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MaxLinear MxL7213, User Manual

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MaxLinear MxL7213 User Manual Download Page 3

MxL7213 13A Dual Phase EVB User Manual 

Table of Contents

10/15/20

000UMR05

iii

Table of Contents

Introduction......................................................................................................................................................... 1

Quick EVB Set Up and Start Up....................................................................................................................................1

Factory Settings ...................................................................................................................................................1
Quick Start Up ......................................................................................................................................................1

Reference Documentation ................................................................................................................................. 4
Ordering Information.......................................................................................................................................... 4
Evaluation Board Overview ............................................................................................................................... 5
Configuration and I/O Interfaces....................................................................................................................... 6

MODE............................................................................................................................................................................6
RUN1, RUN2.................................................................................................................................................................6
TRACK1 SEL, TRACK2 SEL ........................................................................................................................................6
PHASMD .......................................................................................................................................................................6
EXTVCC........................................................................................................................................................................6
TEMP ............................................................................................................................................................................6
PGOOD1, PGOOD2......................................................................................................................................................6
SW1, SW2.....................................................................................................................................................................6

Set-Up Options.................................................................................................................................................... 7

Jumper J44 MODE........................................................................................................................................................7
Jumpers J30 RUN1 and J29 RUN2...............................................................................................................................7
Jumper J26 TRACK1 SEL.............................................................................................................................................7
Jumper J25 TRACK2 SEL.............................................................................................................................................8
Jumper J45 PHASMD ...................................................................................................................................................8

Test Interfaces..................................................................................................................................................... 9

Load Transient Circuit ...................................................................................................................................................9
MxL7213 EVB Mode Selection....................................................................................................................................10

Performance...................................................................................................................................................... 12

Efficiency .....................................................................................................................................................................12
Load Transient Response ...........................................................................................................................................13
Output Ripple ..............................................................................................................................................................14

MxL7213EVB Schematic .................................................................................................................................. 15
MxL7213EVB PCB Layers................................................................................................................................ 18
MxL7213EVB Bill of Materials.......................................................................................................................... 20

Summary of Contents for MxL7213

Page 1: ...MaxLinear Confidential TBD 18 000UMR05 i www maxlinear com 000UMR05 MxL7213 13A Dual Phase EVB User Manual...

Page 2: ...0UMR02 4 23 19 Initial Release 000UMR03 8 29 19 References changed to reflect board revision Added EVB Mode Selection section 000UMR04 9 19 19 Update BOM and ordering information 000UMR05 10 15 20 Upd...

Page 3: ...I O Interfaces 6 MODE 6 RUN1 RUN2 6 TRACK1 SEL TRACK2 SEL 6 PHASMD 6 EXTVCC 6 TEMP 6 PGOOD1 PGOOD2 6 SW1 SW2 6 Set Up Options 7 Jumper J44 MODE 7 Jumpers J30 RUN1 and J29 RUN2 7 Jumper J26 TRACK1 SEL...

Page 4: ...Ch 2 Disabled 12 Figure 12 Channel 2 Measured Efficiency VOUT 5 0V fSW 750kHz Ch 1 Disabled 12 Figure 13 Channel 1 Load Transient Response VOUT 3 3V VIN 12V 13 Figure 14 Channel 2 Load Transient Resp...

Page 5: ...ables Table 1 Evaluation Board Ordering Part Number 4 Table 2 Factory Settings 7 Table 3 J44 Options 7 Table 4 J30 J29 Options 7 Table 5 J26 Options 7 Table 6 J25 Options 8 Table 7 J45 Options 8 Table...

Page 6: ...steps and see Set Up Options for more 2 Connect a turned off power supply that is within a VIN specification of 4 5V to 16V 12V typical to VIN and GND with short thick leads Use test pins VIN and VIN...

Page 7: ...MxL7213 13A Dual Phase EVB User Manual Quick EVB Set Up and Start Up 10 15 20 000UMR05 2 Figure 1 Monitoring VIN and VOUT A VIN V V Load Load A A V VOUT2 VOUT1 VIN...

Page 8: ...MxL7213 13A Dual Phase EVB User Manual Quick EVB Set Up and Start Up 10 15 20 000UMR05 3 Figure 2 Top View of MxL7213 13A Dual Phase EVB...

Page 9: ...nt calculations This manual is meant to be used in conjunction with the datasheet This manual provides EVB schematics PCB layout and bill of materials that can be utilized to assist in your board desi...

Page 10: ...RUN pins Figure 3 Block Diagram MxL7213 Two Channel EVB VOUT1 VOUT2 RUN2 TRACK2 MODE RUN1 TRACK1 VIN TRACK1 SELECT JUMPER J26 RUN1 SELECT JUMPER J30 MODE SELECT JUMPER J44 TRACK2 SELECT JUMPER J25 RU...

Page 11: ...s are allocated for probing of TRACK1 J26 and TRACK2 J25 PHASMD A CLKOUT J45 jumper is provided for clock phase selection 60 90 or 120 degrees of phase offset is configurable EXTVCC An EXTVCC test poi...

Page 12: ...4 FCM J30 RUN1 Jumper 1 2 On J29 RUN2 Jumper 1 2 On J26 TRACK1 Jumper 5 6 Soft Start J25 TRACK2 Jumper 5 6 Soft Start J45 PHASEMD No Jumper 90 Table 3 J44 Options Jumper Options Description Jumper 1 2...

