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BD6757KN 데이터시트 PDF




ROHM Semiconductor에서 제조한 전자 부품 BD6757KN은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 BD6757KN 기능
기능 7ch System Lens Drivers
제조업체 ROHM Semiconductor
로고 ROHM Semiconductor 로고


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BD6757KN 데이터시트, 핀배열, 회로
SystemLensDriverSeriesforDigitalStillCameras/Single-lensReflexCameras
7ch System Lens Drivers for
DigitalStillCameras/Single-lensReflexCameras
BD6757KN, BD6889GU
No.09014EAT04
Description
BD6757KN and BD6889GU motor drivers provide 6 Full-ON Drive H-bridge channels and 1 Linear Constant-Current Drive
H-bridge channel. Stepping motors can be used for the auto focus, zoom, and iris, making it possible to configure a
sophisticated, high precision lens drive system. ROHM’s motor drivers are both compact, multifunctional, and enable
advanced features such as lens barrier and anti shock.
Features
1) Subminiature grid array package: 5.0 5.0 1.2mm3 (BD6889GU)
2) DMOS output allowing a range power supply: 2.0V to 8.0V (BD6757KN)
3) Low ON-Resistance Power MOS output:
Full-ON Drive block with 1.3Typ. and Linear Constant-Current Drive block with 0.9Typ. (BD6757KN, BD6889GU)
4) Built-in two digital NPN transistor circuits for photo-interrupter waveform shaping:
Input-dividing type with output pull-up resistance (BD6757KN)
5) Built-in four digital NPN transistor circuits for photo-interrupter waveform shaping:
Input-dividing type with output pull-up resistance (BD6889GU)
6) Built-in four digital PNP transistor circuits for photo-interrupter waveform shaping:
Input-dividing type with output pull-down resistance (BD6889GU)
7) Built-in voltage-regulator circuit for photo-interrupter (BD6889GU)
8) Built-in two-step output current setting switch for the Linear Constant-Current Drive block (BD6757KN)
9) 0.9V±2% high-precision reference voltage output
10) Constant-Current Drive block features phase compensation capacitor-free design
11) Built-in ±3% high-precision Linear Constant-Current Driver
12) Built-in charge pump circuit for the DMOS gate voltage drive(BD6757KN)
13) UVLO (Under Voltage Lockout Protection) function
14) Built-in TSD (Thermal Shut Down) circuit
15) Standby current consumption: 0μA (Typ.)
Absolute Maximum Ratings
Parameter
Symbol
Limit
BD6757KN
BD6889GU
Power supply voltage
VCC
-0.5 to +7.0
-0.5 to +7.0
Motor power supply voltage
VM -0.5 to +10.0
-0.5 to +7.0
Charge pump voltage
VG 15.0
None
Control input voltage
Power dissipation
VIN -0.5 to VCC+0.5 -0.5 to VCC+0.5
Pd 9501
9802
Operating temperature range
Topr -25 to +75
-25 to +85
Junction temperature
Tjmax
+150
+150
Storage temperature range
H-bridge output current
Tstg -55 to +150
-55 to +150
Iout
-800 to +8003
-800 to +8003
1 Reduced by 7.6mW/°C over 25°C, when mounted on a glass epoxy board (70mm 70mm 1.6mm).
2 Reduced by 7.84mW/°C over 25°C, when mounted on a glass epoxy board (70mm 70mm 1.6mm).
3 Must not exceed Pd, ASO, or Tjmax of 150°C.
Unit
V
V
V
V
mW
°C
°C
°C
mA/ch
Operating Conditions (Ta=-25 to +75°C(BD6757KN), -25 to +85°C(BD6889GU))
Parameter
Symbol
Limit
BD6757KN
BD6889GU
Power supply voltage
VCC
2.5 to 5.5
2.5 to 5.7
Motor power supply voltage
VM 2.5 to 8.0
2.5 to 5.7
Control input voltage
H-bridge output current
VIN 0 to VCC
0 to VCC
Iout
-500 to +5004
-500 to +5004
4 Must not exceed Pd or ASO.
Unit
V
V
V
mA/ch
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
1/15
2009.06 - Rev.A




