MAX11008EVC16 [MAXIM]
Lead(Pb)-Free and RoHS Compliant;
| 型号： | MAX11008EVC16 |
| 厂家： | 
MAXIM INTEGRATED PRODUCTS |
| 描述： | Lead(Pb)-Free and RoHS Compliant |
| 文件： | 总15页 (文件大小：379K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
19-4423; Rev 0; 1/09
MAX11008 Evaluation Kit/
Evaluation System
Evluate:MAX108
General Description
Features
The MAX11008 evaluation kit (EV kit) is an assembled
and tested circuit board that demonstrates the
MAX11008 dual RF LDMOS CODEC smart regulator for
LDMOS FET bias control. Windows® 98/2000/XP soft-
ware provides a handy user interface to exercise the
features of the MAX11008.
♦ Proven PCB Layout
♦ Complete Evaluation System
♦ Convenient On-Board Test Points
♦ Data-Logging Software
o Lead(Pb)-Free and RoHS Compliant
♦ Fully Assembled and Tested
Windows is a registered trademark of Microsoft Corp.
Component List
Ordering Information
MAX11008EVC16 System Component List
PART
TYPE INTERFACE REQUIREMENTS
MAX11008EVKIT+ EV Kit User-provided I2C interface
PART
QTY
DESCRIPTION
MAX11008EVKIT+
HSI2CMOD
1
1
1
MAX11008 EV kit
Windows PC with RS-232 serial
port
MAX11008EVC16 EV Sys
High-speed I2C interface module
68HC16 µC module
+Denotes lead(Pb)-free and RoHS compliant.
68HC16MODULE-DIP
Component List (continued)
MAX11008EVKIT Component List
DESIGNATION QTY
DESCRIPTION
DESIGNATION QTY
DESCRIPTION
npn transistors (3 SOT23)
Fairchild MMBT3904
Top mark: 1A
C4, C8, C10,
C12, C16, C18,
C26, C27
1µF 20ꢀ, 2ꢁV XꢁR ceramic
capacitors (0603)
TDK C1608XꢁR1E10ꢁM
D1, D2
2
1
8
70Ω, 4A ferrite bead (0603)
Murata BLM18ꢁ6700N1
Cꢁ, C9, C11,
C13, C14, C1ꢁ,
C24, C2ꢁ, C28,
C29
FB1
J1
0.1µF 20ꢀ, 16V X7R ceramic
capacitors (0603)
TDK C1608X7R1C104M
10
20-pin, 2 x 10 right-angle female
receptacle
1
ꢁ
Not installed, ceramic capacitors
(0603)
JU0–JU4
3-pin jumpers
C6, C7
C17
0
1
JUꢁ–JU20
16 2-pin jumpers
FETs, n-channel (TO-220AB)
= ꢁꢁV (High V --> Low gm)
10µF 20ꢀ, 2ꢁV X7R ceramic
capacitor (1210)
TDK C322ꢁX7R1E106M
V
DS
DS
M1, M2
2
R = 0.024Ω at V = 10V
DSON DS
4.7µF 20ꢀ, 6.3V XꢁR ceramic
capacitor (0603)
TDK C1608XꢁR0J47ꢁM
I
D
= 29A at +100°C
C19
1
4
International Rectifier IRFZ44N
1.00kΩ 1ꢀ resistors (1206)
4.99kΩ 1ꢀ resistors (1206)
R1, R2
R3, R9
2
2
100pF 10ꢀ, ꢁ0V C0ꢂ ceramic
capacitors (0603)
C20–C23
TDK C1608C0ꢂ1H101K
________________________________________________________________ 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.
MAX11008 Evaluation Kit/
Evaluation System
Component List (continued)
MAX11008EVKIT Component List (continued)
DESIGNATION QTY
DESCRIPTION
0Ω resistor (0603)
DESIGNATION QTY
DESCRIPTION
R4
1
2
2.ꢁV voltage reference (8 SO)
Maxim MAX6126AASA2ꢁ+
U2
U3
1
1
Rꢁ, R6
100Ω ꢁꢀ resistors (1206)
28V input linear regulator (ꢁ SOT23)
Maxim MAX161ꢁEUK+T
(Top Mark: ABZD)
1.00Ω 1ꢀ sense resistors (2010)
Vishay (Dale) CRCW20101R00FNEF
R7, R8
2
R10, R11
R12, R13
R14, R1ꢁ
2
2
2
0Ω resistors (1206)
—
—
21 Shunts
PCB: MAX11008 Evaluation Kit+
10kΩ ꢁꢀ resistors (1206)
47Ω ꢁꢀ resistors (1206)
1
*EP = Exposed pad.
