78M6610+LMU Evaluation Kit
User Manual
July 2013
Rev. 1
Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit
patent licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated 160 Rio Robles, San Jose, CA 95134 USA 1-408-601-1000
© 2013 Maxim Integrated Products, Inc.
Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc.
78M6610+LMU Evaluation Kit User Manual
Table of Contents
1
Introduction ......................................................................................................................................... 4
1.1
Ordering Information .................................................................................................................. 4
1.2
Package Contents...................................................................................................................... 4
1.3
System Requirements ............................................................................................................... 4
1.4
Safety and ESD Notes ............................................................................................................... 5
1.5
Testing the 78M6610+LMU EV Board Prior to Shipping ........................................................... 5
2
USB Driver Installation ....................................................................................................................... 6
2.1.1 Confirm COM Port Mapping ............................................................................................. 6
2.1.2 FTDI COM Port Trouble Shooting.................................................................................... 6
3
Hardware Setup: Sensor Interface .................................................................................................... 7
3.1
Single-Phase Measurements using Shunts ............................................................................... 7
3.1.1 Jumper and Switch Descriptions...................................................................................... 8
3.1.2 Device Configuration ........................................................................................................ 8
3.2
Single/Multiphase Measurements Using CTs ............................................................................ 9
3.2.1 Jumper Position Changes .............................................................................................. 10
3.2.2 Device Configuration ...................................................................................................... 10
3.3
Pseudo-Isolated Single-Phase Measurements Using CTs...................................................... 21
3.3.1 Jumper Position Changes .............................................................................................. 23
3.3.2 Device Configuration ...................................................................................................... 23
4
Hardware Setup: Digital Interface.................................................................................................... 11
4.1
USB Interface........................................................................................................................... 11
4.2
RS-485 Interface ...................................................................................................................... 12
5
Graphical User Interface (GUI) ......................................................................................................... 13
5.1
GUI Initialization ....................................................................................................................... 13
5.1.1 SSI Tab .......................................................................................................................... 13
5.1.2 Device Tab ..................................................................................................................... 14
5.1.3 Direct Tab....................................................................................................................... 14
5.1.4 Configuration Tab........................................................................................................... 15
5.1.5 Command Register Tab ................................................................................................. 15
5.1.6 Calibration Tab ............................................................................................................... 16
5.1.7 Power Tab ...................................................................................................................... 16
5.1.8 Energy Tab..................................................................................................................... 17
5.1.9 Fundamental Tab ........................................................................................................... 17
5.1.10 Min/Max Tab ................................................................................................................. 17
5.1.11 Alarms Tab ................................................................................................................... 18
5.1.12 Monitor Tab,.................................................................................................................. 19
6
Hardware Design Information .......................................................................................................... 24
6.1
Board Schematics .................................................................................................................... 24
6.2
Bill of Materials......................................................................................................................... 28
6.3
PCB Layout .............................................................................................................................. 30
7
Contact Information .......................................................................................................................... 32
Revision History ........................................................................................................................................ 32
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Figures
Figure 1: 78M6610+LMU Evaluation Board Connections ..................................................................................... 7
Figure 2: 78M6610+LMU Evaluation Board Connections ..................................................................................... 9
Figure 2: 78M6610+LMU Evaluation Board Connections ................................................................................... 22
Figure 3: 78M6610+LMU Evaluation Board Electrical Schematic (1 of 4) .......................................................... 24
Figure 4: 78M6610+LMU Evaluation Board Electrical Schematic (2 of 4) .......................................................... 25
Figure 5: 78M6610+LMU Evaluation Board Electrical Schematic (3 of 4) .......................................................... 26
Figure 6: 78M6610+LMU Evaluation Board Electrical Schematic (4 of 4) .......................................................... 27
Figure 7: 78M6610+LMU Evaluation Board PCB Top View ............................................................................... 30
Figure 8: 78M6610+LMU Evaluation Board PCB Bottom View .......................................................................... 31
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78M6610+LMU Evaluation Kit User Manual
1 Introduction
The 78M6610+LMU evaluation kit (EV kit) demonstrates the capability of the 78M6610+LMU for monitoring a
single-phase or split-phase AC load using up to two voltages and two currents (sensors included). The EV kit
connects to a PC through a USB cable that provides both power and data communication to the board. A
Windows®-based graphical user interface (GUI) communicates with the device over a virtual for simplified
access to measurement data and controls.
1.1 Ordering Information
PART
78M6610+LMUEVK1#
TYPE
Evaluation Kit
#Denotes a RoHS-compliant device that may include lead that is
exempt under the RoHS requirements.
