參數(shù)資料
型號： HA13561F
廠商： Hitachi,Ltd.
英文描述： Combo (Spindle & VCM) Driver
中文描述： 組合（主軸
文件頁數(shù)： 16/26頁
文件大?。?/td> 114K
代理商： HA13561F
HA13561F
16
where,
ω
O
=
1
C5 R//
(20)
ω
n =
1
C3 C4 R3 R4
(21)
ζ
= C4 (R3 + R4) – C3 R3
2 C3 C4 R3 R4
R6
R5
(22)
10.The relationship between the output current Ivcm and the input voltage (Vctl – V
REF1
) on VCM driver
is as follows.
Ivcm(s) = Vctl – V
REF1
Kvcm 1
Rs
Hvcm(s)
(23)
where, Vctl:
Input control voltage for VCM driver on pin 64 [V]
Reference voltage on pin 61 [V] (= 4.6)
DC gain of VCM driver
(= 1.82 for High gain mode)
(= 0.45 for Low gain mode)
Hvcm(s): Transfer function of VCM driver as shown following equation
1
s
ω
VCM
V
REF1
:
Kvcm:
Hvcm(s) =
1 + 2
ζ
VCM
s
ω
VCM
+
2
(24)
where,
ω
VCM
=
ω
P
Rs
Lm
(25)
1
2
ζ
VCM
=
1 +
R
L
Rs
1
ω
P
Rs
Lm
(26)
where,
ω
p: Bandwidth of internal power amplifiers for VCM driver [rad/s]
(= 3
π
10
6
)
Lm: Inductance of the VCM coil [H]
R
L
:
Resistance of the VCM coil [
]
and from above equations the -3 dB bandwidth f
VCMC
of VCM driver is as following equation.
ω
VCM
2
π
f
VCMC
=
1 – 2
ζ
VCM
2
+
2
ζ
VCM
2
– 1
2
+ 1
(27)
相關PDF資料
PDF描述
HA13563 Three-Phase Brushless Motor Driver
HA13563V Three-Phase Brushless Motor Driver
HA13565F Three-Phase Brushless DC Motor Driver IC
HA13568AT CD-ROM Combo Driver(CD-ROM COMBO 驅動器)
HA13568R CD-ROM Combo Driver(CD-ROM COMBO 驅動器)
相關代理商/技術參數(shù)
參數(shù)描述
HA13563 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Three-Phase Brushless Motor Driver
HA13563V 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Three-Phase Brushless Motor Driver
HA13565F 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Three-Phase Brushless DC Motor Driver IC
HA13566AF 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Combo (Spindle & VCM) Driver
HA13568AT 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CD-ROM Combo Driver
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