BD65492MUV Datasheet, PDF (1/18 Pages) Rohm – Dual H-Bridge Driver High-Speed Switching Type

Datasheet
H-Bridge Drivers for DC Brush Motors
Dual H-Bridge Driver
High-Speed Switching Type
BD65492MUV
General Description
The BD65492MUV provides a dual H-bridge motor
driver which features wide range of motor power supply
voltage from 1.8V to 16.0V and low power consumption
to switch low ON-Resistance DMOS transistors at high
speed. 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-Less with PDMOS High-Side Driver
 Drive Mode Switch Function
 Control Input Voltage Range Fit 1.8V Controller
 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: 1.8V to 16.0V
 Circuit Current (Open Mode):
0.90mA(Typ)
 Stand-By Current:
1μA (Max)
 Control Input Voltage Range:
0V to VCCV
 Logic Input Frequency:
500kHz(Max)
 Minimum Logic Input Pulse Width:
0.5μs(Min)
 Turn On Time:
200ns(Typ)
 Turn Off Time:
80ns(Typ)
 H-Bridge Output Current (DC):
-1.0A to +1.0A
 Output ON-Resistance (Total):
0.90Ω(Typ)
 Operating Temperature Range: -30°C to +85°C
Package
VQFN024V4040
W(Typ) x D(Typ) x H(Max)
4.00mm x 4.00mm x 1.00mm
Applications
 Mobile system
 Home appliance
 Amusement system, etc
VQFN024V4040
Typical Application Circuit
Bypass Filter Capacitor for
Power Supply
Power-Saving
H: Active
L: Stand-by
PS 11
Motor Control Input
Selectable Drive Mode
H: EN/IN
L: IN/IN
Motor Control Input
IN1A 17
IN1B 18
PWM 19
IN2A 14
IN2B 12
Always keep N.C. pins open.
1µF to 100µF
VCC
15
Power Save
TSD & UVLO
BandGap
Logic
Level Shift
&
Pre Driver
H-Bridge
Full ON
VM
21 22
OUT1A
23 24
23
OUT1B
Bypass Filter Capacitor for
Power Supply
1µF to 100µF
Logic
Level Shift
&
Pre Driver
H-Bridge
Full ON
VM
9 10
OUT2A
78
45
OUT2B
PGND
16
13
N.C.
20
N.C.
Keep Open
16
GND
It's better for VM pin groups of 9,10 and 21,22 to short-circuit on the
PCB pattern. If cannot, check into transitional characteristics of total
application circuit including two motors. Through low impedance
materials, the possibility of causing some unexpected malfunctions
is incontrovertible.
○Product structure：Silicon monolithic integrated circuit
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
○This product has no designed protection against radioactive rays
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TSZ02201-0H3H0B300440-1-2
09.Dec.2015 Rev.002