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HEF4752V डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - A.C. motor control circuit - NXP

भाग संख्या HEF4752V
समारोह A.C. motor control circuit
मैन्युफैक्चरर्स NXP 
लोगो NXP लोगो 
पूर्व दर्शन
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HEF4752V pdf
Philips Semiconductors
A.C. motor control circuit
Product specification
HEF4752V
LSI
DESCRIPTION
The HEF4752V is a circuit for a.c. motor speed control
utilizing LOCMOS technology. The circuit synthesizes
three 120° out of phase signals, of which the average
voltage varies sinusoidally with time in the frequency
range 0 to 200 Hz. The method employed is based upon
the pulse width modulation principle, in order to achieve a
sufficient accuracy of the output voltages over the whole
frequency range. A pure digital waveform generation is
used.
All outputs are of the push-pull type. Inputs and outputs are
protected against electrostatic effects in a wide variety of
device-handling situations. However, to be totally safe, it is
desirable to take handling precautions into account.
PINNING
Inputs; group I
24 = L
25 = I
7=K
5 = CW
13 = A
15 = B
16 = C
Inputs; group II
12 = FCT
17 = VCT
4 = RCT
6 = OCT
data
data
data
data
data
data
data
frequency clock
voltage clock
reference clock
output delay
clock
Outputs; group I
23 = RSYN
26 = VAV
18 = CSP
R-phase synchronization
average voltage
current sampling pulses
Outputs; group II
8 = ORM1
9 = ORM2
10 = ORC1
11 = ORC2
22 = OYM1
21 = OYM2
20 = OYC1
19 = OYC2
3 = OBM1
2 = OBM2
1 = OBC1
27 = OBC2
R-phase main
R-phase main
R-phase commutation
R-phase commutation
Y-phase main
Y-phase main
Y-phase commutation
Y-phase commutation
B-phase main
B-phase main
B-phase commutation
B-phase commutation
Fig.1 Pinning diagram.
SUPPLY VOLTAGE
RATING
RECOMMENDED
OPERATING
HEF4752V 0,5 to 18 4,5 to 12,5 V
January 1995
2

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अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
HEF4752VA.C. motor control circuitNXP
NXP


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