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18

DEMO MANUAL 

DC2155A-A/DC2155A-B

Rev. C

SCHEMATIC DIAGRAM

Figure 15a. DC2155A-A Demo Circuit Schematic, Sheet 1

5

5

4

4

3

3

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1

Summary of Contents for ANALOG DEVICES DC2155A-A

Page 1: ...t the need for any serial bus communication This allows easy evaluation PERFORMANCE SUMMARY of the DC DC converter aspects of the LTC3886 To fully explore the extensive power system management feature...

Page 2: ...output 3 Make sure both RUN switches SW1 SW2 are OFF 4 Turn on the power at the input NOTE Make sure that the input voltage does not exceed 54V 5 Turn on both SW1 for RUN0 and SW2 for RUN1 switches as...

Page 3: ...L DC2155A A DC2155A B Rev C Figure 1 Test Setup for DC2155A A DC2155 F01 DC1613A CONNECTOR VOUT0 LOAD SHUNT VOUT1 LOAD SHUNT RUN1 SWITCH 2 RUN0 SWITCH 1 12A MAX 12A MAX POWER SUPPLY 1m SHUNT QUICK STA...

Page 4: ...L DC2155A A DC2155A B Rev C QUICK START PROCEDURE Figure 2 Test Setup for DC2155A B DC2155 F01 POWER SUPPLY 1m SHUNT DC1613A CONNECTOR VOUT0 LOAD SHUNT VOUT1 LOAD SHUNT RUN1 SWITCH 2 RUN0 SWITCH 1 36A...

Page 5: ...et points OV UV limits temperature fault limits sequencing parameters the fault log fault responses GPIO and other functionality The DC1613A dongle may be plugged in regardless of whether or not VIN i...

Page 6: ...Measure VOUT across the output ceramic capacitor C10 Measuring Output Ripple Voltage An accurate ripple measurement may be performed by using the below configuration across C10 C26 VOUT GND COUT a DC2...

Page 7: ...P 0A TO 6A AT 6A s DEFAULT SET UP VOUT 2OOmV DIV IOUT 5A DIV DC2155 F08b OA TO 6A VO_P P 438mV a DC2155A A Load Step Response 12VOUT b DC2155A A Load Step Response 5VOUT Figure 7 DC2155A B Efficiency...

Page 8: ...O FORCED AIRFLOW DEFAULT SET UP DC2155 F10 BOTTOM VIEW QUICK START PROCEDURE Figure 9 DC2155A A Output Ripple Voltages Figure 10 DC2155A A Thermal Performance 10 s DIV VIN 32V VOUT0 12V AT 12A VOUT1 5...

Page 9: ...F12 VIN 32V VOUT0 VOUT1 12V AT 48A fSW 150kHz DEFAULT SET UP 20MHz BWL VO_P P 20mV QUICK START PROCEDURE Figure 12 DC2155A B Output Ripple Voltages Figure 11 DC2155A B Load Step Response VIN 32V Figu...

Page 10: ...nted diag nostic and debug features It becomes a valuable diag nostic tool during board bring up to program or tweak the power management scheme in a system or to diagnose power issues when bringing u...

Page 11: ...read the RAM from the LTC3886 This reads the configura tion from the RAM of LTC3886 and loads it into the GUI d If you want to change the output voltage to a differ ent value like 10V in the Config ta...

Page 12: ...1210 100 F 20 10V X5R MURATA GRM32ER61A107ME20L 18 1 C81 CAP 0603 220pF 10 50V X7R AVX 06035C221KAT2A 19 2 C82 C83 CAP 0603 10nF 10 25V X7R AVX 06033C103KAT2A 20 2 C84 C101 CAP 0603 100nF 20 16V X7R...

Page 13: ...4 7 1 0 125W VISHAY CRCW08054R70FKEA 53 1 R151 RES 0603 1M 5 1 10W VISHAY CRCW06031M00JNEA 54 1 R152 RES 0603 681k 1 1 10W VISHAY CRCW0603681KFKEA 55 1 R153 RES 0603 3 3 1 1 10W VISHAY CRCW06033R30FKE...