1.2 Package Contents
The 78M6610+LMU EV kit includes the following:
•
•
•
•
•
78M6610+LMU Evaluation Board
Two 20A Current Transformers
USB Cable Assembly USB A-B 28/24 1.8M (Tyco/Amp 1487588-3)
CD with Documentation, GUI Application, and USB Drivers
Calibration Coefficients Document (Hardcopy Only)
1.3 System Requirements
In addition to an AC source and load for measuring, the EV kit requires a Windows PC with the following
features:
•
•
1GHz processor and 1GB RAM
Minimum 1024 x 768 video display resolution
•
•
Available USB port
Microsoft Windows 7 or Windows XP®
Windows and Windows XP are registered trademarks of Microsoft Corp.
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1.4 Safety and ESD Notes
EXERCISE CAUTION WHEN LIVE AC VOLTAGES ARE PRESENT!
Do not connect test equipment or external development boards directly to the nonisolated portion of the 78M6610 hardware. Damage to the 78M6610 and external
equipment will occur due to the 78M6610’s “high side” reference topology. The
78M6610’s V3P3 supply (i.e., “high side”) is connected directly to Neutral (Earth
Ground) creating a ground reference disparity with any properly grounded external
equipment.
The board components and firmware settings are designed to operate with the following nominal AC electrical
ranges:
Voltage
Current
Line Frequency
10-300 VAC
10 mA – 20A
46-64 Hz
1.5 Testing the 78M6610+LMU EV Board Prior to Shipping
Before every kit is shipped, the board (and sensors) undergo a single-load point calibration using precise
energy source equipment. The device temperature is also calibrated at the same time. Results printed out on
paper and included with the EV kit.
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78M6610+LMU Evaluation Kit User Manual
2 USB Driver Installation
This EV kit includes an isolated USB interface for serial communications with a PC. The FTDI USB controller
IC FT2232 performs the USB functions. The FTDI Windows driver presents a virtual COM port for enabling
serial communications. The FTDI Windows driver is a certified driver for Windows XP and Windows 7.
Upon attaching the 78M6610+LMU EV Board to the PC, the Found New Hardware Wizard automatically
launches and installs the appropriate driver files. If your PC does not find the FTDI driver files on its local hard
disk drive, locate and reference the FTDI USB Driver and Utilities subdirectory on the CD. The FT2232
controller and 78M6610+LMU is powered from the USB cable and is active when no AC power is applied to
the sensor interface of the 78M6610+LMU EV Kit.
Note: If an older FTDI driver has been previously installed, it is recommended to remove the older version
before installing this newer FTDI driver. Execute the ftdiClean.exe utility from the FTDI USB Driver and
Utilities subdirectory. For FTDI driver support on other operating systems, refer to the FTDI website at
www.ftdichip.com.
2.1.1
Confirm COM Port Mapping
•
Launch the Control Panel and click on the System icon.
•
The System Properties screen appears. Click on the Hardware tab. Click on Device Manager. Under
Ports (COM & LPT), look for the USB Serial Port assignment.
•
Take note of the COM port assignment for the USB Serial Port.
Two sequential COM
ports are associated
with the kit. Use the
second COM port
Port numbers may
differ on each PC.
2.1.2
FTDI COM Port Trouble Shooting
If the FTDI device driver did not install properly, there would be no assigned COM port number for the FTDI
controller. Repeat the USB Driver Installation, see Section 2.1.
Microsoft Windows may associate a Ball Point device to the FTDI USB controller. When this occurs a FTDI
device COM port assignment is available via HyperTerminal but there is no communications data. Verify if a
Ball Point device has been added to the “Human Interface Devices” via the Device manager. See Section 2.1.1
for access to the Device Manager. If a Ball Point device exists, delete it and unplug and replug the EV Kit’s
USB cable.
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3 Hardware Setup: Sensor Interface
The 78M6610+LMU EV board can be provisioned in multiple configurations. This manual covers common
setups for using a shunt, shunt with CT, or two CTs. The board is provisioned and calibrated for the following
configuration to retrieve the gain value of the shunt (printed on a label located on the bottom of the board).
3.1 Simple 2-Wire Single-Phase Measurements Using Shunts
AC source
Line
Connect
USB port
to PC
Neutral
Load
Figure 1: 78M6610+LMU Evaluation Board Connections
1. Connect the AC source Neutral output to J15.
2. Connect J8 to Load’s Neutral input.
3. Connect the AC source Line 1 output to J2 and to Load’s Line 1 input.
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78M6610+LMU Evaluation Kit User Manual
3.1.1
Jumper and Switch Descriptions
The following tables describe the default position of the EV board jumpers and switches for using the on-board
shunt current sensor at sensor slot S1.
