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BA6425FS Datasheet(PDF) 2 Page - LSI Computer Systems

Part # BA6425FS
Description  3-phase full-wave fan motor driver IC
PDF  2 Pages
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Manufacturer  LSI [LSI Computer Systems]
Direct Link  http://www.lsicsi.com
Logo LSI - LSI Computer Systems

BA6425FS Datasheet(HTML) 2 Page - LSI Computer Systems

  BA6425FS Datasheet HTML 1Page - LSI Computer Systems BA6425FS Datasheet HTML 2Page - LSI Computer Systems  
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∗If VM voltage is low, this IC may not be able to flow the output current by absolute maximum ratings.
mA
mV
Application Circuit
Operating supply voltage range
VCC
—
5
17
V
Operating supply voltage range
VM
—
3.5
17
V
Hall Amp in-phase voltage range
VCH
—
1.1
VCC–1.0
V
V
V
V
V
V
Recommended Operating Conditions (Ta=25˚C)
Parameter
Min.
Max.
Unit
Typ.
Symbol
VCC circuit current
ICC
—
—
0.8
0.35
–4.0
—
–10
0.38
–2.0
7.5
0
—
±8
±18
±28
3.7
76
1.21
0.55
—
—
—
0.5
—
—
—
—
6.0
120
1.6
0.75
2.0
2.0
4.5
0.2
10
0.62
0
VCC
mV
µA
µA
V
µA
µA
IM
VOH
VOL
IBH1
IBH2
ISD
VCL
IFRL
VFRH
VFRL
VFGL
VHYS
VM circuit current
Output saturation voltage H
Output saturation voltage L
Hall bias current H1
Hall bias current H2, H3
Input-converted offset voltage
Current limit voltage
FR bias current
Forward input voltage range
Reverse input voltage range
FG output L voltage
FG hysteresis width
Output : Open, Input : HLH
Output : Open, Input : HLH
IO=350mA
IO=350mA RNF=0.5
Ω
Electrical characteristics (Unless otherwise noted: Ta=25˚C, Vcc=VM=12V)
Symbol
Min.
Max.
Unit
Conditions
Typ.
Parameter
∗3
RNF=0.5
Ω
IO=2mA
Signal combiner
Differential divide
Driver
Forward/
Reverse
select
Current
limit AMP
RNF
A3
A2
A1
VM
PCI
PCV
GND
FR
H3-
H3+
H2-
H2+
H1-
H1+
FG
HALL
1
HALL
2
HALL
3
FG
Output
saturation
prevent
TSD
A1 A2 A3
VCC
—
BA6425FS



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