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  4. 8-channel, synchronous, step-up LED driver MP3376 with I2C interface (Monolithic Power Systems, Inc.)
8-channel, synchronous, step-up LED driver MP3376 with I2C interface-MP3376
8-channel, synchronous, step-up LED driver MP3376 with I2C interface-Monolithic Power Systems, Inc.

8-channel, synchronous, step-up LED driver MP3376 with I2C interface
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 MP3376 is a synchronous boost converter with eight current channels designed to drive WLED arrays for LCD panels in tablet and notebook backlighting applications. The MP3376 uses peak current mode and pulse width modulation (PWM) control to maintain regulation of the boost converter. The MP3376 adopts a standard I2C digital interface to set the operating mode, switching frequency, full-scale current of each channel, synchronous or asynchronous mode, dimming mode and duty, and various protection thresholds. The MP3376 features a switching MOSFET with low on-resistance and high efficiency. Synchronous rectifiers save PCB size and total BOM cost. The MP3376 is available in a QFN-24 (4mm x 4mm) package.

■Features and benefits

・8 channels, maximum 50mA/channel ・Synchronous rectifier converter with LS-FET/HS-FET with 160mΩ/260mΩ on-resistance ・Input voltage range from 3V to 30V ・Output voltage up to 36V ・Up to 2.5% current matching ・Selectable switching frequency of 350kHz / 500kHz / 650kHz / 800kHz / 950kHz / 1.2MHz / 1.8MHz / 2.4MHz ・A0, A1 pins for 4 I2C addresses ・Full-scale current setting from 0mA to 50mA, 8 bits, 0.196mA/step ・Selectable synchronous or asynchronous mode ・Contents of mixed dimming operation mode: ・Analog dimming mode with external PWM input ・Analog dimming mode through I2C interface ・Mixed dimming mode with external PWM input with 6.25% / 12.5% ​​/ 25% / 50% transition points ・Mixed dimming mode via I2C interface with 6.25% / 12.5% ​​/ 25% / 50% transition points ・Customizable default register values ・Linear and smooth dimming of 2/4/8/16/32/64/128µs with step-by-step slope settings - Automatically disable unused LED strings at startup

  • Product

    8-channel, synchronous, step-up LED driver MP3376 with I2C interface

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1 Models of 8-channel, synchronous, step-up LED driver MP3376 with I2C interface

Image Part Number Price (excluding tax) Channels Dimming (Output) Ichannel (max) (A) Iq (mA) Ishutdown (µA) Isw Limit (A) LEDx ABS Voltage (V) Power MOSFET 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)
8-channel, synchronous, step-up LED driver MP3376 with I2C interface-Part Number-MP3376

MP3376

Available upon quote

8

P-Dim, A-Dim, Smart-Dim

0.05

5.4

1

2.5

40

Integrated

Boost

Small (<10") , Medium (10" to 29")

0.4

36

2,400

350

Catalog

QFN-24 (4x4)

30

2.7

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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　Monolithic Power Systems, Inc.
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