參數(shù)資料
型號(hào)： HA13561
廠商： Hitachi,Ltd.
英文描述： Combo (Spindle & VCM) Driver
中文描述： 組合（主軸
文件頁(yè)數(shù)： 15/26頁(yè)
文件大小： 114K
代理商： HA13561
HA13561F
15
for Vps
R104
Vsd2 = 1 + R103
[V]
(12)
R104
Vhys2 = 1 + R103
[V]
(13)
where, Vth3, Vth4: Threshold voltage on pin 37 and pin 76 [V] (= 1.39)
Vhyspm:
Hysteresis voltage on pin 37 and pin 76 [mV] (= 40)
Shut down voltage Vsd1, Vsd2 can be designed by the following range.
Vsd1
≥
4.25 [V], Vsd2
≥
10 [V]
8. The delay time t
DLY
of POR for power on reset is determined as follows.
C106 Vth5
I
CH3
t
DLY
=
[s]
(14)
where, Vth4: Threshold voltage on pin 38 [V] (= 1.4)
I
CH3
:
Charge current on pin 38 [
μ
A] (= 10)
9. The differential voltage (Vctl – V
REF1
) using for control of VCM driver depend on PWMDAC inputs
LSB, MSB as follows.
D
PWM
– 50
100
R5
Vctl – V
REF1
= 2 V
REF1
R6
H
FLT
(s)
(15)
where, D
PWM
:
Duty cycle on PWMIN [%]
Transfer function from pin 62 (PWMOUT) to pin 64 (Vctl) as shown in equation
H
FLT(S)
:
(17)
To be satisfied with above equation (15), it is notice that the ratio of R6 to R7 must be choosen as
shown below.
R8
R7= 2 R5
R6
R5
1
1 –
(16)
=
1
R6
R5
1 + s C5 R// – C3 (R// + R3)
+ C4 (R// + R3 + R4)
R6
R5
+ s
2
C5 C4 R// (R3 + R4) – C5 C3 R// R3
+ C3 C4 R4 (R// + R3)
+ s
3
C3 C4 C5 R// R3 R4
H
FLT
(s)
(17)
where,
R// = R7 R8
R7 R8
(18)
If you choose the R// << R3, then equation (17) can be simplified as following equation.
1
s
ω
n
ω
O
ω
n
H
FLT
(s) =
1
1 +2
ζ
s
1 +
+
s
2
(19)
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相關(guān)代理商/技術(shù)參數(shù)
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HA13561F 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Combo (Spindle & VCM) Driver
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
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