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MSL2042 - Simple 4-string LED Drivers

Download the MSL2042 datasheet PDF. This datasheet also covers the MSL2041 variant, as both devices belong to the same simple 4-string led drivers family and are provided as variant models within a single manufacturer datasheet.

General Description

The MSL2041 and MSL2042 compact, high-power LED controllers use external current control MOSFETs to sink up to 1A per string, with string current matching of ±0.5%.

The MSL2041/2 drive four parallel strings of LEDs with fault detection and management of open circuit and short circuit LEDs.

Key Features

  • four PWM inputs that allow independent frequency, dimming and phasing of each string. The MSL2042 has a single PWM input for frequency and dimming control of all four strings, and automatically phase shifts the string drive signals. An external current sense resistor for each string sets full-scale LED current and is adjustable for all strings equally with an internal 8-bit DAC. The MSL2041/2 adaptively control up to two DC-DC or off-line converters that power the LEDs using Atmel's proprietary.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MSL2041_ATMELCorporation.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription for MSL2042 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for MSL2042. For precise diagrams, and layout, please refer to the original PDF.

Atmel LED Drivers MSL2041/MSL2042 Low-Cost, Simple 4-String LED Drivers with External Current Sink MOSFETs, 5000:1 Dimming Range and Per String PWM Input Preliminary Data...

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OSFETs, 5000:1 Dimming Range and Per String PWM Input Preliminary Datasheet Description The MSL2041 and MSL2042 compact, high-power LED controllers use external current control MOSFETs to sink up to 1A per string, with string current matching of ±0.5%. The MSL2041/2 drive four parallel strings of LEDs with fault detection and management of open circuit and short circuit LEDs. The MSL2041 features four PWM inputs that allow independent frequency, dimming and phasing of each string. The MSL2042 has a single PWM input for frequency and dimming control of all four strings, and automatically phase shifts the string drive signal

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