J23 Jumper Description
J23 Pins
Description
Jumper
1/2
Connect J15 SHUNT to 78M6610+LMU Sensor Slot 1
Installed
2/3
Connect J10 CT2+ to 78M6610+LMU Sensor Slot 1
-
J24 Jumper Description
J24 Pins
Description
Jumper
1/2
Connects J8 SHUNT to 78M6610+LMU Sensor Slot 1
Installed
2/3
Connects J10 CT2- to 78M6610+LMU Sensor Slot 1
-
J9 Jumper Description
3.1.2
J9 Pins
Description
Jumper
1/2
Connect AC Neutral to V3P3A (chip reference)
Installed
Device Configuration
Use the Configuration tab to map the sensors as shown in the table below. Re-enter the gain value, as
needed, for the shunt resistor into the S1_GAIN register.
VA
VB
VC
8
Voltage
S0
0
IA
IB
Pre-Amp
Current
S1
0
1X S1
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78M6610+LMU Evaluation Kit User Manual
3.2 Single/Multiphase Measurements Using CTs
In this diagram, the on-board relays are also wired in series to demonstrate load control.
Line 1
Connect
USB port
to PC
Neutral
AC source
Line 2
CT2
+
+
CT1
L1
N
Line 1 Load
L2
N
Line 2 Load
Figure 2: 78M6610+LMU Evaluation Board Connections
1.
2.
3.
4.
5.
6.
7.
Rev 1
Connect the AC source Neutral to J15 and the load(s).
Connect the AC source Line 1 to J2 and to J19 (Relay1) through the Line 1 CT.
Connect J20 (Relay1) to Line 1 load.
Connect Line 1 CT’s secondary to J14 (burden resistor).
Connect the AC source Line 2 to J4 and to J31 (Relay2) through the Line 2 CT.
Connect J30 (Relay1) to Line 1 load.
Connect Line 2 CT’s secondary to J10 (burden resistor).
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3.2.1
Jumper Position Changes
Move J23 and J24 jumpers to position CT to use CT2 for sensor slot S1.
J23 Jumper Description
J23 Pins
Description
Jumper
1/2
Connect J15 SHUNT to 78M6610+LMU Sensor Slot 1
-
2/3
Connect J10 CT2+ to 78M6610+LMU Sensor Slot 1
Installed
J24 Jumper Description
J24 Pins
Description
Jumper
1/2
Connects J8 SHUNT to 78M6610+LMU Sensor Slot 1
-
2/3
Connects J10 CT2- to 78M6610+LMU Sensor Slot 1
Installed
J9 Jumper Description
3.2.2
J9 Pins
Description
Jumper
1/2
Connect AC Neutral to V3P3A (chip reference)
Installed
Device Configuration
Use the Configuration tab to map the sensors as shown in the table below. Re-enter the gain value as needed
for CT2 into the S1_GAIN register.
VA
VB
VC
Voltage
S0
0
S0
S2
-S2
IA
IB
Pre-Amp
Current
S1
0
1X S1
0
S3
1X S3
Note: The values for VC will not be displayed correctly on the Power tab of the provided GUI due to the
increased full-scale value of VC. Reported results for measurements derived from VC will be one-half the
expected magnitude.
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4 Hardware Setup: Digital Interface
4.1 Isolated USB Interface
Switch Description
Description
Default
SW4
Sets host interface mode upon reset
IFC0 Open
IFC1 Closed
SW5
Sets device address upon reset (UART/I2C modes)
Both Closed
J12 Jumper Description
J12 Pins
Description
Default
1/2
Connect 78M6610+LMU to USB Controller (U3)
Installed
2/3
Connect 78M6610+LMU to RS485 transceiver (U11)
-
J17 Jumper Description
J17 Pins
Description
Default
1/2
Connect USB Controller to isolation IC (U7)
Installed
2/3
Connect RS485 transceiver to isolation IC (U7)
-
J18 Jumper Description
J18 Pins
Description
Default
1/2
Connect USB Controller to isolation IC (U7)
Installed
2/3
Connect RS485 transceiver to isolation IC (U7)
-
J24A, J24B Jumper Description
Rev 1
J24A/B Pins
Description
Default
1/1
Connects MP0 to LED4
Installed
2/2
SDO/TXD/SDAo
-
3/3
SDI/RXD/SDAi
-
4/4
SPCK/ADDR0
-
5/5
Connects MP4 to LED5
Installed
6/6
SSB/DIR/SCL
-
7/7
Connects MP6/ADDR1 connection to LED2
Installed
8/8
Connects MP7 connection to LED8
Installed
9/9
IFC0
-
10/10
Connects MP10 connection to LED6
Installed
11/11
IFC1
-
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78M6610+LMU Evaluation Kit User Manual
J27 Jumper Description
J27 Pins
Description
Default
1/2
Enable on-board RS485 termination resistor
-
J28 Jumper Description
J28 Pins
Description
Default
1/2
Connect USB Controller to isolation IC (U7)
Installed
J29 Jumper Description
J29 Pins
Description
Default
1/2
Connect USB Controller to isolation IC (U7)
Installed
J38 Jumper Description
J38 Pins
Description
Default
1/2
Enable on-board RS485 termination resistor
-
4.2 Isolated RS-485 Interface
The board also includes an isolated RS-485 interface as an alternative to the USB interface. The
78M6610+LMU serial UART is connected to the RS-485 transceiver. Refer to the IC data sheet for details on
the serial protocol.
