1/3 Structure Product series Type Characteristic Silicon Monolithic Integrated Circuit 7ch Power Driver for CD,DVD±RW,...
1/3 Structure Product series Type Characteristic Silicon Monolithic Integrated Circuit 7ch Power Driver for CD,DVD±RW,DVD-RAM
BD7776ARFS
・ 3-phase-sensor-less system, therefore don’t need three hall sensors. ・ Output current detection resister is not necessary with internally equipped detection circuit.
○ Absolute maximum ratings Parameter
POWER MOS Power supply
voltage Preblock/BTL powerblock Power supply
voltage PWM control block Power supply
voltage Power dissipation Operating temperature range Storage temperature Junction temperature
Symbol
SPVM,SLVM Vcc, AVM,LDVM DVcc Pd Topr Tstg Tjmax
Limits
15
#1
Unit
V V V
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15 7 1.5
#2
W ℃ ℃ ℃
-20~ 70 -55~ 150 150
#1 POWER MOS output terminals (29~32, 35~37pin) is contained. #2 PCB (70mm×70mm×1.6mm,occupied copper foil is less than 3%,glass epoxy standard board) mounting. Reduce power by 12mW for each degree above 25℃.
○ Recommended operating conditions (Ta=-20~ +70℃ )
(Set the power supply
voltage taking allowable dissipation into considering)
Parameter
Spindle driver powerblock power supply
voltage Sled motor driver powerblock power supply
voltage Preblock power supply
voltage Loading driver power block power supply
voltage Actuator driver powerblock power supply
voltage PWM control block power supply
voltage Spindle driver output current Actuator/sled motor/loading motor driver output current
Symbol
SPVM SLVM Vcc LDVM AVM DVcc Iosp Ioo
MIN
- - 10.8 4.3 4.3 4.3 - -
TYP
Vcc#3 Vcc#3 12 5.0 5.0 5.0 ...