UTC-IC SK6406G-S08-R

UNISONIC TECHNOLOGIES CO., LTD
SK6406/G
LINEAR INTEGRATED CIRCUIT
2-PHASE DC-FAN MOTOR
PRE-DRIVER IC
„
DESCRIPTION
SK6406 is a 2-phase pre-driver IC for dc-fan motors, providing
the functions of motor lock protection, auto-restart, and rotation
detection signal output. SK6406 is with RD option and SK6406G
with FG.
„
FEATURES
* Wide supply voltage range of 2.5V to 30V
* Lock protection
* Auto-restart when the motor lock is undone
* RD(latch-type lockup detection) output (SK6406)
* FG(frequency generator) output (SK6406G)
„
SOP-8
*Pb-free plating product number:
SK6406L/SK6406GL
APPLICATION
* Dual Coil DC FAN Motor
„
ORDERING INFORMATION
Order Number
Normal
Lead Free Plating
SK6406-S08-R
SK6406L-S08-R
SK6406-S08-T
SK6406L-S08-T
SK6406G-S08-R
SK6406GL-S08-R
SK6406G-S08-T
SK6406GL-S08-T
www.unisonic.com.tw
Copyright © 2005 Unisonic Technologies Co., Ltd
Package
Packing
SOP-8
SOP-8
SOP-8
SOP-8
Tape Reel
Tube
Tape Reel
Tube
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QW-R109-026,A
SK6406/G
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LINEAR INTEGRATED CIRCUIT
PIN CONFIGURATION
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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SK6406/G
LINEAR INTEGRATED CIRCUIT
BLOCK DIAGRAM
„
Vcc
REGULATOR
OUT1
OUT2
H+
CONTROL
BLOCK
HHysteresis
amplifier
CT
GND
FG
(SK6406G)
LOCK PROTECTION
AUTORESTART
BLOCK
LOCK
DET
UNISONIC TECHNOLOGIES CO., LTD
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RD
(SK6406)
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LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (Ta = 25℃)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
2.5V ~ 30V
V
Hall Input Common Mode Voltage Range
VHIC
1.0 ~ Vcc-0.5
V
Circuit Current
IOUT
80
mA
Power Dissipation
PD
700
mW
Operating Ambient Temperature
TOPR
-20 ~ +85
℃
Storage Temperature
TSTG
-55 ~ +150
℃
Note Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
„
ELECTRICAL CHARACTERISTICS (Ta=25℃, VCC=12V)
PARAMETER
Current Drain
SYMBOL
ICC
Lockup Detection Capacitor Charge Current
Capacitor Discharge Current
Charge/Discharge Ratio
CT Charge Voltage
CT Discharge Voltage
Output High Level Voltage
ICT1
ICT2
RCT
VCT1
VCT2
VOL
Hall Input Sensitivity
VHin
RD Output Pin Low Voltage
(SK6406)
RD Current Capacity
(SK6406)
FG Low Voltage
(SK6406G)
FG Driver Capacity (SK6406G)
FG Leakage Current (SK6406G)
IOUT= 10 mA
Zero peak value
(including offset and hysteresis)
VRDL
IRD=5mA
IRD
VRDL=2V
VFGL
IFG=5mA
IFG
IFGL
VFGL=2V
VFGL=15V
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
TEST CONDITIONS
CT=L
In drive mode
CT=H
VCT= 1.1V
VCT= 1.1V
RCD=ICT1/ICT2
MIN
2
0.35
3
2.2
0.4
10
TYP
3.2
3.2
3.45
0.8
4.5
2.6
0.6
10.5
3
0.1
MAX UNIT
8.7
mA
5
mA
5.25
uA
1.45
uA
8
3
V
0.8
V
V
15
mV
0.3
V
20
mA
0.1
0.3
V
50
mA
uA
20
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SK6406/G
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LINEAR INTEGRATED CIRCUIT
TYPICAL APPLICATION CIRCUIT(SK6406)
*Same value of hall bias resistors is selected for R1 and R2
„
LOCKUP PROTECTION / AUTOMATIC RECOVERY
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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SK6406/G
LINEAR INTEGRATED CIRCUIT
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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