5V/9V/[email protected] Output QC2.0+USB Auto Detect Car Charger Solution Application Report ACT4528 FEATURES 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, supporting Apple, Samsung and BC 1.2 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 Active-Semi, Inc. Contact 8 kV Through air 15 kV -1- www.active-semi.com Active-Semi. Confidential-Do Not Copy or Distribute ACT4528 QC2.0 And USB Auto Detect 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℃) ...................................................................................8 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 Active-Semi, Inc. - 2 - Active-Semi. Confidential-Do Not Copy or Distribute www.active-semi.com ACT4528 QC2.0 And USB Auto Detect 1. DEMO BOARD PHOTO 2. PCB LAYOUT PCB SIZE: 39.4mm*15.0mm TOP LAYER BOTTOM LAYER 3. SCHEMATIC 2 +Vin F1 4A 6 1 CSN1 CSP VIN U1 ACT4526 SOP-8EP GND C3 2.2µF 25V C1 47µF 35V C2 10µF 25V EP C5 22nF/25V 8 DP 4 HSB SW R2 0Ω R4 50mΩ L1 7 47µH/3.5A N/C DM 3 D1 SS54 C4 2.2nF 25V R1 5.1Ω 5 R3 50mΩ Output 4 C6 220µF 16V C7 10µF 16V 3 C9 2.2µF 16V 2 DD+ 1 GND Active-Semi, Inc. - 3 - Active-Semi. Confidential-Do Not Copy or Distribute www.active-semi.com ACT4528 QC2.0 And USB Auto Detect 4. BILL OF MATERIALS Item 1 Reference L1 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 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 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 U1 IC, ACT4528, SOP-8-EP 1 ACT 16 USB USB Rev: A 1 Active-Semi, Inc. Description Choke Coil, Dip,T9*5*4mm, phi=0.6mm, L=47uH - 4 - Active-Semi. Confidential-Do Not Copy or Distribute QTY Manuf. 1 www.active-semi.com ACT4528 QC2.0 And USB Auto Detect 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) Active-Semi, Inc. 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% - 5 - Active-Semi. Confidential-Do Not Copy or Distribute Iload 0A-2.4A www.active-semi.com ACT4528 QC2.0 And USB Auto Detect 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 Active-Semi, Inc. 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 - 6 - Active-Semi. Confidential-Do Not Copy or Distribute www.active-semi.com ACT4528 QC2.0 And USB Auto Detect 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 Vin Active-Semi, Inc. Vout=9V Power loss (W) - 7 - Active-Semi. Confidential-Do Not Copy or Distribute www.active-semi.com ACT4528 QC2.0 And USB Auto Detect 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 5.4. Constant Current and Constant Voltage (Ta=25℃ ) Active-Semi, Inc. - 8 - Active-Semi. Confidential-Do Not Copy or Distribute www.active-semi.com ACT4528 QC2.0 And USB Auto Detect Vout=5V CC Load CV Load Active-Semi, Inc. 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 - 9 - Active-Semi. Confidential-Do Not Copy or Distribute www.active-semi.com ACT4528 QC2.0 And USB Auto Detect Vout=9V CC Load CV Load Active-Semi, Inc. 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 - 10 - Active-Semi. Confidential-Do Not Copy or Distribute www.active-semi.com ACT4528 QC2.0 And USB Auto Detect Vout=12V CC Load CV Load Active-Semi, Inc. 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 - 11 - Active-Semi. Confidential-Do Not Copy or Distribute www.active-semi.com ACT4528 QC2.0 And USB Auto Detect 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 Active-Semi, Inc. - 12 - Active-Semi. Confidential-Do Not Copy or Distribute www.active-semi.com ACT4528 QC2.0 And USB Auto Detect 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 Active-Semi, Inc. - 13 - Active-Semi. Confidential-Do Not Copy or Distribute www.active-semi.com ACT4528 QC2.0 And USB Auto Detect 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 Active-Semi, Inc. - 14 - Active-Semi. Confidential-Do Not Copy or Distribute www.active-semi.com ACT4528 QC2.0 And USB Auto Detect 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 0.5A-1A-0.5A Vin=24V, load step 1A-1.5A-1A Active-Semi, Inc. Vin=24V, load step 1.5A-2.4A-1.5A - 15 - Active-Semi. Confidential-Do Not Copy or Distribute www.active-semi.com ACT4528 QC2.0 And USB Auto Detect 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 Active-Semi, Inc. 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 - 16 - Active-Semi. Confidential-Do Not Copy or Distribute www.active-semi.com ACT4528 QC2.0 And USB Auto Detect 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 Active-Semi, Inc. Vin=40V-12V - 17 - Active-Semi. Confidential-Do Not Copy or Distribute www.active-semi.com ACT4528 QC2.0 And USB Auto Detect 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 Active-Semi, Inc. - 18 - Active-Semi. Confidential-Do Not Copy or Distribute www.active-semi.com ACT4528 QC2.0 And USB Auto Detect 6. EMI TEST 6.1. Output 5V Vin=12V Output 5V2.4A Horizontal Vin=12V Output 5V2.4A Vertical Active-Semi, Inc. - 19 - Active-Semi. Confidential-Do Not Copy or Distribute www.active-semi.com ACT4528 QC2.0 And USB Auto Detect 6.2. Output=9V Vin=12V Output 9V2.4A Horizontal Vin=12V Output 9V2.4A Vertical Active-Semi, Inc. - 20 - Active-Semi. Confidential-Do Not Copy or Distribute www.active-semi.com