ENA2075 D

Ordering number : ENA2075
LB11669MC
Monolithic Digital IC
For Fan Motor
http://onsemi.com
Two-Phase Half-Wave Driver
Overview
The LB11669MC is a two-phase uni-polar brushless motor driver for fan motor.
Functions
• Two-phase half-wave drive.
incorporated.
• RD (lock detection) outputs incorporated.
• FG (rotation detection) outputs incorporated.
• Thermal shutdown circuit incorporated.
• Lock protection and automatic return function
• Output protection zener diode incorporated.
• Hall input amplifier incorporated.
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Maximum inflow current
Output current
Symbol
Conditions
IIN max
Unit
100
IOUT ave
IOUT peak
Ratings
Only when starting and lock protection is
mA
400
mA
800
mA
activated
Output withstand voltage
VOUT max
Internal
V
FG/RD output current
IFG/RD max
10
mA
FG/RD output withstand voltage
VFG/RD max
30
V
750
mW
Allowable power dissipation
Pd max
Mounted on a board *
Operating temperature
Topr
-30 to +85
°C
Storage temperature
Tstg
-55 to +150
°C
* Specified board : 114.3mm × 76.1mm × 1.6mm, glass epoxy board.
Caution 1) Absolute maximum ratings represent the value which cannot be exceeded for any length of time.
Caution 2) Even when the device is used within the range of absolute maximum ratings, as a result of continuous usage under high temperature, high current,
high voltage, or drastic temperature change, the reliability of the IC may be degraded. Please contact us for the further details.
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
Semiconductor Components Industries, LLC, 2013
May, 2013
62012 SY 20120329-S00002 No.A2075-1/4
LB11669MC
Recommended Operating Conditions at Ta = 25°C
Parameter
Symbol
Inflow current range
Conditions
Ratings
Unit
IIN
Common-mode input voltage range
5 to 25
VCOM
0.2 to VIN -2.3
mA
V
Electrical Characteristics at Ta = 25°C, VCC=24V, R1=1kΩ, unless otherwise specified.
Parameter
Symbol
Ratings
Conditions
min
IIN = 6mA
typ
5.95
Unit
max
VIN voltage
VIN
6.3
6.65
V
CT capacitor charging current
ICT1
CT = 0.5V
1.8
Capacitor dis-charging current
ICT2
CT = 6.0V
0.15
2.55
3.4
μA
0.23
0.31
Capacitor charging / dis-charging
RCT
RCT = ICT1 / ICT2
10.5
11
14.5
μA
current ratio
CT charging voltage
VCTH
VCT / VIN
74
79
84
%
CT dis-charging voltage
VCTL
VCT / VIN
41
46
51
%
Output limit withstand voltage
VOLM
IO = 100mA
49
52
55
V
Output saturation voltage
VOL1
IO = 200mA
0.85
1.1
V
Hall input sensitivity
VHN
Including offset and hysteresis
±15
±30
mV
VFG/RD
IFG/RD = 5mA
0.15
0.3
V
FG/RD output leak current
IFGL/RDL
VFG/RD = 14V
0.1
10
μA
Thermal protection function
TSD
Design target value *
180
FG/RD output saturation voltage
°C
operating temperature
* Design target value and is not measured.
Package Dimensions
unit : mm (typ)
3426A
5
0.41
1.75 MAX
0.21
1.5
1.0
Pd max – Ta
1000
Specified board : 114.3×76.1×1.6mm3
glass epoxy
800
600
400
390
200
0
– 30
0
30
60
90
120
Ambient temperature, Ta – °C
0.175
1
0.835
0.37
6.0
6
3.9
10
Allowable power dissipation, Pd max – mW
4.9
SANYO : SOIC10
No.A2075-2/4
LB11669MC
Pin Assignment
CT
7
OUT2
6
5
OUT1
VIN
8
4
NC
FG
9
3
IN-
LB11669MC
2
IN+
10
1
RD
GND
Top View
Block Diagram
L1
R1
Thermal protection
VIN
VCC
HALL
L2
OUT1
Control
block
IN+
OUT2
IN-
Constant current
circuit
FG
CT
RD
GND
Truth table
IN-
IN+
H
L
L
H
H
L
CT
OUT1
OUT2
FG
RD
H
L
L
L
L
H
OFF
L
OFF
OFF
L
OFF
OFF
OFF
OFF
OFF
L
Rotation
H
L
H
Mode
Lock protection
No.A2075-3/4
LB11669MC
Application Circuit Example 24V power supply
VCC
R1=1kΩ
VIN
R2=2kΩ
H
IN+
OUT1
IN-
OUT2
FG
CT
RD
GND
Substrate parts
Notice
• Take care not to cause interference due to wiring of IN- and OUT1.
• Wiring need to be short to prevent carrying of the noise. If the noise is carried, insert a capacitor between IN+ and IN-.
• In application of connecting the CT pin to GND, lock protection and restart function are not effective.
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of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of SCILLC’s product/patent coverage may be accessed at
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application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental
damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual
performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical
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PS No.A2075-4/4
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