Move J12, J17, and J18 jumpers from position 1-2 to position 2-3 to connect the RS-485 transceiver
instead of the USB controller.
The USB cable provides power to the EV board when connected to the PC. If the USB cable not being used
+5VDC power must be provided at J16, pins 1 and 6 (+5V and ground, respectively). Do not supply power to
JJ16, pin1 AND connect the USB cable to the PC.
J22 RS-485 Connector Pin Assignment
J22 Pin Number
Pin Name
Pin Description
1
+5VDC
Connect to external source
2
Data - P
Tri-state, Bi-directional
3
Data - N
Tri-state, Bi-directional
4
GND
Connect to external source
4.3 Isolated UART, I2C, SPI Interfaces
The native host interfaces of the 78M6610+LMU are made available on the isolated side of the barrier at J16.
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5 Graphical User Interface (GUI)
A graphical user interface (GUI) is included on the 78M6610+LMU EV kit CD to facilitate quick evaluation of
the 78M6610+LMU energy measurement device. The GUI requires Microsoft.NET Framework 4 on the PC for
which the GUI is to execute on. Upon invoking the GUI executable file, an installation wizard may appear if
Microsoft.NET Framework 4 is not installed on the PC. Follow the installation wizard instructions, or download
Microsoft.NET Framework 4 from the Microsoft website prior to launching the GUI.
5.1 GUI Initialization
The GUI is self-explanatory when used with the 78M6610+LMU Data Sheet. The user, however, should note
the following about the EV kit hardware:
•
Serial COM Port:
5.1.1
•
Following the installation instructions in Section 2, launch the GUI executable. Click the
Connection pull-down menu and select Connect.
The COM Port / Baud Rate box appears. Select the COM port assigned to the EV kit and
leave the baud rate set to 38400 (default). Click the Connect button.
SSI Tab
SSI ID:
Rev 1
Click the SSI tab. Use the SSI ID number set by DIP switch 5 (1 and 2 are closed by default)
and click Set Target. Upon successful communication with the EV kit, a message appears in
the message box.
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78M6610+LMU Evaluation Kit User Manual
5.1.2
Device Tab
The Device tab shows to current firmware build as well as the temperature and line frequency being
measured.
5.1.3
Direct Tab
The Direct tab allows read and write access to all the byte-addressable registers documented in the data
sheet. The data can be displayed with the scale factor and units applied for convenience. In the example
below, the voltage register is being read, so the volts option is used to display the data.
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5.1.4
Configuration Tab
The Configuration tab is used to set up the sensor interface. Once this is done it can be saved to NVRAM for
future use, or programmed to a user-defined configuration and saved. See the Calibration tab for saving the
settings.
5.1.5
Command Register Tab
The Command Register tab is a read/write control tab for manual operation of the command register (0x00).
Hex and decimal formats are supported.
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5.1.6
Calibration Tab
The Calibration tab is used to configure and execute calibration commands. The calibration targets can be
viewed and changed and the scaling parameters are also displayed for convenience.
The calibration and NVRAM are also saved using the provided button.
5.1.7
Power Tab
The Power tab displays the current power being consumed by the loads. P (active power), Q (reactive power),
and S (apparent power) are displayed along with the voltage, current, crest factor, and power factor are also
displayed.
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78M6610+LMU Evaluation Kit User Manual
5.1.8
Energy Tab
The Energy tab displays the accumulated power both into and out of the load. The pull-down menu is used to
select the channel that is being displayed; A, B, or C, and update is used to update the displayed data
5.1.9
Fundamental Tab
The Fundamental tab is used to display the fundamental and harmonic measurements for voltage, current,
and power. The harmonics displayed can be selected with the get/set harmonic buttons.
5.1.10 Min/Max Tab
The Min/Max tab is used to display the minimum and maximum measurements for the parameters selected in
the Word Addr column. The units can be selected with the provided pull-down menu and the most recent
measurements are updated using the get buttons. All the measurements are reset with the reset button.
