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STMicroelectronics HVLED001A | Demoboard LT.LED0038.16
Offline controller for LED lighting with constant voltage primary-sensing and high power factor
Overview
| Topology | Flyback Converter |
| Input voltage | 18 V |
| Output 1 | 12 V |
| IC revision | 1 |
Description
a cloud based smart solar light emitting diode (LED) streetlightsolution that work on constant current mode using interleaved boost converter as a primary powerconverter. The input to interleaved boost converter is a 12V battery source which is charged by asolar panel. The battery charger is working on solar maximum power point tracking scheme usingmicrocontroller STM32F3. In absence of battery or low charge condition of the battery it automaticallyswitches to constant current AC-DC LED driver. The AC-DC LED driver is working on quasi-resonantmode (QR) based high power factor correction (PFC) using single stage single switch having constantcurrent control. The HVLED001A IC is used for driving the LED for AC-DC converter. The prototypeof this LED driver is experimentally verified, successfully manufactured and deployed atSTMicroelectronics campus using 30 number of existing poles in an area of 100x150 sq. meters. Theconversion efficiency of each stages is more than 90% individually with good power quality andrunning reliably. The streetlights are connected to each other by a 6LoWPAN mesh networkimplemented using commercially available Sub-GHz device called SPIRIT1 from STMicroelectronics.A gateway allows the ON, OFF and DIMMING either in local area network or from the cloud. Thisuser manual describes features of Smart Solar Streetlight. It can be controlled by via cloud using 2step dimming has been implemented in addition to light ON/OFF control as per user,automatic(day/night mode detection) or noise level. This board is suitable for solar streetlight andInternet of Things applications
Features
- Automatic ON/OFF based on daylight.
- Cloud based application monitored by central server system ON/OFF/Dimming.
- Central data logging system for LED streetlight.
- Dimming capability based on local noise/movement detection.
- Capability to work on 6LowPan mesh networking.
- Automatic switching on and back-up AC-DC LED driver in case of low battery voltage.
- HVLED001A based AC-DC LED driver working on quasi-resonant mode with high power factor correction.
- The AC-DC LED driver having power factor>0.97 and THD <10% in entire operating range with current regulation <±2% and efficiency >90%.
- LED dimming features.
- Inbuilt protection features of LED short/open.
- Inbuilt reverse solar panel/reverse battery/reverse LED protection.
Typical applications
- Single stage LED drivers with high power factor up to 75 W / Two stages LED drivers up to 150 W
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | L (µH) | IR (mA) | ISAT (A) | Version | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | Pitch (mm) | Ø D (mm) | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (Ω) | Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885012207080 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | 100 pF | ±10% | 50 | 0805 | -55 °C up to +125 °C | 2.5 | 10 GΩ | X7R Class II | 2 | 1.25 | 0.8 | 0.5 | 7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
| 885012207082 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | 220 pF | ±10% | 50 | 0805 | -55 °C up to +125 °C | 2.5 | 10 GΩ | X7R Class II | 2 | 1.25 | 0.8 | 0.5 | 7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
| 885012207094 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | 22 nF | ±10% | 50 | 0805 | -55 °C up to +125 °C | 2.5 | 10 GΩ | X7R Class II | 2 | 1.25 | 0.8 | 0.5 | 7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
| 885012209041 | SPEC | 6 files | WCAP-CSGP MLCCs 50 V(DC) | 100 nF | ±10% | 50 | 1210 | -55 °C up to +125 °C | 2.5 | 5 GΩ | X7R Class II | 3.2 | 2.5 | 0.95 | 0.75 | 7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
| 885012207100 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | 220 nF | ±10% | 50 | 0805 | -55 °C up to +125 °C | 3 | 2.3 GΩ | X7R Class II | 2 | 1.25 | 1.25 | 0.5 | 7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
 | 860020472006 | SPEC | 7 files | WCAP-ATG5 Aluminum Electrolytic Capacitors | 47 µF | ±20% | 25 | – | – | 14 | – | – | 11 | – | – | – | Ammopack | – | – | – | – | 2000 | -40 °C up to +105 °C | 105 | 11.75 | 2 | 5 | – | – | – | – | – | – | ||
 | 860080775013 | SPEC | 7 files | WCAP-ATLI Aluminum Electrolytic Capacitors | 100 µF | ±20% | 63 | – | – | 8 | – | – | 12.5 | – | – | – | Ammopack | – | – | – | – | 5000 | -55 °C up to +105 °C | 720 | 63 | 5 | 10 | – | – | – | – | – | – | ||
 | 742792042 | SPEC | 9 files | WE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | 0805 | -55 °C up to +125 °C | – | – | – | 2 | 1.2 | 0.9 | 0.5 | – | – | 200 | – | SMT | – | -55 °C up to +125 °C | – | – | – | – | 600 | 3000 | 180 MHz | 900 | 0.5 | High Speed | ||
 | 7447709220 | SPEC | 8 files | WE-PD SMT Power Inductor | – | – | – | 1210 | -40 °C up to +125 °C | – | – | – | 12 | 12 | 10 | – | – | 22 | 5300 | 6.5 | Standard | – | – | – | – | – | – | – | – | – | – | 0.028 | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 885012207080 | SPEC | |
| 885012207082 | SPEC | |
| 885012207094 | SPEC | |
| 885012209041 | SPEC | |
| 885012207100 | SPEC | |
| 860020472006 | SPEC | |
| 860080775013 | SPEC | |
| 742792042 | SPEC | |
| 7447709220 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | L (µH) | IR (mA) | ISAT (A) | Version | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | Pitch (mm) | Ø D (mm) | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (Ω) | Type | Samples |
|---|