Diodes 24V145mA Buck Boost LED Driver Controller User Guide
- June 11, 2024
- DIODES
Table of Contents
Diodes 24V145mA Buck-Boost LED Driver Controller
Product Usage Instructions
Connection Instructions
- AC+ Input: AC_L
AC- Input: AC_N
DC LED+ Output: LED+ (Red)
DC LED- Output: LED- (Black)
Quick Start Guide
- Preset the isolated AC source to 230VAC.
- Ensure that the AC source is switched OFF or disconnected.
- Connect the anode wire of the LED string to the LED+ of the evaluation board.
- Connect the cathode wire of the LED string to the LED- terminal of the evaluation board.
- Connect two AC line wires to the AC_L and AC_N terminals on the evaluation board.
- Ensure that the area around the board is clear and safe, and preferably that the board and LEDs are enclosed in a transparent safety cover.
- Turn on the main switch. The LED string should light up.
Caution: DO NOT TOUCH THE BOARD, LEDs OR BARE WIRING. This AL1697 evaluation board is a non-isolated design. All terminals carry high voltage during operation!
FAQ
Q: Is the AL1697 evaluation board isolated?
A: No, the AL1697 evaluation board is a non-isolated design. All terminals carry high voltage during operation.
General Description
- This demonstration board utilizes the AL1697 Buck-boost LED driver-controller providing a cost-effective solution for dimmable in offline high brightness LED applications.
- This user-friendly evaluation board provides users with a quick connection to their different types of LED strings. The demonstration board can be modified easily to adjust the LED output current and the number of series-connected LEDs that are driven.
- A bill of materials is included that describes the parts used on this demonstration board. A schematic and layout have also been included along with measured performance characteristics.
- These materials can be used as a reference design for your products improving your product’s time to market.
Key Features
- Dimmable
- Active PFC with power factor >0.85
- High efficiency >75%
- Sing winding
- Low THD
- Good dimmer compatibility
- Low BOM cost
Applications
Mains dimmable application
Specifications
AL1697 Buck-Boost Specifications
| Parameter | Value |
|---|---|
| AC Input Voltage | 230V |
| Output Power | 3.48W |
| LED Current | 145mA |
| LED Voltage | 24V |
| Power Factor | >0.85 |
| Efficiency | 75% |
| XYZ Dimension | 32 x 29 x 10mm |
| ROHS Compliance | Yes |
Evaluation Board
Connection Instructions:
- AC+ Input: AC_L
- AC- Input: AC_N
- DC LED+ Output: LED+ (Red)
- DC LED- Output: LED- (Black)
Board Layouts
Quick Start Guide
- Preset the isolated AC source to 230VAC.
- Ensure that the AC source is switched OFF or disconnected.
- Connect the anode wire of the LED string to the LED+ of the evaluation board.
- Connect the cathode wire of the LED string to the LED- terminal of the evaluation board.
- Connect two AC line wires to the AC_L and AC_N terminals on the evaluation board.
- Ensure that the area around the board is clear and safe, and preferably that the board and LEDs are enclosed in a transparent safety cover.
- Turn on the main switch. The LED string should light up.
- DO NOT TOUCH THE BOARD, LEDs OR BARE WIRING.
- Caution: This AL1697 evaluation board is a non-isolated design. All terminals carry high voltage during operation!