Dual RF LDMOS CODEC
(48 TQFN-EP*)
U1
1
Maxim 11008BETM+
Component Suppliers
SUPPLIER
PHONE
WEBSITE
Evluate:MAX108
Fairchild Semiconductor
International Rectifier
TDK Corp.
888-ꢁ22-ꢁ372
310-322-3331
847-803-6100
402-ꢁ63-6866
www.fairchildsemi.com
www.irf.com
www.component.tdk.com
www.vishay.com
Vishay
Note: Indicate you are using the MAX11008 when contacting these component suppliers.
2) Carefully connect the boards by aligning the 40-pin
Quick Start
Required Equipment
Maxim MAX11008EVC16 (contains MAX11008EVKIT+
board, HSI2CMOD, and 68HC16MODULE-DIP)
header of the HSI2CMOD with the 40-pin connector of
the 68HC16MODULE-DIP module. ꢂently press them
together. The two boards should be flush against one
another. Next, connect the MAX11008 EVKIT 20-pin
connector to the HSI2CMOD board.
•
•
•
•
DC power supply, 8V at ꢁ00mA
DC power supply, 10V at 1000mA
3) Connect the 8V DC power source to the
68HC16MODULE at the terminal block located next
to the on/off switch, along the top edge of the mod-
ule. Observe the polarity marked on the board.
Windows 98/2000/XP computer with a spare serial
(COM) port
•
9-pin I/O extension cable
4) Connect a cable from the computer’s serial port to
the 68HC16MODULE. If using a 9-pin serial port,
use a straight-through, 9-pin female-to-male cable.
If the only available serial port uses a 2ꢁ-pin con-
nector, a standard 2ꢁ-pin to 9-pin adapter is
required. The EV kit software checks the modem
status lines (CTS, DSR, DCD) to confirm that the
correct port has been selected.
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.
Procedure
The MAX11008 EV kit is fully assembled and tested.
Follow the steps below to verify board operation. Caution:
Do not turn on the power until all connections are
completed.
ꢁ) Install the evaluation software on your computer by
launching MAX11008.msi. (The latest software can
be found at www.maxim-ic.com/evkitsoftware.)
The program files are copied and icons are created
for them in the Windows Start menu.
1) Ensure that the MAX11008EVKIT jumpers are set in
accordance with Table 1.
2
_______________________________________________________________________________________
MAX11008 Evaluation Kit/
Evaluation System
Evluate:MAX108
6) Turn on the 8V DC power supply.
A board’s jumper JUꢁ shunt. After successful connec-
tion, you will be prompted to read the EEPROM and
perform a full reset. Answering NO to this prompt
allows complete control of all read and write opera-
tions. Answering YES to the prompt initializes the ꢂUI
by bringing up the EEPROM tab, clicking Refresh,
then bringing up the ADC / Control tab and clicking
Full Reset, and finally in Working Registers clicking
Refresh.
Warning: Writing the UMSꢂ or STRM registers while
the ADC is continuously converting overwrites the con-
tents of the EEPROM with ADC conversion data. The
ꢂUI hides these detailed operations. Refer to source
code files drv11008.cpp and kit11008.asm for imple-
mentation details.
7) Start the MAX11008EVKIT program by opening its
icon in the Start menu.
8) Click the Connect button to establish communica-
tions with the 68HC16MODULE and HSI2CMOD
boards. The program prompts you to connect the
µC module and turn its power on. Slide SW1 to the
ON position. Select the correct serial port, and click
OK. The program automatically downloads its soft-
ware to the module. (During connection, you will be
asked to move the HSI2CMOD rev A board’s
jumper JUꢁ shunt.)