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5.1.11 Alarms Tab
The Alarms tab is a user-definable display of whatever parameters are required in a particular application. The
alarms are described in detail in Sections 2.11 and 2.12 of the 78M6610+LMU Data Sheet.
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5.1.12 Monitor Tab
The Monitor tab is a running record of all the communications between the GUI and the target
78M6610+LMU. A log file can be generated to save the transactions for later analysis.
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6 Alternate Sensor Configurations
6.1 Split-Phase Using Shunt (On Neutral) and One CT (On Line)
In this configuration, neutral is measured instead of Line 2. Results for Line 2 are indirectly calculated from the
measurements on Line 1 and Neutral.
AC source
Line 1
Line 2
Connect
USB port
to PC
Neutral
Line 1
CT
+
Load
1.
2.
3.
4.
5.
6.
20
Connect the AC source Neutral output to J15.
Connect J8 to Load’s Neutral input.
Connect the AC source Line 1 output to J2 and to Load’s Line 1 input.
Feed Line 1 through the CT.
Connect Line 1 CT’s secondary to J14 (burden resistor).
Connect the AC source Line 2 output to J4 and the Load’s Line 2 input.
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78M6610+LMU Evaluation Kit User Manual
6.1.1
Jumper Position Changes
Move J23 and J24 jumpers to position CT to use CT2 and remove jumper at J9.
J23 Jumper Description
J23 Pins
Description
Jumper
1/2
Connect J15 SHUNT to 78M6610+LMU Sensor Slot 1
Installed
2/3
Connect J10 CT2+ to 78M6610+LMU Sensor Slot 1
-
J24 Jumper Description
J24 Pins
Description
Jumper
1/2
Connects J8 SHUNT to 78M6610+LMU Sensor Slot 1
Installed
2/3
Connects J10 CT2- to 78M6610+LMU Sensor Slot 1
-
J9 Jumper Description
6.1.2
J9 Pins
Description
Jumper
1/2
Connect AC Neutral to V3P3A (chip reference)
Installed
Device Configuration
Use the Configuration tab to map the sensors as shown in the table below. Re-enter the gain value for CT2
(located on bottom of board) into the S1_GAIN register if needed.
Voltage
VA
VB
VC
S0
0
S0
0
S2
-S2
Current
IA
IB
Pre-Amp
0
-S1
1X S1
S3
-S3
1X S3
Note: The values for VC and IB will not be displayed correctly on the Power tab of the provided GUI due to the
increased full-scale values of VC and IB. Reported results for measurements derived from VC and IB will be
one-half the expected magnitude.
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6.2 Pseudo-Isolated Single-Phase Measurements Using CTs
In this diagram, the two voltage inputs are used to measure a single 2-wire interface for a high-impedance
resistive isolation between AC and the 78M6610+LMU.
Line
AC source
Connect
USB port
to PC
Neutral
CT2
+
+
CT1
Line
Line
N
N
Load 1
Load 2
Figure 3: 78M6610+LMU Evaluation Board Connections
1.
2.
3.
4.
Connect the AC source Neutral to J4 and the load(s).
Connect the AC source Line to J2 and to J19 (Relay1) through the Line 1 CT.
Connect J20 (Relay1) to Line 1 load.
Connect Line 1 CT’s secondary to J14 (burden resistor).
If measuring a second load:
5. Connect the AC source Line to J31 (Relay2) through the Line 2 CT.
6. Connect J30 (Relay1) to Line 1 load.
7. Connect Line 2 CT’s secondary to J10 (burden resistor).
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6.2.1
Jumper Position Changes
Move J23 and J24 jumpers to position CT to use CT2 and remove jumper at J9.
J23 Jumper Description
J23 Pins
Description
Jumper
1/2
Connect J15 SHUNT to 78M6610+LMU Sensor Slot 1
-
2/3
Connect J10 CT2+ to 78M6610+LMU Sensor Slot 1
Installed
J24 Jumper Description
J24 Pins
Description
Jumper
1/2
Connects J8 SHUNT to 78M6610+LMU Sensor Slot 1
-
2/3
Connects J10 CT2- to 78M6610+LMU Sensor Slot 1
Installed
J9 Jumper Description
6.2.2
J9 Pins
Description
Jumper
1/2
Connect AC Neutral to V3P3A (chip reference)
-
Device Configuration
Use the Configuration tab to map the sensors as shown in the table below. Re-enter the gain value for CT2
(located on bottom of board) into the S1_GAIN register if needed.
Voltage
VA
VB
VC
S0
S0
-S2
-S2
Current
IA
IB
Pre-Amp
0
S1
1X S1
S3
0
1X S3
Note: The values will not be displayed correctly on the Power tab of the provided GUI due to the increased
full-scale value of the voltages. Reported results for measurements will be one-half the expected magnitude.
