MAX9611EVKIT [MAXIM]
Easy-to-Use, Menu-Driven Software;
| 型号： | MAX9611EVKIT |
| 厂家： | 
MAXIM INTEGRATED PRODUCTS |
| 描述： | Easy-to-Use, Menu-Driven Software |
| 文件： | 总12页 (文件大小：2192K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
19-5619; Rev 0; 11/10
MAX9611 Evaluation Kit
General Description
Features
Sꢀ 60V_Current_Sense_with_Integrated_ADC
The MAX9611 evaluation kit (EV kit) is an assembled
and tested PCB used to evaluate the MAX9611 high-side
current-sense amplifier with an integrated 12-bit ADC
and a gain block that can be configured either as an op
amp or as a comparator. The on-board microcontroller,
which is connected to the PC through the universal serial
bus (USB) port, acts as the I²C master.
Sꢀ Windows_XP-,_Windows_Vista-,_and_Windows_
7-Compatible_Software
Sꢀ On-Board_Microcontroller_to_Generate_I²C_
Commands
Sꢀ Easy-to-Use,_Menu-Driven_Software
Sꢀ USB-PC_Connection_(Cable_Included)
M
The EV kit also includes Windows XP -, Windows
M
M
Vista -, and Windows 7-compatible software, which
provides a simple user interface for exercising the
device’s features. The program is menu driven and offers
a graphical user interface (GUI) complete with control
buttons and status displays.
Ordering Information
PART
TYPE
The EV kit comes with the MAX9611AUB+ installed
(noninverting configuration). Contact the factory for free
samples of the pin-compatible MAX9612AUB+ (inverting
configuration).
MAX9611EVKIT+
EV Kit
+Denotes lead(Pb)-free and RoHS compliant.
Component List
DESIGNATION QTY
DESCRIPTION
DESIGNATION QTY
DESCRIPTION
10FF Q10%, 16V X5R ceramic
capacitors (0805)
Murata GRM21BR61C106K
1FF Q10%, 100V X7R ceramic
capacitor (1206)
Murata GRM31CR72A105KA01L
C1, C12, C14,
4
C26
1
C20
22pF Q5%, 50V C0G ceramic
capacitors (0603)
Murata GRM1885C1H220J
10000pF Q10%, 100V X7R
ceramic capacitor (0603)
TDK C1608X7R2A103K
C2, C3
C4
2
1
9
C27
H1
1
0
Not installed, 10-pin (2 x 5)
header
0.033FF Q10%, 25V X7R ceramic
capacitor (0603)
TDK C1608X7R1E333K
JU1, JU2, JU3
JU4, JU5
3
2
3-pin headers
5-pin headers
0.1FF Q10%, 16V X7R ceramic
capacitors (0603)
TDK C1608X7R1C104K
C5–C10, C17,
C18, C23
Ferrite bead (0603)
TDK MMZ1608R301A
L1
M1
P1
1
1.49A, 30V p-channel MOSFET
(3 SOT23)
Vishay Si2303BDS-T1-E3
C11, C13,
C21, C22,
C24, C25,
C29, C30
1FF Q10%, 16V X5R ceramic
capacitors (0603)
TDK C1608X5R1C105K
1
8
USB type-B right-angle PC-mount
receptacle
1
4
10pF Q5%, 50V C0G ceramic
capacitors (0603)
Murata GRM1885C1H100J
C15, C16
C19, C28
2
0
OUT, RS+,
RS-, SET
Test points, red
R1, R2
2
3
27I Q5% resistors (0603)
1.5kI Q5% resistors (0603)
Not installed, ceramic capacitors
(0805)
R3, R14, R15
Windows, Windows XP, and Windows Vista are registered trademarks of Microsoft Corp.
_ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ _Maxim Integrated Products_ _ 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
MAX9611 Evaluation Kit
Component List (continued)
DESIGNATION QTY
DESCRIPTION
470I Q5% resistor (0603)
2.2kI Q5% resistor (0603)
10kI Q5% resistor (0603)
169kI Q1% resistor (0603)
100kI Q1% resistor (0603)
DESIGNATION QTY
DESCRIPTION
R4
R5
R6
R7
R8
1
1
1
1
1
2.5V LDO regulator (5 SC70)
Maxim MAX8511EXK25+
U3
1
1
Adjustable-output LDO regulator
(5 SC70)
Maxim MAX8512EXK+
U4
Not installed, resistors—shorted
with PCB trace (0603)
1.8V LDO regulator (5 SC70)
Maxim MAX8511EXK18+
R9–R13
0
U5
U6
1
1
R16, R23
R17
2
1
1
3
1
0
1
1
20kI Q1% resistors (0603)
402I Q1% resistor (0603)
4.02kI Q1% resistor (0603)
1MI Q5% resistors (0603)
Level translator (10 FMAX)
Maxim MAX1840EUB+
R18
U7
U8
1
1
UART-to-USB converter (32 TQFP)
93C46 type 3-wire EEPROM (8 SO)
R19, R20, R21
R22
1.65kW Q1% resistor (0603)
Not installed, resistor (0603)
16MHz crystal (HCM49)
Hong Kong X’tals
SSM16000N1HK188F0-0
R24
Y1
Y2
1
1
R25
8.06kI Q1% resistor (0603)
6.65kI Q1% resistor (0603)
R26
6MHz crystal (HCM49)
Hong Kong X’tals
SSL60000N1HK188F0-0
0.1I Q1% current-sense resistor
(1206)
R27
1
Vishay WSL1206R1000FEA
—
1
5
1
USB high-speed A-to-B cables, 6ft
Shunts
—
Current-sense amplifier, 12-bit
ADC (10 FMAXM)
U1
U2
1
1
—
PCB: MAX9611 EVALUATION KIT+
Maxim MAX9611AUB+
*EP = Exposed pad.
Microcontroller (68 QFN-EP*)
Maxim MAXQ2000-RAX+
Component Suppliers
SUPPLIER
PHONE
WEBSITE_
Hong Kong X’tals Ltd.
Murata Electronics North America, Inc.
TDK Corp.
852-35112388
770-436-1300
847-803-6100
402-563-6866
www.hongkongcrystal.com
www.murata-northamerica.com
www.component.tdk.com
www.vishay.com
Vishay
Note: Indicate that you are using the MAX9611 when contacting these component suppliers.
MAX9611 EV Kit Files
FILE
INSTALL.EXE
DESCRIPTION
Installs the EV kit files on your computer
Application program
MAX9611.EXE
CDM20600.EXE
UNINSTALL.EXE
USB_Driver_Help_200.PDF
Installs the USB device driver
Uninstalls the EV kit software
USB driver installation help file
µMAX is a registered trademark of Maxim Integrated Products, Inc.
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MAX9611 Evaluation Kit
4) Set the DC power supply to 12V and connect to
the VIN and the GND pads of the MAX9611 EV kit
board.
Quick Start
Required Equipment
•
•
MAX9611 EV kit (USB cable included)
5) Set the electronic load to sink 750mA. Connect the
electronic load positive terminal to the LOAD pad
and the negative terminal to the nearest GND pad.
Windows XP, Windows Vista, or Windows 7 PC with
a spare USB port
•
•
•
12V, 1.5A DC power supply
6) Connect the first voltmeter between the RS+ and
RS- test points.
Electronic load capable of sinking 1A (e.g., HP6060B)
Three digital voltmeters (DVMs)
7) Connect the second voltmeter between the SET test
point and the nearest GND pad.
Note: In the following sections, software-related items
are identified by bolding. Text in bold refers to items
directly from the EV kit software. Text in bold_and_under-
lined refers to items from the Windows operating system.
8) Connect the third voltmeter between the OUT test
point and the nearest GND pad.
9) Connect the USB cable from the PC to the EV kit
board. A Windows message appears when con-
necting the EV kit board to the PC for the first time.
Each version of Windows has a slightly different
message. If you see a Windows message stating
ready_to_use, then proceed to the next step; oth-
erwise, open the USB_Driver_Help_200.PDF docu-
ment in the Windows Start_ |_ Programs menu to
verify that the USB driver was installed successfully.
Procedure
The EV kit is fully assembled and tested. Follow
the steps below to verify board operation.
Caution:_Do_not_turn_on_power_supplies_until_all_con-
nections_are_completed.
1) Visit www.maxim-ic.com/evkitsoftware to down-
load the latest version of the EV kit software,
9611Rxx.ZIP. Save the EV kit software to a tempo-
rary folder and uncompress the ZIP file.
10) Turn on the power supply.
11) Start the EV kit software by opening its icon in the
Start_|_Programs menu. The EV kit software main
window appears, as shown in Figure 1. Observe as
the program automatically detects the address of
the device and starts the main program.