9) After successful connection, you will be prompted
to read the EEPROM and perform a full reset.
Answer YES to ensure that the software graphical
user interface (ꢂUI) and the working registers
match the initial values stored in the MAX11008’s
nonvolatile EEPROM.
EEPROM Tab (Figure 2)
Clicking the Refresh button reads the entire MAX11008
nonvolatile memory into the ꢂUI.
10) Bring up the ADC / Control tab.
To write a new value to an EEPROM cell, edit its hexa-
decimal value in the grid, either by clicking with the
mouse or by using the arrow keys and function key F2.
A prompt dialog box confirms writing the value and the
register.
11) Connect the 10V DC power supply to the
MAX11008EVKIT’s DRAIN1 (+) and SOURCE1 (-),
leaving DRAIN2 and SOURCE2 unconnected.
Note: The power-supply grounds are connected
through resistor R10.
The EV kit software uses BUSY hardware handshaking
when performing UMSꢂ (EEPROM block read). The EV
kit does not perform any handshaking when performing
STRM (EEPROM block write), since the communica-
tions data link to the PC is too slow to overflow the
MAX11008’s FIFO.
12) Turn on the 10V DC power supply. FET M1 may
begin drawing current. Adjust the channel 1 VꢂS
OFFSET control until the drain current is 12ꢁmA.
Keep a note of this board calibration value in case
factory defaults must be restored.
13) Check Force GATE1 off, and FET M1 stops drawing
Restoring Factory Configuration
The MAX11008 EV kit can be restored to its factory-
default EEPROM image by clicking Load from File and
choosing file MAX11008EVKIT-EEPROM.txt.
current.
14) Connect the 10V DC power supply to DRAIN2 (+)
and SOURCE2 (-). FET M2 may begin drawing cur-
rent. Adjust the channel 2 VꢂS OFFSET control until
the drain current is 12ꢁmA. Keep a note of this
board calibration value in case factory defaults
must be restored.
Working Registers Tab (Figure 3)
The ꢂUI remembers the working register values read
from or written to the hardware. Some of the working
registers are write-only, so the ꢂUI cannot always
determine the value.
1ꢁ) Uncheck Force GATE1 off. Both M1 and M2 should
draw 12ꢁmA each, compensating for temperature rise.
Clicking the Refresh button reads all readable
MAX11008 working registers into the ꢂUI.
Detailed Description of Software
The MAX11008 EV kit software ꢂUI is organized into
several tabs.
To write a new value to a register, edit either its hexa-
decimal value or the individual bits, either by clicking
with the mouse or by using the arrow keys and function
key F2. A prompt dialog box confirms writing the value
and the register.
Hardware Connection Tab (Figure 1)
Individual working registers may be read or written from
this tab. When the software first starts, click the
Connect button to establish communications with the
68HC16MODULE and HSI2CMOD boards. During con-
nection, you will be asked to move the HSI2CMOD rev
Working register values are read from the EEPROM at
device power-up, and after performing a full reset. The
Full Reset button is located on the ADC / Control tab.
_______________________________________________________________________________________
3
MAX11008 Evaluation Kit/
Evaluation System
Tables Tab (Figure 4)
There are four look-up tables (LUTs) that can be loaded:
TLUT1 and TLUT2 for temperature compensation, and
ALUT1 and ALUT2 for optional additional compensation.
The EV kit software includes an MS-Excel spreadsheet
file MAX11008_LUT_Example.xls, which models how
physical temperature and voltage parameters can be
mapped into the MAX11008’s EEPROM memory. Refer
to the Temperature/APC Configuration Registers section
in the MAX11008 IC data sheet for detailed operation of
the look-up tables.
Keyboard Navigation
When you type on the keyboard, the system must know
which control should receive the keys. Press the Tab
key to move the keyboard’s focus from one control to
the next. The focused control is indicated by a dotted
outline. Shift+Tab moves the focus to the previously
focused control. Buttons respond to the keyboard’s
SPACE bar. Some controls respond to the keyboard’s
UP and DOWN arrow keys. Activate the program’s
menu bar by pressing the F10 key, then press the letter
of the menu item you want. Most menu items have one
letter underlined, indicating their shortcut key.