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78M6610+LMU Evaluation Kit User Manual
7 Hardware Design Information
This section includes the schematics, bill of materials, and PCB layouts for the 78M6610+LMU EV board.
7.1 Board Schematics
VR1
+3.3V 500mA
511-LD1117S33C
SOT223
2
J5
CON4
VIN
3
+5VISO
R3
10K
0603
+5VISO
C1
0.1uF
0603
GND
GND
NEUTRAL OUT
1
2
3
1
2
3
4
J8
CON4
R26
0.004 1% 2.5W
2512P
NEUTRAL IN
1
2
3
4
J15
CON4
J23
CON3
C6
NC
0603
J34
CON1
V3P3A
R75
10K
R24
750 1%
0603
V3P3A
V3P3A
R71
10K
R28
750 1%
0603
1
2
1
C8
0.1uF
0603
GND
CON1
19
20
22
23
24
1
A0
A1
A2
A3
A4
A5
2
1
J37
CON1
R70
Rburden
GND
GND
V3P3
MP0
SDO/TX/SDAi
SDI/RX/SDAo
SPCK/ADDR0
MP4
SSB/DIR/SCL
MP6/ADDR1
MP7
IFC0
MP10
IFC1
15
12
13
14
7
6
5
4
3
16
17
XIN 9
XOUT 10
For
int.
OSC
GND
J7
CON13
RESET 18
MP0
SDO/TX/SDAi
SDI/RX/SDAo
SPCK/ADDR0
MP4
SSB/DIR/SCL
MP6/ADDR1
MP7
IFC0
MP10
IFC1
U1
78M6610+LMU
TQFN24
J36
GPIO ACCESS
GND
13
12
11
10
9
8
7
6
5
4
3
2
1
C7
0.1uF
0603
J33
J35
CON1
J9
CON2
SIP100P2
J10
V3P3
V3P3A
C10
1000pF
0603
C13
1000pF
0603
2
1
S1
1
2
3
V3P3A
J24
CON3
R18
0
0603
R15
750 0.1%
0603
R19
0
0603
C12
1000pF
0603
IFC1
MP010
IFC0
MP7
MP6/ADDR1
SSB/DIR/SCL
MP4
SPCK/ADDR0
SDI/RX/SDAo
SDO/TX/SDAi
MP0
R17
1M 0.1%
1206W
GND
C11
0.1uF
0603
V3P3D
R16
1M 0.1%
1206W
V3P3A
1
1
J25
CON1
J32
CON1
1
GNDD
1
2
3
4
J4
CON4
J6
CON1
C5
NC
0603
GNDA
LINE B IN
R12
0
0603
R11
750 0.1%
0603
1
J13
CON1
GND
C9
1000pF
0603
21
1
2
3
4
V3P3A
1
8
J3
CON1
V3P3A
R10
1M 0.1%
1206W
11
R9
1M 0.1%
1206W
1
1
2
3
4
J11
CON4
CT2
V3P3
SW1
LINE A IN
J2
CON4
S2
VOUT
C2
0.1uF
0603
GND
C4
1000pF
0603
1
S0
C3
10uF
0805
1
1
2
3
4
TAB
1
4
J26
CON1
V3P3
GND
V3P3
GND
R76
0(NC)
GND
MP0
SDO
SDI
SPCK
MP4
SSB
MP6
MP7
IFC0
MP10
IFC1
Y1
20.00MHz
1
2
C18
18pF
0603
C19
18pF
0603
MP0
V3P3
V3P3
R39
10K
0603
IFCF1
SSB
R38
10K
0603
R36
10K
0603
R33
10K
0603
GND
1
V3P3A
CON1
R72
10K
S3
J14
CT1
1
2
R69
Rburden
R73
10K
SW5
SW DIP-2
R32
750 1%
0603
V3P3A
C14
1000pF
0603
C15
1000pF
0603
R29
750 1%
0603
R79
1K
R80
1K
R78
1K
SW4
SW DIP-2
R77
1K
GND
Figure 4: 78M6610+LMU Evaluation Board Electrical Schematic (1 of 4)
24
Rev 1
MP0
SDO
SDI
SPCK
MP4
SSB
MP6
MP7
IFC0
MP10
IFC1
MP0
SDO
SDI
SPCK
MP4
SSB
MP6
MP7
IFC0
MP10
IFC1
1
2
3
4
5
6
7
8
9
10
11
2x11
Jumper
Matrix
R6
470
0603
2
1
J24B
CON11
J24A
J24B
78M6610+LMU Evaluation Kit User Manual
MP0L
2
1
V3P3
R7
470
0603
MP4L
2
1
MP6L
LED2
AMBER
0603
R14
470
0603
2
1
V3P3
MP7L
R8
470
0603
MP010L
LED8
Y ELLOW
0603
V3P3
2
1
1
2
3
4
5
6
7
8
9
10
11
LED5
RED
0603
V3P3
R2
470
0603
J24A
CON11
LED4
RED
0603
LED6
BLUE
0603
V3P3
Figure 5: 78M6610+LMU Evaluation Board Electrical Schematic (2 of 4)
