BA6406F_12 Datasheet, PDF (1/16 Pages) Rohm – Two-Phase Half-Wave Pre Driver Fan Motor Driver

Datasheet
DC Brushless Motor Drivers for Cooling Fans
Two-Phase Half-Wave Pre Driver
Fan Motor Driver
BA6406F
˔General description
BA6406F is two-phase half-wave fan motor pre-driver.
This driver incorporates lock protection, automatic restart
circuit and Lock alarm signal output.
˔Features
„ Incorporates lock protection
„ Automatic restart circuit
„ Lock alarm signal (AL) output
˔Package
SOP8
W (Typ.) x D (Typ.) x H (Max.)
5.00mm x 6.20mm x 1.71mm
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
30
V
Pd
624 ^*1
mW
Operating temperature
Topr
–40 to +100
°C
Storage temperature
Tstg
–55 to +125
°C
Output current
Iomax
70
mA
AL signal output current
IAL
8
mA
AL signal output voltage
VAL
30
V
Junction temperature
Tjmax
125
°C
*1 Reduce by 6.24mW/°C over Ta=25°C. (On 70.0mm×70.0mm×1.6mm glass epoxy board)
˔Recommended operating conditions
Parameter
Operating supply voltage range
Hall input voltage range
Symbol
Vcc
VH
Limit
Unit
4.0 to 28.0
V
1.0 to Vcc-0.5
V
˓Product structureɿSilicon monolithic integrated circuit
˓This product is not designed protection against radioactive rays
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TSZ02201-0H1H0B100480-1-2
18.DEC.2012 Rev.002