ACT4529 Application Notes

5V/9V/12V Output QC2.0+USB Auto Detest+USB-PD Type-C
Application Report
ACT4529
FEATURES
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Wide input voltage range from 6V to 32V
Transparent input voltage surge up to 40V
QC2.0 decoding, 5V/9V/12V output voltage regulation
USB auto detect, support Apple, Samsung and BC 1.2
Interface for USB-PD Type-C output voltage control 5V/9V/12V
2.4A output with Constant current regulation
125kHz switching frequency
Standby input current <1mA
Good EMC performance
Under voltage protection at output short
<6mA average output current at output short
Output over voltage protection
Output cord compensation
Thermal shutdown protection
SPECIFICATION
DESCRIPTION
CONDITION
Output current limit range
Ripple Voltage
Efficiency at full load
MIN
TYP
MAX
UNITS
2400
2650
2900
mA
Vin=12V,ouput 5V/2.4A
46
Vin=12V,ouput 9V/2.4A
27
Vin=12V,ouput 11.6V/2.4A
19
Vin=24V,ouput 5V/2.4A
59
Vin=24V,ouput 9V/2.4A
72
Vin=24V,ouput 12V/2.4A
80
Vin=12V,ouput 5V/2.4A
89.6
Vin=12V,ouput 9V/2.4A
94.9
Vin=12V,ouput 12V/2.4A
96.7
Vin=24V,ouput 5V/2.4A
87.7
Vin=24V,ouput 9V/2.4A
92.4
Vin=24V,ouput 12V/2.4A
93.9
mVpp
%
ENVIRONMENTAL
ESD
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Contact
8
kV
Through air
15
kV
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ACT4529 QC2.0+USB Auto Detect+USB-PD Type-C
TABLE OF CONTENTS
1.
Demo Board Photo .................................................................................................................................3
2.
PCB Layout ............................................................................................................................................3
3.
Schematic ................................................................................................................................................3
4.
Bill of Materials ......................................................................................................................................4
5.
Functional Test ........................................................................................................................................5
5.1.
Output Regulation (on PCB board) ...........................................................................................................5
5.2.
Efficiency (Ta=25℃) .................................................................................................................................6
5.3.
Power Loss ................................................................................................................................................7
5.4.
Constant Current and Constant Voltage (Ta=25℃) ...................................................................................9
5.5.
Standby Input Current .............................................................................................................................12
5.6.
Ripple and Noise .....................................................................................................................................13
5.7.
Load Dynamic Response .........................................................................................................................15
5.8.
Output Voltage Transient .........................................................................................................................16
5.9.
Line Dynamic Response(Vin change from 12V to 40V, 0.1V/us) ...........................................................17
5.10.
6.
Key Components Temperature Test ( burning for 2 hours) .................................................................18
EMI TEST.............................................................................................................................................19
6.1.
Output 5V ................................................................................................................................................19
6.2.
Output=9V ...............................................................................................................................................20
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ACT4529 QC2.0+USB Auto Detect+USB-PD Type-C
1. DEMO BOARD PHOTO
2. PCB LAYOUT
PCB SIZE: 39.4mm*15.0mm
TOP LAYER
BOTTOM LAYER
3. SCHEMATIC
PDC is high,Vout=12V
PDC is low,Vout=9V
PDC is float,Vout=5V
12V 5V 9V
J1
2
R5 ZD1
470k 3.3V
+Vin
6
1
8
CSN1 CSP
VIN
GND
C1
47µF
35V
C2
10µF
25V
EP
DP
4
R2
0Ω
R4
50mΩ
L1
7
47µH/3.5A
U1
ACT4529
3
PDC SOP-8EP
F1 4A
C3
2.2µF
25V
HSB
SW
C5
22nF/25V
DM
D1
SS54
C4
2.2nF
25V
R1
10Ω
5
R3
50mΩ
Output
4
C6
220µF
16V
C7
10µF
16V
3
C9
2.2µF
16V
2
DD+
1
GND
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ACT4529 QC2.0+USB Auto Detect+USB-PD Type-C
4. BILL OF MATERIALS
Item
1
Reference
Description
L1
Choke Coil, Dip,T9*5*4mm, phi=0.6mm, L=47uH
QTY
Manuf.
