HVLED805

量産中

Off-line LED driver with primary-sensing up to 5W

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製品概要

概要

The HVLED805 is a high-voltage primary switcher intended for operating directly from the rectified mains with minimum external parts to provide an efficient, compact and cost effective solution for LED driving. It combines a high-performance low-voltage PWM controller chip and an 800V, avalanche-rugged power MOSFET, in the same package. The PWM is a current-mode controller IC specifically designed for ZVS (Zero Voltage Switching) fly-back LED drivers, with constant output current (CC) regulation using primary-sensing feedback. This eliminates the need for the opto-coupler, the secondary voltage reference, as well as the current sense on the secondary side, still maintaining a good LED current accuracy. Moreover it guarantees a safe operation when short circuit of one or more LEDs occurs.
In addition, the device can also provide a constant output voltage regulation (CV): it makes the application able to work safely when the LED string opens due to a failure.
Quasi-resonant operation is achieved by means of a transformer demagnetization sensing input that triggers MOSFET’s turn-on. This input serves also as both output voltage monitor, to perform CV regulation, and input voltage monitor, to achieve mains-independent CC regulation (line voltage feed forward).
The maximum switching frequency is top-limited below 166 kHz, so that at medium-light load a special function automatically lowers the operating frequency still maintaining the operation as close to ZVS as possible. At very light load, the device enters a controlled burst-mode operation that, along with the built-in high-voltage start-up circuit and the low operating current of the device, helps minimize the residual input consumption.
Although an auxiliary winding is required in the transformer to correctly perform CV/CC regulation, the chip is able to power itself directly from the rectified mains. This is useful especially during CC regulation, where the fly-back voltage generated by the winding drops.
In addition to these functions that optimize power handling under different operating conditions, the device offers protection features that considerably increase end-product’s safety and reliability: auxiliary winding disconnection or brownout detection and shorted secondary rectifier or transformer’s saturation detection. All of them are auto restart mode.
  • 特徴

    • 800 V, avalanche rugged internal power MOSFET
    • 5% accuracy on constant LED output current with primary control
    • Optocoupler not needed
    • Quasi-resonant (QR) zero voltage switching (ZVS) operation
    • Internal HV start-up circuit
    • Open or short LED string management
    • Automatic self supply
    • Input voltage feed-forward for mains independent cc regulation

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EDAシンボル / フットプリント / 3Dモデル

STMicroelectronics - HVLED805

アプリケーションに適したEDAシンボル、フットプリント、および3Dモデルをダウンロードしてご利用頂けます。また、ご使用の設計ツールチェーンに対応したさまざまなCADフォーマットもご利用頂けます。

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品質 & 信頼性

製品型番 マーケティング・ステータス パッケージ グレード RoHSコンプライアンスグレード 材料宣誓書**
HVLED805TR
量産中
SO-16 インダストリアル Ecopack2

HVLED805TR

Package:

SO-16

Material Declaration**:

PDF XML

Marketing Status

量産中

Package

SO-16

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) st.comで提供している材料宣誓書は、パッケージ・ファミリ内で最も一般的に使用されているパッケージに基づく汎用ドキュメントの場合があります。そのため、特定の製品では100%正確ではない可能性があります。特定の製品情報については、セールスサポートまでお問い合わせください

コンバータ

入力

V This option is required. And must be less than or equal to Volt. Max [V]
V This option is required. And must be greater than or equal to Volt. Min [V]

Output Power

V This option is required and must be a number.
A This option is required and must be a number.

LEDドライバ

入力

V This option is required. And must be less than or equal to Volt. Max [V]
V This option is required. And must be greater than or equal to Volt. Min [V]

カスタムLED

V This option is required.
A This option is required.
Ω This option is required.

LEDs

This option is required. And must be a whole positive number between 1 and 20.
This option is required. And must be a whole positive number between 1 and 20.

サンプル & 購入

製品型番
販売代理店から購入
STから購入
製品ステータス
ECCN (US)
ECCN (EU)
梱包タイプ
パッケージ
温度(℃) Country of Origin
Budgetary Price (US$)*/Qty
最小
最大
HVLED805TR Available at 2 distributors

販売代理店在庫HVLED805TR

販売代理店
地域 在庫 最小発注数量 パートナー企業リンク
DIGIKEY WORLDWIDE 2489 1 Buy from Distributor
COMPEL EUROPE 22 1 Buy from Distributor

販売代理店在庫データ: 2021-12-08

販売代理店

DIGIKEY

在庫

2489

Min.Order

1

地域

WORLDWIDE Buy from Distributor

COMPEL

在庫

22

Min.Order

1

販売代理店在庫データ: 2021-12-08

Free Sample Buy Direct
量産中
EAR99 NEC Tape And Reel SO-16 - - THAILAND 0.6185 / 1k

HVLED805TR

製品ステータス

量産中

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.6185 / 1k

販売代理店在庫HVLED805TR

販売代理店
地域 在庫 最小発注数量 パートナー企業リンク
DIGIKEY WORLDWIDE 2489 1 Buy from Distributor
COMPEL EUROPE 22 1 Buy from Distributor

販売代理店在庫データ: 2021-12-08

販売代理店

DIGIKEY

在庫

2489

Min.Order

1

地域

WORLDWIDE Buy from Distributor

COMPEL

在庫

22

Min.Order

1

販売代理店在庫データ: 2021-12-08

ECCN (EU)

NEC

梱包タイプ

Tape And Reel

パッケージ

SO-16

Operating Temperature (°C)

(最小)

-

(最大)

-

Budgetary Price (US$)* / Qty

0.6185 / 1k

Country of Origin

THAILAND

(*)概算用の参考価格(US$)です。現地通貨でのお見積りについては、STのセールス・オフィスまたは販売代理店までお問い合わせください。