參數(shù)資料
型號(hào)： TDA5147K
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 drive combination chip
中文描述： VOICE COIL MOTOR CONTROLLER, PQCC52
文件頁(yè)數(shù)： 17/32頁(yè)
文件大?。?/td> 154K
代理商： TDA5147K
1996 Jul 26
17
Philips Semiconductors
Product specification
12 V Voice Coil Motor (VCM) driver and
spindle motor drive combination chip
TDA5147K
Notes
1.
2.
3.
Maximum current will be activated at 100% duty factor.
5% duty factor guarantees current output.
Zero duty factor guarantees zero current output.
PWM one-shot; pin 15 (SPWMTC)
I
sink
I
source
V
thST
V
thEND
t
off
output sink current
output source current
threshold voltage start level
threshold voltage end level
one-shot off time
V
o
= 3 V
V
o
= 1 V
voltage for discharging
voltage for charging
external network of R = 68 k
and C = 220 pF
external network of R = 68 k
and C = 220 pF
600
2.0
850
12
2.56
0.1
10
1100
3.0
0.2
μ
A
μ
A
V
V
μ
s
t
on(min)
one-shot minimum on time
1
μ
s
Current control loop and sense amplifier; pins 23 and 31 (SCOMP and SISENH)
V
i
current sense amplifier
common mode input voltage
current sense amplifier input
current
voltage ratio between
SPWMFLT and SISENH
output voltage at SENSH
(pin 31)
current sense amplifier
operational over range
0
3.0
V
I
SENSE
10
μ
A
V
ratio
over sense resistance = 0.1
to 1
for 100% duty factor;
R
s
= 0.33
; note 1
for 50% duty factor;
R
s
= 0.33
for 5% duty factor;
R
s
= 0.33
; note 2
for 0% duty factor;
R
s
= 0.33
; note 3
R
s
= 0.33
, L
motor
= 1 mH,
R
motor
= 12.0
4.9
5.0
5.1
V/V
V
31
0.317
0.335
0.353
V
0.174
V
0
0.018
0.026
V
0
0
1.0
mV
B
WD
current loop bandwidth for
SPWMFLT to motor current
1
kHz
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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