ROHM BU52004GUL, BU52014HFV Technical data

Hall IC Series

Omnipolar Detection Hall ICs (Polarity detection for both S and N features dual outputs)

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 8kV(HBM)

●Applications

Mobile phones, notebook computers, digital video camera, digital still camera, etc.

●Product Lineup

Supply

Product name

BU52004GUL 2.40～3.30 +/-3.7 ※ 0.8 50 8.0 CMOS VCSP50L1 BU52014HFV 1.65～3.30 +/-3.0

※Plus is expressed on the S-pole; minus on the N-pole

●Absolute Maximum Ratings

BU52004GUL (Ta=25℃)

Power Supply Voltage VDD -0.1 ~ +4.5 Output Current IOUT ±1 mA Power Dissipation Pd 420 Operating Temperature Range Topr -40 ~ +85 ℃ Storage Temperature Range Tstg -40 ~ +125 ℃

※1. Not to exceed Pd ※2. Reduced by 4.20mW for each increase in Ta of 1℃ over 25℃

(mounted on 50mm×58mm Glass-epoxy PCB)

BU52014 HFV (Ta=25℃)

Power Supply Voltage VDD -0.1 ~ +4.5 Output Current IOUT ±0.5 mA Power Dissipation Pd 536 Operating Temperature Range Topr -40 ~ +85 ℃ Storage Temperature Range Tstg -40 ~ +125 ℃

※3. Not to exceed Pd ※4. Reduced by 5.36mW for each increase in Ta of 1℃ over 25℃

(mounted on 70mm×70mm×1.6mm Glass-epoxy PCB)

voltage

(V)

PARAMETERS SYMBOL LIMIT UNIT

Operate point

(mT)

※

0.9 50 5.0 CMOS HVSOF5

Hysteresis

(mT)

Period

(ms)

Supply current

(AVG. )

(μA)

※

Output type Package

※

No.10045EDT01

www.rohm.com

1/11

2010.01 - Rev.D

BU52004GUL, BU52014HFV

●Magnetic, Electrical Characteristics BU52004GUL (Unless otherwise specified, VDD＝3.0V, Ta＝25℃)

PARAMETERS SYMBOL

LIMIT

MIN TYP MAX

UNIT CONDITIONS

Power Supply Voltage VDD 2.4 3.0 3.3 V

- 3.7 5.5

opS

Operate Point

Release Point

Hysteresis

-5.5 -3.7 -

opN

0.8 2.9 -

rpS

- -2.9 -0.8

rpN

- 0.8 -

hysS

- 0.8 -

hysN

Period Tp - 50 100 ms

Output High Voltage VOH

-0.4

- - V

Output Low Voltage VOL - - 0.4 V

Supply Current I Supply Current During Startup Time I Supply Current During Standby Time I

※5. B = Magnetic flux density 1mT=10Gauss Positive (“+”) polarity flux is defined as the magnetic flux from south pole which is direct toward to the branded face of the sensor. After applying power supply, it takes one cycle of period (T Radiation hardiness is not designed.

- 8 12 μA Average

DD(AVG)

- 4.7 - mA During Startup Time Value

DD(EN)

- 3.8 - μA During Standby Time Value

DD(DIS)

) to become definite output.

BU52014HFV (Unless otherwise specified, V

PARAMETERS SYMBOL

DD＝1.80V, Ta＝25℃)

LIMIT

MIN TYP MAX

UNIT CONDITIONS

Power Supply Voltage VDD 1.65 1.80 3.30 V

- 3.0 5.0

opS

Operate Point

Release Point

Hysteresis

-5.0 -3.0 -

opN

0.6 2.1 -

rpS

- -2.1 -0.6

rpN

- 0.9 -

hysS

- 0.9 -

hysN

Period Tp - 50 100 ms

Output High Voltage VOH

-0.2

- - V

Output Low Voltage VOL - - 0.2 V

Supply Current 1 I

Supply Current During Startup Time 1 I

Supply Current During Standby Time 1 I

Supply Current 2 I

Supply Current During Startup Time 2 I

Supply Current During Standby Time 2 I

※6. B = Magnetic flux density

1mT=10Gauss Positive (“+”) polarity flux is defined as the magnetic flux from south pole which is direct toward to the branded face of the sensor. After applying power supply, it takes one cycle of period (T Radiation hardiness is not designed.

DD1(AVG)

DD1(EN)

DD1(DIS)

DD2(AVG)

DD2(EN)

DD2(DIS)

) to become definite output.

- 5 8 μA VDD=1.8V, Average

- 2.8 - mA

- 1.8 - μA

- 8 12 μA VDD=2.7V, Average

- 4.5 - mA

- 4.0 - μA

Technical Note

OUTPUT：OUT1 (respond the south pole) OUTPUT：OUT2 (respond the north pole) OUTPUT：OUT1 (respond the south pole) OUTPUT：OUT2 (respond the north pole)

<B<B

rpN

=-1.0mA

OUT

B<B

opN

=+1.0mA

OUT

, B

rpS

opS

OUTPUT：OUT1 (respond the south pole) OUTPUT：OUT2 (respond the north pole) OUTPUT：OUT1 (respond the south pole) OUTPUT：OUT2 (respond the north pole)

<B<B

rpN

=-0.5mA

OUT

B<B

opN

=+0.5mA

OUT

=1.8V,

rpS

, B

opS

During Startup Time Value V

=1.8V,

During Standby Time Value

=2.7V,

During Startup Time Value

=2.7V,

During Standby Time Value

※

www.rohm.com

2/11

2010.01 - Rev.D

BU52004GUL, BU52014HFV

●Figure of measurement circuit

Bop/Brp

Technical Note

200Ω

VDD

100μF

VDD

GND

OUT

VDD

Oscilloscope

Bop and Brp are measured with applying the magnetic field from the outside.

