ROHM BU52004GUL BU52014HFV Data Sheet / User Manual
Summary
These highly accurate Hall Integrated Circuits are designed for omnipolar detection, enabling precise polarity judgment from both South (S) and North (N) magnetic poles using dual outputs. Ideal for detecting front/back location or rotational direction in various portable devices. The comprehensive manual provides technical specifications on operational parameters, low power consumption features, and suitability across mobile phones, notebooks, and digital cameras. This product is essential for applications requiring reliable, micropower detection of magnetic field orientation.
Page 1 Text Content
Hall IC Series
Omnipolar Detection Hall ICs (Polarity detection for both S and N features dual outputs)
No.10045EDT01
BU52004GUL, BU52014HFV
●Description The BU52004GUL and BU52014HFV are bipolar Hall ICs incorporating a polarity determination circuit that enables operation (output) on both the S- and N-poles, with the polarity judgment based on the output processing configuration. These Hall IC products can be in with movie, mobile phone and other applications involving crystal panels to detect the (front-back) location or determine the rotational direction of the panel.
●Features 1) Omnipolar detection (polarity detection for both S and N features dual outputs) 2) Micropower operation (small current using intermittent operation method) 3) Ultra-compact CSP4 package(BU52004GUL) 4) Small outline package (BU52014HFV) 5) Line up of supply voltage For 1.8V Power supply voltage (BU52014HFV) For 3.0V Power supply voltage (BU52004GUL) 6) Polarity judgment and output on both poles (OUT1: S-pole output; OUT2: N-pole output) 7) High ESD resistance 8k V(HBM)
●Applications Mobile phones, notebook computers, digital video camera, digital still camera, etc.
●Product Lineup
Supply Supply current
Operate point Hysteresis Period
Product name voltage (AVG. ) Output type Package
(m T) (m T) (ms)
BU52004GUL 2.40～3.30 +/-3.7 ※ 0.8 50 8.0 CMOS VCSP50L1 BU52014HFV 1.65～3.30 +/-3.0 ※ 0.9 50 5.0 CMOS HVSOF5 ※Plus is expressed on the S-pole; minus on the N-pole
●Absolute Maximum Ratings BU52004GUL (Ta=25℃)
PARAMETERS SYMBOL LIMIT UNIT
Power Supply Voltage VDD -0.1 ~ +4.5※1 V Output Current IOUT ±1 m A Power Dissipation Pd 420※2 m W Operating Temperature Range Topr -40 ~ +85 ℃ Storage Temperature Range Tstg -40 ~ +125 ℃ ※1. Not to exceed Pd ※2. Reduced by 4.20m W for each increase in Ta of 1℃ over 25℃ (mounted on 50mm×58mm Glass-epoxy PCB) BU52014 HFV (Ta=25℃)
PARAMETERS SYMBOL LIMIT UNIT
Power Supply Voltage VDD -0.1 ~ +4.5※3 V Output Current IOUT ±0.5 m A Power Dissipation Pd 536※4 m W Operating Temperature Range Topr -40 ~ +85 ℃ Storage Temperature Range Tstg -40 ~ +125 ℃ ※3. Not to exceed Pd ※4. Reduced by 5.36m W for each increase in Ta of 1℃ over 25℃ (mounted on 70mm×70mm×1.6mm Glass-epoxy PCB)
www.rohm.com 2010.01 - Rev.D
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Page Summary Contents For ROHM BU52004GUL BU52014HFV Data Sheet / User Manual
Manual Details
| Brand | ROHM |
|---|---|
| Pages | 12 |
| File Size | 358.77 KB |
| Published | July 10, 2026 |
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Frequently Asked Questions
Does this IC support both positive and negative polarity detection?
Yes, it offers omnipolar detection with dual outputs: OUT1 for the S-pole and OUT2 for the N-pole.
Can I use this system in life-critical applications like medical instruments?
No. The products are not designed for equipment requiring extremely high reliability where failure could result in direct threat to human life.
What is the secure operating temperature range of the device?
The operational temperature range is -40 °C to +85 °C.
How does the polarity judgment work?
It incorporates a specific circuit that allows operation and output determination based on bipolar Hall IC principles.