MAX6639_09 Datasheet, PDF (1/18 Pages) Maxim Integrated Products – Evaluation Kit

19-4448; Rev 0; 1/09
MAX6639 Evaluation Kit
General Description
The MAX6639 evaluation kit (EV kit) is an assembled and
tested PCB used to evaluate the MAX6639 dual tempera-
ture sensor/fan controller. The MAX6639 monitors its own
die temperature and the junction temperature of one
external diode-connected transistor, or the junction tem-
peratures of two external diode-connected transistors. It
converts the temperature to 8-bit or 11-bit 2-wire serial
data that can be accessed over a 2-wire serial bus.
The MAX6639 EV kit includes both external diode-connect-
ed transistors (2N3906) soldered to the board, which can
be bypassed to connect the board through a twisted pair
to remote diodes close to your system.
The temperature data is also used by the internal dual
PWM fan-speed controller to adjust the speed of up to
two cooling fans. Speed control is accomplished by
tachometer feedback from the fan.
The EV kit also includes Windows^® 2000/XP- and
Windows Vista^®-compatible software, which provides a
simple user interface for exercising the features of the
MAX6639. The program is menu-driven and offers a
graphical user interface (GUI) complete with control but-
tons. The EV kit comes with the MAX6639AEE+ installed.
Contact the factory for free samples of the pin-compatible
MAX6639FAEE+ and MAX6640AEE+.
The MAX6639 EV kit also evaluates the MAX6640. The
MAX6640 is not recommended for new designs.
Features
o Two Thermal-Diode Inputs
o Local Temperature Sensor
o Programmable Temperature Alarms
o Two PWM Outputs for Fan Drive
o Up to 25kHz PWM Output Frequency
o Programmable Fan-Control Characteristics
o 3-Wire and 4-Wire Fan Configurations
o On-Board Microcontroller to Generate
SMBus™/I²C Commands
o USB-PC Connection (Cable Included)
o Windows 2000/XP- and Windows Vista
(32-Bit)-Compatible Software
o Easy-to-Use, Menu-Driven Software
o Lead(Pb)-Free and RoHS Compliant
o Fully Assembled and Tested
Ordering Information
PART
TYPE
MAX6639EVKIT+
EV Kit
+Denotes lead(Pb)-free and RoHS compliant.
Windows and Windows Vista are registered trademarks of
Microsoft Corp.
SMBus is a trademark of Intel Corp.
DESIGNATION QTY
DESCRIPTION
C1, C12, C14
10µF ±10%, 16V X5R ceramic
3 capacitors (0805)
Murata GRM21BR61C106K
C2, C3
22pF ±5%, 50V C0G ceramic
2 capacitors (0603)
Murata GRM1885C1H220J
0.033µF ±10%, 25V X7R ceramic
C4
1 capacitor (0603)
TDK C1608X7R1E333K
C5–C10 , C17,
C18, C19
0.1µF ±10%, 16V X7R ceramic
9 capacitors (0603)
TDK C1608X7R1C104K
1µF ±10%, 16V X5R ceramic
C11, C13, C22 3 capacitors (0603)
TDK C1608X5R1C105K
C15, C16
10pF ±5%, 50V C0G ceramic
2 capacitors (0603)
Murata GRM1885C1H100J
Component List
DESIGNATION QTY
DESCRIPTION
C20, C21
2200pF ±10%, 50V X7R ceramic
2 capacitors (0603)
Murata GRM188R71H222K
D1, D2, D3
3 Red LEDs (0603)
D4
1 Green LED (0603)
H1
0
Not installed, dual-row (2 x 5)
10-pin JTAG header
J1, J2
2
3-pin headers, 0.1in pitch, vertical,
friction lock
J3, J4
2
4-pin headers, 0.1in pitch, vertical,
friction lock
JU1–JU7
7 3-pin headers
JU8–JU13
0
Not installed, 2-pin headers—shorted
by PCB trace
L1
1
Ferrite bead (0603)
TDK MMZ1608R301A
________________________________________________________________ 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.