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ROHM Bipolar Detection Hall ICs BU52001GUL, BU52011HFV, BU52021HFV, BU52015GUL, BU52025G, BU52051NVX, BD7411G User Manual

Summary

Discover our line of high-precision Bipolar Detection Hall ICs—advanced magnetic switches ideal for sensing both North and South poles. These compact sensors offer reliable performance across various supply voltages (1.8V to 5.0V) and come in ultra-small, space-saving packages (CSP4, HVSOF5). This manual provides comprehensive technical data, including detailed electrical specifications, operating parameters, physical dimensions, and application guides. Essential for designers building devices like mobile phones, notebooks, cameras, and white goods that require robust magnetic detection capabilities.

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Hall IC Series / Hall IC(Latch type)

Bipolar Detection Hall ICs BU52001GUL, BU52011HFV, BU52021HFV, BU52015GUL, BU52025G, BU52051NVX, BD7411G Description The bipolar Hall ICs are magnetic switches that can operate both S-and N-pole , upon which the output goes from Hi to Low. In addition to regular single-output Hall ICs, We offers a line up of dual-output units with a reverse output terminal (active High). Features 1) Bipolar detection 2) Micropower operation (small current using intermittent operation method)(BD7411G is excluded.) 3) Ultra-compact CSP4 package (BU52001GUL,BU52015GUL) 4) Ultra-Small outline package HVSOF5 (BU52011HFV,BU52021HFV) 5) Ultra-Small outline package SSON004X1216 (BU52051NVXV) 6) Small outline package (BU52025G,BD7411G 7) Line up of supply voltage

For 1.8V Power supply voltageBU52011HFV,BU52015GUL,BU52051NVX) For 3.0V Power supply voltage (BU52001GUL) For 3.3V Power supply voltage (BU52021HFV,BU52025G) For 5.0V Power supply voltage (BD7411G) 8) Dual output type (BU52015GUL) 9) High ESD resistance 8k V(HBM)

Applications Mobile phones, notebook computers, digital video camera, digital still camera, white goods etc.

Product Lineup

Supply

Supply Operate

Hysteresis Period current Output

Product name voltage point Package

(m T) (ms) (AVG) type

BU52001GUL 2.403.30 +/-3.7 0.8 50 8.0 CMOS VCSP50L1 BU52015GUL 1.653.30 +/-3.0 0.9 50 5.0 CMOS VCSP50L1 BU52051NVX 1.653.30 +/-3.0 0.9 50 5.0 CMOS SSON004X1216 BU52011HFV 1.653.30 +/-3.0 0.9 50 5.0 CMOS HVSOF5 BU52021HFV 2.403.60 +/-3.7 0.8 50 8.0 CMOS HVSOF5 BU52025G 2.403.60 +/-3.7 0.8 50 8.0 CMOS SSOP5 BD7411G 4.505.50 +/-3.4 0.4 - 2.0m CMOS SSOP5 Plus is expressed on the S-pole; minus on the N-pole

Jul. 2008

Page Summary Contents For ROHM Bipolar Detection Hall ICs BU52001GUL, BU52011HFV, BU52021HFV, BU52015GUL, BU52025G, BU52051NVX, BD7411G User Manual

