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General Description

The MAX17129 evaluation kit (EV kit) provides a proven

design to evaluate the MAX17129 high-efficiency driver

for white light-emitting diodes (WLEDs). The EV kit

utilizes a step-up DC-DC converter to generate the

voltage required to drive up to six strings of 10 surface-

mount WLEDs. The EV kit uses a 3V to 26V input supply

and can be configured to provide an adjustable 10mA to

45mA full-scale LED current.

Installed on the EV kit is the MAX17129ETE+. Contact

the factory for free samples of the pin-compatible

MAX17149ETE+.

Features

S 3V to 26V Input Range

S Drives Six Strings of 10 WLEDs

S Full-Scale LED Current Adjustable from 10mA to

45mA

S Adjustable Switching Frequency of 500kHz or

1MHz

S Proven PCB Layout

S Fully Assembled and Tested

DESIGNATION QTY DESCRIPTION

C1 1

4.7FF Q10%, 50V X7R ceramic

capacitor (1210)

Murata GRM32ER71H475K

C2, C8–C19 0

Not installed, ceramic capacitors

(0603)

C3 1

0.1FF Q10%, 50V X5R ceramic

capacitor (0603)

Murata GRM188R61H104K

C4 1

1FF Q10%, 16V X5R ceramic

capacitor (0603)

Murata GRM188R61C105K

C5 1

2.2FF Q10%, 50V X7R ceramic

capacitor (1210)

Murata GRM32ER72A225K

C6, C7 2

1FF Q10%, 50V X7R ceramic

capacitors (0805)

C20 0

Not installed, ceramic capacitor

(0805)

D1 1

2A, 40V Schottky diode (M flat)

Toshiba CMS11

DESIGNATION QTY DESCRIPTION

D2–D61 60 3.5V, 20mA white LEDs

FSEL 0 Not installed, test point

L1 1

10FH, 1.2A inductor

Sumida CR6D09HPNP-100MC

JU1–JU7 7 3-pin headers

JU8–JU15,

JU17

9 2-pin headers

JU16 0

Not installed, 2-pin header—

shorted by PC trace

R1 1

500kI multiturn potentiometer

R2 1

39kI Q5% resistor (0603)

R3 1

10kI Q5% resistor (0603)

R4 1

300kI Q5% resistor (0603)

R5 1

10I Q5% resistor (0603)

R6–R11 0 Not installed, resistors (0603)

U1 1

White LED driver (16 TQFN EP)

Maxim MAX17129ETE+

— 16 Shunts

— 1

PCB: MAX17129 EVALUATION

KIT+

SUPPLIER PHONE WEBSITE

Murata Electronics North America, Inc. 770-436-1300 www.murata-northamerica.com

Sumida Corp. 847-545-6700 www.sumida.com

Toshiba America Electronic Components, Inc. 949-623-2900 www.toshiba.com/taec

MAX17129 Evaluation Kit

Evaluates: MAX17129/MAX17149

_________________________________________________________________ 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.

Component List

Component Suppliers

19-5766; Rev 0; 2/11

Ordering Information appears at end of data sheet.

Note: Indicate that you are using the MAX17129 when contacting these component suppliers.

Summary of content (8 pages)

PAGE 1
9-5766; Rev 0; 2/11 MAX17129 Evaluation Kit Evaluates: MAX17129/MAX17149 General Description Features The MAX17129 evaluation kit (EV kit) provides a proven design to evaluate the MAX17129 high-efficiency driver for white light-emitting diodes (WLEDs). The EV kit utilizes a step-up DC-DC converter to generate the voltage required to drive up to six strings of 10 surfacemount WLEDs.
PAGE 2
MAX17129 Evaluation Kit Evaluates: MAX17129/MAX17149 • MAX17129 EV kit Quick Start 1) Verify that all jumpers are in their default positions, as shown in Table 1. Required Equipment 2) Connect the positive terminal of the power supply to the VIN PCB pad and the negative terminal to the nearest PGND PCB pad on the EV kit. • 3V to 26V DC power supply (VIN) Procedure The EV kit is fully assembled and tested. Follow the steps below to verify board operation.
PAGE 3
MAX17129 Evaluation Kit Evaluates: MAX17129/MAX17149 Table 1. Jumper Descriptions (JU1–JU15, JU17) (continued) JUMPER JU14 JU15 SHUNT POSITION DESCRIPTION 1-2 Removes WLEDs D19, D20, and D21 from the string of WLEDs going to the FB2 pin of the device. When installing the MAX17149, the shunt is only allowed in this position. Open* Connects WLEDs D19, D20, and D21 to the string of WLEDs going to the FB2 pin of the device.
PAGE 4
MAX17129 Evaluation Kit Evaluates: MAX17129/MAX17149 Figure 1.
PAGE 5
MAX17129 Evaluation Kit Evaluates: MAX17129/MAX17149 1.0” Figure 2. MAX17129 EV Kit Component Placement Guide— Component Side 1.0” Figure 3.
PAGE 6
MAX17129 Evaluation Kit Evaluates: MAX17129/MAX17149 1.0” Figure 4.
PAGE 7
MAX17129 Evaluation Kit Evaluates: MAX17129/MAX17149 Ordering Information PART TYPE MAX17129EVKIT+ EV Kit +Denotes lead(Pb)-free and RoHS compliant.
PAGE 8
MAX17129 Evaluation Kit Evaluates: MAX17129/MAX17149 Revision History REVISION NUMBER REVISION DATE 0 2/11 DESCRIPTION Initial release PAGES CHANGED — 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.