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PDF APX9280 Data sheet ( Hoja de datos )
| Número de pieza | APX9280 | |
| Descripción | Single-Phase Full-Wave Motor Pre-Driver | |
| Fabricantes | ANPEC | |
| Logotipo |  |
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APX9280
Single-Phase Full-Wave Motor Pre-Driver For Fan Motor
Features
General Description
• Single Phase Fan Pre-Driver
• Low Supply Current
• Built in Variable Speed Control Function
• Hall Bias Circuit included
• Minimum Speed Setting
• Built-in Current-Limit
• Built-in Lock Protection and Auto Restart
Function
• FG (Rotation Speed Detection) and
RD (Lock Detection ) Output
• Built-in Reactive Current Cut Circuit
• Built-in Thermal Protection Circuit
• Lead Free and Green Devices Available
(RoHS Compliant)
The APX9280 is a single phase, DC brushless motor
pre-driver with features of PWM variable speed control
and current-limit, which is suitable for fans, blowers, and
pump motors. The right ROFF resistor value could tune
the adequate soft switch time to cut reactive current be-
fore phase changes. PWM control system works depend-
ing on the comparison between the voltage of SET, MIN,
and OSC. The device is equipped with built-in lock
protection; when fan is locked, the device will enter the
lockup protection mode. It is also with rotation detection
output and thermal shutdown functions. In normal
operation, the supply current is less than 10mA. The
APX9280 is available in TSSOP-20 package (See Pin
Configuration).
Pin Configuration
Applications
• Mainframe and Personal Computer Fans
and Blowers
• Instrumentation Fans
• Variable Speed Control Fans
OUT2P 1
OUT2N 2
VCC 3
VLIM 4
SENSE 5
MIN 6
SET 7
OSC 8
FG 9
RD 10
TSSOP-20
20 OUT1P
19 OUT1N
18 VOVER
17 SGND
16 6VREG
15 ROFF
14 CT
13 IN+
12 HB
11 IN-
Ordering and Marking Information
APX9280
Assembly Material
Handling Code
Temp. Range
Package Code
Package Code
O : TSSOP-20
Operating Ambient Temp. Range
I : -40 to 95 ° C
Handling Code
TR : Tape & Reel
Assembly Material
L : Lead Free Device
G : Halogen and Lead Free Device
APX9280 O :
APX9280
XXXXX
XXXXX - Date Code
Note: ANPEC lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish; which are fully compliant
with RoHS. ANPEC lead-free products meet or exceed the lead-free requirements of IPC/JEDEC J-STD-020C for MSL classification at lead-free peak
reflow temperature. ANPEC defines “Green” to mean lead-free (RoHS compliant) and halogen free (Br or Cl does not exceed 900ppm by weight in
homogeneous material and total of Br and Cl does not exceed 1500ppm by weight).
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise customers to obtain
the latest version of relevant information to verify before placing orders.
Copyright © ANPEC Electronics Corp.
Rev. A.2 - Apr., 2008
1
www.anpec.com.tw
1 page  
APX9280
Typical Operating Characteristics (Cont.)
CT Voltage vs. VCC Supply Voltage
4
3.5
VCTH
3
2.5
2
1.5
1 VCTL
0.5
0
3 4 5 6 7 8 9 10 11 12 13 14 15 16
VCC Supply Voltage(V)
RD/FG Voltage vs. RD/FG Current
0.45
0.4
VCC=12V
0.35
0.3
0.25
0.2
0.15
0.1
0.05
0
0 2 4 6 8 10 12 14 16 18 20
RD/FG Current(mA)
OUT_N Saturation Voltage vs.
OUT_N Output Current
1.8
1.6 VCC=12V
1.4
OUT_N
Upper Side
1.2
1
0.8
0.6
OUT_N
Lower side
0.4
0.2
0
0 5 10 15 20 25
OUT_N Output Current(mA)
Copyright © ANPEC Electronics Corp.
Rev. A.2 - Apr., 2008
5
CT Current vs. VCC Supply Voltage
2.5
2
1.5 ICT1
1
0.5 ICT2
0
3 4 5 6 7 8 9 10 11 12 13 14 15 16
VCC Supply Voltage(V)
Maximum Power Dissipation vs.
Ambient Temperature
1200
1000
800
600
400
200
0
0 25 50 75
Ambient Temperature(oC)
100
OUT_P Saturation Voltage vs.
OUT_P Output Current
0.8
0.7 VCC=12V
0.6
0.5
0.4
0.3
0.2
0.1
0
0 5 10 15 20 25
OUT_P Output Current(mA)
www.anpec.com.tw
5 Page 
APX9280
Typical Application Circuits (Cont.)
2. For 24V Application
24V
*2Ω
4.7µF/50V
*2Ω
4.7µF/50V
OUT1PE
1kΩ
OUT1
IL
OUT1N
1kΩ
OUT2
OUT2PE
OUT2N
1µF/25V
RF
RFG,RRD= 1kΩ ~ 10kΩ
PWM IN
6VREG
H
VOVER
HB
IN-
IN+
MIN
COSC=100pF
CT= 0.47 ~ 1µF
SET
OSC
CT
VCC
SGND
RD
FG
SENSE
VLIM
OUT1PE OUT2PE
6VREG
ROFF
OUT1P
OUT1N
OUT2P
OUT2N
1µF~4.7µF
0~10kΩ
2kΩ
2kΩ
0.1µF~1µF
*2Ω resistor and 4.7µF capacitor circuits are to decline peaking voltage in hot plug condition.
Copyright © ANPEC Electronics Corp.
Rev. A.2 - Apr., 2008
11
www.anpec.com.tw
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet APX9280.PDF ] | |
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