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  4. MP3367 Boost WLED Driver with 16 Channels, Up to 150mA/Channel, 5,000:1 Dimming Ratio and I2C (Monolithic Power Systems, Inc.)
MP3367 Boost WLED Driver with 16 Channels, Up to 150mA/Channel, 5,000:1 Dimming Ratio and I2C-MP3367
MP3367 Boost WLED Driver with 16 Channels, Up to 150mA/Channel, 5,000:1 Dimming Ratio and I2C-Monolithic Power Systems, Inc.

MP3367 Boost WLED Driver with 16 Channels, Up to 150mA/Channel, 5,000:1 Dimming Ratio and I2C
Monolithic Power Systems, Inc.

Monolithic Power Systems, Inc.'s Response Status

Response Rate

100.0%

Response Time

15.6hours

Relatively Fast Response

About This Product

■Summary

The MP3367 is a 6-channel current source step-up converter designed to drive white LED arrays as backlights for small to medium sized LCD panels. The MP3367 uses peak current mode as a PWM control architecture to regulate the boost converter. A 6-channel current source is applied to the LED cathode to adjust the LED brightness. The MP3367 adjusts the current in each LED string to the value set by an external current setting resistor. Current regulation accuracy between strings is 2.5%. The MP3367 uses a low on-resistance MOSFET and low headroom voltage designed for higher efficiency. Equipped with standard I2C digital interface for easy use. Switching frequency is programmable by resistor, I2C interface, or external clock. MP3367 offers analog, PWM, and mixed dimming modes with PWM input. Dimming mode can be selected by I2C interface or MIX/AD pin. It also has a phase shift function that eliminates noise during PWM dimming. Robust protection features are built in to ensure safe operation of the device. Protection modes include overcurrent protection (OCP), overvoltage protection (OVP), overtemperature protection (OTP), LED short circuit, and open protection. There is also an option to automatically reduce the LED current at high temperatures. The MP3367 is offered in QFN-24 4mm x 4mm and TSSOP28-EP packages.

■Features and benefits

・Input voltage range from 3.5V to 36V ・6 channels with maximum 150mA per channel ・Internal 100mΩ, 50V MOSFET ・Programmable up to 2.2MHz fSW ・External synchronization SW function ・Multiple dimming operation modes with PWM input including: ・Direct PWM dimming ・Analog dimming ・Mixed dimming with 25% / 12.5% ​​transition point ・15,000:1 dimming ratio with PWM dimming with fPWM ≤ 200Hz ・200:1 dimming ratio with analog dimming through PWM dimming signal input ・Excellent EMI performance, frequency spectrum spread ・I2C interface ・Phase shift function for PWM dimming ・2.5% current consistency ・Current limit per cycle

  • Product

    MP3367 Boost WLED Driver with 16 Channels, Up to 150mA/Channel, 5,000:1 Dimming Ratio and I2C

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1 Models of MP3367 Boost WLED Driver with 16 Channels, Up to 150mA/Channel, 5,000:1 Dimming Ratio and I2C

Image Part Number Price (excluding tax) Channels Dimming (Output) Ichannel (max) (A) Ishutdown (µA) Isw Limit (A) LEDx ABS Voltage (V) Power MOSFET Rds (on) (mΩ) Topology Typical LCD Screen Sizes Vfb (V) Vout (max) (V) Fsw (max) (kHz) Fsw (min) (kHz) Grade Package (mm) Input voltage (max) (V) Input voltage (min) (V)
MP3367 Boost WLED Driver with 16 Channels, Up to 150mA/Channel, 5,000:1 Dimming Ratio and I2C-Part Number-MP3367

MP3367

Available upon quote

6

P-Dim, A-Dim, Mix-Dim

0.15

1

3

50

Integrated

100

Boost, SEPIC

Small (<10") , Medium (10" to 17")

0.4

45

2,200

200

Catalog

QFN-24 (4x4), TSSOP-28EP

36

3.5

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About Company Handling This Product

Monolithic Power Systems, Inc.

Response Rate

100.0%

Response Time

15.6hrs

Company Overview

Monolithic Power Systems (MPS), founded in 1997 and headquartered in San Jose, California, is a manufacturer o...

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LED Drivers
LED Drivers　Monolithic Power Systems, Inc.
Monolithic Power Systems, Inc.

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