BD6762FS 查看數據表（PDF） - ROHM Semiconductor

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BD6762FS

Three-phase Brushless Motor Pre-drivers for Paper Feed

ROHM Semiconductor 

BD6761FS,BD6762FV

Technical Note

●Electrical Characteristics

BD6761FS (Unless otherwise specified, Ta=25°C, VCC=24.0V)

Parameter

Symbol

Min.

Limits

Typ.

Overall

Circuit current

ICC

10

15

VREG voltage

VREG

5.5

6

Hall amp

Input bias current

IHA

－

0.7

In-phase input voltage range

VHAR

1.5

－

Input level

VINH

30

－

PWM

High CFE voltage

VHPCFE 3.0

3.5

Low CFE voltage

VLPCFE

2.1

2.5

CFE oscillating frequency

FCFE

12

15

PWM on duty offset

DPWM

-1.5

0

Torque amplifier

High CPOUT input current

ICPOUTH －

0

Low CPOUT input current

ICPOUTL

-1

0

Current limit

Current detection voltage 1

VCL1

0.391

0.435

Current detection voltage 2

VCL2

0.432

0.480

VCL2-VCL1

ΔVCL

40

45

FG Amp

Input bias current

IBFG

-1

－

Input offset voltage

VBFG

-10

－

High output voltage

VHFG

4.5

5.0

Low output voltage

VLFG

－

1.0

Low FGS output voltage

VLFGS

－

0.1

Open loop gain

GVFG

45

54

Bias voltage

VBIASFG 2.7

3.0

Hysteresis width

VHYS

100

180

F/R

High input current

IFRL

30

60

Low input current

IFRH

-10

0

High input level

VIHFR

2.2

－

Low input level

VILFR

0

－

ACC and DEC

High ACC input current

IACCH

30

60

Low ACC input current

IACCL

-10

0

High DEC input current

IDECH

30

60

Low DEC input current

IDECL

-10

0

Accelerating current

ISS

-260

-200

Decelerating current

ISO

140

200

High ACC input level

VIHACC

2.2

－

Low ACC input level

VILACC

0

－

High DEC input level

VIHDEC

2.2

－

Low DEC input level

VILDEC

0

－

High-side output

High-side voltage

VHG

Vcc+5

Vcc+6

Pull-down resistor

RHD

70

100

Low-side output

Low-side voltage

VLG

9.5

10.5

Pull-down resistor

RLD

70

100

Booster

Boost voltage

VG

Vcc+5

Vcc+6

CP1 oscillating frequency

FCP1

35

62.5

Max.

Unit

Conditions

20

mA

6.5

V IVREG=-1mA

3.0

µA

4.1

V

250 mVpp Single-phase Hall amplitude

4.0

V

2.9

V

18

kHz RFE=50kΩ, CFE=1000pF

1.5

%

1

µA

－

µA

0.479

0.528

50

V For current sense amplifier

V For current limit comparator

mV

1

10

VREG

1.5

0.3

－

3.3

250

µA

mV

V IHFGOUT=-0.75mA

V ILFGOUT=2mA

V ILFGSOUT=3mA

dB f=3kHz

V

mV

90

10

VREG

0.8

µA F/R=6V

µA F/R=0V

V Reverse rotation

V Forward rotation

90

10

90

10

-140

260

VREG

0.8

VREG

0.8

µA ACC=6V

µA ACC=0V

µA DEC=6V

µA DEC=0V

µA RCP=13.5kΩ, ACC=L

µA RCP=13.5kΩ, DEC=L

V

V

V

V

Vcc+7

V

130

kΩ

11.5

V

130

kΩ

Vcc+7

V

85

kHz

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2010.06 - Rev.A

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