AL9902EV1 User Guide

AL9902EV1 User Guide
Universal High Voltage LED Driver
with Integrated MOSFET
General Description This demonstration board utilizes the AL9902 high voltage PWM LED Buck controller with integrated MOSFET providing a cost effective solution for offline high brightness LED applications. This user‐
friendly evaluation board provides users with quick connection to their different types LEDs string. The demonstration board can be modified to adjust the LED output current (140mA) and the number of series connected LEDs that are driven. Key Features 
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Integrated 650V/2A MOSFET High output voltage, 50V ~ 86% efficiency <5% line regulation (100VAC to 240VAC) Universal AC input voltage (100VAC to 240VAC) No electrolytic capacitor Low BOM cost Applications 
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A60 Type LED light bulb Other LED lighting AL9902 EV1 Specifications Parameter
Value Input Voltage Output Power LED Current LED Voltage Efficiency Number of LEDs 100 to 240VAC 6 – 8W 160mA (Adjustable) 51V ~86% 17 LEDs in series (Under Tested) 0.6 ” x 2.4” x 0.6” Yes XYZ Dimension ROHS Compliance Evaluation Board AC+
LED+
AC-
Figure 1: Top View AC+
LED+
AC-
LED-
Figure 2: Bottom View Connection Instructions Input Voltage: 100 to 240VAC (AC+, AC‐) LED Outputs: LED+ (Red), LED‐ (Black) Evaluation Board Schematic AL9902EV1 Rev1
August 2015
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LED-
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AL9902EV1 User Guide
Universal High Voltage LED Driver
with Integrated MOSFET
Figure 3: Evaluation Board Schematic Evaluation Board Layout
Figure 4: PCB Board Layout Top View Figure 5: PCB Board Layout Bottom View Quick Start Guide 1. By default, the evaluation board is preset at 140mA LED Current by R5 and R6. Non‐
Dimmable by R2, remove R2 to allow PWM Dimming input. 2. Ensure that the AC source is switched OFF or disconnected. 3. Connect the AC line wires of power supply to “AC+ and AC‐” on the left side of the board. 4. Connect the anode wire of external LED string to LED+ output test point. 5. Connect the cathode wire of external LED string to LED‐ output test point. 6. Turn on the main switch. LED string should light up. AL9902EV1 Rev1
August 2015
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AL9902EV1 User Guide
Universal High Voltage LED Driver
with Integrated MOSFET
Bill of Material #
1 2 Name
U1 BD1 QTY
1 1 Part number
3 4 5 6 D1
1 1 1 1 ES1G-13-F
7 8 C1, C2
2 1 VJ1812Y104KXEAT5Z
9 10 11 12 13 14 C4
1 0 2 1 2 1 CGA9N3X7S2A106M230KB
Z1
L1
L2
C3
C5
R1,R2
R3
R5, R6
F1
AL9902DFN6040-12
HD06-T
SMBJP6KE440CA
LPS5015-225ML
13R155C
C1608X5R1C106M080AB
Not Fitted
RC0603JR-070RL
RC0603FR-07200KL
RL0805FR-071R69L
2410SFV1.00FM/125-2
Manufacturer
Diodes Inc Diodes Inc Description
LED Driver Diodes Inc Diodes Inc Coilcraft Murata DIODE Super FAST 1A 400V SMA
Vishay TDK TDK Yageo
Yageo Yageo
Bel Fuse Bridge Rectifiers 0.8A 600V
TVS bidirectional diode 600W 602V
2.2mH 64mA
IND Power 1.5mH
CAP CER (MLCC) - SMD/SMT
1812 0.1uF 500V X7R 10%
CAP CER 10uF 16V X5R 0603
Multilayer Ceramic Capacitors (2220)
10µF 100V X7R 20%
JMPR 0.0Ω 1/4W 0603 SMD
RES 200KΩ 1/10W 1% 0603 SMD
RES 1.69Ω 1/8W 1% 0805 SMD
Fuse, 1A, 250V, 1810
AL9902EV1 Rev1
August 2015
www.diodes.com
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AL9902EV1 User Guide
Universal High Voltage LED Driver
with Integrated MOSFET
Functional Performance (No Electrolytic Capacitor across output LEDs) Board Type VIN PFC (VAC) IIN (mA) AL9902EV1 Module Board 100 0.563 157.73 110 PIN
(W) VLED
(V) ILED
(mA) PLED
(W) ILED
Efficiency Athd
Ripple (%) (%) (%) 8.88 48.77 160.3 7.82 28
88.03 43.35 0.539 152.97 9.04 48.82 163.8 7.99 28
88.43 51.11 120 0.516 147.70 9.16 48.86 165.0 8.06 28
88.02 58.68 130 0.498 143.65 9.30 48.90 168.2 8.22 28
88.42 60.55 200 0.391 126.33 9.90 49.12 176.3 8.66 28
87.52 94.07 210 0.379 125.48 9.98 49.11 176.9 8.69 28
87.06 99.90 220 0.365 124.77 9.99 49.12 177.7 8.73 28
87.32 100.61 230 0.351 124.07 10.03 49.10 178.4 8.76 28
87.35 101.60 240 0.340 124.02 10.12 49.10 179.3 8.80 28
86.98 110.10 AL9902EV1 Rev1
August 2015
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AL9902EV1 User Guide
Universal High Voltage LED Driver
with Integrated MOSFET
Functional Performance Efficiency (%) vs Vin (VAC)
LED Current (mA) vs Vin (VAC)
AL9902EV1
Vin=100‐240VAC; OUT=17LEDs in series
90
190
LED Current [mA]
Efficiency [%]
89
88
87
86
AL9902EV1
Vin=100‐240VAC; OUT=17LEDs in series
180
170
160
150
140
85
80
100
120
140
160
180
200
220
240
260
80
100
120
140
160
180
200
220
240
Vin [VAC]
Vin [VAC]
Figure 2. LED Current vs. Vin
Figure 1. Efficiency vs. Vin
PF vs Vin (VAC)
AL9902EV1
Vin=100‐240VAC; OUT=17LEDs in series
0.70
0.60
PF
0.50
0.40
0.30
0.20
0.10
0.00
80
100
120
140
160
180
200
220
240
260
Vin [VAC]
Figure 3. PFC vs. Vin
AL9902EV1 Rev1
August 2015
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260
AL9902EV1 User Guide
Universal High Voltage LED Driver
with Integrated MOSFET
Waveform #1=> Channel 1: Vin = 120VAC, Channel 2: ILED AL9902EV1 Board
Vin = 120VAC
ILED=180mA
Condition: IN=120VAC; OUT=17 LEDs in series / 180mA, No E-Cap
Waveform #2=> Channel 1: Vin = 230VAC, Channel 2: ILED AL9902EV1 Board
Vin = 230VAC
ILED=180mA
Condition: IN=230VAC; OUT=17 LEDs in series / 180mA, No E-Cap
AL9902EV1 Rev1
August 2015
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AL9902EV1 User Guide
Universal High Voltage LED Driver
with Integrated MOSFET
IMPORTANT NOTICE
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Copyright © 2015, Diodes Incorporated
www.diodes.com
AL9902EV1 Rev1
August 2015
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