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TDF5140 데이터 시트보기 (PDF) - Philips Electronics
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TDF5140
Brushless DC motor drive circuit
Philips Electronics
TDF5140 Datasheet PDF : 19 Pages
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Philips Semiconductors
Brushless DC motor drive circuit
Product specification
TDF5140A
handbook, full pagewidth
+
14 V
BD434
680
Ω
39 k
Ω
10 k
Ω
47 nF
470
Ω
120
Ω
47 nF
1
µ
F
15
13
4
18
from
47 k
Ω
14
DAC
220 nF
11
START-UP
OSCILLATOR
18 nF
10
9
18 nF
ADAPTIVE
COMMUTATION
DELAY
TEST
10 nF
2
THERMAL
PROTECTION
12
FG to
micro-
processor
6
4.7
k
Ω
+
5 V
ROTATION
SPEED/
DETECTOR
OUTPUT
STAGE
TIMING
DIVIDE
BY 2
POSITION
DETECTOR
STAGE
8
VP
COMMUTATION
LOGIC
TP
D
TN
D
TN
TP
D
TN
D
TN
TP
D
TN
D
TN
1
3
16
SCANNER
MOTOR
POSITION
COIL
GND2
GND1
TDF5140A
7
5
17
EMF COMPARATORS
MBK986
Fig.5 Typical application of the TDF5140A as a scanner driver, with use of OTA.
1999 March 15
11
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