engineering test report · 2015-12-08 · • output at 12v@ 1.5a and switch to 5v@ 0a • output...

Engineering Test ReportDesign of 5V/3A ; 9V/2A ; 12V/1.5A Quick Charge Charger withEUP3468A and CHY103D (Quick Charge 3.0 Interface IC)

Features:• EUP3468A Duty ratio:0% to 100% PWM convert• 40V Input Voltage Surge• QualComm Quick Charge QC3.0/2.0 Compliance;• Programmable Cable Compensation• Complete System and Output Protections (SCP, OCP, OVP, OTP).

德信科技股份有限公司2015.Q4

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1. Power Supply Specification http://www.eutechmicro.com/

Description Symbol Min Typ Max Units

INPUT

Voltage VIN 12 36 VAC

Output

Output Voltage (5V) VOUT 4.75 5.2 5.25 V

Output Current (5V) IOUT 2 3 A

Output Ripple Voltage (5V) VRIPPLE 100 mVP-P

Output Voltage (9V) VOUT 8.55 9 9.45 V

Output Current (9V) IOUT 2 A


Output Voltage (12V) VOUT 11.4 12 12.6 V

Output Current (12V) IOUT 1.5 A


Continuous Output Power POUT 18 W

Average Efficiency η 92 %

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2. Schematic http://www.eutechmicro.com/

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3. EV Board http://www.eutechmicro.com/

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4. Cable compsation, Ripple % Efficiency Measurement

OUTPUT_5V http://www.eutechmicro.com/

VIN VIN IIN VOUT IOUT VRIPPLE POUT η (VDC) (V) (mA) (V) (mA) (mV) (W) (%)

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12.38 <5mA 5.116 0 3 0

12.3 436 5.14 1000 7 5.14 95.85%

12.2 905 5.18 2000 10 10.36 93.83%

12.15 1145 5.2 2500 11 13 93.45%

12.1 1405 5.22 3000 12.4 15.66 92.11%

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24.35 <3mA 5.12 0 5 0

24.3 235 5.15 1000 10 5.15 90.18%

24.25 465 5.18 2000 12 10.36 91.87%

24.22 582 5.2 2500 14 13 92.22%

24.2 708 5.22 3000 16 15.66 91.40%

30

30.48 <2mA 5.12 0 5 0

30.44 185 5.14 1000 10 5.14 91.27%

30.41 371 5.18 2000 14 10.36 91.83%

30.4 469 5.2 2500 15 13 91.18%

30.37 568 5.23 3000 18 15.69 90.96%

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12

12.45 <10mA 9.06 0 4 0

12.37 380 9.06 500 6 4.53 96.37%

12.3 760 9.08 1000 8 9.08 97.13%

12.22 1160 9.09 1500 10 13.635 96.19%

12.14 1560 9.1 2000 12 18.2 96.10%

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24.44 <8mA 9.06 0 6 0

24.4 205 9.06 500 11 4.53 90.56%

24.36 395 9.08 1000 13 9.08 94.37%

24.33 595 9.1 1500 15 13.65 94.29%

24.28 795 9.11 2000 17 18.22 94.39%

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30.42 <6mA 9.07 0 6.5 0

30.39 166 9.07 500 13 4.535 89.90%

30.36 325 9.09 1000 14 9.09 92.13%

30.33 480 9.1 1500 16 13.65 93.76%

30.29 650 9.11 2000 17 18.22 92.54%

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12

12.46 <10mA 12.03 0 5

12.36 500 12.03 500 8 6.015 97.33%

12.26 1001 12.05 1000 12 12.05 98.19%

12.16 1510 12.05 1500 5 18.075 98.44%

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24.47 <8mA 12.03 0 6 0

24.42 270 12.04 500 10 6.02 91.30%

24.37 530 12.05 1000 14 12.05 93.29%

24.32 790 12.05 1500 18 18.075 94.08%

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30.48 <6mA 12.04 0 8 0

30.44 219 12.04 500 12 6.02 90.30%

30.4 428 12.06 1000 17 12.06 92.69%

30.36 635 12.08 1500 20 18.12 93.99%

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12V output Dropout 160mV/Iout=1.5Ahttp://www.eutechmicro.com/

Dropout测试值：

Vin(V) Vout(V) Loading(mA) Dropout(mV)12 11.99 0 1012 11.91 1000 9012 11.85 1500 160

EUP3468A

备注:1.电压12V输入时可12V电压输出.2.因EUP3468A在100% Duty时,IC内PMOS处于全导通状态,Vin输入会直通到Vout.3.电路中只有PMOS/电感L/限流电阻R3及输入到输出的PCB走线阻抗压降,总阻抗<100mΩ4.目前竞争者产品无直通.