Rev 1
25
78M6610+LMU Evaluation Kit User Manual
+5VISO
R27
2K
0603
J20
D5
Green LED
0603
1
2
3
4
J19
1
2
R21
Q1
MMBTA13/SOT
1K
0603
BAS16W/SOT323
1
2
3
4
GND
+5VISO
R35
2K
0603
J30
MP10
R25
10K
0603
D7
7
8
3
4
5
6
RLY 1
RL1
16A 5V SPDT
ALZ
Remove R21 and R34 if the relays are not needed
and DIO0 and DIO10 are used for other purposes
D6
Green LED
0603
1
2
3
4
J31
1
2
3
4
1
2
R34
Q2
MMBTA13/SOT
MP0
R37
10K
0603
7
8
3
4
5
6
RLY 2
RL2
16A 5V SPDT
ALZ
1K
0603
D8
BAS16W/SOT323
GND
Figure 6: 78M6610+LMU Evaluation Board Electrical Schematic (3 of 4)
26
Rev 1
78M6610+LMU Evaluation Kit User Manual
SPCK
SCKout
SPCK
GND
RE-WORK
1K
0603
GND
SSB/TXEN
RS485
TXen/
SSB
SSB
SSB
V3P3
R55
NC
0603
J12
CON3
1
2
3
SSBout
SIP100P2
CON2
J29
C31
0603
0.1uF
VDD1
GND1
IN1
IN2
OUT3
OUT4
NC
GND1
VDD2
GND2
OUT1
OUT2
IN3
IN4
NC
GND2
2
1
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SSBF
MISOF
MISOout
MOSIF
MOSIin
SCKin
R49
0
0603
U7
IL516-3E
8
7
6
5
OUT1
VDD2
IN2
GND2
U8
IL510-3E
IN1
VDD1
OUT2
GND1
1
2
3
4
SSBin
1
2
3
J18
CON3
GND
1
2
3
RS485TXEN
Select
40
39
38
37
36
35
33
32
30
29
28
27
26
BD0
BD1
BD2
BD3
BD4
BD5
BD6
BD7
BC0
BC1
BC2
BC3
SI/WUB
U3
FT2232C
TQFP48
RS485/SPI
Select
UGND
SPI &
PWREN
42
3
3V3OUT
RESETB
USBDM
USBDP
RSTOUTB
UART
41
USB3
6
C25
0.033uF
0603
R46
2.2K
0603
UGND
4
8
7
USBDM
USBDP
5
RSTOB
R47
2.2K
0603
XTI
XTIN
XTOUT
43
R50
1M
0603
44
2
XTO
EESK
EECS
EEDATA
J17
CON3
TEST
1
48
2
47
J21
CON6
USBB
500 ma Max
1
2
3
4
5
6
C27
10uF
0805
445-3458-1-ND
UGND
1
R57
1K
0603
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AC0
AC1
AC2
AC3
S1/WUA
AGND
MISOin
V3P3
R58
1K
0603
GND
GND
SCK
C26
0.1uF
0603
C28
0.1uF
0603
R45
0
0603
24
23
22
21
20
19
17
16
15
13
12
11
10
AVCC 46
2
1
V3P3
R56
1K
0603
RXFTDI
5VIN
USB
C24
0.1uF
0603
UGND
UGND
VCC2
VCC1
1
C23
0.1uF
0603
UGND
Y2
CSTCRG6M00
CSTCR
R53
10K
0603
45
GND
SIP100P2
J28 CON2
R43
10K
0603
VCCIOB 31
VCCIOA 14
VGND
5VIN
C21
10uF
0805
445-3458-1-ND
UGND
SDO
SDI
AVCC
R42
10K
0603
GND4
GND3
GND2
GND1
VIN
GND
MISO SDO
MOSI SDI
R41
470
0603
UGND
34
25
18
9
4
J16
CON6
SIP100P6
3
6
5
4
3
2
1
C20
10uF
2
VOUT
NC4
NC3
NC2
NC1
5
8
7
6
3
+5VISO
C22
0.1uF
0603
R40
0
0603
5VIN
VR2
VBT1-5V
+5VISO
5VUSB
Optional External I2C or SPI
Isolation
UGND
RS485/SPI
Select
R54
10K
0603
GND
R59
120
0805
5VIN
C29
0.1uF
0603
RS485TXENout
RS485TXENout
RS485RX
1
2
3
4
5
6
7
VL
RO
DE
RE
DI
GND
NC
U11
MAX13433EESD+
VCC
NC
A
B
Z
Y
GND
14
13
12
11
10
9
8
R52
120
0805
2
1
2
1
C30
1uF
0603
J38
CON2
SIP100P2
1
2
3
4
5
6
5VIN
RS485A
RS485B
RS485Z
RS485Y
J27
CON2
SIP100P2
J22
CON4
RS485
Do NOT apply +5VDC to
J22-1 when USB cable is
attached to J21.
