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  4. 6-channel, up to 100mA/channel boost WLED driver with 15,000:1 dimming ratio and I2C MPQ3369-AEC1 (Monolithic Power Systems, Inc.)
6-channel, up to 100mA/channel boost WLED driver with 15,000:1 dimming ratio and I2C MPQ3369-AEC1-MPQ3369-AEC1
6-channel, up to 100mA/channel boost WLED driver with 15,000:1 dimming ratio and I2C MPQ3369-AEC1-Monolithic Power Systems, Inc.

6-channel, up to 100mA/channel boost WLED driver with 15,000:1 dimming ratio and I2C MPQ3369-AEC1
Monolithic Power Systems, Inc.

About This Product

■Summary

The MPQ3369-AEC1 is a 6-channel current source boost converter designed to drive white LED arrays as backlights for small to medium sized LCD panels. MPQ3369-AEC1 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. Adjusts the current in each LED string to a set value via an external current setting resistor. String-to-string current regulation accuracy is 2.5%. MPQ3369-AEC1 uses 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. This device 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. MPQ3369-AEC1 is available in QFN-24 (4mm x 4mm) and TSSOP28-EP packages.

■Contents of multi-dimming operation mode using MPWM input

・Direct PWM dimming ・Analog dimming ・Mixed dimming with 25% / 12.5% ​​transition point

■Features and benefits

・Input voltage range from 3.5V to 36V ・6 channels, maximum 100mA per channel ・Internal 100mΩ, 50V MOSFET ・Programmable up to 2.2MHz fSW ・External synchronization SW function ・15,000:1 dimming ratio with PWM dimming at 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

  • Product

    6-channel, up to 100mA/channel boost WLED driver with 15,000:1 dimming ratio and I2C MPQ3369-AEC1

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1 Models of 6-channel, up to 100mA/channel boost WLED driver with 15,000:1 dimming ratio and I2C MPQ3369-AEC1

Image Part Number Price (excluding tax) Channels Dimming (Output) Ichannel (max) (A) Isw Limit (A) LEDx ABS Voltage (V) Power MOSFET Topology Typical LCD Screen Sizes Vout (max) (V) Fsw (max) (kHz) Fsw (min) (kHz) Grade Package (mm) Input voltage (max) (V) Input voltage (min) (V)
6-channel, up to 100mA/channel boost WLED driver with 15,000:1 dimming ratio and I2C MPQ3369-AEC1-Part Number-MPQ3369-AEC1

MPQ3369-AEC1

Available upon quote

6

P-Dim, A-Dim, Mix-Dim

0.1

3

50

Integrated

Boost, SEPIC

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

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.

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　Monolithic Power Systems, Inc.
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