Delta Electronics IPM- C Series User's Manual
Contents
1. Appendix A Evaluation Board Schematic ae ae ees a ara St y Yy Appendix C Evaluation Board Layout Bottom View Aenea OO OC lt ri ap LI i Onee CONTACT www delta comiwidede red b ute ha att wt Tate peer seen a cane Fey scant Drove at aon fet aoe Const E88 335 8208 eee e Fax 978 898 3804 Emar poceaeta es com Deocmosnacon Emal peocedets cor com WARRANTY Deli offers a two 2 year imit request rom Deta waranty Complete warranty information is listed on our web site or is available upon Information furs by Deta is believed to be accurate and reliable However no responsibly is assumed by Deita for its use nar far any infingements af patents or other nights of third partes which may resu from iia use No eens fs granted by impicaton or otherwise under any patent ar patent rights of Dalia Delia reserves the right to revise Inese specications at any ime without note2. 6 Connect a coaxial cable trom channel 2 to BNC2 on the Evaluation Board T Set the Time base to SmS Div 8 Set the Trigger mode to normal tigger and set the Triger level at approximately 2V rising or suitable tigger point referring to data sheet on channel 2 9 Tum on off Enable switch SW1 and use the cursor V Bars of Scope to measure the delay time and then record the waveform on the oscilloscope 8 4 Thermal Characteristic 8 4 1 Efficiency Efficiency is the ratio of total output power to the input power Itis typically measured at full load and nominal input voltage Test 1 Tum on the fan 2 Set the enable switch SW1 to the OFF position to enable the converter 3 Adjust the input voltage to the desired operating point 44 Set the electronic or resistive Load to the desired operating point 5 Read and note the output voltage DMM3 and input voltage DMM2 6 Read and note the input and output currents from the DMM1 and the elecironie load 7 Use the following formulas to calculate the efficiency For IPM12C series The following graph shows the efficiency results ofthe IPMT2COAOROAA converter measured at diferent operating points the output vollage was set at 5V For IPMOaC series Lon a The following graph shows the efficiency results of the IPMOACOAOROGA converter measured at different operating points the output voltage was set at 33V EFFICIENDY
3. is a diference in performance in each mode please refer to the data sheet for the detailed specification Test Turn on the module by using the external switch 41 Tumon the fan 2 Tum on the input power supply and set it the desired operating oink 3 Sel channel 1 on the oseilascope to be DC coupled and tothe appropriate range for the input volage 4 Connect a coaxial cabia rom channel 1 to BNC on the Evaluation Board 5 Sel channel 2 on the osciloscope to be DC coupled and to the appropriate range for the output volage 5 Connect a coaial cable fom channel 2 to BNC2 on the Evaluation Board 7 Set e Tine base to SmS Div 8 Sel tne Trigger mode to normal tigger and sat the Trigger level at approximately 2V rising or suitable tigger point refering fo data sheet on channel 2 9 Tum on the extemal swich to supply power source to modula and use the cursar V Bars ot Scope to measure the delay ime and then racord the waveform on the osciloscope est Turn on the module by using the Enable on off 1 Tum on the fan 2 Tum on the input power supply and set it to the desired operating point 3 Sel channel 1 on the osciloscope to be DC coupled and to TVidivision Refer to data sheet 4 Connect a scope probe from channel 1 between the on off control pin and reference ground SGND on the Evaluation Board m 5 Set channel 2 on the oscilascape la be DC coupled and to the appropriate range for the output voltage
4. leads at least equivalent to 14 AWG for all connections in sections 4 1 and 4 2 4 3 Connect the plus and minus connection leads Irom a second multimeter to the SVin and SVin Pins on the Evaluation Board This multimeter is designated DMM2 to measure the input voltage 44 Connect the plus and minus connection leads from the third multimeter to the SVout and SVout Pin on the Evaluation Board The multimeter is designated DMM3 DMM3 is used ta measure the output voltage 4 5 Connect a BNC cable length less than 20 inches 500mm from BNC1 of the Evaluation Board 1o Channel 1 of the osciloscope item 3 2 This cable is used to measure the input voltage between SVin and SVin 4 6 Connect a BNC cable length less than 20 inches S00mm from BNC2 of the Evaluation Board 1o Channel 2 of the oscilloscope This cable is used to measure the output voltage between SVout and SVout 4 7 Connect the positive and negative power leads of the electronic load ensuring corract polarity or an appropriate resistive load to the Evaluation Board output terminal pin Vout for positive power lead and Vout for the negative power lead 4 8 For IPMO4C series Open J2 on the Evaluation Board Connect one lead trom the lead af the power supply to the 12Vcc on the Evaluation Board Then connect one lead from the of the power supply to the 12VGND on the Evaluation Board For IPM120 short J2 on the Evaluat
