃ L —— -40℃~+150℃ Copyright 2003~2020 Nanjing AH Electronic Science & Technology Co., Ltd. Nanjing AH Electronic Science & Technology Co., reserves the right to improve...

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