A set of radio buttons selects one of the four LUT con-
figuration registers. After clicking the appropriate radio
button for TLUT1, ALUT1, TLUT2, or ALUT2, the soft-
ware displays configuration values (pointer offset, linear
interpolation, pointer size, table size, and start of table).
After modifying any of these configuration values, click
the Apply Changes button to write the new configura-
tion value for the selected table.
Detailed Description of Hardware
For the purpose of “table-top” demonstration, two MOSFETS
(M1 and M2) are provided on-board, taking the place of
the LDMOS FETs that would be used in a real application.
Diode-connected BJT transistors D1 and D2 sense the
temperature of each FET while remaining electrically iso-
lated by different PCB copper layers. Capacitors C20 and
C21 filter the external temperature measurements. ꢂate
drive is lowpass filtered by R14/C28 and R1ꢁ/C29. Drain
current is measured by Kelvin-connected precision resis-
tors R7 and R8, filtered by Rꢁ/C22 and R6/C23. Drain volt-
age is sensed by 6:1 resistor-dividers R9/R1 and R3/R3.
To initialize a table, click the radio button selecting the
desired table. Enter the value 0 into the edit field next to
the Fill with constant button, then click to fill the table
with zeros. Enter the known correction values into the
table from the EEPROM tab, or click Load from file to
load the table points from a text file. Finally, click
Interpolate entries that contain zero to perform linear
interpolation on all zero value table entries. (This opera-
tion is not the same as the MAX11008’s linear interpola-
tion between table entries. The ꢂUI software interpola-
tion fills in missing table entries.)
Evluate:MAX108
Power is provided from the HSI2CMOD board connect-
ed to J1. The digital supply connects directly to ꢁV
through jumper JU8. On-board MAX161ꢁ regulator U3
provides the ꢁV analog supply through jumper JU12.
On-board MAX6126 voltage reference U2 drives both
REFADC and REFDAC through jumpers JUꢁ and JU6.
The MAX11008 power is bypassed by C4, Cꢁ, and
C24–C27.
The memory map display shows which address range
is assigned to each enabled look-up table. Two or more
look-up tables may be assigned to the same address
range; however, they will contain identical data.
Overlapping table ranges are not recommended.
The complete evaluation system is a three-board set,
with the 68HC16 microcontroller driving the HSI2CMOD
board’s high-speed I2C interface core. Refer to the
HSI2CMOD online documentation for details.
Alarms Tab (Figure 5)
The Alarms tab configures the ALARM output pin, tem-
perature and current alarm limits, hysteresis, and alarm
behavior.
ADC / Control Tab (Figure 6)
The ADC / Control tab configures the system parameters,
reads ADC data, and controls the gate-driver outputs.
4
_______________________________________________________________________________________
MAX11008 Evaluation Kit/
Evaluation System
Evluate:MAX108
Table 1. Jumper Settings
JUMPER
SHUNT POSITION
Closed*
Open
DESCRIPTION
DVDD is powered from connector J1
JU8
DVDD must be provided by user
Closed*
Open
AVDD is powered by on-board regulator U3
AVDD must be provided by user
JU12
JUꢁ
Closed*
Open
REFDAC = 2.ꢁ00V from U2
REFDAC = internal 2.ꢁV from U1
Closed*
Open
REFADC = 2.ꢁ00V from U2
JU6
REFADC = internal 2.ꢁV from U1
Closed*
Open
Demo circuit RCS1+ connection
JU7
Use external user-provided current-sense connection
Demo circuit RCS1- connection
Closed*
Open
JU9
Use external user-provided current-sense connection
Closed*
Open
Demo circuit ADCIN1 sense M1 V
/4
DRAIN
JU10
JU11
JU13
JU1ꢁ
JU14
JU16
JU17
JU18
JU19
JU20
Use external user-provided ADCIN1 connection
Demo circuit M1 gate connection
Closed*
Open
Connect to external user-provided FET gate
Demo circuit D1 temperature sensor connection
Connect external user current-sense diode
Demo circuit RCS2+ connection
Closed*
Open
Closed*
Open
Use external user-provided current-sense connection
Demo circuit RCS2- connection
Closed*
Open
Use external user-provided current-sense connection
Closed*
Open
Demo circuit ADCIN2 sense M2 V
/4
DRAIN
Use external user-provided ADCIN2 connection
Demo circuit M2 gate connection
Closed*
Open
Connect to external user-provided FET gate
Demo circuit D2 temperature sensor connection
Connect external user current-sense diode
Force OPSAFE1 pin to DꢂND, normal operation
OPSAFE1 must be driven by a user-provided source
Force OPSAFE2 pin to DꢂND, normal operation
OPSAFE2 must be driven by a user-provided source
Closed*
Open
Closed*
Open
Closed*
Open
*Default position.
