參數(shù)資料
型號： TDA5147CH
廠商： NXP SEMICONDUCTORS
元件分類： 運動控制電子
英文描述： 12 V Voice Coil Motor VCM driver and spindle motor drive combination chip
中文描述： DISK DRIVE MOTOR CONTROLLER, PQFP64
文件頁數(shù)： 24/32頁
文件大?。?/td> 196K
代理商： TDA5147CH
1997 Jul 09
24
Philips Semiconductors
Preliminary specification
12 V Voice Coil Motor (VCM) driver and
spindle motor drive combination chip
TDA5147CH
EQUATIONS
Gain from V
FLTINP
to V
FLTOUT
:
V
V
–
FLTINP
V
refout
–
(1)
Gain from V
FLTOUT
to V
ISENS1
(under closed loop V
CMINP
= V
refout
):
V
V
–
R1
R2
(2)
Gain of V
ISENS1
relative to
V
s
(voltage across R
s
):
V1
V
–
4R
R
(3)
(4)
Transconductance equation:
(5)
From equation (1):
From equation (2):
From equation (3) and (4):
-V
2
=
--------------------------------------------
ISENS1
V
V
refout
–
V
V
SENS1
refout
V
refout
–
----------------------------V
R2
R1
=
=
HAVE
----------------------------
ISENH
V
V1
---------------------------------
V
4R
V
R
------------------
=
=
SUB
1
------------------------
V
4R
V
-------------------------------------------
V
–
R
V
R
--------- or
V
-----------------------------------------
V
–
V
s
4
=
=
=
G
m
I
V
FLTINP
V
refout
–
--------------------------------------------
V
s
R
s
---------
V
FLTINP
V
refout
–
--------------------1
×
=
=
G
m
V
s
s
R
FLTOUT
V
refout
–
V
=
G
m
V
s
R
s
---------
2
R1
R2
×
×
V
SENS1
V
refout
–
(
)
=
G
m
R
s
1
1
4
×
2
R1
R2
×
×
1
2
R
s
1
×
R1
R2
×
=
=
相關PDF資料
PDF描述
TDA5147K 12 V Voice Coil Motor VCM driver and spindle motor drive combination chip
TDA5149 12 V Voice Coil Motor VCM driver and spindle motor pre-driver combination chip
TDA5149G 12 V Voice Coil Motor VCM driver and spindle motor pre-driver combination chip
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相關代理商/技術參數(shù)
參數(shù)描述
TDA5147K 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:12 V Voice Coil Motor VCM driver and spindle motor drive combination chip
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TDA5149G 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:12 V Voice Coil Motor VCM driver and spindle motor pre-driver combination chip
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