ML4425CS Fairchild Semiconductor, ML4425CS Datasheet - Page 9
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ML4425CS
Manufacturer Part Number
ML4425CS
Description
IC BLDC MOTOR CONTROLLER 28-SOIC
Manufacturer
Fairchild Semiconductor
Datasheet
1.ML4425CSX.pdf
(16 pages)
Specifications of ML4425CS
Applications
DC Motor Controller, Brushless (BLDC)
Number Of Outputs
1
Current - Output
50mA
Voltage - Supply
10.8 V ~ 13.2 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
28-SOIC (7.5mm Width)
Operating Current
50mA
Operating Temperature Classification
Commercial
Motor Controller Type
DC Motor Driver
Package Type
SOIC W
Operating Supply Voltage (min)
10.8V
Operating Supply Voltage (max)
13.2V
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Load
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ML4425CS
Manufacturer:
RENESAS
Quantity:
1 104
Part Number:
ML4425CS
Manufacturer:
FAIRCHILD/仙童
Quantity:
20 000
PRODUCT SPECIFICATION
Back EMF Sampler
REV. 1.0.2 7/2/01
MOTOR C
MOTOR A
MOTOR B
RES1
Neutral
f
F/R
MAX
670
RES1
RES2
RES3
0.05 N RPM
PH1
V
FB A
FB B
FB C
F/R
V
PH2
MOTOR
4k
4k
3
Figure 6. Back EMF Sampler Detailed Block Diagram
MAX
PH3
4k
4k
10V
4k
4k
MULTIPLEXER
SIMULATOR
A + B + C
NEUTRAL
6
GENERATOR
VCO/TACH
BACK EMF
SAMPLER
& RAMP
FROM
Figure 5. External VCO Component Connections
C VCO
4.3V
2.3V
5V
0V
(FROM C AT )
STATE MACHINE
RESET
COMMUTATION
CHANGER
SIGN
SPEED
C VCO
FB
C VCO
g m =
+
–
CONTROLLED
OSCILLATOR
VOLTAGE
8k
1
R VCO
TO
SPEED FB
R VCO
VCO/TACH
ML4425
9