Fig.1 B

measurement circuit

op,Brp

VOH

VDD

100μF

VDD

GND

OUT

Fig.3 V

measurement circuit

VOL

VDD

100μF

VDD

GND

OUT

Fig.4 V

measurement circuit

The period is monitored by Oscilloscope.

Fig.2 Tp measurement circuit

Product Name I

BU52004GUL 1.0mA

BU52014HFV 0.5mA

Product Name I

BU52004GUL 1.0mA

BU52014HFV 0.5mA

VDD

GND

OUT

IDD

VDD

Fig.5 I

www.rohm.com

2200μF

measurement circuit

VDD

GND

OUT

3/11

2010.01 - Rev.D

BU52004GUL, BU52014HFV

●Technical (Reference) Data BU52004GUL (VDD=2.4V～3.3V type)

8.0

6.0 V

=3.0V

4.0

2.0

0.0

-2.0

-4.0

-6.0

MAGNETIC FLUX DENSITY [mT]

-8.0

-60 - 40 -20 0 20 40 60 80 100

AMBIEN T TEMPER ATU RE [℃]

Fig.6 Bop,Brp –

Ambient temperature

100

Ta = 25°C

PERIOD [ms]

2.0 2.4 2. 8 3.2 3.6

SUPPLLY VOLTAGE[V]

Fig.9 TP – Supply voltage

Bop S

Brp S

Brp N

Bop N

BU52014HFV (V

8.0

6.0

MAGNETIC FLUX DENSITY [mT]

VDD=1.8V

4.0

2.0

0.0

-2.0

-4.0

-6.0

-8.0

-60 - 40 -20 0 20 40 60 80 100

AMBIEN T TEMPER ATU RE [℃]

DD=1.65V～3.3V type)

Bop S

Brp S

Brp N

Bop N

8.0

6.0

Ta = 25°C

4.0

2.0

0.0

-2.0

-4.0

-6.0

MAGNETIC FLUX DENSITY [mT]

-8.0

2.02.42.83.23.6

SUPPLY VOLTAGE ［V

Fig.7 Bop,Brp –

Supply voltage

20.0

18.0

VDD=3.0V

16.0

14.0

12.0

10.0

8.0

6.0

4.0

2.0

0.0

AVERAGE SUPPLY CURRENT [µA]

-60 - 40 - 20 0 20 40 60 80 100

AMBIEN T TEMPER ATURE [℃]

Fig.10 IDD – Ambient

temperature

8.0

6.0

Ta = 25°C

4.0

2.0

0.0

-2.0

-4.0

-6.0

MAGNETIC FLUX DENSITY [mT]

-8.0

1.4 1.8 2.2 2.6 3.0 3. 4

SUPPLY VOLTAGE ［V

Bop S

Brp S

Brp N

Bop N

Brp N

Bop N

］

Bop S

Brp S

］

Technical Note

100

VDD=3.0V

90 85 80 75 70 65 60

PERIOD [ms]

55 50 45 40

-60 - 40 - 20 0 20 40 60 80 100

AMBIEN T T EMPER ATU RE [℃]

Fig.8 TP– Ambient

temperature

20.0

18.0

Ta = 25°C

16.0

14.0

12.0

10.0

8.0

6.0

4.0

2.0

AVERAGE SUPPLY CURRENT [µA]

0.0

2.0 2. 4 2.8 3.2 3. 6

SUPPLY VOLTAGE [V]

Fig.11 IDD – Supply voltage

100

=1.8V

-60 - 40 -20 0 20 40 60 80 100 AMBIEN T TEMPER ATURE [℃]

PERIOD [ms]

Fig.12 Bop,Brp –

Ambient temperature

100

Ta = 25°C

PERIOD [ms]

1.4 1.8 2.2 2.6 3.0 3.4 3.8

SUPPLY VOLT AGE [V]

Fig.15 TP– Supply voltage

www.rohm.com

Fig.13 Bop,Brp – Supply voltage

20.0

18.0

VDD=1.8V

16.0

14.0

12.0

10.0

8.0

6.0

4.0

2.0

0.0

AVERAGE SUPPLY CURRENT [µA]

-60 - 40 -20 0 20 40 60 80 100

AMBIEN T TEMPER ATURE [℃]

Fig.16 IDD – Ambient

temperature

4/11

Fig.14 TP– Ambient

temperature

20.0

18.0

Ta = 25°C

16.0

14.0

12.0

10.0

8.0

6.0

4.0

2.0

AVERAGE SUPPLY CURRENT [µ A]

0.0

1.4 1.8 2.2 2.6 3.0 3.4

SUPPLY VOLTAGE[V]

Fig.17 IDD – Supply voltage

2010.01 - Rev.D

+ 8 hidden pages