5. output load current The output voltage deviation is characterized by two parameters Maximum Output Voltage Deviation and Response Time please refer to the dala sheet for the detailed specification The value of dynamic resistance for a defined step current is defined as Vout ae S5 a Test 1 Tumon the fan 2 Adjust the input voltage to the desired operating point 3 Set the electronic or resistive load at 50 of maximum load 4 Change channel 1 to scope probe and measure across the Ru 5 Set the switch SW1 to the OFF position to enable the converter 8 Set channel 2 on the oscilloscope to be AC coupled and to SOmVIDW and for 50uS Div Set wy the rigger to auto and adjust the trigger point at a negative going pulse for step load change from 50 to 100 of lo or adjust the trigger point at postive going pulse for step load change from 100 to 50 Please refer to data sheet 1 7 Measure the Peak deviation and capture the waveform as required 8 3 2 Turn On Transient Time Tum On Response Time is defined as the time i takes for the output to rise to within 90 of ts final value fram the time when the converter is enabled The rise time is deliberately made slower to reduce the inrush current and to eliminate any overshoot in the output voltage These test functions have two categories 1 Tum on the module by using the External switch to control input voltage 2 Tum on modula by using the Enable on off Note There
6. 5Vin The IPM12C Series DC DC converters wil operate at ful load from amp Vin to 14Vin for 12Vin nominal types The Converters feature input undervoltage protection which will not allow the converter to start up unless the input voltage exceeds the turn on voltage threshold Test 1 Tum on the fan 2 Set the input voltage to the desired operating point while monitoring DMM2 3 Set the switch SW1 to the OFF position to enable the converter 4 Test the input under voltage function while observing DMM2 DMM3 and channel 1 af the oscilloscope Increase the input voltage unti the output of the converter reaches the appropriate value This wil occur between 2 40 and 2 70 volts for IPMO4C modules and between 7 6 to 8 0 valts for IPM12C modules Please refer to the appropriate converter dala sheet fr the detailed specification 8 1 2 No Load Input Current Test 1 Tur on the fan 2 Set the input voltage to the desired operating point while monitoring DMM2 3 Set the switch SW1 to the OFF position to enable the converter 4 Remaveidisable the output electronic load or resistive load 5 Note the input curent fram DMM 6 The result is the No Load Input current of the DCIDC converter The No Load Input Current wil be around 20 to B5mA for the IPM12C series and around 20 to 7OmA for the IPMO4C series depending on the model under evaluation Please Tafer lo the data sheet lor the detailed specification y 8 2 Outp
7. O4A Please refer to the IPMR table for the desired Vout The value of Ryim sonn Can be calculated by the following equation and the datasheet can also be refered fr further information IPMR Ririm values versus some commonly used Vout for IPMt2COADROAA Vout Ruin 0 800 509K 0300 Open 10 372K 12 122K 15 538K m 390K 25 208K a3 130K 50 653 For IPMO4C sere To implement Trim up by using an extemal resistor Rvm up must ba connected between the TRIM pin and ground For IPMO4COAOROGA Please reler to the IPMR table for the desired Vout The value of Rvm up can be calculated by the following equation and the datasheet can also be referred for further information 10 R 0 187 ka EE To implement Trim down by using an extemal resistor Ryn down Must be connected between the TRIM pin and Vout For IPMO4COAOROBA Please refer to the IPMR tabla for the desired Vout The value of Ryin dosn can be calculated by the following equation and the datasheet can also be refered fr further information 20 on T kL P9 Voul IPMA Rim values versus some commonly used Vout for IPMO4COADROSA Toa im m EGEA as Open 72 uK T5 TAK TE 75K z5 TIEK 33 272K Test 41 Turn on the fan 2 Adjust the input voltage while monitoring DMM2 and with output load set to the desired operating point 3 Set the enable switch SW to the OFF positio
8. and BA for the modal IPMOACOAOROEA series Ensure tho output lead does not exceed th recommended maximum current SW is used to enable or disable the converter Tum SW1 to the OFF positon to enable the converter and tum SW1 to the ON position to disable the converter SW2 is used for On Off Transient function test Tum SW2 to the OFF position if this function is not being used Turn SW2 to the ON positon i the Transient function test is require 8 n 8 SWS is used for the rim down or trim up seting of the Output Voltage For IPM if the converter requires a trim up set SW3 tothe Trim up position If the converter requires a trim down set SW3 to the Trim dawn positon For normal operating tur off the SW3 SW4 and SWS are used for the Output Voltage Set Point Adjustment by external resistors For IPMT2COADRO4A if the converter requires a trim up to SV set the SW4_1 to ON position and SW3 to tim up position If the converter requires a trim dawn to 0 8V set the SW5_B to ON position and SWS to trim down position For constant output voltage module If the converter requires a tim up set the SW4_2 to ON position and SW3 to trim up position I the converter requires a tim down set the SW5_8 to ON position and SW3 to trim down position Please refer to the Function Tables below for the setting detalis Swa Function Table sudida switch NO For adjusiaBie cupu Forcon SWS Func
