The STEVAL-ILL066V1 evaluation board is a complete and configurable solution that efficiently controls a single dimmable high brightness LED string using the STLUX385A digital controller. The LED efficiency is high during all stages of dimming and the STEVAL-ILL066V1 can achieve a 92% efficiency during full load while maintaining a low, less than 200 mW power consumption during idle periods.
The STLUX385A device handles a primary side regulated power conversion stage as well as all the supported communication links.
The power conversion stage consists of a PFC regulator followed by a “Zero Voltage Switching” (ZVS) LC resonant stage. The high precision dimming is adjusted using a primary side regulation (PSR) control technique.
The LED brightness can be dimmed by controlling the LED current down to a very low level.
The STEVAL-ILL066V1 evaluation board provides all the physical communication interfaces such as a DALI, insulated 0-10 and UART. All the communication is managed by the STLUX385A device. The UART interface and STLUX385A flexibility allow to quickly connect the STEVAL-ILL066V1 to alternative interfaces such as Wi-Fi, power line modems, Bluetooth® and Zigbee®. (Previous part number was STEVAL385LEDPSR).
| Manufacturer | STMicroelectronics |
|---|---|
| Category | Lighting |
| Sub-Category | LED Drivers - AC / Offline |
| Eval Board Part Number | 497-14695-ND |
| Eval Board Supplier | STMicroelectronics |
| Eval Board |
Board not Stocked
|
| AC Voltage |
115 V
230 V Universal |
| Outputs and Type |
1 Isolated
|
| Current Out |
500 mA
1 A |
| Voltage Out (Max) |
100V / 200V
|
| Efficiency @ Conditions |
>90%, 305 VAC in, 0.44 ~ 1 A
>88%, 260 VAC, 0.42 ~ 1 A >88%, 220 VAC, 0.2 ~ 1 A >85%, 90 VAC, 0.1 ~ 1 A >85%, 170 VAC, 0.18 ~ 1 A >85%, 125 VAC, 0.15 ~ 1 A |
| Features |
Current Limit (Adj. or Fixed)
DALI Interface Dimming Control Fault Indication I²C Interface Open Circuit Protection Short Circuit Protection Shutdown, Enable, Standby UART Interface |
| Switching Frequency |
16 MHz
|
| Component Count + Extras |
202 + 20
|
| Design Author |
STMicroelectronics
|
| Application / Target Market |
Lighting: LED Commercial Lighting
Lighting: LED Home Lighting |
| Voltage In |
90 ~ 265 VAC
|
| Power Factor |
>0.95
|
| Standard(s) |
IEC60929
IEC62386 |
| Main I.C. Base Part |
STLUX385A
|
| Date Created By Author | 2014-05 |
| Date Added To Library | 2015-11 |
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