HVLED001A集成電路（IC）的LED驅(qū)動器規(guī)格書PDF中文資料

HVLED001A屬于集成電路（IC）的LED驅(qū)動器。由意法半導(dǎo)體集團制造生產(chǎn)的HVLED001ALED 驅(qū)動器器件屬于 LED 驅(qū)動器電源管理集成電路 (PMIC) 系列，可通過標(biāo)稱固定電壓的電源為負載（通常為發(fā)光二極管）提供電流，并且電流可控。它與用于電壓調(diào)節(jié)的類似產(chǎn)品的主要區(qū)別在于，這類器件提供較低的反饋電壓（以提高系統(tǒng)能效），而且通?？蓪ζ骷ぷ鼽c進行外部控制，可在照明應(yīng)用中用于實現(xiàn)調(diào)光功能。

Description

The HVLED001A is an enhanced peak current

mode controller capable of controlling high power

factor (HPF) flyback or buck-boost topologies in

LED drivers that have an output power of up to

150 W. Other topologies, such as buck, boost and

SEPIC, can also be implemented.

ST’s innovative high voltage technology allows

direct connection of the HVLED001A device to

the input voltage to start up the device and to

monitor the input voltage, without the need for

external components.

The device embeds advanced features to control

either the output voltage or the output current

precisely and reliably using a reduced number of

mainly passive components. Startup and light

load conditions are managed by dedicated

operating schemes to improve the quality of the

regulation of the output variable in the final

application. Abnormal conditions such as open

circuit, output short-circuit, input overvoltage/

undervoltage and circuit failures like open loop

and overcurrent of the main switch are effectively

controlled.

A smart auto-recover timer (ART) function is builtin to guarantee automatic application recovery,

without loss of reliability

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 autoreload 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 stages LED drivers up to 150 W