Page 14: ...R111 R116 R117 R118 R121 R130 R131 R144 R145 R147 R148 R169 R173 R174 RES 0603 OPTION OPTION 16 0 R58 R70 RES 2010 OPTION OPTION 17 0 R90 R92 R94 R95 RES 0805 OPTION OPTION 18 0 R107 RES 1206 OPTION O...

Page 15: ...0V C0G AVX 06035A100JAT2A 15 2 C70 C103 CAP 0805 2 2 F 10 16V X7R AVX 0805YC225KAT2A 16 1 C72 CAP 0603 47nF 10 25V X7R AVX 06033C473KAT2A 17 1 C76 CAP 0603 0 1 F 10 25V X7R AVX 06033C104KAT2A 18 1 C78...

Page 16: ...49 1 R93 RES 0603 127 1 1 10W VISHAY CRCW0603127RFKEA 50 1 R99 RES 0603 220k 5 1 10W VISHAY CRCW0603220KJNEA 51 2 R114 R115 RES 0603 10 5 1 10W VISHAY CRCW060310R0JNEA 52 2 R119 R120 RES 0603 4 99k 1...

Page 17: ...7 R79 R82 R83 R97 R100 R101 R102 R103 R104 R105 R108 R110 R111 R116 R117 R144 R145 R147 R169 RES 0603 OPTION OPTION 12 0 R90 R92 R94 R95 RES 0805 OPTION OPTION 13 0 R107 RES 1206 OPTION OPTION Hardwar...

Page 18: ...SKU NO IC NO ANALOG DEVICES HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER SUPPLIED SPECIFICATIONS HOWEVER IT REMAINS THE CUSTOMER S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERAT...

Page 19: ...AGE DUAL STEP DOWN DC DC CONVERTER DC2155A A 710 DC2155A A_REV05 N A WITH POWER SYSTEM MANAGEMENT Monday September 09 2019 DATE SHEET OF TITLE SCHEMATIC APPROVALS PCB DES APP ENG SIZE SCHEMATIC NO AND...

Page 20: ...R ASSISTANCE 3 4 M I G L LTC3886IUKG HIGH VOLTAGE DUAL STEP DOWN DC DC CONVERTER DC2155A A 710 DC2155A A_REV05 N A WITH POWER SYSTEM MANAGEMENT Monday September 09 2019 DATE SHEET OF TITLE SCHEMATIC A...

Page 21: ...IFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY CONTACT ANALOG DEVICES APPLICATIONS ENGINEERING FOR ASSISTANCE 4 4 M I G L LTC3886IUKG HIGH VOLTAGE DUAL STEP DOWN DC DC CONVERTER DC2155A A 710 DC2...

Page 22: ...DEVICES PARTS www analog com SKU NO IC NO ANALOG DEVICES HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER SUPPLIED SPECIFICATIONS HOWEVER IT REMAINS THE CUSTOMER S RESPONSIBILITY TO VERI...

Page 23: ...DC2155A B 710 DC2155A B_REV05 N A WITH POWER SYSTEM MANAGEMENT Monday September 09 2019 DATE SHEET OF TITLE SCHEMATIC APPROVALS PCB DES APP ENG SIZE SCHEMATIC NO AND REVISION CUSTOMER NOTICE THIS CIRC...

Page 24: ...NG FOR ASSISTANCE 3 4 M I G L LTC3886IUKG HIGH VOLTAGE DUAL STEP DOWN DC DC CONVERTER DC2155A B 710 DC2155A B_REV05 N A WITH POWER SYSTEM MANAGEMENT Monday September 09 2019 DATE SHEET OF TITLE SCHEMA...

Page 25: ...IED SPECIFICATIONS HOWEVER IT REMAINS THE CUSTOMER S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIF...

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