4-8
2. IC701 (TPIC2050)
: 9ch motor drive with 3 beam laser diode driver
2-1. Block Diagram
ENDDET
F/B
SSZ
W
V
U
MCOM
AGND/DGND
P1
2
V
̲1
P1
2
V
̲
3
CP
1
CP
2
CP
3
TRK+
TRK-
FCS+
TLT-
TLT+
SOMI
SLED1+
SIMO
XFG
SCLK
LOAD+
P5
V
̲
1
AGND
RDY
STP1-
STP2+
STP2-
CV3P3V
SIOV
XRSTIN
GPOUT
0.1u
P12V
9.5V
XFG
SSZ
VLDDIN
SCLK
SIMO
SOMI
3.3V
RESETIN
RDY
GPOUT
0.1u
C10V
0.1u
F/B
SPM Logic
DAC PWM
SP
I
I/
F
0.1u
P12V
P5
V
̲
2
P1
2
V
̲2
SLED1-
SLED2+
SLED2-
FCS-
LOAD-
PGND̲1-2
STP1+
BEMF
detector
SPM
Current limit
ICOM2
ICOM1
ISENSE
0.1
.
Charge
pump
Digital core
pre-
driver
power
FET
SLED END
detection
STEP END
detection
DAC
PWM
DAC
PWM
DAC
PWM
DAC
PWM
DAC
PWM
DAC
PWM
DAC
PWM
P5V
P5V
P12V
int 3.3V
Regulator
A5V
P5V
int 10V
Regulator
Analog
5V
DAC
P12V
SLD̲ENA
TLT̲ENA
DIFF̲TLT
TEMPMON_ENA
TRK̲ENA
STP̲ENA
SPM̲ENA
power
monitor
SIOV
200
k
20
0k
SIOV
33
k
19V
LOAD̲ENA
F/B
F/B
F/B
F/B
F/B
SLD̲ENA
TPIC2050
On chip
thermometer
pre-
driver
power
FET
pre-
driver
power
FET
pre-
driver
power
FET
pre-
driver
power
FET
pre-
driver
power
FET
pre-
driver
power
FET
pre-
driver
power
FET
pre-
driver
power
FET
TRAY Lock
detection
XSLEEP
1k
P12V
P5V
P5V12L
CA5V
0.1u
10u
A9P5V
ILDD̲BD
ILDD̲DVD
ILDD̲CD
V/I
V/I
V/I
LD
select
VLDDIN
ENDDET
ENDDET̲ENA
ENDDET̲SEL[1:0]
ENDDET
ENDDET
20
0k
SIOV
SIOV
SOMI_HIZ
SIOV
GPOUT_ENA
XSLEEP
LDD_MSEL
LDD_AMODE
Содержание LHB645
Страница 15: ...1 14 ...
Страница 67: ...2 52 WAVEFORMS 1 SYSTEM PART 1 MPEG CRYSTAL 27 MHz IC501 MT8563 X TAL 27 MHz 1 1 ...
Страница 69: ...2 54 3 AUDIO PART 1 ADC I2C IC202 SCL IC202 SDA 7 6 6 7 ...
Страница 70: ...2 55 4 AUDIO PART 2 PWM I2S I2C 9 8 10 M_LRCK 8 M_BCK M_DATA0 10 9 M_DATA0 M_BCK ...
Страница 71: ...2 56 5 HDMI PART H_SDA H_SCL 11 12 12 11 ...
Страница 89: ...2 92 2 91 2 MAIN AMP P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 91: ...2 96 2 95 4 FRONT P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 93: ...3 2 ...
Страница 97: ...4 SPEAKER SECTION 4 1 CENTER SPEAKER A700 ...
Страница 98: ...4 2 FRONT SPEAKER A800 850 850 A800T A800B A800M ...
Страница 99: ...4 3 REAR SPEAKER A600 ...
Страница 100: ...4 4 PASSIVE SUBWOOFER A900 ...
Страница 101: ...3 12 ...
Страница 113: ...4 12 ...