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BD6761FS 데이터시트 PDF




ROHM Semiconductor에서 제조한 전자 부품 BD6761FS은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 BD6761FS 기능
기능 Three-phase Brushless Motor Pre-drivers
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BD6761FS 데이터시트, 핀배열, 회로
www.DataSheet4U.com
Motor Drivers for Printers
Three-phase Brushless
Motor Pre-drivers for Paper Feed
BD6761FS,BD6762FV
No.10016EAT01
Description
This product is the motor predriver for high-side/low-side N-channel MOS-FET drive, which has the built-in booster (step-up)
circuit. BD6761FS uses the drive type controlled by the servo signal input from outside and BD6762FV incorporates a servo
circuit (Speed discriminator + PLL servo).
Features
1) Predriver for high-side/low-side N-channel MOS-FET
2) Built-in booster (step-up) circuit
3) Built-in FG and hysteresis amplifiers
4) Built-in current limit circuit
5) Built-in thermal shutdown circuit
6) Built-in forward/reverse rotation switching circuit (BD6761FS, FD6762FV)
7) Built-in short brake circuit (BD6761FS, BD6762FV)
8) Built-in low voltage protection circuit (BD6761FS, BD6762FV)
9) Built-in speed lock detection circuit (BD6762FV)
10) Built-in motor lock protection circuit (BD6762FV)
11) Built-in start-stop circuit (BD6762FV)
12) Built-in servo circuit (Speed discriminator + PLL) (BD6762FV)
13) Built-in frequency multiplication circuit (BD6762FV)
14) 180°, direct PWM drive (BD6761FS)
15) 120°, slope switchable direct PWM drive (BD6762FV)
Applications
Main motor for paper feed of the laser beam printer and PPC
Absolute Maximum Ratings (Ta=25)
Parameter
Symbol
Ratings
BD6761FS
BD6762FV
Applied voltage
VCC
36
36
Applied voltage
VG 36
36
Pin input voltage
Power dissipation
Vin VREG
VREG
Pd 950(1) 1100(2)
Operating temperature range
TOPR
-35 ~ +75
-25 ~ +75
Storage temperature range
TSTG
-40 ~ +150
-40 ~ +150
Junction temperature
Tjmax
150
150
1 Reduced by 7.6 mW/over 25°, when mounted on a glass epoxy board (70 mm 70 mm 1.6 mm).
2 Reduced by 8.8 mW/over 25, when mounted on a glass epoxy board (70 mm 70 mm 1.6 mm).
Unit
V
V
V
mW
Line up Matrix
Power supply voltage (VCC)
Drive type
Servo
BD6761FS
16~28
180°
No
BD6762FV
16~28
120° / 120° slope
Yes
Unit
V
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
1/22
2010.06 - Rev.A




BD6761FS pdf, 반도체, 판매, 대치품
BD6761FS,BD6762FV
Technical Note
www.DataSheet4U.com
BD6762FV (Unless otherwise specified, Ta=25°C, VCC=24 V)
Parameter
Symbol
Min.
Limits
Typ.
Max.
Unit
Conditions
Start/Stop
High-level ST/SP input voltage
VSTH
2.2
VREG
V STOP
Low-level ST/SP input voltage
VSTL
0
0.8 V START
High-level ST/SP input current
ISTH
-10
0
10 μA
Low-level ST/SP input current
ISTL
-70
-50
-30 μA
Forward rotation/Reverse rotation
High-level FR input voltage
VFRH
2.2
VREG
V Reverse rotation
Low-level FR input voltage
VFRL
0
0.8 V Forward rotation
High-level FR input current
IFRH
-10
0
10 μA
Low-level FR input current
IFRL
-70
-50
-30 μA
120°/Slope switching
High-level 120/slope input voltage VANH
2.2
VREG
V 120°
Low-level 120/slope input voltage VANL
0
0.8 V 120° slope
High-level 120/slope input current IANH
-10
0
10 μA
Low-level 120/slope input current
IANL
-70
-50
-30 μA
Short brake
High-level SB input voltage
VSBH
2.2
VREG
V Short brake operation
Low-level SB input voltage
VSBL
0
0.8 V Short brake clear
High-level SB input current
ISBH
-10
0
10 μA
Low-level SB input current
ISBL
-70
-50
-30 μA
Current limit
Current detection voltage
VCL 0.23 0.26 0.29 V
Booster
CP1 oscillating frequency
FCP1
75
125 175 kHz
VG step-up voltage
VG VCC+5.7 VCC+6.7 VCC+7.7 V
High-side output
High output voltage 1
VHHG1 VCC+5.8 VCC+6.8 VCC+7.8 V VG=31V
High output voltage 2
VHHG2 VCC+3.8 VCC+4.8 VCC+5.8 V Io=-1mA
Low output voltage 1
VHLG1
0.1 0.3 V
Low output voltage 2
VHLG2
0.5 1.0 V Io=5mA
Clamp voltage
VHCL
10
11
12 V
Low-side output
High output voltage 1
VLHG1
9.8
10.8 11.8 V
High output voltage 2
VLHG2
9.0
10.0 11.0 V Io=-5mA
Low output voltage 1
VLLG1
0.1 0.3 V
Low output voltage 2
VLLG2
0.3 0.5 V Io=5mA
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
4/22
2010.06 - Rev.A