_______________________________________________________________________________________
5
MAX11008 Evaluation Kit/
Evaluation System
Table 1. Jumper Settings (continued)
JUMPER
SHUNT POSITION
DESCRIPTION
1-2*
2-3
A0 = DVDD (I2C address selection)
A0 = DꢂND (I2C address selection)
A0 must be driven by user
A1 = DVDD (I2C address selection)
A1 = DꢂND (I2C address selection)
A1 must be driven by user
A2 = DVDD (I2C address selection)
A2 = DꢂND (I2C address selection)
A2 must be driven by user
JU0
Open
1-2*
2-3
JU1
JU2
Open
1-2*
2-3
Open
1-2*
2-3
CNVST = DVDD (inactive)
JU3
JU4
CNVST = DꢂND (active)
Open
1-2
CNVST can be driven by user
DꢂND3 = DVDD (selecting SPI™ interface)
DꢂND3 = DꢂND (selecting (I2C interface)
2-3*
Evluate:MAX108
*Default position.
SPI is a trademark of Motorola, Inc.
6
_______________________________________________________________________________________
MAX11008 Evaluation Kit/
Evaluation System
Evluate:MAX108
Figure 1. Hardware Connection Tab After Successful Connection
Figure 2. EEPROM Tab Showing a Typical Configuration
_______________________________________________________________________________________
7
MAX11008 Evaluation Kit/
Evaluation System
Evluate:MAX108
Figure 3. Working Registers Tab Showing a Bit Field Search
Figure 4. Tables Tab Showing a Typical Configuration
_______________________________________________________________________________________
8
MAX11008 Evaluation Kit/
Evaluation System
Evluate:MAX108
Figure ꢁ. Alarms Tab Showing a Typical Configuration
Figure 6. ADC / Control Tab Showing a Typical Configuration
_______________________________________________________________________________________
9
MAX11008 Evaluation Kit/
Evaluation System
Evluate:MAX108
Figure 7. MAX11008 EV Kit Schematic
10 ______________________________________________________________________________________
MAX11008 Evaluation Kit/
Evaluation System
Evluate:MAX108
Figure 8. MAX11008 EV Kit Component Placement ꢂuide—Component Side
______________________________________________________________________________________ 11
MAX11008 Evaluation Kit/
Evaluation System
Evluate:MAX108
Figure 9. MAX11008 EV Kit PCB Layout—Component Side
12 ______________________________________________________________________________________
MAX11008 Evaluation Kit/
Evaluation System
Evluate:MAX108
Figure 10. MAX11008 EV Kit PCB Layout—ꢂround Layer 2
______________________________________________________________________________________ 13
MAX11008 Evaluation Kit/
Evaluation System
Evluate:MAX108
Figure 11. MAX11008 EV Kit PCB Layout—Power Layer 3
14 ______________________________________________________________________________________
MAX11008 Evaluation Kit/
Evaluation System
Evluate:MAX108
Figure 12. MAX11008 EV Kit PCB Layout—Solder Side
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.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 15
© 2009 Maxim Integrated Products
is a registered trademark of Maxim Integrated Products, Inc.
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