Overview
The HVLED001A, specifically the HVLED001ATR variant, is an enhanced peak current mode controller designed by STMicroelectronics. This controller is capable of managing high power factor (HPF) flyback or buck-boost topologies in LED drivers, with an output power capability of up to 150 W. It also supports other topologies such as buck, boost, and SEPIC. The device utilizes ST’s innovative high voltage technology, allowing direct connection to the input voltage for startup and input voltage monitoring without the need for external components. It features advanced control mechanisms for precise output voltage or current regulation, along with robust protection and recovery functions.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| VCC Turn-on Threshold | 11.8 | 13 | 14.2 | V |
| VCC Low Consumption Mode Activation | 8.8 | 9.2 | 9.7 | V |
| VCC Startup Voltage | 2.2 | 3 | 3.8 | V |
| VCC Operating Supply Current | - | - | 3.15 | mA |
| VCC Quiescent Current | - | - | 480 | μA |
| HVSU Breakdown Voltage | - | - | 800 | V |
| Operating Temperature Range | -40 | - | 125 | °C |
| Storage Temperature Range | -55 | - | 150 | °C |
Key Features
- Quasi-resonant (QR) topology
- Optimized output voltage accuracy at any load (PSR mode)
- Improved transient response and startup time
- Direct optocoupler connection for current loop regulation with feedback disconnection detection
- 800 V high voltage startup
- High power factor and low THD over wide range of input voltage and load variations
- High efficiency and output stability over wide voltage and current range
- Low startup and quiescent current
- Programmable minimum off-time
- Integrated input voltage detection for high power factor capability and protection triggering
- Latch-free device guaranteed by smart auto-reload timer (ART)
- 0-10 and PWM dimming compatible
- Remote control pin
Applications
- Single-stage LED drivers with high power factor up to 75 W
- Two-stage LED drivers up to 150 W
- Industrial lighting applications
- General lighting solutions requiring high power factor and efficiency
Q & A
- What is the maximum output power the HVLED001A can handle?
The HVLED001A can handle an output power of up to 150 W.
- What topologies does the HVLED001A support?
The HVLED001A supports high power factor (HPF) flyback or buck-boost topologies, as well as buck, boost, and SEPIC topologies.
- What is the high voltage startup capability of the HVLED001A?
The HVLED001A has a high voltage startup capability of 800 V.
- How does the HVLED001A manage abnormal conditions?
The device effectively controls abnormal conditions such as open circuit, output short-circuit, input overvoltage/undervoltage, and circuit failures like open loop and overcurrent of the main switch.
- What is the smart auto-recover timer (ART) function in the HVLED001A?
The smart auto-recover timer (ART) function guarantees automatic application recovery without loss of reliability.
- Is the HVLED001A compatible with dimming?
Yes, the HVLED001A is compatible with 0-10 and PWM dimming.
- What is the operating temperature range of the HVLED001A?
The operating temperature range of the HVLED001A is from -40°C to 125°C.
- What package options are available for the HVLED001A?
The HVLED001A is available in SSOP 10 packages, with options for tube and tape and reel packaging.
- Does the HVLED001A have integrated input voltage detection?
Yes, the HVLED001A has integrated input voltage detection for high power factor capability and protection triggering.
- How does the HVLED001A manage startup and light load conditions?
The device manages startup and light load conditions through dedicated operating schemes to improve the quality of the regulation of the output variable.
