DRV5023AJQLPGM屬于傳感器變送器的磁性傳感器-開關(guān)（固態(tài)）。由美國(guó)德州儀器公司制造生產(chǎn)的DRV5023AJQLPGM磁性傳感器 - 開關(guān)（固態(tài)）該系列產(chǎn)品使用固態(tài)技術(shù)來檢測(cè)是否存在超過某個(gè)特定幅度和/或標(biāo)示的磁場(chǎng)，并提供指示是否存在此類磁場(chǎng)的雙態(tài)輸出。它們與磁簧開關(guān)以及線性或羅盤型固態(tài)器件不同，前者通過使用移動(dòng)機(jī)械部件來提供類似的功能，后者提供指示所施加磁場(chǎng)的強(qiáng)度和/或方向的可變輸出。

1 Features

? Digital Unipolar-Switch Hall Sensor

? Superior Temperature Stability

– Sensitivity ±10% Over Temperature

? Multiple Sensitivity Options (BOP / BRP):

– 3.5 / 2 mT (FA, see Figure 24)

– 6.9 / 3.2 mT (AJ, see Figure 24)

– 14.5 / 6 mT (BI, see Figure 24)

? Supports a Wide Voltage Range

– 2.5 to 38 V

– No External Regulator Required

? Wide Operating Temperature Range

– TA = –40 to 125°C (Q, see Figure 24)

? Open Drain Output (30-mA Sink)

? Fast 35-μs Power-On Time

? Small Package and Footprint

– Surface Mount 3-Pin SOT-23 (DBZ)

– 2.92 mm × 2.37 mm

– Through-Hole 3-Pin TO-92 (LPG)

– 4.00 mm × 3.15 mm

? Protection Features

– Reverse Supply Protection (up to –22 V)

– Supports up to 40-V Load Dump

– Output Short-Circuit Protection

– Output Current Limitation

2 Applications

? Docking Detection

? Door Open and Close Detection

? Proximity Sensing

? Valve Positioning

? Pulse Counting

3 Description

The DRV5023 device is a chopper-stabilized Hall

Effect Sensor that offers a magnetic sensing solution

with superior sensitivity stability over temperature and

integrated protection features.

When the applied magnetic flux density exceeds the

BOP threshold, the DRV5023 open-drain output goes

low. The output stays low until the field decreases to

less than BRP, and then the output goes to high

impedance. The output current sink capability is 30

mA. A wide operating voltage range from 2.5 to 38 V

with reverse polarity protection up to –22 V makes

the device suitable for a wide range of industrial

applications.

Internal protection functions are provided for reverse

supply conditions, load dump, and output short circuit

or over current.