5. QC3.0 OUTPUT 0.2V micro-stepped from 3.6V to 12V

Vin(V) Iout(A) Vout(V)

12.3

0 3.71 3.91 4.11 4.3 4.51 4.7 4.9 5.1 5.3 5.5 5.69 5.89 6.09 6.29 6.48 6.68 6.88 7.08 7.27 7.47 7.67 7.87

0 8.06 8.26 8.46 8.66 8.85 9.05 9.25 9.45 9.65 9.85 10.04 10.24 10.44 10.64 10.83 11.03 11.23 11.4311.63 11.83 12.02

1 3.72 3.92 4.12 4.32 4.53 4.73 4.93 5.13 5.32 5.52 5.72 5.91 6.11 6.31 6.5 6.7 6.9 7.1 7.29 7.49 7.69 7.89

1 8.08 8.28 8.48 8.68 8.88 9.07 9.27 9.47 9.67 9.87 10.07 10.27 10.46 10.66 10.86 11.06 11.26 11.4511.66 11.86 12.05

2 3.75 3.94 4.15 4.35 4.55 4.75 4.95 5.16 5.35 5.55 5.74 5.94 6.14 6.34 6.53 6.73 6.93 7.13 7.32 7.52 7.72 7.92

2 8.11 8.31 8.51 8.71 8.9 9.1 9.3 9.5 9.69 9.89 10.09 10.29 10.49 10.68 10.88 11.08 11.28 11.4811.68 11.88 12.07

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5. QC3.0 to QC2.0

Test conditions:• Output at 2A• Output voltage selected by QC3.0 Interface IC via D+ & D- signals

QC3.0 QC2.0 10

QC3.0 Vout 0.2V递增

QC2.0 Vout 5V/9V/12V切换

QC3.0 Vout 0.2V递减

5. Voltage Transition-A

http://www.eutechmicro.com/Test conditions:• Output at No_Load• Output voltage selected by QC3.0 Interface IC via D+ & D- signals QC2.0

Output: 5V 9V no load11

5. Voltage Transition-B

http://www.eutechmicro.com/

Output: 9V 12V no load

Test conditions:• Output at No_Load• Output voltage selected by QC3.0 Interface IC via D+ & D- signals test QC2.0

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5. Voltage Transition-C


Output: 5V 9V 2A Full load

Test conditions:• Output at 2A (9V Full Load)• Output voltage selected by QC3.0 Interface IC via D+ & D- signals test QC2.0

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5. Voltage Transition-D

http://www.eutechmicro.com/Test conditions:• Output at 1.5A (12V Full Load)• Output voltage selected by QC3.0 Interface IC via D+ & D- signals test QC2.0

Output: 9V 12V 1.5A Full load

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6. Output Settling to 5V

http://www.eutechmicro.com/Test conditions:• Output at 9V@ 2A and Switch to 5V@ 0A• Output voltage selected by QC3.0 Interface IC via D+ & D- signals, then unplug the USB• Total Output capacitance is 330uF

Vin:12V Vin:24V

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6. Output Settling to 5V

http://www.eutechmicro.com/Test conditions:• Output at 12V@ 1.5A and Switch to 5V@ 0A• Output voltage selected by QC3.0 Interface IC via D+ & D- signals, then unplug the USB• Total Output capacitance is 330uF

Vin:12V Vin:24V

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7. Product Specification http://www.eutechmicro.com/

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8. QC 3.0 Test Setup (HVDCP Simulator with E-Load)


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E-Load

QC3.0 simulator QC3.0 Car charger

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engineering test report · 2015-12-08 · • output at 12v@ 1.5a and switch to 5v@ 0a • output...

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