1
2
D1
Schottky Diode, SK54BL, 40V/5A, SMB
1
Panjit
3
C1
Electrolytic capacitor, 47uF/35V, 6.3x8mm
1
Koshin
4
C2
Ceramic capacitor, 10uF/35V, X7R, 1206
1
Murata/TDK
5
C3
Ceramic capacitor, 2.2uF/35V, X7R, 0805
1
Murata/TDK
6
C4
Ceramic capacitor, 2.2nF/25V, X7R, 0603(optional)
1
Murata/TDK
7
C5
Ceramic capacitor, 22nF/25V, X7R, 0603
1
Murata/TDK
8
C6
Electrolytic capacitor, 220uF/16V, 7x11.5mm
1
Koshin
9
C7
Ceramic capacitor, 10uF/16V, X7R, 0805
1
Murata/TDK
10
C9
Ceramic capacitor, 2.2uF/16V, X7R, 0603
1
Murata/TDK
11
F1
1
Murata/TDK
12
R1
Fuse, 3A, 1206
( Replaced by 0Ω 0805 chip resistor )
Chip Resistor, 5.1Ω, 1/8W, 5%, 0805(optional)
1
Murata/TDK
13
R2
Chip Resistor, 0Ω, 1/10W, 5%, 0603
1
Murata/TDK
14
R3/R4
Chip Resistor, 50mΩ, 1/4W, 1%, 1206
2
Murata/TDK
15
R5
Chip Resistor, 470K, 1/10W, 5%, 0603
1
Murata/TDK
16
ZD1
Zener diode,MMSZ5226BS,3.3V,SOD-323
1
Panjit
17
U1
IC, ACT4528, SOP-8-EP
1
ACT
18
USB
USB Rev: A
1
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ACT4529 QC2.0+USB Auto Detect+USB-PD Type-C
5. FUNCTIONAL TEST
5.1. Output Regulation (on PCB board)
Vout=5V (With cord compensation)
VIN
Minimum
Output Voltage(V)
Maximum
Output Voltage(V)
Load Regulation
10V
5.09
5.22
2.5%
12V
5.09
5.22
2.5%
16V
5.09
5.22
2.5%
24V
5.09
5.022
2.5%
Iload
0A-2.4A
Vout=9V(With cord compensation)
VIN
Minimum
Output Voltage(V)
Maximum
Output Voltage(V)
Load Regulation
10V
9.21
9.34
1.4%
12V
9.21
9.21
1.4%
16V
9.21
9.34
1.4%
24V
9.21
9.34
1.4%
Iload
0A-2.4A
Vout=12V(With cord compensation)
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VIN
Minimum
Output Voltage(V)
Maximum
Output Voltage(V)
Load Regulation
10V
9.61
10.05
4.5%
12V
11.56
11.91
3.0%
16V
12.19
12.32
1.1%
24V
12.19
12.32
1.1%
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Iload
0A-2.4A
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ACT4529 QC2.0+USB Auto Detect+USB-PD Type-C
5.2. Efficiency (Ta=25℃)
VIN
Io=100mA
Io=1000mA
Io=1500mA
Io=2000mA
Io=2400mA
10V
88.94
93.12
92.14
91.15
90.04
12V
86.30
92.11
91.46
90.43
89.55
16V
83.16
90.69
90.43
89.44
88.96
24V
75.49
88.72
88.70
88.44
87.73
VIN
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Vout=5V Efficiency (%)
Vout=9V Efficiency (%)
Io=100mA
Io=1000mA
Io=1500mA
Io=2000mA
Io=2400mA
10V
94.72
97.48
96.83
96.25
95.39
12V
93.70
96.68
96.15
95.43
94.91
16V
89.93
94.88
94.55
93.89
93.56
24V
89.23
92.80
92.89
92.68
92.39
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ACT4529 QC2.0+USB Auto Detect+USB-PD Type-C
Vout=12V Efficiency (%)
VIN
Io=100mA
Io=1000mA
Io=1500mA
Io=2000mA
Io=2400mA
12V
97.94
98.31
97.73
97.11
96.66
16V
92.91
96.72
96.34
95.97
95.60
24V
90.74
94.33
94.52
94.30
93.90
5.3. Power Loss
Vin
Vout=5V Power loss (W)
Io=0mA
Io=100mA
Io=1000mA
Io=1500mA
Io=2000mA
Io=2400mA
Vin=10V
0.01
0.06
0.38
0.66
1.01
1.39
Vin=12V
0.01
0.08
0.44
0.72
1.1
1.46
Vin=16V
0.02
0.10
0.53
0.82
1.23
1.56
Vin=24V
0.02
0.17
0.65
0.99
1.36
1.75
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ACT4529 QC2.0+USB Auto Detect+USB-PD Type-C
Vin
Vout=9V Power loss (W)