Page 1 Hall IC Series / Hall IC(Latch type) Bipolar Detection Hall ICs BU52001GUL, BU52011HFV, BU52021HFV, BU52015GUL, BU52025G, BU52051NVX, BD7411G Description The bipolar Hall ICs are magnetic switches tha...
Page 2 Absolute Maximum Ratings BU52001GUL (Ta=25) BU52015GUL (Ta=25) PARAMETERS SYMBOL LIMIT UNIT PARAMETERS SYMBOL LIMIT UNIT Power Supply Voltage VDD -0.1+4.51 Power Supply Voltage VDD -0.1+4.53 Out...
Page 3 Magnetic, Electrical Characteristics BU52001GUL (Unless otherwise specified, VDD3.0V, Ta25) LIMIT PARAMETERS SYMBOL UNIT CONDITIONS MIN TYP MAX Power Supply Voltage VDD 2.4 3.0 3.3 V Bop S - 3.7 5....
Page 4 BU52015GUL (Unless otherwise specified, LIMIT PARAMETERS SYMBOL UNIT CONDITIONS MIN TYP MAX Power Supply Voltage VDD 1.65 1.80 3.30 Bop S - 3.0 5.0 Operate Point m T Bop N -5.0 -3.0 Brp S 0.6 2.1 - Re...
Page 5 BU52051NVX , BU52011HFV (Unless otherwise specified, VDD1.80V, Ta25) LIMIT PARAMETERS SYMBOL UNIT CONDITIONS MIN TYP MAX Power Supply Voltage VDD 1.65 1.80 3.30 Bop S - 3.0 5.0 Operate Point m T Bo...
Page 6 BD7411G (Unless otherwise specified, VDD5.0V, Ta25) LIMIT PARAMETERS SYMBOL UNIT CONDITIONS MIN TYP MAX Power Supply Voltage VDD 4.5 5.0 5.5 V Bop S - 3.4 5.6 Operate Point m T Bop N -5.6 -3.4 Brp ...
Page 7 Figure of measurement circuit Bop/Brp Tp OUT 100F Oscilloscope The period is monitored by Oscilloscope.Bop and Brp are measured with applying the magnetic field from the outside. Fig.1 Bop,Brp measu...
Page 8 Technical (Reference) Data BU52001GUL (VDD=2.4V3.3V type) 8.0 IO s] 8.0 TI LU IT [m T] IO s] TI LU IT [m T] VDD=3.0V Bop S Ta = 25°C Bop S VDD=3.0V 4.0 4.0 Brp S Brp S Brp N -2.0 Brp N -2.0 Bop N Bop...
Page 9 BU52021HFV, BU52025G (VDD=2.4V3.6V type) TI LU IT [m T] PE IO s] TI LU IT [m T] LY [m VDD=3.0V Bop S Ta = 25°C Bop S 4.0 4.0 VDD=3.0V Brp S Brp S Brp N Brp N Bop N Bop N SUPPLY VOLTAGE V AMBIENT TEM...
Page 10 Block Diagram BU52001GUL DD 0.1F A1 Adjust the bypass capacitor IC FF value as necessary, according IC TIMING LOGIC LL AT IO to voltage noise conditions, etc. HALL LL AT IO ELEMENT The CMOS output te...
Page 11 BU52051NVX Adjust the bypass capacitor FF value as necessary, according LL AT IO to voltage noise conditions, etc. FF TIMING LOGIC HALL LL AT IO ELEMENT The CMOS output terminals enable direct connect...
Page 12 BU52025G 0.1F Adjust the bypass capacitor value as necessary, according IC to voltage noise conditions, etc. IC TIMING LOGIC FF FF LL AT IO LL AT IO ELEMENT The CMOS output terminals enable direct co...
Page 13 Description of Operations (Micropower Operation) The bipolar detection Hall IC adopts an intermittent operation method to save energy. At startup, the Hall elements, amp, comparator and other detectio...
Page 14 (Magnetic Field Detection Mechanism) Flux Flux Fig.36 The Hall IC cannot detect magnetic fields that run horizontal to the package top layer. Be certain to configure the Hall IC so that the magnetic f...
Page 15 Intermittent Operation at Power ON Power ON Startup time Standby time Standby time Startup time Supply current (Intermittent action) Indefinite OUT (No magnetic field present) Indefinite OUT (Magnetic...
Page 16 Position of the Hall Effect IC(Reference) SSON004X1216VCSP50L1 HVSOF5 SSOP5 (UNITmm) Footprint dimensions (Optimize footprint dimensions to the board design and soldering condition) HVSOF5VCSP50L1 SS...
Page 17 Operation Notes 1 Absolute maximum ratings Exceeding the absolute maximum ratings for supply voltage, operating conditions, etc. may result in damage to or destruction of the IC. Because the source (...
Page 18 10) Exposure to strong light Exposure to halogen lamps, UV and other strong light sources may cause the IC to malfunction. If the IC is subject to such exposure, provide a shield or take other measure...
Page 19 SSOP5 < Tape/Reel Info > <Dimensions> Tape Embossed carrier tape 1. ax Quantity 3000pcs 2. 8± 0. Direction TR 0. ±0 .0 1. −0 .1 0. 6M ax 1. 2± 0. (Correct direction: With reel in the left ...
Page 20 20/20 Catalog No.08T155A '08.7 ROHM ©

Manual Details

Brand ROHM
Pages 20
File Size 448.58 KB
Published May 27, 2026
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Frequently Asked Questions

What types of power supplies are compatible with this range of Hall ICs?

They support various supply voltages including 1.8V, 3.0V, 3.3V, and 5.0V.

Can these bipolar Hall ICs be used in high-demand environments?

The operating temperature range for most models is -40°C to +125°C, with BD7411G supporting -40°C to +150°C.

Which model offers dual output functionality?

BU52015GUL provides dual-output capability.

What material is the common packaging for these ICs?

The components are available in multiple advanced packages, including CMOS VCSP50L1, HVSOF5, SSON004X1216, and SSOP5.