9. ion Board 5 0 Thermal Management of the Converter It is imperative that sufficient aitlow should be provided ta the converter at all times during all portions of testing Please refer to the applicative data sheet for the proper cooling and darating necessary to achieve accurate results when testing the converter iw 6 0 Tests Performed The following tests are performed at room temperature 25 C 6 1 Input Characteristics Input Voltage Range Under Voltage Lockout No Load Input Current 6 2 Output Characteristics Line Regulation Load Regulation Qutput Regulation Output Voltage SetPoint Adjustment Range 6 3 Dynamic Characteristics Maximum Output Voltage Deviation due to stap change in load Tum on Response time 6 4 Thermal Characteristic Efficiency 7 0 Test Set Up 7 1 Initial Set Up o 2 3 4 8 Examine the part number of the power module to determine that the correct module is boing evaluated Note IPMt2COAQSO4A and IPMO4COAQSOGA would denote the SMT package while PMI2COAORO4A and IPMOSCOADROGA would denote the SIP package This Evaluation Board can be used for both packages Set multimeter DMM1 to the DC current 20A range Set multmeters DMM2 and DMM3 t0 DC voltage auto ranging Electronic Load Tur on the Electronic Load or resistive load and adjust the current level The maximum rated output current is 4A for the model IPMT2COAOROAA series
10. n to enable converter 4 Use SW3 SW4 and SWS refer to item 7 1_7 for Trim setup 5 Note the voltage by observing DMMB 6 Test the Load Regulation refer to tem 8 2 2 2 Output Voltage Set Point Adjustment by using an external voltage source For IPM12C series Output voltage of IPM12C Is programmable while applying a voltage beween the TRIM and GND pins The folowing equation can be used to determine the value of Viim eeded for a desired output voltage Vo Viim 7439 0 0488V0 Virim is the extemal voltage in V Vo is the desired output veltage For example to program the output voltage of a IPM module ta 3 3 V c Virim is calculated as follows Viim 0 7439 0 0488 x 3 3 0 5829V For IPMO4C series Output voltage of IPMO4C Is programmable while applying a voltage between the TRIM and GND pins The folowing equation can be used to determine the value of Viim heeded for a desired output voltage Vo Viim T168 0 0187Vo Virim is the extemal voltage in V Vo is the desired output voltage For example to program the output voltage of a IPM module to 3 3 V e Viim is calculated as follows Viim 0 7168 0 0187 x3 3 o essv wo Figure 2 Configuration for programming output vollage using an external voltage source y 8 3 Dynamic Characteristics 8 3 1 Output Voltage Deviation Output Voltage Deviation is defined as the response of the converter to a sudden step change In the
11. red in terms of peak to peak and RMS values both done with a specific bandwidth Test 1 Tum on the fan 2 Set the switch SW1 to the OFF position to enable tha converter 3 Adjust the input voltage while monitoring DMM2 and set the output load to the full rated load current 4 Adjust channel 2 on the oscilloscope to be AC coupled at 1S Div and 10mV DW using the 20 MHz bandwidth imit option on the scope 5 The output ripple of the DCIDC converter is measured at full load operating power 8 2 4 Output Voltage Set Poi Adjustment Range Trim Output Voltage SetPoint Adjustment can be carried out by using an extemal resistor or extemal voltage source lo increase or decrease the output voltage set point please refer 10 the data sheet for the detailed specification Rafer all tim voltage requirements to ltem 7 16 7 4 7 7 4 8 and refer ali the design numbers to Evaluation Board Schematic 1 Output Voltage Set Point Adjustment by using an external resistor For IPM12C series To implement Trim up by using an extemal resistor Rvi up must be connected between the TRIM pin and ground For IPMI12COAORO4A Please refer to the IPM table for the desired Vout The value of Rijmup can be calculated by the folowing equation and the datasheet can also be referred for further information 3152 0261 40 To implement Tim down by using an extemal resistor Ryen soun Must be connected between the TRIM pin and Vout For IPM12C0AQR
