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BP1618 - Two-String Step-up Dimmable LED Driver

General Description

The BP1618 is a two-string step-up LED driver for wide input/output voltage range with a boost power switch integrated inside.

The BP1618 employs peak current mode, fixed frequency architecture to provide robust operation with minimum 3V input supply.

Key Features

  • Input voltage as low as 3V.
  • Step-up and linear constant current control.
  • Built-in power MOSFET.
  • ± 3% Output current accuracy.
  • PWM dimming signal, with minimum dimming level of 1%.
  • Stable light output without flicker.
  • Built-in soft start.
  • Cycle-by-Cycle Over Current Protection.
  • Input Under Voltage Protection.
  • Output Over Voltage Protection.
  • Thermal regulation.
  • ESOP-16 package for thermal improvement.

📥 Download Datasheet

Datasheet Details

Part number BP1618
Manufacturer BPS
File Size 232.18 KB
Description Two-String Step-up Dimmable LED Driver
Datasheet download datasheet BP1618 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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BP1618 Two-String Step-up Dimmable LED Driver Description The BP1618 is a two-string step-up LED driver for wide input/output voltage range with a boost power switch integrated inside. The BP1618 employs peak current mode, fixed frequency architecture to provide robust operation with minimum 3V input supply. The switching frequency is programmable by an external frequency setting resistor. The output current is set through external current sensing resistors and the tolerance is within ± 3%. The BP1618 receives PWM signal via PWM1/PWM2 directly and regulate output current without any flicker. The minimum dimming level is 1% to achieve accurate colour temperature control.