MPS EV6001DN-00D Manuel utilisateur

EV6001DN-00D

WLED Driver

Evaluation Board

EV6001DN-00D Rev. 1.0 www.MonolithicPower.com 1

10/19/2007 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

The Future of Analog IC Technology

GENERAL DESCRIPTION

The EV6001DN-00D is an evaluation board for

the WLED driver application. It can drive 6

20mA strings of WLEDs with up to 10 WLEDs

per string. EV6001DN-00D has good current

balance among 6 strings. It also has PWM

dimming, EN function, and open circuit voltage

protection.

This device is available in an 8-pin SOIC

package with an exposed pad.

ELECTRICAL SPECIFICATIONS

Parameter Symbol Value Units

Input Voltage VIN 7 – 21 V

Output Voltage VOUT 33 V

Output Current IOUT 20mA x 6 mA

FEATURES

•Integrated 150V Power Switch

•Integrated 100V Startup Circuit

•Cycle-by-Cycle Current Limiting

•PWM Dimming

•Open Circuit Protection

•Backlight Current Balance

APPLICATIONS

•LCD Panel Backlight

•General and Accent Lighting

“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of

Monolithic Power Systems, Inc.

EV6001DN-00D EVALUATION AND LED BOARDS

(L x W x H) 2.6” x 0.6” x 0.2”

(6.5cm x 1.5cm x 0.5cm)

Board Number MPS IC Number

EV6001DN-00D MP6001DN

(L x W x H) 3.3” x 0.8” x 0.2”

(8.5cm x 2.0cm x 0.5cm)

Board Number MPS IC Number

MP6001 LED Board -00C MP6001DN

EFFICIENCY (%)

510152025

INPUT VOLTAGE (V)

