파트넘버.co.kr BD6757KN 데이터시트 PDF


BD6757KN 반도체 회로 부품 판매점

7ch System Lens Drivers



ROHM Semiconductor 로고
ROHM Semiconductor
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 데이터시트, 핀배열, 회로
BD6757KN, BD6889GU
Technical Note
Electrical Characteristics
1) BD6757KN Electrical Characteristics (Unless otherwise specified, Ta=25°C, VCC=3.0V, VM=5.0V)
Parameter
Symbol
Min.
Limit
Typ.
Max.
Unit
Conditions
Overall
Circuit current
during standby operation
ICCST
-
0 10 μA PS=0V
Circuit current
ICC - 1.0 3.0 mA PS=VCC with no signal
Control input (IN=PS, IN1A to IN7B, and LIMSW)
High level input voltage
VINH
2.0
-
-V
Low level input voltage
VINL
-
- 0.7 V
High level input current
IINH
15
30
60 μA VINH=3V
Low level input current
IINL -1
0
- μA VINL=0V
Pull-down resistor
RIN 50 100 200 k
Charge pump
Charge pump voltage
VCP
10
11
-V
UVLO
UVLO voltage
VUVLO 1.6 - 2.4 V
Full-ON Drive block (ch1 to ch6)
Output ON-Resistance
RON
-
1.3
1.6
Io=±400mA on high and low sides
in total
Pulse input response
tp 100
-
- ns With an input pulse with of 200ns
Linear Constant-Current Drive block (ch7)
Output ON-Resistance
RON
-
0.9 1.1
VREF output voltage
VREF 0.88 0.90 0.92
Output limit current 1
IOL1
388
400
412
Output limit current 2
IOL2
285
300
315
Output limit current 3
IOL3
190
200
210
Digital NPN transistor block for photo-interrupter waveform shaping
Io=±400mA on high and low sides
in total
V Iout=0~1mA
mA
RNF=0.5with a load of 10
VLIMH(L)=0.2V, LIMSW=0V(3V)
mA
RNF=0.5with a load of 10
VLIMH(L)=0.15V, LIMSW=0V(3V)5
mA
RNF=0.5with a load of 10
VLIMH(L)=0.1V, LIMSW=0V(3V)5
Input current
ISIH -
- 0.1 mA SIx=3V
Low level output voltage
VSOL
-
0.1
Input dividing resistance
RSIL
70
100
Output pull-up resistance RSOH
5
Input dividing resistance
comparison
-
0.8
5 Design target value (Not all shipped devices are fully tested.)
10
1.0
0.25
130
20
1.2
V SIx=3V, ISO=0.5mA
k
k
-
Division resistance comparison
between SIx and GND5
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
2/15
2009.06 - Rev.A




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BD6757KN driver

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7ch System Lens Drivers - ROHM Semiconductor