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Rohm Semiconductor Electronic Components Datasheet

BD6735FV Datasheet

Dual H-Bridge Driver

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Datasheet
H-Bridge Drivers for DC Brush Motors
Dual H-Bridge Driver
BD6735FV
General Description
The BD6735FV provides a dual H-bridge motor driver
which features wide range of motor power supply
voltage from 2.0V to 8.0V and low power consumption to
switch low ON-Resistance DMOS transistors. This small
surface mounting package is most suitable for mobile
system, home appliance and various applications.
Features
Low ON-Resistance Power DMOS Output
Charge Pump for the High-Side DMOS Gates
Drive Mode Switch Function
Under Voltage Locked Out Protection
& Thermal Shut Down Circuit
Applications
Mobile system
Home appliance
Amusement system, etc
Key Specifications
Power Supply Voltage Range:
2.0V to 8.0V
Motor Power Supply Voltage Range: 2.0V to 8.0V
Circuit Current:
2.0mA(Typ)
Stand-By Current:
1μA (Max)
Control Input Voltage Range:
0V to VCCV
Logic Input Frequency:
100kHz(Max)
Minimum Logic Input Pulse Width:
0.5μs(Min)
H-Bridge Output Current (DC):
-1.0A to +1.0A
Output ON-Resistance (Total):
1.0Ω(Typ)
Operating Temperature Range: -30°C to +75°C
Package
SSOP-B20
W(Typ) x D(Typ) x H(Max)
6.50mm x 6.40mm x 1.45mm
SSOP-B20
Typical Application Circuit
Power-Saving
H: Active
L: Stand-by
PS 20
Motor Control Input
IN1A 19
IN1B 18
IN2A 17
IN2B 16
PWMEN 15
Selectable Drive Mode
H : EN/IN
L : IN/IN
Bypass Filter Capacitor for
Power Supply
1µF to 100µF
VCC
1
Power Save
TSD & UVLO
BST
Logic
Level Shift
&
Pre Driver
Power Save
BandGap
H bridge
Full ON
H bridge
Full ON
OSC
Charge Pump
Charge Pump
Bypass Filter Capacitor for
Power Supply
1µF to 100µF
5
VM
6 OUT1
OUT2
7
M
4 OUT3
OUT4
3
2 MGND2
MGND1
8
10
GND
14 13
CPL1
CPL2
12 11
CPH1
CPH2
9
BST
0.1μF
0.1μF
1.0μF
Connecting capacitors between the CPL1 and CPL2, CPH1 and CPH2, and BST and GND
pins generate a BST voltage. Use caution to ensure that the voltage difference between
BST and VM is 3.0V or higher, and that the BST voltage does not exceed the absolute
maximum rating of 15V, especially set the BST voltage direct input.
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
1/12
TSZ02201-0H3H0B601300-1-2
09.Dec.2015 Rev.001


Rohm Semiconductor Electronic Components Datasheet

BD6735FV Datasheet

Dual H-Bridge Driver

No Preview Available !

BD6735FV
Pin Configuration
(TOP VIEW)
1 VCC
2 MGND2
3 OUT4
4 OUT3
5 VM
6 OUT1
7 OUT2
8 MGND1
9 BST
10 GND
PS 20
IN1A 19
IN1B 18
IN2A 17
IN2B 16
PWMEN 15
CPL1 14
CPL2 13
CPH1 12
CPH2 11
Pin Description
Pin No. Pin Name
Function
1 VCC Power supply
2 MGND2 Motor ground 2
3 OUT4 H-bridge output 4
4 OUT3 H-bridge output 3
5 VM Motor power supply
6 OUT1 H-bridge output 1
7 OUT2 H-bridge output 2
8 MGND1 Motor ground 1
9 BST Charge pump output with capacitor
10 GND Ground
Pin No. Pin Name
Function
11 CPH2 2nd Bucket stage with capacitor 2
12 CPH1 2nd Bucket stage with capacitor 1
13 CPL2 1st Bucket stage with capacitor 2
14 CPL1 1st Bucket stage with capacitor 1
15 PWMEN Drive mode logic input
16 IN2B Control logic input 2B
17 IN2A Control logic input 2A
18 IN1B Control logic input 1B
19 IN1A Control logic input 1A
20 PS Power-saving function
Block Diagram
PS 20
IN1A 19
IN1B 18
IN2A 17
IN2B 16
PWMEN 15
Power Save
Logic
Power Save
VCC
1
TSD & UVLO
BST
Level Shift
&
Pre Driver
BandGap
H bridge
Full ON
H bridge
Full ON
OSC
Charge Pump
Charge Pump
5 VM
6 OUT1
7 OUT2
4 OUT3
3 OUT4
2 MGND2
8 MGND1
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
10
GND
14
CPL1
13
CPL2
12
CPH1
11
CPH2
9
BST
2/12
TSZ02201-0H3H0B601300-1-2
09.Dec.2015 Rev.001


Part Number BD6735FV
Description Dual H-Bridge Driver
Maker ROHM
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BD6735FV Datasheet PDF






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