Efficiency vs

Input Voltage

ILED = 20mA

EV6001DN-00D – WLED DRIVER EVALUATION BOARD

EV6001DN-00D Rev. 1.0 www.MonolithicPower.com 2

10/19/2007 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

EVALUATION BOARD SCHEMATIC

MP6001

GND

LINE

COMP

VIN

VCC

60V/2A

B260A-13-F

4.7nF

100pF

ZD4

2.2V R19

BAT54HT1

ZD1

1.8V

Q2 Q3 Q4 Q5

ZD2

6.8V

VCC

VIN

VOUT1

VOUT2

CN2

VIN

GND

DIM

CN1 1

LED BOARD SCHEMATIC

VOUT2

VOUT1

CN1

TP1

LED51-LED55

LED41-LED45

LED31-LED35

LED21-LED25

LED11-LED15

LED1-LED5

TP7

TP8

TP9

TP10

TP11

TP12

TP2

TP3

TP4

TP5

TP6

TP13

TP14

TP15

TP16

TP17

TP18

EV6001DN-00D – WLED DRIVER EVALUATION BOARD

EV6001DN-00D Rev. 1.0 www.MonolithicPower.com 3

10/19/2007 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

EV6001DN-00D BILL OF MATERIALS

Qty Ref Value Description Package Manufacturer Part Number

1 C1 10µF Ceramic Cap., 25V, X7R 1210 TDK C3225X7R1E106M

1 C2 2.2µF Ceramic Cap., 50V, X7R 1210 TDK C3225X7R1H225K

1 C3 4.7nF Ceramic Cap., 50V, X7R 603 TDK C1608X7R1H472K

1 C4 10µF Ceramic Cap., 16V X7R 1206 TDK C3216X7R1C106M

1 C5 100pF Ceramic Cap., 50V, NPO 603 TDK C1608C0G1H101J

2 C6, C7 Not Stuffed 603

2 R1, R3 10kΩFilm Res., 5% 603 Panasonic ERJ-3GEYJ103V

1 R2 10kΩFilm Res., 5% 805 Panasonic ERJ-6GEYJ103V

1 R4 10ΩFilm Res., 5% 805 Panasonic ERJ-6GEYJ100V

1 R5 61.9kΩFilm Res., 1% 603 Panasonic ERJ-3EKF6192V

1 R6 51.1kΩFilm Res., 1% 603 Panasonic ERJ-3EKF5112V

1 R7 40.2kΩFilm Res., 1% 603 Panasonic ERJ-3EKF4022V

1 R8 2.21kΩFilm Res., 1% 603 Panasonic ERJ-3EKF2211V

1 R9 100kΩFilm Res., 5% 603 Panasonic ERJ-3GEYJ104V

R10, R11,

R12, R13,

R14, R16

60.4ΩFilm Res., 1% 603 Panasonic ERJ-3EKF60R4V

1 R15 15kΩFilm Res., 5% 603 Panasonic ERJ-3GEYJ153V

1 R17 4.99kΩFilm Res., 1% 603 Panasonic ERJ-3EKF4991V

1 R18 0ΩFilm Res., 5% 603 Panasonic ERJ-3GEY0R00V

1 R19 Not Stuffed 603

1 L1 33µH Inductor, 2.2A SMD Sumida CDR7D43MN-330

2 Q1, Q2 Transistor, NPN, 40V, 350mW SOT-23 Diodes Inc MMBT3904-7-F

3 Q3, Q4, Q5 Transistor, Dual NPN, 40V, 200mA SOT-363 Diodes Inc MMDT3904-7-F

2 ZD1, ZD3 Diode Zener, 1.8V SOD-323 Central

Semiconductor CMSZ1L8

1 ZD2 Diode Zener, 6.8V SOD-123 Diodes Inc BZT52C6V8-7

1 ZD4 Diode Zener, 2.2V SOD-323 Central

Semiconductor CMDZ2L2

1 CN1 Connector Header, 4P, 2mm Any

1 CN2 Connector Header, 8P, 2mm Any

1 U1 DC-DC Converter SO-8 MPS MP6001DN

EV6001DN-00D – WLED DRIVER EVALUATION BOARD

EV6001DN-00D Rev. 1.0 www.MonolithicPower.com 4

10/19/2007 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

LED BOARD BILL OF MATERIALS (continued)

Qty Ref Value Description Package Manufacturer Part Number

6 R1 – R6 10ΩFilm Res., 5% 805 Panasonic ERJ-6GEYJ100V

LED6 – LED10

LED16 – LED20

LED26 – LED30

LED36 – LED40

LED46 – LED50

LED56 – LED60

LED61 – LED90

White LED, Surface Mount 603 LITE-ON Inc LTW-C191TS5

LED1 – LED5

LED11 – LED15

LED21 – LED25

LED31 – LED35

LED41 – LED45

LED51 – LED55

0ΩFilm Res., 5% 603 Panasonic ERJ-3GEY0R00V

1 CN1 Connector Header, 8 Pin, 2mm Any

EV6001DN-00D – WLED DRIVER EVALUATION BOARD

EV6001DN-00D Rev. 1.0 www.MonolithicPower.com 5

10/19/2007 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

PRINTED CIRCUIT BOARD LAYOUT

Figure 1—LED Board Top Silk Layer

Figure 2—LED Board Top Layer

Figure 3—LED Board Bottom Silk Layer

Figure 4—LED Board Bottom Layer

EV6001DN-00D – WLED DRIVER EVALUATION BOARD

NOTICE: The information in this document is subject to change without notice. Users should warrant and guarantee that third

party Intellectual Property rights are not infringed upon when integrating MPS products into any application. MPS will not

assume any legal responsibility for any said applications.

EV6001DN-00D Rev. 1.0 www.MonolithicPower.com 6

10/19/2007 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

Figure 5—Evaluation Board Top Silk Layer

Figure 6—Evaluation Board Top Layer

Figure 7—Evaluation Board Bottom Silk Layer

Figure 8—Evaluation Board Bottom Layer

QUICK START GUIDE

1. Connect the LED board to the WLED driver following the pinout.

2. Preset power supply output to 7V to 21V and turn off the power supply.

3. Connect the positive terminal of the power supply output to VIN pin, and the negative terminal of

the power supply output to GND pin.

4. Turn power supply on and the board will automatically startup.

5. To use Enable function, apply a digital input to EN pin. Drive EN with 2.5V-5V to turn off the

regulator, and drive EN less than 0.7V to turn it on.

6. To use Dim function, apply a 1KHz PWM signal to DIM pin (High > 4V – 5V, Low < 0.5V).

Change the duty cycle to adjust the brightness level.

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