BD6757KN pdf, 반도체, 판매, 대치품
BD6757KN, BD6889GU
Electrical Characteristic Diagrams
1250
BD6757KN
1000 940mW
750
570mW
500
250
0 75°C
0 25 50 75 100 125 150
Ambient temperature : Ta [°C]
Fig.1 Power Dissipation Reduction
BD6889GU
5.0
Top 85°C
Mid 25°C
4.0 Low -25°C
Op. range
3.0
(2.5V to 5.7V)
2.0
1.0
0.0
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0
Supply voltage : VCC [V]
Fig.4 Circuit current
5.0 BD6889GU
Top 85°C
Mid 25°C
4.0 Low -25°C
Op. range
3.0
(2.5V to 5.7V)
2.0
1.0
0.0
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0
Supply voltage : VM [V]
Fig.7 Output ON-Resistance
(Full-ON Drive block)
1250
1000 980mW
BD6889GU
750
510mW
500
250
0 85°C
0 25 50 75 100 125 150
Ambient temperature : Ta [°C]
Fig.2 Power Dissipation Reduction
BD6757KN
5.0
Top 75°C
Mid 25°C
4.0 Low -25°C
3.0
2.0
1.0
0.0
9.0 10.0 11.0 12.0 13.0 14.0 15.0
Supply voltage : VG [V]
Fig.5 Output ON-Resistance
(Full-ON Drive block)
5.0 BD6889GU
Top 85°C
Mid 25°C
4.0 Low -25°C
Op. range
3.0
(2.5V to 5.7V)
2.0
1.0
0.0
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0
Supply voltage : VM [V]
Fig.8 Output ON-Resistance
(Linear Constant-Current Drive block)
Technical Note
BD6757KN
5.0
Top 75°C
Mid 25°C
4.0 Low -25°C
Op. range
3.0 (2.5V to 5.5V)
2.0
1.0
0.0
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0
Supply voltage : VCC [V]
Fig.3 Circuit current
BD6757KN
5.0
Top 75°C
Mid 25°C
4.0 Low -25°C
3.0
2.0
1.0
0.0
9.0 10.0 11.0 12.0 13.0 14.0 15.0
Supply voltage : VG [V]
Fig.6 Output ON-Resistance
(Linear Constant-Current Drive block)
BD6757KN, BD6889GU
250
200
150
100
50
Top 85°C
Mid 25°C
Low -25°C
0
0 50 100 150 200 250
VLIM voltage : VLIM [mV]
Fig.9 Output limit voltage
(RNF=0.5)
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
4/15
2009.06 - Rev.A

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BD6757KN 전자부품, 판매, 대치품
BD6757KN, BD6889GU
Application Circuit Diagram
Technical Note
Bypass filter Capacitor for
power supply input. (p.14/16)
Power-saving (p.9/16)
H : Active
L : Standby
1100uF
VCC
9
OSC
Motor control input
(p.9/16)
PS 11
Power Save
IN1A 25
IN1B 26
IN2A 27
IN2B 28
Logic12
Motor control input
(p.9/16)
IN3A 29
IN3B 37
IN4A 38
IN4B 39
Logic34
Motor control input
(p.9/16)
Motor control input
(p.9/16)
IN5A 15
IN5B 14
IN6A 13
IN6B 12
IN7A 3
IN7B 1
Logic56
Logic7
0.1μF
CP1
31
CP2
32
Charge Pump
TSD & UVLO
VG
Level Shift
&
Pre Driver
VG
Level Shift
&
Pre Driver
VG
Level Shift
&
Pre Driver
VG
Level Shift
&
Pre Driver
0.1μF
0.1μF
CP3
33
CP4
34
VG
35
Charge Pump
BandGap
H bridge
Full ON
H bridge
Full ON
H bridge
Full ON
H bridge
Full ON
H bridge
Full ON
H bridge
Full ON
H bridge
Const. Current
VCC
Bypass filter Capacitor for
power supply input. (p.14/16)
1~100uF
10
VM1
16
OUT1A
17 OUT1B
M
18
OUT2A
19 OUT2B
Bypass filter Capacitor for
power supply input. (p.14/16)
1~100uF
30
VM2
22
OUT3A
21 OUT3B
M
24
OUT4A
23 OUT4B
20 PGND1
1~100uF
36
VM3
42
OUT5A
43 OUT5B
M
45
OUT6A
46 OUT6B
44 PGND2
1~100uF
2
VM4
47
OUT7A
49 OUT7B
RNF
48
50 0.1~5.0
SENSE
VCC
Bypass filter Capacitor for
power supply input. (p.14/16)
Bypass filter Capacitor for
power supply input. (p.14/16)
VREF
Selector
4
GND
58
VREF LIMSW
R1
67
40
VLIMH VLIML SI1
R2 R3
When using the VREF voltage (0.9V) resistance division
value as VLIMH and VLIML input value, select R1, R2, and R3
values such that,
1kR1+R2+R320k(p.9/16)
Output current selection
(p.9/16)
H : VLIML
L : VLIMH
52 41
SO1 SI2
51
SO2
The output current is converted to a voltage with
the RNF external resistor and transmitted to the
SENSE pin. (p.9/16)
Iout[A] = (VLIMH or VLIML[V])÷RNF[]
The sensor signal SI2, for lens position
detection, is reshaped and output to SO2.
p.10/16
The sensor signal SI1, for lens position
detection, is reshaped and output to SO1.
p.10/16
Fig.12 BD6757KN Application Circuit Diagram
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
7/15
2009.06 - Rev.A

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부품번호상세설명 및 기능제조사
BD6757KN

7ch System Lens Drivers

ROHM Semiconductor
ROHM Semiconductor

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