MP3385AGR-Z

$0.86

Description：IC LED DRVR CTRL PWM 300MA 20QFN
Series：-
Mfr：Monolithic Power Systems Inc.
Package：Tape & Reel (TR)

SKU:ec2af733b67e Category: LED Drivers IC Brand: Monolithic Power Systems Inc.

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Product introduction

Product Detailed Parameters

Description：IC LED DRVR CTRL PWM 300MA 20QFN
Series：-
Mfr：Monolithic Power Systems Inc.
Package：Tape & Reel (TR)
Type：DC DC Controller
Topology：Step-Up (Boost)
Internal Switch(s)：No
Number of Outputs：4
Voltage - Supply (Min)：4.5V
Voltage - Supply (Max)：33V
Voltage - Output：80V
Current - Output / Channel：300mA
Frequency：100kHz ~ 900kHz
Dimming：Analog, I2C, PWM
Applications：Backlight
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：20-VFQFN Exposed Pad
Supplier Device Package：20-QFN (4x4)
Grade：-
Qualification：-

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MP3385AGR-Z

Overview

The MP3385AGR-Z is a four-channel white LED controller from the MP3385A series, designed for LCD backlight applications. It operates with an input voltage range of 4.5 V to 33 V and supports a maximum output voltage of 80 V per channel. The device features a switching frequency between 100 kHz and 900 kHz and delivers up to 300 mA current per channel. It utilizes a QFN-20 package and supports analog, PWM, and I2C dimming methods. The component functions within a temperature range of -40°C to +125°C.

Feature Summary

Integrates four independent high-side current sources for multi-string LED driving
Supports multiple dimming control interfaces including analog, pulse-width modulation, and I2C communication
Features adjustable switching frequency to optimize external component size and efficiency
Includes comprehensive protection mechanisms for system reliability

Applications

LCD backlighting for laptop computers
Monitor display backlight systems
Television screen illumination modules

Procurement Notes

Verify the specific suffix (Z or P) against the required packaging format, as these denote different reel or cut-tape configurations. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the selected variant matches the desired operating temperature range and pinout requirements for the target PCB layout.

Selection Notes

Select this component for designs requiring precise multi-string LED current regulation with digital control capabilities. The wide input voltage range accommodates various battery-powered and AC-adapter-driven systems. Consider the thermal performance of the QFN-20 package relative to the total power dissipation in the application environment.

Part Context

This part belongs to the MP3385A family of WLED controllers manufactured by Monolithic Power Systems. The series is engineered for portable electronics and display applications requiring efficient power management. The MP3385AGR-Z specifically denotes the version packaged in reels, distinguishing it from cut-tape variants within the same functional specification.