Io=0mA
Io=100mA
Io=1000mA
Io=1500mA
Io=2000mA
Io=2400mA
Vin=10V
0.05
0.05
0.24
0.46
0.73
1.08
Vin=12V
0.02
0.06
0.32
0.56
0.89
1.2
Vin=16V
0.03
0.10
0.50
0.80
1.21
1.54
Vin=24V
0.02
0.11
0.72
1.07
1.47
1.85
Vin
Vout=12V Power loss (W)
Io=0mA
Io=100mA
Io=1000mA
Io=1500mA
Io=2000mA
Io=2400mA
Vin=12V
0.04
0.03
0.20
0.41
0.69
0.96
Vin=16V
0.05
0.09
0.42
0.70
1.03
1.36
Vin=24V
0.05
0.12
0.74
1.07
1.49
1.92
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ACT4529 QC2.0+USB Auto Detect+USB-PD Type-C
5.4. Constant Current and Constant Voltage (Ta=25℃ )
Vout=5V
CC
Load
CV
Load
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Vin=12V
Vin=16V
Vin=24V
Vout (V)
Iout(mA)
Vout (V)
Iout (mA)
Vout (V)
Iout (mA)
5.09
0
5.09
0
5.09
0
5.12
500
5.12
100
5.12
100
5.14
1000
5.14
1000
5.14
1000
5.17
2000
5.17
2000
5.17
2000
5.22
2400
5.22
2400
5.22
2400
4.95
2537
4.85
2536
4.85
2533
4.8
2537
4.75
2536
4.75
2533
4.5
2537
4.5
2536
4.5
2533
4
2537
4
2536
4
2533
3.5
2537
3.5
2537
3.5
2533
3
2538
3
2537
3
2533
2.8
2538
2.5
2537
2.5
2533
2.6
2212
2.4
2240
2.4
2340
2.5
0
2.5
0
2.5
0
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ACT4529 QC2.0+USB Auto Detect+USB-PD Type-C
Vout=9V
CC
Load
CV
Load
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Vin=12V
Vin=16V
Vin=24V
Vout (V)
Iout(mA)
Vout (V)
Iout (mA)
Vout (V)
Iout (mA)
9.21
0
9.21
0
9.21
0
9.24
500
9.24
500
9.24
500
9.27
1000
9.27
1000
9.27
1000
9.3
2000
9.3
2000
9.3
2000
9.34
2400
9.34
2400
9.34
2400
9
2542
9
2535
9
2529
8
2543
8
2535
8
2529
7
2543
7
2535
7
2529
6
2544
6
2535
6
2555
5
2544
5
2535
5
2548
4
2544
4
2547
4
2610
3
2543
3
2535
3
2525
2.5
0
2.5
0
2.5
0
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ACT4529 QC2.0+USB Auto Detect+USB-PD Type-C
Vout=12V
CC Load
CV Load
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Vin=12V
Vin=16V
Vin=24V
Vout (V)
Iout(mA)
Vout (V)
Iout (mA)
Vout (V)
Iout (mA)
12.19
0
12.19
0
12.19
0
12.22
500
12.22
500
12.22
500
12.24
1000
12.24
1000
12.24
1000
12.3
1500
12.3
1500
12.3
1500
12.32
2400
12.32
2400
12.32
2400
11
2538
11.5
2533
12
2530
10
2538
10
2533
10
2530
9
2539
9
2534
9
2530
8
2539
8
2534
8
2530
7
2540
7
2534
7
2545
6
2541
6
2535
6
2545
5
2540
5
2557
5
2540
4
2541
4
2625
4
2642
3
2540
3
2530
3
2521
2.5
0
2.5
0
2.5
0
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ACT4529 QC2.0+USB Auto Detect+USB-PD Type-C
5.5. Standby Input Current
Vout=5V
Test
Conditions
Vin=10V
Input Current
(mA)
0.75
Power Loss at No Load
(mW)
7.5
Vin=12V
0.7
8.4
Vin=16V
0.84
13.4
Vin=24V
0.69
16.6
Test
Conditions
Vin=10V
Input Current
(mA)
3.94
Power Loss at No Load
(mW)
39.4
Vin=12V
1.69
20.3
Vin=16V
1.35
21.6
Vin=24V
1.06
25.4
Test
Conditions
Vin=12V
Input Current
(mA)
2.13
Power Loss at No Load
(mW)
25.6
Vin=16V
2.13
34.1
Vin=24V
1.56
37.4
Vout=9V
Vout=12V
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ACT4529 QC2.0+USB Auto Detect+USB-PD Type-C
5.6. Ripple and Noise
CH1:Vsw, CH2:Vout2
Vin=10V Vout=5V Iout=0A
Vin=10V Vout=5V Iout=1A
Vin=10V Vout=5V Iout=2.4A
Vin=24V Vout=5V Iout=0A