2) Install the EV kit software on your computer by
running the INSTALL.EXE program inside the tem-
porary folder. The program files are copied to your
PC and icons are created in the Windows Start_ |_
Programs menu. During software installation, some
versions of Windows may show a warning message
indicating that this software is from an unknown
publisher. This is not an error condition and it is safe
to proceed with installation. Administrator privileges
are required to install the USB device driver on
Windows.
12) Verify that the Value within the ADC group box is
accurate by monitoring the measurement on the
voltmeters.
Detailed Description of Software
The user interface (Figure 1) is easy to operate; use the
mouse or press the Tab key to navigate with the arrow
keys. Each of the buttons correspond to bits in the
command and configuration bytes. By pressing these
buttons, the correct I²C-compatible write operation is
3) Verify that all jumpers (JU1–JU5) are in their default
positions, as shown in Tables 1 and 2.
Table_1._Jumper_Description_(JU1,_JU2,_JU3)
JUMPER
SHUNT_POSITION
DESCRIPTION
1-2*
2-3
Connects the device to the on-board +3.3V DC supply.
Connects the device to the user-supplied +2.7V to +5.5V supply.
Connects the device to the on-board SDA.
JU1
1-2*
2-3
JU2
Connects the device to the user-supplied SDA.
Connects the device to the on-board SCL.
1-2*
2-3
JU3
Connects the device to the user-supplied SCL.
*Default position.
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MAX9611 Evaluation Kit
generated to update the internal registers of the device.
The Interface group box indicates the current I²C-
compatible Device_ Address,_ Register_ Address_ Sent,
and the Data_ Sent/Received for the last read/write
operation. This data is used to confirm proper device
operation.
14mV. Select 011-_Channel_B:_Common_Mode_Voltage_
from_ADC from the MUX drop-down list for this reading.
OUT Voltage
The internal op-amp or comparator output voltage can
be monitored over the 0 to 57.3V range by the ADC and
the LSB is 14mV. Select 100-_Channel_C:_OUT_Voltage_
from_ADC from the MUX drop-down list for this reading.
The OUT voltage can be verified through the OUT test
point on the EV kit.
Control Register
The device can be used in two different configurations,
op-amp mode or comparator mode. Using the part in
op-amp mode operates the transistor (M1) in its linear
region, thus limiting the current source into the LOAD
pad. Using the part in comparator mode operates M1 as
a switch, thus disconnecting the load from the VIN pad in
the event of an over-limit condition.
SET Voltage
The SET voltage (SET test point) is determined through
resistor-divider R22 and R23. The SET voltage range is
from 0 to 1.10V and has an LSB of 268FV. Select 101-_
Channel_D:_SET_Voltage_from_ADC from the MUX drop-
down list for this reading.
The MUX drop-down list is used to read the current-
sense amplifier output from the ADC (1x, 4x, 8x),
common-mode voltage, OUT voltage, SET voltage, and
die temperature. The MODE drop-down list allows the
user to choose different modes within the op-amp and
comparator configuration. If OUT_ Latch_ with_ Delay_
and_ _ Auto-Retry is selected, then a Delay_ Time and
Retry_Time group box appears in the main window. The
Delay_Time_group box has 1ms and 100us radio button
options. The Retry_Time group box has 50ms and 10ms
radio button options. See the MAX9611 IC data sheet for
a detailed description. Check the SHDN checkbox to
have the part enter shutdown mode.
Temperature
The die temperature can be read by the ADC by select-
ing 110-_Channel_E:_Temperature_from_ADC from the
MUX drop-down list. The temperature range is from
-40NC to +127NC and has an LSB of +0.48NC.
Data Logging
All ADC data is saved to a .csv file when the Data_
Logging checkbox is checked.
Advanced User Interface
There are two methods for communicating with the
device. The first is through the window shown in
Figure 1. The second is through the Advanced_ User_
Interface window shown in Figure 2. The Advanced_
User_Interface window becomes available by selecting
the Options_ |_ Interface_ (Advanced_ User) menu item
and allows execution of serial commands manually.
ADC
Select the desired ADC reading from the MUX drop-
down list.
Current-Sense Input Voltage
CSA is the current-sense amplifier input voltage. The
MUX drop-down list allows the user to select gains of
1x, 4x, or 8x, which correspond to full-scale voltages
of 440mV, 110mV, and 55mV, and LSBs of 107.5FV,
26.88FV, and 13.44FV, respectively. The RS+ and RS-
test points of the EV kit can be used to verify the data.