Schematic
Transformer Design
Bobbin and Core EE8.3/6 Vertical 3+3 pin
Transformer Parameters
Single winding (Pin5-Pin3): Lp=0.75mH, ±5%@1kHz
Transformer Winding Construction Diagram
| Item | Winding name | Description |
|---|---|---|
| 1 | Single winding | Start at Pin 5, Wind 120 turns of Φ0.2mm wire and finish on |
Pin 3
2| Insulation| 3Layers of insulation tape
Bill of Material
| # | Item | Quality | Package | Description |
|---|---|---|---|---|
| 1 | C1 | 1 | DIP | 10nF/400V, CL21, Pitch=7.5mm |
| 2 | C2 | 1 | DIP | 100nF/400V, CL21, Pitch=7.5mm |
| 3 | C3 | 1 | DIP | 22nF/400V, CL21, Pitch=7.5mm |
| 4 | C4 | 1 | 0805 | Ceramic Cap, 1uF/25V,X7R |
| 5 | C5 | 1 | 0805 | Ceramic Cap, 0.47uF/35V,X7R |
| 6 | C6 | 1 | 0603 | Ceramic Cap, 0.47uF/25V,X7R |
| 7 | C7 | 1 | DIP | E-Cap, 130℃,220uF/35V, 8*13mm |
| 8 | C8 | 1 | DIP | E-Cap, 105℃,10uF/35V, 5*7mm |
| 9 | BD1 | 1 | SOPA-4 | Rectifier Bridge,MB10S,1A/1000V |
| 10 | D1 | 1 | SOD-123 | 1N4007, 1A/1000V,Diodes Inc |
| 11 | D2 | 1 | SMA | Fast Recovery Diode, US1J, 1A/600V |
| 12 | D4 | 1 | SOD-123 | Switching diode, 1N4148,Diodes Inc |
| 13 | D5 | 1 | SOD-123 | DDZ9683,3V Zener, Diodes Inc |
| 14 | RF1 | 1 | DIP | Fuse Resistor,200R, 5%, 1W |
| 15 | R1, R2 | 2 | 0805 | Resistor, 4.7K, 5%, 1/8W |
| 16 | R3 | 1 | 2010 | Resistor,390R, 5%, 1W |
| 17 | R5 | 1 | 0603 | Resistor,27K, 5%, 1/8W |
| 18 | R6 | 1 | 1206 | Resistor,5.1K, 5%, 1/8W |
| 19 | R4,R7 | 2 | 1206 | Resistor,100K, 5%, 1/4W |
| 20 | R8 | 1 | 0805 | Resistor,27K, 5%, 1/8W |
| 21 | R10 | 1 | 0805 | Resistor,2.4R, 1%, 1/8W |
| 22 | R11 | 1 | 0805 | Resistor,3.3R, 1%, 1/8W |
| 23 | R12 | 1 | 1206 | Resistor,33K, 5%, 1/4W |
| --- | --- | --- | --- | --- |
| 24 | R13,R14 | 2 | 1206 | Resistor,270K, 5%, 1/4W |
| 25 | R15 | 1 | 0805 | Resistor,47K, 5%, 1/8W |
| 26 | L1, L2 | 2 | DIP | Color Code Inductor 4.7mH, 0510 |
| 27 | L3 | 1 | DIP | EE8.3/6,Vertical,3+3pin,SingleWinding,0.75mH |
| 28 | Q1 | 1 | SOT-23 | Mosfet,DMG3420U, 20V/4A,Diodes Inc |
| 29 | U1 | 1 | SOIC-7 | AL1697-40D,Diodes Dimmable IC |
| 30 | PCB | 1 | FR4 | FR4 Double layer,32*29mm |
Functional Performance
Dimming Test
Dimmer compatibility and dimming range
BOX Type| Dimmer Type| Io(A)| Dimming
percentage(%)| Flicker or not
---|---|---|---|---
min| max| min| max
Box1| Gira 030700 T 20-525W| 40.3| 143.3| 27.79%| 98.83%| No
Busch Jaeger 6519U T 40-550W| | | | | Flicker
Busch Jaeger 6517 U-101 L
60-400W
| ****
7.7
| ****
142.1
| ****
5.31%
| ****
98.00%
| ****
Flicker
PEHA D 80 433ＶＬ60-300Ｗ| 6.1| 143| 4.21%| 98.62%| Flicker
Berker 281902 L 20-315W| 0| 143.2| 0.00%| 98.76%| No
Gira 030000 I01 L60-400W| 0| 143| 0.00%| 98.62%| No
Merten 5771-99 T 20-315W| 59.3| 142.8| 40.90%| 98.48%| No
PEHA 433HAB T 20-315Ｗ| 41.8| 142.7| 28.83%| 98.41%| No
ABB STD 50-3 L 60-500W| 44.1| 143.4| 30.41%| 98.90%| No
Berker 2874 T 20-250W| 85.6| 143.7| 59.03%| 99.10%| No
Box2| Busch Jaeger 6513U-102 T 40-
420W
| 58.4| 145.2| 40.28%| 100.14%| No
Busch Jaeger 6523U-LED L 2-
100W
| 27.1| 141.9| 18.69%| 97.86%| No
Berker 2875 L 60-600W| 27.1| 143.2| 18.69%| 98.76%| No
Legrand 775903 T 420W| 65.5| 142.9| 45.17%| 98.55%| No
Merten 5771-99 T 20-315W| | | | | Flicker
Siamens 5TCB 284 T 20-525W| 63.4| 145.1| 43.72%| 100.07%| No
Gira 117600 U 50-420W| 54.2| 144.3| 37.38%| 99.52%| No