UGND
Figure 7: 78M6610+LMU Evaluation Board Electrical Schematic (4 of 4)
Rev 1
27
78M6610+LMU Evaluation Kit User Manual
7.2 Bill of Materials
28
Item
Quantity
1
12
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
4
7
4
2
1
1
2
2
10
5
1
5
2
5
1
1
1
2
6
1
2
1
1
2
2
6
28
13
29
30
31
4
2
6
Reference
C1,C2,C7,C8,C11,C22,C23,C24,C26,C28,
C29,C31
C3,C20,C21,C27
C4,C9,C12,C10,C13,C14,C15
C5,C6
C18,C19
C25
C30
D5,D6
D7,D8
J2,J4,J5,J8,J11,J15,J19,J20,J30,J31
J3,J6,J13,J25,J26
J7
J9,J27,J28,J29,J38
J10,J14
J12,J17,J18,J23,J24
J16
J21
J22
J24B,J24A
J32,J33,J34,J35,J36,J37
LED2
LED4,LED5
LED6
LED8
Q1,Q2
RL1,RL2
R2,R6,R7,R8,R14,R41
R3,R25,R33,R36,R37,R38,R39,R42,R43,R
53,R54,R72,R73
R9,R10,R16,R17
R11,R15
R12,R18,R19,R40,R45,R49
32
9
R21,R34,R56,R57,R58,R77,R78,R79,R80
1K
0603
33
34
35
36
4
1
2
2
R24,R28,R29,R32
R26
R27,R35
R46,R47
750 1%
0.004 1% 2.5W
2K
2.2K
0603
2512P
0603
0603
Part
PCB Footprint
0.1uF
0603
10uF
1000pF
NC
18pF
0.033uF
1uF
Green LED
BAS16W/SOT323
CON4
CON1
CON13
CON2
TERM BLK 200-2
CON3
CON6
CON6
CON4
CON11
CON1
AMBER
RED
BLUE
YELLOW
MMBTA13/SOT
16A 5V SPDT
470
10K
1M 0.1%
750 0.1%
0
0805
0603
0603
0603
0603
0603
0603
SOT-323 AC
STERM
SIP100P1
SIP100P13
SIP100P2
TERM BLK 200-2
SIP100P3
SIP100P6
USBB
TERM BLK 200-6
SIP100P11
sm pad
0603
0603
0603
0603
SOT-23
ALZ
0603
0603
1206W
0603
0603
Rev 1
78M6610+LMU Evaluation Kit User Manual
Item
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
Rev 1
Quantity
1
2
2
2
2
1
2
1
1
1
1
1
1
1
1
1
Reference
R50
R52,R59
R69,R70
R71,R75
R55,R76
SW1
SW4,SW5
U1
U3
U7
U8
U11
VR1
VR2
Y1
Y2
Part
1M
120
Rburden
10K
0(NC)
PUSHBUTTON
SW DIP-2
78M6610+LMU/B
FT2232C
IL516-3E
IL612A
MAX13433EESD+
+3.3V 500mA
VBT1-5V
20.00MHz
CSTCRG6M00
PCB Footprint
0603
0805
0805
0603
SMD (SMT) Tab
DIP4
TQFN24
TQFP48
SO-16 NARROW
IL611A
SO-14 NARROW
SOT223
VBT1
ABLS
CSTCR
78M6610+LMU Evaluation Kit User Manual
7.3 PCB Layout
Figure 8: 78M6610+LMU Evaluation Board PCB Top View
30
Rev 1
78M6610+LMU Evaluation Kit User Manual
Figure 9: 78M6610+LMU Evaluation Board PCB Bottom View
Rev 1
78M6610+LMU Evaluation Kit User Manual
8 Contact Information
For more information about Maxim Integrated products or to check the availability of the 78M6610+LMU,
contact technical support at www.maximintegrated.com/support.
Revision History
REVISION
NUMBER
REVISION
DATE
0
2/13
Initial release
—
1
7/13
Updated ordering part number
4
32
DESCRIPTION
PAGES
CHANGED
Rev 1
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