Vin=24V Vout=5V Iout=1A
Vin=24V Vout=5V Iout=2.4A
Vin=10V Vout=9V Iout=0A
Vin=10V Vout=9V Iout=1A
Vin=10V Vout=9V Iout=2.4A
Vin=24V Vout=9V Iout=0A
Vin=24V Vout=9V Iout=1A
Vin=24V Vout=9V Iout=2.4A
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ACT4529 QC2.0+USB Auto Detect+USB-PD Type-C
Vin=12V Vout=12V Iout=0A
Vin=12V Vout=12V Iout=1A
Vin=24V Vout=12V Iout=0A
Vin=12V Vout=12V Iout=2.4A
Vin=24V Vout=12V Iout=1A
Vin=24V Vout=12V Iout=2.4A
Ripple & noise are measured by using 20MHz bandwidth limited oscilloscope
Test Conditions
Vout=5V
Vout=9V
Vout=12V
Output
Ripple(mV)
Iout=0A
Iout=1A
Iout=2.4A
Iout=0A
Iout=1A
Iout=2.4A
Iout=0A
Iout=1A
Iout=2.4A
Vin=10V
20
30
39
16
11
14
13
14
17
Vin=12V
25
34
46
15
21
27
11
15
18
Vin=16V
34
38
52
22
38
51
21
30
38
Vin=24V
36
43
59
44
54
73
46
60
80
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5.7. Load Dynamic Response
CH2:Vout ripple, CH4:Iout
Vout=5V
Vin=24V, load step 0A-0.5A-0A
Vin=24V, load step 0.5A-1A-0.5A
Vin=24V, load step 1A-1.5A-1A
Vin=24V, load step 1.5A-2.4A-1.5A
Vout=9V
Vin=24V, load step 0A-0.5A-0A
Vin=24V, load step 1A-1.5A-1A
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Vin=24V, load step 0.5A-1A-0.5A
Vin=24V, load step 1.5A-2.4A-1.5A
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ACT4529 QC2.0+USB Auto Detect+USB-PD Type-C
Vout=12V
Vin=24V, load step 0A-0.5A -0A
Vin=24V, load step 1A-1.5A-1A
Vin=24V, load step 0.5A-1A-0.5A
Vin=24V, load step 1.5A-2.4A-1.5A
5.8. Output Voltage Transient
CH2:Vout,CH3:Vsw,CH4:IL
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Vin=12V,Iout=0A,Vout 5V—>9V
Vin=12V,Iout=0A,Vout 9V—>5V
Vin=12V,Iout=0A,Vout 9V—>12V
Vin=12V,Iout=0A,Vout 12V—>5V
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ACT4529 QC2.0+USB Auto Detect+USB-PD Type-C
Vin=12V,Iout=2.4A,Vout 5V—>9V
Vin=12V,Iout=0A,Vout 9V—>12V
Vin=12V,Iout=2.4A,Vout 9V—>5V
Vin=12V,Iout=0A,Vout 12V—>5V
5.9. Line Dynamic Response(Vin change from 12V to 40V, 0.1V/us)
CH1:Vin, CH2:Vout ripple , output 5V/2.4A
Vin=12V-40V
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Vin=40V-12V
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ACT4529 QC2.0+USB Auto Detect+USB-PD Type-C
5.10. Key Components Temperature Test ( burning for 2 hours)
Vout=5V
Vin/Iout
Ambient
(℃)
PCB
(℃)
IC
(℃)
Schottky
(℃)
Inductor
(℃)
12V/2.4A
33
92
95
97
95
16V/2.4A
33
97
99
104
101
24V/2.4A
33
101
104
109
106
Vin/Iout
Ambient
(℃)
PCB
(℃)
IC
(℃)
Schottky
(℃)
Inductor
(℃)
12V/2A
33
74
75
73
72
16V/2A
33
84
85
88
83
24V/2A
33
92
93
96
91
Vin/Iout
Ambient
(℃)
PCB
(℃)
IC
(℃)
Schottky
(℃)
Inductor
(℃)
12V/2A
37
72
75
66
72
16V/2A
38
81
85
78
83
24V/2A
39
92
96
90
95
Vout=9V
Vout=12V
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ACT4529 QC2.0+USB Auto Detect+USB-PD Type-C
6. EMI TEST
6.1. Output 5V
Vin=12V Output 5V2.4A Horizontal
Vin=12V Output 5V2.4A Vertical
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6.2. Output=9V
Vin=12V Output 9V2.4A Horizontal
Vin=12V Output 9V2.4A Vertical
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