4페이지










BD6761FS 전자부품, 판매, 대치품
BD6761FS,BD6762FV
Technical Note
2)BD6762FV
RF voltage smoothing low
pass filter
See P. 18/22.
0.1
Resistor for setting the current
limit
See P. 18/22.
0.1µF
Capacitor for the protection
between the output FET drain
and source
See P. 18/22.
0.1µF
M
RNF
470pF
1k
MOS
FET
VCO
MOS
FET
VCO
GND
RF
UHG
U
ULG
VHG
V
VLG
PRE
DRIVER
LOGIC
0.1µF
MOS FET
Output FET gate voltage
stabilization resistor
See P. 19/22.
Capacitor for preventing
VREG oscillation
See P. 18/22.
PWM frequency external
constant
See P. 18/22.
For setting Hall input level
See P. 18/22.
Capacitor for Hall noise
elimination
See P. 18/22.
For setting Hall input level
See P. 18/22.
MOS
FET
VCO
WHG
W
WLG
(0.01µF~0.1µF)
0.1µF
VREG
1000pF (500pF ~ 2000pF)
CFE
RFE
20k (20k~ 100k)
REGURATOR
TRIANGULAR
OSCILLATOR
VCC
R1 5k (2k~ 10k)
0.01µF
HU
HU+
HU-
0.01µF
HV
HV+
HV-
HALL
COMP
0.01µF
HW
HW+
HW-
R2 2k (1k~ 5k)
CLK
OSCILLATOR
BOOSTER
LD
LP
DAC3
VELOCITY
DISCRIMINATOR
PLL
VCO
PHASE
COMPARISON
DIVIDER
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Capacitor for setting VG
current capacity
See P. 18/22.
CP1
CP2
VG
0.1µF
VCC
0.01µF (0.01µF ~ 0.1µF)
10µF Capacitor for VCC pin
noise elimination
See P. 19/22.
1k~ 100k
LD
Speed lock
detection pull-up
10kresistor
C7 0.22µF (0.1µF ~ 1µF)
LP
INTOUT
R6 220k
INTIN
C5 0.047µF
C6 0.47µF
Capacitor for the
motor lock detection
time
See P. 19/22.
R4
20k
DOUT
R5
1MIntegration amplifier
external constant
See P. 19/22.
POUT
LPF
C8 0.33µF
LPF external constant
See P. 19/22.
C9 0.33µF
CLKIN
R7 2k
1k~ 100k
FGSOUT
10k
FGSOUT pull-up resistor
FGOUT
R2
390k
C2
150pF
FGIN-
FGIN+
4.7k0.1µF
R1 C1
1µF
120/SL
Resistor for setting FG
SB
amplifier gain and the
capacitor for the filter
See P. 18/22.
FR
ST/SP
Fig.10 BD6762FV Block Diagram
BD6762FV pin Function
No. Pin name
Function
No. Pin name
Function
1 GND GND pin
21 ST/SP Start/Stop pin
2 RF Motor current detection pin
22 FR Forward/reverse rotation switching pin
3 UHG U-phase high-side FET gate pin
23 SB Short brake pin
4
U
Protection pin for U-phase high-side
FET GS breakdown voltage
24 120/SL 120°/slope switching pin
5 ULG U-phase low-side FET gate pin
25 FGIN+ FG amplifier input + pin
6 VHG V-phase high-side FET gate pin
26 FGIN- FG amplifier input - pin
7
V
Protection pin for V-phase high-side
FET GS breakdown voltage
27 FGOUT FG amplifier output pin
8 VLG V-phase low-side FET gate pin
28 FGSOUT FGS output pin
9 WHG W-phase high-side FET gate pin
29 CLKIN Reference CLK input pin
10
W
Protection pin for W-phase high side
FET GS breakdown voltage
30 LPF VCO system loop filter connection pin
11 WLG W-phase low-side FET gate pin
31 POUT PLL output pin
12 VREG Internal power supply 5 V output pin
32 DOUT Speed discriminator output pin
13 CFE PWM frequency control pin
33 INTIN Integration amplifier input pin
14 RFE CEF charge/discharge current control pin 34 INTOUT Integration amplifier output pin
15 HU+ Hall signal input pin
35 LP Motor lock protection time setting pin
16 HU- Hall signal input pin
36 LD Motor rotation number lock detection pin
17 HV+ Hall signal input pin
37 VCC VCC pin
18 HV- Hall signal input pin
38 VG Step-up voltage output pin
19 HW+ Hall signal input pin
39 CP2 Capacitor connection pin (to CP1)
20 HW- Hall signal input pin
40 CP1 Capacitor connection pin (to CP2)
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
7/22
2010.06 - Rev.A

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부품번호상세설명 및 기능제조사
BD6761FS

Three-phase Brushless Motor Pre-drivers

ROHM Semiconductor
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