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BD6758MWV 데이터시트 PDF




ROHM Semiconductor에서 제조한 전자 부품 BD6758MWV은 전자 산업 및 응용 분야에서
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부품번호 BD6758MWV 기능
기능 5-Channel System Lens Driver
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BD6758MWV 데이터시트, 핀배열, 회로
Datasheet
Motor Drivers for Digital Still Cameras
5-Channel System Lens Driver
for Digital Still Cameras
BD6758MWV BD6758KN
General Description
The BD6758MWV and BD6758KN are motor drivers
that integrate 4 Full-ON type H-Bridges and 1 Linear
Constant-Current type H-Bridge. These devices are
intended to drive a stepping motor for auto focus
system, and to drive DC motors for zoom and iris.
Features
Low ON-Resistance Power CMOS Output
Drive Mode Switch Function
High-Precision(±3%) Linear Constant-Current Driver
Phase Compensation Capacitor-Free Design
for Linear Constant-Current Drive Block
High-Precision (1.2V±3%) Reference Voltage
Under Voltage Locked Out Protection
& Thermal Shut Down Circuit
Key Specifications
Power Supply Voltage Range:
2.5V to 5.5V
Motor Power Supply Voltage Range: 2.5V to 5.5V
Circuit Current(No Signal & No Load): 1.4mA(Typ)
Stand-By Current:
10μA(Max)
Control Input Voltage Range:
0V to VCCV
H-Bridge Output Current:
-0.5A/ch to +0.5A/ch
Output ON-Resistance(Channel 1 to 4): 1.2Ω(Typ)
Output ON-Resistance(Channel 5):
1.0Ω(Typ)
Operating Temperature Range: -25°C to +85°C
Package
W(Typ) x D(Typ) x H(Max)
Applications
Mobile system
Home appliance
Amusement system, etc
UQFN036V5050
5.00mm x 5.00mm x 1.00mm
VQFN36
6.20mm x 6.20mm x 0.95mm
Product structureSilicon monolithic integrated circuit
.www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product has no designed protection against radioactive rays
1/16
TSZ02201-0H3H0B601360-1-2
09.Dec.2015 Rev.001




BD6758MWV pdf, 반도체, 판매, 대치품
BD6758MWV BD6758KN
Block Diagram
PS 35
Power Save
VCC
4
TSD & UVLO
IN1A 36
IN1B 1
IN2A 2
IN2B 3
SEL1 28
IN3A 6
IN3B 7
IN4A 8
IN4B 9
SEL2 18
BRK1 10
BRK2 11
EN1 27
IN5 26
Logic12
L
o
g
i
c
1
2
Level Shift
&
Pre Driver
Logic34
Level Shift
&
Pre Driver
Logic5
Level Shift
&
Pre Driver
VREF
20
VREF
19
VLIM
BandGap
H-bridge
Full ON
H-bridge
Full ON
H-bridge
Full ON
H-bridge
Full ON
H-bridge
Const. Current
5
GND
31 VM1
29 OUT1A
30 OUT1B
33 OUT2A
34 OUT2B
32 PGND1
14 VM2
12 OUT3A
13 OUT3B
16 OUT4A
17 OUT4B
15 PGND2
24 VM3
21 OUT5A
25 OUT5B
23 RNF
22 SENSE
Description of Blocks
1. Power-Saving Function
A power-saving function is included, which allows the system to save power when not driving the motor. The voltage
level on this pin should be set high so as to keep the operation mode. (See the Electrical Characteristics; p.6/16)
2. Motor Control Input
(a) IN1A to IN5B, EN1, and IN5 Pins
Logic level controls the output logic of H-Bridge.
(See the Electrical Characteristics; p.6/16, and I/O Truth Table; p.8/16)
(b) SEL1 & SEL2 Pins
Logic level sets the IN/IN or EN/IN drive mode.
(See the Electrical Characteristics; p.6/16 and I/O Truth Table; p.8/16)
(c) BRK1 & BRK2 Pins
In case of EN/IN mode, logic high puts the device in short brake mode.
(See the Electrical Characteristics; p.6/16, and I/O Truth Table; p.8/16)
3. H-Bridge
Each H-bridge can be controlled independently. It is therefore possible to drive the H-bridges simultaneously, as long
as the package thermal tolerances are not exceeded. Because the respective output transistors consist of power
CMOS which consumes a motor power supply VM, the ON-Resistance value of high and low-side total is dependent
on VM voltage. Further, the whole application must be designed so that the maximum current of each channel may
be 500mA or below. (See the Recommended Operating Conditions; p.6/16)
.www.rohm.co.jp
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
4/16
TSZ02201-0H3H0B601360-1-2
09.Dec.2015 Rev.001

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BD6758MWV 전자부품, 판매, 대치품
BD6758MWV BD6758KN
Typical Performance Curves (Reference Data)
5.0
Top 85°C
Mid 25°C
Low -25°C
4.0
Operating range
(2.5V to 5.5V)
3.0
2.0
1.0
0.0
0.0
1.0 2.0 3.0 4.0 5.0 6.0
Power Supply Voltage : VCC [V]
7.0
Figure 1.
Circuit Current vs Supply Voltage
5.0
Top 85°C
Mid 25°C
Low -25°C
4.0
Operating range
(2.5V to 5.5V)
3.0
2.0
1.0
0.0
0.0
1.0 2.0 3.0 4.0 5.0 6.0
Motor Power Supply Voltage : VM [V]
7.0
Figure 2.
Output ON-Resistance vs Motor Power Supply Voltage
(Channel 1 to Channel 4, VCC=3V)
5.0
Top 85°C
Mid 25°C
Low -25°C
4.0
Operating range
(2.5V to 5.5V)
3.0
2.0
1.0
0.0
0.0
1.0 2.0 3.0 4.0 5.0 6.0
Motor Power Supply Voltage : VM [V]
7.0
Figure 3.
Output ON-Resistance vs Motor Power Supply Voltage
(Channel 5, VCC=3V)
250
Top 85°C
Mid 25°C
Low -25°C
200
150
100
50
0
0 50 100 150 200 250
VLIM Voltage : VM [V]
Figure 4.
RNF Voltage vs VLIM Voltage
(Output Limit Voltage, RRNF=0.5Ω)
.www.rohm.co.jp
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
7/16
TSZ02201-0H3H0B601360-1-2
09.Dec.2015 Rev.001

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관련 데이터시트

부품번호상세설명 및 기능제조사
BD6758MWV

5-Channel System Lens Driver

ROHM Semiconductor
ROHM Semiconductor

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