Busch-Jae 2247U L 500W| 21.2| 143.3| 14.62%| 98.83%| No
KOPP/Sicherung 8033 L 40-400W| | | | | Flicker
He T46 T 20-315W| 48.8| 143.2| 33.66%| 98.76%| No
Box3| Berker 2861 10 U50-420W| 53.1| 141.9| 36.62%| 97.86%| No
---|---|---|---|---|---|---
Busch-Jaeger 2250U L 60-600W| 12.1| 143.9| 8.34%| 99.24%| Flicker
Jung 254 UDIE1 U50-420W| 53.3| 142.7| 36.76%| 98.41%| No
Jung 1254 UDE U50-420W| 42.7| 139.3| 29.45%| 96.07%| No
Gira 030200/I01 L60-600W| 30.3| 143.1| 20.90%| 98.69%| No
EVERFLOURISH EFM700DC T 25-
150W
| 60.5| 141.8| 41.72%| 97.79%| No
IKEA E0902-DIM L25-150W| 20.7| 143.5| 14.28%| 98.97%| No
Busch-Jaeger 2200 L60-400W| 42.8| 143| 29.52%| 98.62%| No
ELSO ATD315 T40-315W| 46.6| 141| 32.14%| 97.24%| No
CLIPSAL 32E450LM L 20-450W| | | | | Flicker
Dimming Curve
Functional Waveform
Waveforms:
- Input Voltage & Input Current
- Vin=230V/50Hz Input Voltage Input Current
- LED Current Ripple
- Vin=230VAC/50Hz Ripple=7mA LED Current
- Output Diode VR Waveform
- Vin=265VAC/50Hz VRRM_MAX=424V Output Diode VR
- Start time
- Vin=208VAC/50Hz Start time=250ms Input Voltage Output Current
- Input AC Current vs Dimmer Phase
- Vin=230VAC/50Hz
- Max Conduction Angle 151deg Input Voltage Input Current
- Input AC Current vs Dimmer Phase
- Vin=230VAC/50Hz
- Mid-Conduction Angle 90deg Input Voltage Input Current
- LED Open Protection
- (Vin=230VAC, Y-VCC, R-Drain, B-Vout)
- LED Short Protection
- (Vin=230VAC, Y-VCC, R-Drain, B-Vout)
Thermal Test
- Top
- Vin=230VAC/50Hz Test time=60min
- Bottom
- Vin=230VAC/50Hz Test time=60min
EMI Conduction Test
- Line Terminal
- Vin=230VAC/50Hz LIMIT CHECK PASS
- Neutral Terminal
- Vin=230VAC/50Hz LIMIT CHECK PASS
- Line Terminal
- Vin=230VAC/50Hz Margin>12dB
- Neutral Terminal
- Vin=230VAC/50Hz Margin>6dB
IMPORTANT NOTICE
- DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, ABOUT THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
- Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on the Diodes Incorporated website, harmless against all damages.
- Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channels.
- Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
- Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings noted herein may also be covered by one or more United States, international or foreign trademarks.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
- are intended to be implanted into the body, or
- support or sustain life and whose failure to perform when properly used per instructions for use provided in the labelling can be reasonably expected to result in significant injury to the user.
- B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness.
- Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related information or support that may be provided by Diodes Incorporated.
- Further, Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of Diodes
- Incorporated products in such safety-critical, life-support devices or systems.
- Copyright © 2013, Diodes Incorporated
- www.diodes.com
- AL1697
- February 2016
- www.diodes.com
Documents / Resources
|
Diodes 24V145mA Buck Boost LED Driver
Controller
[pdf] User Guide
24V145mA Buck Boost LED Driver Controller, 24V145mA, Buck Boost LED Driver
Controller, LED Driver Controller, Driver Controller, Controller
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