Page 13: ...TRACK2 SEL Jumper J45 PHASMD Table 6 J25 Options Jumper Options Description Jumper 1 2 VOUT1 master track mode Jumper 3 4 External master track mode Jumper 5 6 Soft start Track1 connected to cap to G...

Page 14: ...pulate R57 and apply a small duty cycle pulse signal to IOSTEP CLK input 1 Adjust the amplitude of the IOSTEP CLK pulse to set the load current Start at a pulse amplitude of 2V and increase while moni...

Page 15: ...on Mode Selection Pin Function Component Mode 1 Dual Rail Single Phase Diff Amp NC Mode 2 Dual Rail Single Phase Diff Amp VOUT1 Mode 3 Dual Rail Single Phase Diff Amp VOUT2 Mode 4 Single Rail Dual Pha...

Page 16: ...gram R3 R2 R4 R9 R8 R42 VOUT1 VOUT2 VOUT1 VOUT2 VOUT1 VOUTS1 DIFFP DIFFN DIFFOUT VOUT2 VOUTS2 R40 R55 VOUT1_13A VOUT2_13A MODE3 Dual Rail SinglePhase Diff Amp VOUT2 R3 R2 R4 R9 R8 VOUT1 VOUT2 VOUT1 VO...

Page 17: ...z Ch 2 Disabled Figure 12 Channel 2 Measured Efficiency VOUT 5 0V fSW 750kHz Ch 1 Disabled 75 80 85 90 95 100 0 1 2 3 4 5 6 7 8 9 10 11 12 13 Efficiency Load Current A VIN 5 5V VOUT 3 3V VIN 12V VOUT...

Page 18: ...000UMR05 13 Load Transient Response Figure 13 Channel 1 Load Transient Response VOUT 3 3V VIN 12V Figure 14 Channel 2 Load Transient Response VOUT 5 0V VIN 12V 6 5A Load VOUT1 3 3V Output 20MHz BW Lo...

Page 19: ...utput capacitor closest to the MxL7213 C8 Figure 15 Channel 1 Output Voltage Ripple VIN 12V VOUT 3 3V Load 13A 3 Ripple waveform shown measured at VOUT2 J55 The ripple waveform characteristics ideally...

Page 20: ...1 1210 C8 DNP Jack_575 4 J9 1 0603 R4 DNP U1 1 MXL7213 VOUT1_10 C1 VOUT1_11 C2 VOUT1_12 C3 VOUT1_6 B2 VOUT1_5 B1 VOUTS1 C5 VOUT1_7 B3 VOUT1_8 B4 VOUT1_9 B5 VOUT1_0 A1 VOUT1_1 A2 VOUT1_2 A3 VOUT1_3 A4...

Page 21: ...1 A MxL7213 EVK Schematic B 2 4 Monday May 04 2020 PMarcelo 710 MxL7225 EVK 100 B Title Size Document Number Rev Date Sheet of Draw 1060 Rincon Circle San Jose CA 95131 A MxL7213 EVK Schematic B 2 4 M...

Page 22: ...019 PMarcelo 710 MxL7225 EVK 100 B R56 0 Ohm J47 1 0402 R44 DNP J60 1 0603 R60 10 Kohm 0603C39 1uF R57 DNP J48 1 U1 2 MXL7213 PGND_53 M1 PGND_54 M12 PGND_51 L1 PGND_52 L12 PGND_45 K1 PGND_46 K5 PGND_4...

Page 23: ...13A Dual Phase EVB User Manual MxL7213EVB PCB Layers 10 15 20 000UMR05 18 MxL7213EVB PCB Layers Figure 20 EVB PCB Silkscreen Top Figure 21 EVB PCB Layer 1 Figure 22 EVB PCB Layer 2 Figure 23 EVB PCB...

Page 24: ...MxL7213 13A Dual Phase EVB User Manual MxL7213EVB PCB Layers 10 15 20 000UMR05 19 Figure 24 EVB PCB Layer 4 Figure 25 EVB PCB Layer 5 Figure 26 EVB PCB Layer 6 Figure 27 EVB PCB Silkscreen Bottom...

Page 25: ...NP CAP CER 22PF 50V COG NPO Yageo CC0402KRNPO9BN220 0402 7 1 C36 47pF CAP CER 47PF 50V COG NPO KEMET C0402C330K5GAC7867 0402 8 1 C37 33pF CAP CER 33PF 50V COG NPO Yageo CC0402KRNPO9BN470 0402 9 2 C29...

Page 26: ...603 21 1 R48 13 3k 1 RES SMD 13 3K OHM 1 1 10W 0402 Panasonic ERJ 2EKF1332X 0402 22 1 R49 8 25k 1 RES SMD 8 25K OHM 1 1 10W 0402 Panasonic ERJ 2EKF8521X 0402 23 2 R14 R15 6 04k 1 RES SMD 6 04K OHM 1 1...

Page 27: ...e in such applications unless MaxLinear Inc receives in writing assurances to its satisfaction that a the risk of injury or damage has been minimized b the user assumes all such risks c potential liab...

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