LV8223T Datasheet, PDF (9/14 Pages) Sanyo Semicon Device – Motor driver system in CD and MD players

Block Diagram
LV8223T
IN1F
VS1
+
OUT1F OUT1R _VS1
VS2
+
OUT2F OUT2R
VS3
+
OUT3F OUT3R
VS3 MUTE2
S1
S2
S3
From
DSP
To DSP
VS4
+
Logic
Pre drive
MUTE
SUCO
SVCO
SWCO
MUTE3
IN4
MUTE
Logic
VS4
OUT4
PGND4
Pre
drive
Logic
Pre drive
Waveform
distributor
LV8223T
Logic
Pre drive
Logic
Waveform
synthesizer
Pre drive
VCO
SLVS
SUO
SVO
SWO
SLGND
SCOM
RMAX
RMIN
VCO
From DSP
CLK
VCC
+
VCC
OSC
SEL
CP1
CPC1
CP2
Charge
pump
CPC2
GND
VG
FG S/S
Commutation logic
1/N
Phase
VCOIN
comparator
FIL
COMIN
Pre drive
Waveform ^COM
synthesizer
SPVS
PWM
UOUT
VOUT
WOUT
SPGND
+
SPVS
+
PWMIN
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