參數(shù)資料
型號(hào)： HA13631T
廠商： Hitachi,Ltd.
英文描述： CD-ROM Combo Driver
中文描述： 光盤(pán)驅(qū)動(dòng)器組合
文件頁(yè)數(shù)： 4/20頁(yè)
文件大?。?/td> 86K
代理商： HA13631T
HA13631T
4
Pin Description
(cont)
Pin No.
Pin Name
Function
34
HW+
W-phase Hall +input, and W-phase B-EMF connection pin for sensorless
35
HW–
W-phase Hall –input, and center tap connection pin for sensorless
36
VCTL
SPN driver control input
37
REFIN
Reference voltage for control inputs. Common to all drivers.
38
RT
Reference voltage. The IC’s internal reference current is determined by this
voltage and the external resistor Rt.
39
CT1
Time constant for clock oscillation. The oscillator frequency is determined by the
external capacitor and resistor Ct1 and Rt.
40
CT2
Time constant for PWM carrier. The amplitude is determined by the value of the
external capacitor Ct1.
41
PWMDC
Phase compensation connection pin for matching PWM carrier DC level with
REFIN
42
SGND
SPN small signal GND
43
VSS
Control block power supply. 5 V
44
OP2IN
Inverted input of OP amp. 2 for TRK driver control
45
TRKIN
TRK driver control input
46
TRKN
TRK driver N output
47
TRKP
TRK driver P output
48
FCSGND
FCS and TRK driver GND
49
VFCS
FCS driver power supply
50
FCSP
FCS driver P output
51
FCSN
FCS driver N output
52
FCSN
FCS driver control input
53
OP1IN
Inverted input of OP amp. 1 for FCS driver control
54
NC
No connection
55
NC
No connection
56
ASGND
Actuator small signal GND
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