HBD-N590/N790W/N890W/N990W/N995W/T79
64
IC1201 TPIC2050RDFDRG4
1
SLED1_P
2
SLED1_N
POWER
FET
D/A
CONVERTER
PWM
SLD_ENA
SLD_ENA
TEMPMON_ENA
CHARGE
PUMP
DIGITAL
CORE
SPI
INTERFACE
SIOV
XSLEEP
19V
PRE-
DRIVER
FEED
BACK
SLED END
DETECTION
INTERNAL
+10V
REGULATOR
CP1 8
P12V_3 3
PGND_2 6
CP2
ENDDET_ENA
ENDDET_SEL [1:0]
10V
9
CP3 10
SSZ 14
SCLK 15
SIMO 16
SIOV 18
XRSTIN 19
TEST1 20
C10V 7
GPOUT_ENA
4
SLED2_P
5
SLED2_N
11
GPOUT
POWER
FET
P12V
CV3P3 22
A9P5V 24
AGND/DGND 23
LDD_AMODE
ILDD_BD 25
D/A
CONVERTER
PWM
SPM LOGIC
D/A
CONVERTER
PWM
PRE-
DRIVER
END
DETECT
FEED
BACK
30 LOAD_N
29 LOAD_P
33 TEST3
34 P5V_1
32 TEST2
POWER
FET
D/A
CONVERTER
PWM
TRK_ENA
LOAD_ENA
PRE-
DRIVER
FEED
BACK
TRAY LOCK
DETECTION
P5V12L
31
D/A
CONVERTER
PWM
TLT_ENA
D/A
CONVERTER
PWM
ON CHIP
THERMOMETER
STP_ENA
DIFF_TLT
53 STP1_N
52 STP1_P
POWER
FET
PRE-
DRIVER
55 STP2_N
54 STP2_P
D/A
CONVERTER
PWM
STP_ENA
POWER
FET
PRE-
DRIVER
38 TRK_N
37 TRK_P
40 FCS_N
41 PGND_1
39 FCS_P
36 TLT_P
35 TLT_N
44 ICOM1
43 U
42 P12V_1
47 W
46 P12V_2
45 V
48 ICOM2
49 M COM
POWER
FET
PRE-
DRIVER
FEED
BACK
POWER
FET
PRE-
DRIVER
FEED
BACK
D/A
CONVERTER
PWM
POWER
FET
PRE-
DRIVER
POWER
FET
BEMF
DETECTOR
PRE-
DRIVER
FEED
BACK
SIOV
XSLEEP
12
XFG
50 ISENSE
51 AGND
SPM
CURRENT
LIMIT
13
RDY
SPM_ENA
SIOV
SOMI_HIZ
17
SOMI
LDD_MSEL
SIOV
SIOV P5V
P12V
POWER
MONITOR
INTERNAL
+3.3V
REGULATOR
CA5V 28
P5V
ANALOG
+5V
SIOV
SIOV
VLDDIN 21
LD
SELECT
V/I
ILDD_DVD 26
V/I
ILDD_CD 27
V/I
STEP END
DETECTION
56 P5V_2
D/A
CONVERTER