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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 | Status | 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) | ISAT,10%(A) | ISAT,30%(A) | IR,40K(A) | IRP,40K(A) | fres(MHz) | Version | Endurance(h) | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 50 V(DC), 100 pF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance100 pF | Capacitance±10% | Rated Voltage50 V (DC) | Size0805 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length2 mm | Width1.25 mm | Height0.8 mm | Pad Dimension0.5 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 220 pF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance220 pF | Capacitance±10% | Rated Voltage50 V (DC) | Size0805 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length2 mm | Width1.25 mm | Height0.8 mm | Pad Dimension0.5 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 22 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance22 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0805 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length2 mm | Width1.25 mm | Height0.8 mm | Pad Dimension0.5 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 100 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance100 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size1210 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor2.5 % | Insulation Resistance5 GΩ | Ceramic TypeX7R Class II | Length3.2 mm | Width2.5 mm | Height0.95 mm | Pad Dimension0.75 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 220 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance220 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0805 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3 % | Insulation Resistance2.3 GΩ | Ceramic TypeX7R Class II | Length2 mm | Width1.25 mm | Height1.25 mm | Pad Dimension0.5 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
 | WCAP-ATG5 Aluminum Electrolytic Capacitors, 47 µF, ±20% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATG5 Aluminum Electrolytic Capacitors | Capacitance47 µF | Capacitance±20% | Rated Voltage25 V (DC) | – | – | Dissipation Factor14 % | – | – | Length11 mm | – | – | – | PackagingAmmopack | – | – | – | – | – | – | – | Endurance 2000 | Ripple Current105 mA | Leakage Current11.75 µA | Pitch2 mm | Diameter5 mm | – | – | – | – | – | – | ||||
 | WCAP-ATLI Aluminum Electrolytic Capacitors, 100 µF, ±20% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATLI Aluminum Electrolytic Capacitors | Capacitance100 µF | Capacitance±20% | Rated Voltage63 V (DC) | – | – | Dissipation Factor8 % | – | – | Length12.5 mm | – | – | – | PackagingAmmopack | – | – | – | – | – | – | – | Endurance 5000 | Ripple Current720 mA | Leakage Current63 µA | Pitch5 mm | Diameter10 mm | – | – | – | – | – | – | ||||
 | WE-CBF SMT EMI Suppression Ferrite Bead, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | Size0805 | Operating Temperature -55 °C up to +125 °C | – | – | – | Length2 mm | Width1.2 mm | Height0.9 mm | Pad Dimension0.5 mm | – | – | – | – | – | – | – | VersionSMT | – | – | – | – | – | Impedance @ 100 MHz600 Ω | Maximum Impedance3000 Ω | Maximum Impedance180 MHz | Rated Current 2900 mA | DC Resistance0.5 Ω | TypeHigh Speed | ||||
 | WE-PD SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | – | – | – | Size1210 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length12 mm | Width12 mm | Height10 mm | – | – | Inductance22 µH | Saturation Current @ 10%6.5 A | Saturation Current @ 30%8 A | Rated Current5.3 A | Performance Rated Current7 A | Self Resonant Frequency10 MHz | VersionStandard | – | – | – | – | – | – | – | – | – | DC Resistance0.028 Ω | – |