參數(shù)資料
型號(hào)： TDA5149G
廠商： NXP SEMICONDUCTORS
元件分類： 運(yùn)動(dòng)控制電子
英文描述： 12 V Voice Coil Motor VCM driver and spindle motor pre-driver combination chip
中文描述： DISK DRIVE MOTOR CONTROLLER, 2.5 A, PQFP64
封裝： 10 X 10 X 1.40 MM, PLASTIC, LQFP-64
文件頁數(shù)： 22/28頁
文件大小： 148K
代理商： TDA5149G
1996 May 06
22
Philips Semiconductors
Product specification
12 V Voice Coil Motor (VCM) driver and
spindle motor pre-driver combination chip
TDA5149G
Notes
1.
2.
3.
4.
5.
Corresponds to an averaged variation of 7 mV/
°
C.
Including the V
CMSENSE
amplifier input current.
Extended voltages are allowed if series resistors are used (see Fig.1).
The gain between the pre-driver output current and the IDRIVE current is typically; lower source = 35,
upper source = 50, lower sink = 75 and upper sink = 80.
Typical value for external FET such as PHN210.
6.
7.
I
8.
I
9.
10. t
BRAKEDELAY
≈
2RC.
11. t
PORDELAY
≈
C
PORDELAY
, with C
PORDELAY
in
μ
F.
12. Master clock (pin 58) must be running (1 cycle = T
ec
)
t
IC
= T
ec
x (prescaler ratio).
Valid if the STOSC capacitance is in the nominal range of 150 to 700 pF.
Serial port
SENABLE:
PIN
61
t
su
set-up time
with respect to the rising
edge
46
ns
t
h
t
pm
hold time
time between 2 serial port
commands
19
2t
IC
ns
μ
s
t
IC
= internal clock
cycle; note 12
SDATA:
PIN
59
t
su
set-up time
with respect to the rising
edge
22
ns
t
h
SCLOCK:
PIN
60
hold time
20
ns
f
SCL
δ
clock frequency
duty factor
30
50
10
70
MHz
%
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
I
ref
V
Iref
( )
---R
=
I
SPREF
V
R
IDRIVE
--------------------
=
I
source
2
V
R
Iref
-----------------
×
=
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