12. tion Table module module EZS EOV seting SOV wim up Swa 2 IN seling AN vim up swag SE ZSV rim up EEJ TEV seling TEV tim up Swa 5 TEV seling 15V timup Swa E EL TAV timup Swa T TAV seting TOV tim up SWA E 0 88V setting DN vim up Note Satings oT SWA_ and SWAT are Tor TPMT 2C series only Bubdivide switch NO For adjustable output For constant ouput module module Sws z EOV tim down Sws 2 33V tim down Sws 3 z 25V irim down SWS 4 5 LAV tim down Sws 5 z TSV tim down Sws 6 3 TAV tim down SWS 7 7 TOV tim down Swe TOV seting TV iim down 7 2 Initial Power Up 1 Tum the power supply ON set the current limit on power supply refer to specification of either converter and increase the input voltage use DMM2 to monitor the voltage until it saches the desired value 2 Set the switch SW1 to OFF positon to enable the power module 3 The converter is now operating which can be verified by observing the DMM3 appropriate alue for the nominal output voltage and channel 2 of the oscilloscope appropriate value for the nominal output voltage 4 Set the switch SW1 to the ON postion after performing each test 8 0 Tests and Evaluation 8 1 Input Characteristics 8 1 1 Input Voltage Range and Under Voltage Lockout The IPMO4C Series of DC DC converters wil operate at tull load from 3 0Vin to 8Vin For the output of 3 3V the input voltage range is from 4 0Vin to 5
13. uation Power Module Evaluation Board Schematic Power Module Evaluation Board Layout General Test and Safety Procedures A ELTA 3 0 Equipment Required DC Power Supply 0 20 V 0 20A Agilent 6574A 0 60V 0 35A or equivalent Osciloscope Tektronix TDS 460A or equivalent 4 Channel 400 MHz equipped with a x1 scope probe a x10 scope probe and two BNC cables length less than 20 nches 500mm Digital multimeters one with 20A range and ideally all with 4 1 2 digit resolution OVMt DVM2 and DVM Zentech 2041 or equivalent Electronic load Chroma 63030 or equivalent 300W approx rating or a suitable resistive load DC power supply GW GPC 30600 or equivalent 4 0 Equipment Set Up and Description Please refer to the Power Module Evaluation Board Layout se cited in this document and Figure 1 is the Set up Diagram page 15 for reference designators alibi BO IP ay ToBlecrical To Lead of DC o Mi wo ea mons a CTRA Se Figure 1 Set up Diagram Vv 4 1 Connect one lead from the lead of the power supply to the 20A terminal of the first multimeter DMM Then connect ane lead fram the Common of the DMM1 to the Vin pin of the Evaluation Board Set function of DMM1 to DCA to measure the input current 4 2 Connect one wire from the lead of the power supply hem 3 1 to the Vin pin of the Evaluation Board Note Use stranded
14. ut Characteristics 8 2 1 Line Regulation Line Regulation Deviation is defined as the change in output voltage caused by varying the input voltage over a specified range while the output load and temperature remain constant Test 1 Tum on the fan 2 Sat the output power to the desired operating point 3 Sat the swich SW1 to the OFF position to enable the converter 4 Adjust the input voltage across the canverter s input range refer to specified range while monitoring DMM2 5 Note the maximum 4 deviation of the output voltage over the full range of the input operating voltage please refer to the data sheet for the detailed specification 8 2 2 Load Regulation Load Regulation Deviation is defined as the changes in output voltage caused by varying the output load current over the specified range no load to full load wile the input voltage and temperature remain constant Test 1 Tum on the fan 2 Set the input voltage to the desired operating level while manitoring DMM2 3 Set the switch SW1 to the OFF position to enable the converter 4 Adjust the output load across the converter s operating load range 5 Note the maximum deviation of the output voltage over the full range of the operating Toad range please refer to the data sheet for the delaied specification 8 2 3 Output Ripple Output Ripple is defined as the periodie AC component on the DC DC converter s output voltage The output ripple is measu
15. y Evaluation Procedure DEP 003 The IPM C Se POL converters The IPM Series single output non solated point of load DC DC converters are the latest offering from a world leader in power systems technology and manufacturing Delta Electronics inc They operate from a 3V 5 5V IPM04C or an 8V 14V IPM12C Source and provide a programmable output voltage of 0 8V to 3 3V IPMO4C or O 8V to SV IPM12C With creative design technology and optimization of component placement these converters possess outstanding electrical and thermal performance as well as offering extremely high reliability under highly stressful operating conditions All models are protected against abnormal Inpuvoutput voltage and current conditions This document guides the user through the evaluation procedure to qualify a POL module The data shown in this Evaluation Procedure is for the SIP and SMT Package Type POL evaluation board Please refer to the appropriate technical data sheet for detailed performance and technical information for the specific POL units M Serie aA 1 0Purpose This document guides the user in performing electronic measurements on an IPM POL point ot load DCDC converter using the Delia Evaluation Board 2 0 Relevant Documentation The documentation and background information listed below is relevant to ihis evaluation procedure Applicative date sheets for IPM Series unit under eval
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