MAX31785 Evaluation Kit Evaluates: MAX31785 General Description Features The MAX31785 evaluation kit (EV kit) provides the Easy Evaluation of the MAX31785 hardware and software graphical user interface (GUI) USB HID interface necessary to evaluate the MAX31785 6-channel intelli- Windows XP - and Window s 7-Compatible gent fan controller. The EV kit includes a MAX31785ETL+ Software 2 installed, as well as a 12V fan and USB-to-I C module to RoHS Compliant communicate with the PC. Proven PCB Layout EV Kit Contents Fully Assembled and Tested Assembled circuit board including MAX31785ETL+ DS3900 module Ordering Information appears at end of data sheet. 12V fan Mini-USB cable EV Kit Photo Windows and Windows XP are registered trademarks and registered service marks of Microsoft Corporation. 19-6535 Rev 0 12/12MAX31785 Evaluation Kit Evaluates: MAX31785 Component List DESIGNATION QTY DESCRIPTION DESIGNATION QTY DESCRIPTION B1 1 Yellow banana jack R005C, R005O, R105, R205, R305, 7 1k 1% resistors (0805) B2, B4 2 Black banana jacks R405, R505 B3 1 Red banana jack R007, R4, R5, R8, C001, C101, C201, 2.2nF, X7R ceramic 6 R11R15, R107, C301, C401, C501 capacitors (0805) 14 4.7k 1% resistors (0805) R207, R307, C004, C1, C2, C8, 100nF, X7R ceramic c8 R407, R507 C11, C12, C15, C21 capacitors (0805) R1R3, R23, R24 5 100k 1% resistors (0805) C002, C003, C102, R9, R10 2 1.2k 1% resistors (0805) C103, C202, C203, Do not populate, ceramic 0 C302, C303, C402, capacitors (0805) S1 1 Single-pole pushbutton switch C403, C502, C503 TP001TP004, C3, C5, C10, C16, 10nF, X7R ceramic capacitors TP1TP9, 6 C18, C20 (0805) TP101TP104, TP201TP204, 33 White test points 1F, X7R ceramic capacitors C4, C6, C17, C19 4 TP301TP304, (0805) TP401TP404, 10F, X7R ceramic capacitors TP501TP504 C7, C13 2 (0805) TP13, TP27 2 Red test points 47F tantalum capacitor C9 1 TP14TP21, TP23, (Case C) 11 Black test points TP24, TP26 Do not populate, tantalum C14 0 TP25 1 Yellow test point capacitor (Case C) 6-channel intelligent fan D1, D2 2 Red LEDs (1206) U1A 1 controller (40 TQFN-EP*) J1, P001, P1, Maxim MAX31785ETL+ P101, P201, P301, 8 2-pin headers, 2.54mm pitch Not installed, 6-channel P401, P501 intelligent fan controller U1B 0 P002C, P002O, (40 TQFN-EP*) P102, P202, P302, 7 4-pin headers, 2.54mm pitch Maxim MAX31785ETL+ P402, P502 Low-voltage, single-supply, Q001, Q101, Q201, npn transistors (3 SOT23) U001 1 SPDT switch (6 SC706) 6 Q301, Q401, Q501 Fairchild MMBT3904 Maxim MAX4599EXT-T R001, R002, USB communications module U2 1 R16R21, R101, Maxim DS3900 R102, R201, R202, 18 0 1% resistors (0805) Digital temperature sensor R301, R302, R401, U3 1 (8 SO, 150 mil) R402, R501, R502 Maxim DS75LVS+ R003, R006, R103, 1 PCB: MAX31785 EV KIT R106, R203, R206, 12 10 1% resistors (0805) *EP = Exposed pad. R303, R306, R403, R406, R503, R506 R004, R6, R7, R22, Do not populate, resistors R104, R204, R304, 0 (0805) R404, R504 Maxim Integrated 2 www.maximintegrated.com