MAX16825EVKIT+ Maxim Integrated Products, MAX16825EVKIT+ Datasheet

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MAX16825EVKIT+

Manufacturer Part Number
MAX16825EVKIT+
Description
KIT EVAL FOR MAX16825
Manufacturer
Maxim Integrated Products
Datasheets
1.MAX16824AUE.pdf (13 pages)
2.MAX16825EVKIT.pdf (10 pages)

Specifications of MAX16825EVKIT+

Current - Output / Channel
100mA
Outputs And Type
3, Non-Isolated
Voltage - Output
26.3V
Features
Graphic User Interface
Voltage - Input
6.5 ~ 28V
Utilized Ic / Part
MAX16825
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX16825 evaluation kit (EV kit) demonstrates a
high-voltage, 3-channel, linear high-brightness LED (HB
LED) driver using the MAX16825 IC. This EV kit is config-
ured to supply an LED current of 100mA per channel and
operates from a 0.5A, 6.5V to 28V rated power supply.
The MAX16825 EV kit uses a standard 4-wire SPI™
interface for independently controlling each of the three
LED channels. The MAX16825 EV kit also integrates a
USB-to-SPI interface circuit based on Maxim’s
MAXQ2000 microcontroller. The EV kit includes
Windows 2000/XP/Vista
vides a simple graphical user interface (GUI) for exer-
cising the features of the MAX16825. The EV kit can
also interface with a user-supplied SPI circuit for stand-
alone operation.
19-4052; Rev 0; 2/08
SPI is a trademark of Motorola, Inc.
Windows Vista is a registered trademark of Microsoft Corp.
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.
C1, C3–C10, C17
DESIGNATION
C14, C16, C22
C2, C13, C15
C11, C12
C18, C19
C20
C21
________________________________________________________________ Maxim Integrated Products
QTY
10
3
2
3
2
1
1
®
General Description
-compatible software that pro-
0.1µF ±10%, 16V X7R ceramic
capacitors (0603)
TDK C1608X7R1C104K
10µF ±20%, 6.3V X5R ceramic
capacitors (0805)
TDK C2012X5R0J106M
10pF ±5%, 50V C0G ceramic
capacitors (0603)
TDK C1608C0G1H100J
1µF ±10%, 10V X5R ceramic
capacitors (0603)
Murata GRM188R61A105K
22pF ±5%, 50V C0G ceramic
capacitors (0603)
TDK C1608C0G1H220J
3300pF ±10%, 50V X7R ceramic
capacitor (0603)
TDK C1608X7R1H332K
1µF ±10%, 50V X7R ceramic
capacitor (1210)
Murata GRM32ER71H105K or
TDK C3325X7R1H105K
DESCRIPTION
MAX16825 Evaluation Kit
o Operates from a 6.5V to 28V, 0.5A Supply
o 3 Channels for Driving High-Brightness LEDs
o 100mA LED Current per Channel
o Evaluates a Stand-Alone 4-Wire SPI Interface
o USB-PC Interface (Cable Included)
o Windows 2000/XP/Vista (32-Bit)-Compatible
o Fully Assembled and Tested
+ Denotes lead-free and RoHS-compliant.
DESIGNATION
Software
R8, R9, R10
R6, R7
H1, J1
MAX16825EVKIT+
FB1
R11
D1
P1
R1
R2
R3
R4
R5
J2
PART
QTY
1
0
0
0
1
1
1
1
1
1
2
3
0
Ordering Information
Green LED (0603)
Panasonic LNJ314G8TRA
Not installed, ferrite-bead inductor
(0603)
Not installed, dual-row (2 x 5) 10-
pin headers
Not installed, dual-row (2 x 4) 8-
pin header
USB type-B right-angle female
receptacle
0Ω ±5% resistor (0603)
220Ω ±5% resistor (0603)
10kΩ ±5% resistor (0603)
2.2kΩ ±5% resistor (0603)
1.5kΩ ±5% resistor (0603)
27Ω ±5% resistors (0603)
2Ω ±1%, 0.25W sense resistors
(1206)
IRC WCR-WCR1206LF-2R00-F
Not installed, resistor (0402)
Component List
DESCRIPTION
TYPE
EV Kit
Features
1

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MAX16825EVKIT+ Summary of contents

Page 1

... LED Current per Channel o Evaluates a Stand-Alone 4-Wire SPI Interface o USB-PC Interface (Cable Included) o Windows 2000/XP/Vista (32-Bit)-Compatible Software o Fully Assembled and Tested Ordering Information PART MAX16825EVKIT+ + Denotes lead-free and RoHS-compliant. DESIGNATION QTY Green LED (0603 Panasonic LNJ314G8TRA Not installed, ferrite-bead inductor ...

Page 2

MAX16825 Evaluation Kit Component List (continued) DESIGNATION QTY DESCRIPTION SPI-controlled linear HB LED driver (16-pin TSSOP-EP Maxim MAX16825AUE+ Low-power 16-bit microcontroller (68-pin QFN-EP*, 10mm x 10mm Maxim MAXQ2000-RAX+ 93C46 type 3-wire EEPROM U3 1 (8-pin SO) ...

Page 3

USB cable from the board and reconnect it. Administrator priv- ileges are required to install the USB device driver on Windows. 10) Follow the directions of the Add New Hardware Wizard to install the ...

Page 4

MAX16825 Evaluation Kit Figure 2. The 3-Wire Interface Window Provides Direct, Low-Level Access to the MAX16825 and 3-Wire Serial Interface 4 _______________________________________________________________________________________ ...

Page 5

Detailed Description of Hardware The MAX16825 EV kit demonstrates a high-voltage, 3- channel, linear high-brightness LED driver using the MAX16825 16-pin TSSOP surface-mount pack- age. This EV kit is configured to supply an LED current of 100mA ...

Page 6

MAX16825 Evaluation Kit High Input Voltage and Thermal Protection The MAX16825 IC operates in linear mode result, the IC can dissipate significant power if operated using a high input voltage and a small V FLED pation may cause ...

Page 7

P7.0/TXO/INT14 P7.1/RXO/INT15 VLCD VLCD1 VLCD2 VADJ SEG0/P0.0 SEG1/P0.1 SEG2/P0.2 SEG3/P0.3 SEG4/P0.4/INT0 SEG5/P0.5/INT1 SEG6/P0.6/INT2 SEG7/P0.7/INT3 SEG8/P1.0 SEG9/P1.1 SEG10/P1.2 Figure 4. MAX16825 EV Kit Schematic—USB and SPI Interface Circuit _______________________________________________________________________________________ MAX16825 Evaluation Kit RESET P4.3/TD0 P4.2/TMS P4.1/TDI/INT9 P4.0/TCK/INT8 COM0 SEG35/COM1 SEG34/COM2 SEG33/COM3 ...

Page 8

MAX16825 Evaluation Kit Figure 5. MAX16825 EV Kit Component Placement Guide—Component Side 8 _______________________________________________________________________________________ ...

Page 9

Figure 6. MAX16825 EV Kit PCB Layout—Component Side _______________________________________________________________________________________ MAX16825 Evaluation Kit 9 ...

Page 10

... 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. 10 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2008 Maxim Integrated Products is a registered trademark of Maxim Integrated Products, Inc ...

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