MaxLinear MxL7213 Manuale utente
MxL7213 13A Dual Phase EVB User Manual Revision History
10/15/20 000UMR05 ii
Revision History
Document No. Release Date Change Description
000UMR02 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 Update
■VOUT and GND test pin numbers in Quick Start Up and connections in Figure 1.
■Schematic (R1, R16, C13, C36, C37 values) to match BOM.
■Board photo.
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
MxL7213 13A Dual Phase EVB User Manual List of Figures
10/15/20 000UMR05 iv
List of Figures
Figure 1: Monitoring VIN and VOUT.........................................................................................................................................2
Figure 2: Top View of MxL7213 13A Dual Phase EVB ..........................................................................................................3
Figure 3: Block Diagram MxL7213 Two Channel EVB...........................................................................................................5
Figure 4: Load Transient Circuit .............................................................................................................................................9
Figure 5: Mode 1 Block Diagram ..........................................................................................................................................11
Figure 6: Mode 2 Block Diagram ..........................................................................................................................................11
Figure 7: Mode 3 Block Diagram ..........................................................................................................................................11
Figure 8: Mode 4 Block Diagram ..........................................................................................................................................11
Figure 9: Mode 5 Block Diagram ..........................................................................................................................................11
Figure 10: Mode 6 Block Diagram ........................................................................................................................................11
Figure 11: Channel 1 Measured Efficiency (VOUT = 3.3V, fSW = 750kHz, 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 Response (VOUT = 5.0V, VIN = 12V).........................................................................13
Figure 15: Channel 1 Output Voltage Ripple (VIN = 12V, VOUT = 3.3V, Load = 13A) ..........................................................14
Figure 16: Channel 2 Output Voltage Ripple (VIN = 12V, VOUT = 5.0V, Load = 13A) ..........................................................14
Figure 17: EVB Schematic ...................................................................................................................................................15
Figure 18: EVB Schematic, Continued .................................................................................................................................16
Figure 19: EVB Schematic, Continued .................................................................................................................................17
Figure 20: EVB PCB Silkscreen Top ....................................................................................................................................18
Figure 21: EVB PCB Layer 1................................................................................................................................................18
Figure 22: EVB PCB Layer 2................................................................................................................................................18
Figure 23: EVB PCB Layer 3................................................................................................................................................18
Figure 24: EVB PCB Layer 4................................................................................................................................................19
Figure 25: EVB PCB Layer 5................................................................................................................................................19
Figure 26: EVB PCB Layer 6................................................................................................................................................19
Figure 27: EVB PCB Silkscreen Bottom...............................................................................................................................19
MxL7213 13A Dual Phase EVB User Manual List of Tables
10/15/20 000UMR05 v
List of Tables
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 8: Board Stuffing for Operation Mode Selection ....................................................................................... 10
Table 9: EVB Bill of Materials ............................................................................................................................. 20
MxL7213 13A Dual Phase EVB User Manual Introduction
10/15/20 000UMR05 1
Introduction
The MxL7213 evaluation board provides a platform to evaluate the features and performance of the MxL7213. The
MxL7213 is a dual 13A Power Module optimized for powering Telecom, Networking and Industrial equipment. This manual
covers the 13A Dual Phase BGA and LGA Evaluation Boards.
Quick EVB Set Up and Start Up
Factory Settings
In addition to utilizing the 4.5V to 16V input voltage range and dual 13A maximum load current rating capabilities of the
MxL7213 Power Module, the Evaluation Board has been set up with the factory default configurations shown below for
quick set up and operation. Do not exceed the EVB maximum load current rating.
The factory default configuration (Table 2) for the MxL7213 Evaluation Board is:
■VOUT1 = 3.3V ±1.5%
■VOUT2 = 5.0V ±1.5%
■750kHz Switching Frequency
■CCM mode. For other modes, see Jumper J44 MODE.
■Run is enabled for both channels. See Jumpers J30
RUN1 and J29 RUN2.
■Soft-start is selected for both channels. See Jumper
J26 TRACK1 SEL and Jumper J25 TRACK2 SEL.
■CLKOUT phase is 90 degrees, see Jumper J45
PHASMD.
■Differential remote sense amplifier monitoring VOUT1
Quick Start Up
To quickly see the regulator in operation:
1. Use the factory settings and default configuration. If
other settings or components are desired, apply them
before the next 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- to monitor VIN and GND respectively. See
locations in Figure 1.
3. For the channel 1 output, connect an electronic load
initially set to 0A, that will be no more than the above
maximum IOUT (13A ), to VOUT1 and GND with short /
thick leads. Use test pins VOUT1 (J52) and
VOUT_GND (J60) to monitor VOUT1 and GND
respectively. See locations in Figure 1.
4. For the channel 2 output, connect an electronic load
initially set to 0A, that will be no more than the above
maximum IOUT (13A ), to VOUT2 and GND with short,
thick leads. Use test pins VOUT2 (J53) and
VOUT2_GND (J61) to monitor VOUT2 and GND
respectively. See locations in Figure 1.
5. Turn on the power supply and check VOUT of both
channels. The EVB will power up and (factory default)
regulate the channel 1 output at 3.3V ±1.5% (3.251V to
3.349V) and channel 2 output at 5.0V ±1.5% (4.925V
to 5.075V). Output ripple should be measured across
the output capacitors for each channel: C8 for VOUT1
and C22 for VOUT2. Test points J52 and J53 can be
used to monitor the ripple for VOUT1 and VOUT2,
respectively.
6. Set or vary the load (do not exceed the maximum IOUT)
and check VOUT and other desired performance levels
such as regulation and efficiency.
See Configuration and I/O Interfaces and Load Transient
Circuit for more on testing and monitoring. For Single Rail
Dual Phase 26A Operation and to vary VOUT see MxL7213
EVB Mode Selection.
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
AA
+
-+-
V
+-
VOUT2 VOUT1
VIN
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
MxL7213 13A Dual Phase EVB User Manual Reference Documentation
10/15/20 000UMR05 4
Reference Documentation
Please refer to the MxL7213 Data Sheet for additional information about the MxL7213, including efficiency curves for this
configuration with VIN = 12V. The datasheet also includes a full list of IC features, pinout, pin descriptions, typical
performance characteristics and external component 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 design.
The schematics are also available on the MxL7213 product page.
Ordering Information
1. Refer to www.maxlinear.com/MxL7213 for most up-to-date Ordering Information.
Table 1: Evaluation Board Ordering Part Number(1)
Power Module Evaluation Board Description
MxL7213-AYA-T MxL7213-EVK-1 MxL7213 LGA Power Module Dual-Phase EVB
MxL7213-ABA-T MxL7213-EVK-3 MxL7213 BGA Power Module Dual-Phase EVB
MxL7213 13A Dual Phase EVB User Manual Evaluation Board Overview
10/15/20 000UMR05 5
Evaluation Board Overview
The block diagram shown in Figure 3 illustrates the connection points for the VIN, VOUT1, VOUT2, TRACK, MODE_PLL
and 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)
RUN2
SELECT
JUMPER
(J29)
OUTPUT
CONFIG
OPTION
DIFF
SENSE
OPTION
J6
VOUT1
CONNECTOR
J16
VOUT2
CONNECTOR
J58
IOSTEP_CLK
CONNECTOR
J16
VOUT2
CONNECTOR
J6
VOUT1
CONNECTOR
VIN
CONNECTOR
J9
MxL7213
VOUT1 VOUT2
TRANSIENT LOAD
CIRCUIT
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