BD6701F_12 Datasheet, PDF (1/17 Pages) Rohm – Two-phase Full-wave DC Brushless Fan Motor Drivers

Datasheet
DC Brushless Motor Drivers for Cooling Fans
Two-phase Full-wave

DC Brushless Fan Motor Drivers
BD6701F
˔General description
BD6701F is two-phase half-wave fan motor 1 chip driver
that composes 2 Nch power DMOS FET.
This driver incorporates lock protection, automatic restart
circuit and FG/AL output.
˔Package
SOP-8
W (Typ.) x D (Typ.) x H (Max.)
5.00mm x 6.20mm x 1.71mm
˔Features
„ Power Tr incorporated
„ Incorporates reverse connection protection diode
„ Incorporates lock protection and automatic restart
circuit
„ Rotation speed pulse signal (FG) output
„ Lock alarm signal (AL) output
SOP8
˔Application
„ For desktop PC, server, general consumer equipment, communication equipment and industrial equipment.
˔Absolute maximum ratings
Parameter
Symbol
Limit
Unit
Supply voltage
Power dissipation
Vcc
36
V
Pd
780 ^*1
mW
Operating temperature range
Topr
-40ʙ+100
ˆ
Storage temperature range
Output current
Tstg
-55ʙ+150
ˆ
Iomax
800 ^*2
mA
AL signal output current
IAL
10
mA
AL signal output voltage
VAL
36
V
FG signal output current
IFG
10
mA
FG signal output voltage
VFG
36
V
Junction temperature
Tjmax
150
ˆ
*1 Reduce by 6.24mW/°C over Ta=25°C. (On 70.0mm×70.0mm×1.6mm glass epoxy board)
*2 This value is not to exceed Pd.
˔
Recommended operating conditions
Parameter
Operating supply voltage range
Hall input voltage range
Symbol
Limit
Unit
Vcc
6.0ʙ28.0
V
VH
0ʙVcc-3.0
V
˓Product structureɿSilicon monolithic integrated circuit
˓This product is not designed protection against radioactive rays
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TSZ02201-0H1H0B100510-1-2
18.DEC.2012 Rev.002