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Active-semi ACT8865EVK1-305, User Manual, Page: 7 / 17

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Active-semi ACT8865EVK1-305 User Manual Download Page 7

UG109 

Rev 3.0, 25-Sep-2018

 

Innovative Power

TM

 

ActiveSwitcher

TM

 is a trademark of Active-Semi. 

7 

40ms/div

OUT1

OUT2

nPBIN

nRSTO

2V/div

1V/div

5V/div

5V/div

Press S1 for less than 130ms

OUT1

OUT2

nPBIN

nRSTO

100ms/div

2V/div

1V/div

5V/div

5V/div

Press S1 for more than 130ms

PWREN is always High

OUT1

100ms/div

2V/div

1V/div

5V/div

5V/div

Press S1 for more than 130ms

PWREN is always Low

OUT2

nPBIN

nRSTO

nRSTO

nPBSTAT

nPBIN

5V/div

5V/div

5V/div

40ms/div

Press S2 nPBIN Resistor=51kOhm

Summary of Contents for ACT8865EVK1-305

Page 1: ...ct the EVK kit to a PC with Active Semi s USB TO I2C interface dongle and use the GUI software The EVK provides full access to the each converter s input and output voltage as well as all the digital...

Page 2: ...ipment ACT8865EVK1 305 USB TO I2C Dongle Power supply 5V 3A for full power operation Oscilloscope 100MHz 4 channels Loads Electronic or resistive 2A minimum current capability Digital Multimeters DMM...

Page 3: ...t the USB TO I2C dongle to the EVK J13 connector Refer to Figure 3 to ensure the correct polarity of the connection As a guide use the Active Semi logo on the top of the dongle so the black wire is co...

Page 4: ...LDO REG4 load current 0 32 A Iout5_max Maximum LDO REG5 load current 0 32 A Iout6_max Maximum LDO REG6 load current OFF A Iout7_max Maximum LDO REG7 load current OFF A EVK Operation Measuring Output...

Page 5: ...ad transient response is the same as that of testing output voltage ripple Measuring Efficiency The Efficiency is measured by comparing the input power with the output power Measure the input and outp...

Page 6: ...20mV div 1A div 400us div Load Transient OUT1 1 8V Iout 0A 1 15A Load Transient OUT2 1 2V Iout 0A 1 15A OUT2 IOUT2 20mV div 1A div 400us div OUT3 IOUT3 400us div 50mV div 1A div Load Transient OUT3 3...

Page 7: ...v 5V div 5V div PressS1 for lessthan 130ms OUT1 OUT2 nPBIN nRSTO 100ms div 2V div 1V div 5V div 5V div Press S1 for morethan130ms PWREN is always High OUT1 100ms div 2V div 1V div 5V div 5V div Press...

Page 8: ...V 47nF C9 6 3V 2 2 F C4 6 3V 2 2 F C5 6 3V 22 F C6 6 3V 22 F C7 6 3V 22 F C8 6 3V 3 3 F C10 6 3V 3 3 F C11 6 3V 3 3 F C12 6 3V 3 3 F C13 1 5uH L2 1 5uH L1 TP15 TP1 TP2 TP3 TP4 TP5 TP6 TP7 TP8 TP9 TP10...

Page 9: ...UG109 Rev 3 0 25 Sep 2018 Innovative PowerTM ActiveSwitcherTM is a trademark of Active Semi 9 Layout Figure 5 Layout Assembly Layer...

Page 10: ...UG109 Rev 3 0 25 Sep 2018 Innovative PowerTM ActiveSwitcherTM is a trademark of Active Semi 10 Figure 6 Layout Top Layer...

Page 11: ...UG109 Rev 3 0 25 Sep 2018 Innovative PowerTM ActiveSwitcherTM is a trademark of Active Semi 11 Figure 7 Layout Layer 2...

Page 12: ...UG109 Rev 3 0 25 Sep 2018 Innovative PowerTM ActiveSwitcherTM is a trademark of Active Semi 12 Figure 7 Layout Layer 3...

Page 13: ...UG109 Rev 3 0 25 Sep 2018 Innovative PowerTM ActiveSwitcherTM is a trademark of Active Semi 13 Figure 8 Layout Bottom Layer...

Page 14: ...J10 J11 J14 J15 J16 J17 15 Header 2 pin 100mil Wurth El ektronik 61300211119 8 J12 J13 2 Header 3 pin 100mil Wurth El ektronik 61300211120 9 L1 L2 L3 3 Wurth inductor 1 5uH 4mmx4mmx 3 8mm Wurth El ek...

Page 15: ...to start the ACT8865 GUI GUI Overview The GUI has 2 basic function buttons allocated in top left of the Tool Bar which are Read and Write I2C The GUI contains 2 setting modes Basic Mode and Advanced M...

Page 16: ...ures can be selected using the button text In the left side of the Advanced Mode Screen click on the Tiles Selector to display the register to view or change Then change a register one bit at a time b...

Page 17: ...sters after making changes to them Immediately reading the registers after a write confirms the changes were properly stored Read Button Write Clicking on this button writes the GUI settings to the AC...

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