An Advanced_User_Interface_window can be used as
a debug tool because it is capable of manually reading
and writing to every register of the device.
Detailed Description of Hardware
The MAX9611 EV kit is an assembled and tested PCB
used to evaluate the MAX9611 high-side current-sense
amplifier with an integrated 12-bit ADC and a gain block
that can be configured either as an op amp or as a
comparator.
Common-Mode Voltage
Common-mode voltage is the average of the voltage at
RS+ and RS- that is displayed under VCM. The common-
mode voltage range is from 0 to 57.3V and the LSB is
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MAX9611 Evaluation Kit
Figure 1. MAX9611 EV Kit Software Main Window
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ_ _ 5
MAX9611 Evaluation Kit
Address Selection
The device’s slave I²C address is configured through the
A1 and A0 pins. The EV kit features jumpers JU4 and
JU5 to configure these pins. The default address is 1111
111 (R/W). See Table 2 for a complete list of addresses.
Verify that the new I²C address matches the address
shown in the software’s Device_Address_combo box.
User-Supplied I2C
To use the device with a user-supplied I²C interface,
first move the shunts on jumpers JU2 and JU3 to the 2-3
position. Next apply a user-supplied 2.7V to 5.5V power
supply at the VCC1 and GND pads. Lastly, connect SCL
and SDA to the corresponding pads on the EV kit.
Evaluating the MAX9612
When installing the MAX9612 into U1 of the EV kit, the
following steps must be completed. Remove resistor R24
and populate R25 with the appropriate pullup resistor.
The EV kit can only use the MAX9612 as a comparator
and not as an op amp because of an absence of an
n-channel MOSFET on board. For proper operation, sup-
ply the source voltage between the VIN_ALT and GND
pads instead of between VIN and GND pads.
User-Supplied Power Supply
The EV kit is powered completely from the USB port by
default. Move the shunt on jumper JU1 to the 2-3 posi-
tion and apply a 2.7V to 5.5V power supply between the
VCC1 and GND pads.
Figure 2. Example of an SMBusWriteByte Operation Using the Advanced User Interface
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MAX9611 Evaluation Kit
Table_2._Shunt_Setting_for_SMBus/I²C_Address
SHUNT_POSITION
WRITE_
ADDRESS
(hex)
READ_
ADDRESS
(hex)
B7
B6
B5
B4
B3
B2
B1
B0
JU4
(A1)
JU5
(A0)
1-5
1-5
1-4
1-3
1-2
1-5
1-4
1-3
1-2
1-5
1-4
1-3
1-2
1-5
1-4
1-3
1-2*
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0xE0
0xE2
0xE4
0xE6
0xE8
0xEA
0xEC
0xEE
0xF0
0xF2
0xF4
0xF6
0xF8
0xFA
0xFC
0xFE
0xE1
0xE3
0xE5
0xE7
0xE9
0xEB
0xED
0xEF
0xF1
0xF3
0xF5
0xF7
0xF9
0xFB
0xFD
0xFF
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
1-5
1-5
1-5
1-4
1-4
1-4
1-4
1-3
1-3
1-3
1-3
1-2
1-2
1-2
1-2*
*Default position.
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ_ _ 7
MAX9611 Evaluation Kit
Figure 3a. MAX9611 EV Kit Schematic (Sheet 1 of 2)
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MAX9611 Evaluation Kit
Figure 3b. MAX9611 EV Kit Schematic (Sheet 2 of 2)
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ_ _ 9
MAX9611 Evaluation Kit
1.0”
1.0”
Figure 4. MAX9611 EV Kit Component Placement Guide—
Component Side
Figure 5. MAX9611 EV Kit PCB Layout—Component Side
1.0”
Figure 6. MAX9611 EV Kit PCB Layout—Inner Layer 2
10_ _ _ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ
MAX9611 Evaluation Kit
1.0”
1.0”
Figure 7. MAX9611 EV Kit PCB Layout—Inner Layer 3
Figure 8. MAX9611 EV Kit PCB Layout—Solder Side
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ_ _ 11
MAX9611 Evaluation Kit
Revision History
REVISION
NUMBER
REVISION_
DATE
PAGES_
CHANGED
DESCRIPTION
0
11/10
Initial release
—
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied.
Maxim reserves the right to change the circuitry and specifications without notice at any time.
12_____________________ ________ Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
©
2010 Maxim Integrated Products
Maxim is a registered trademark of Maxim Integrated Products, Inc.
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