Datasheet > MP3332GC

MP3332GC

更新时间： 2022-02-26 14:02:23

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
27页	1231K
描述
Dual-Channel Flash LED Driver, 1.5A/Ch with I2C Interface

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MP3332GC 数据手册

MP3332

Dual-Channel Flash LED Driver,

1.5A/Ch with I²C Interface

FEATURES

DESCRIPTION



2.7V~5.5V Input Voltage

The MP3332 is a dual-channel, flash LED driver

for high-resolution camera phones. It comes in a

very compact package and is highly efficient at

improving image and video quality in low-light

environments. The synchronous boost converter

operates at 1/2/3/4MHz to provide higher

efficiency and an optimized solution for smaller

PCB spaces.

Dual-Channel, 1.5A/Ch Flash Current with

+/-7% Accuracy



1/2/3/4MHz Selectable Switching Frequency

and Switching Frequency Foldback

Function

400kHz I²C Compatible Interface

Standby/Flash/Assist/Torch/Indicator/5V DC

Modes



The MP3332 features a standard I²C interface,

dual LED channels, high-power density, and

multiple protection features. The MP3332

supports flash, assist, torch, indicator, and 5V

DC modes.

Flash Mode:

Up to 1.5A/Ch Programmable Current with

+/-7% Accuracy for Each LED

Assist/Torch Mode:



Up to 500mA/Ch Programmable Current

with +/-7% Accuracy for Each LED

To improve thermal performance, the cathodes of

the dual flash LED are referenced to GND for a

better layout. It is available in a WLCSP-16

(1.7mmx1.7mm) package.

Indicator Mode:



Works in 31.5kHz PWM Operation with 2/16,

3/16, 4/16, 5/16 Duty Cycle

128ms/256ms/512ms Selectable Blinking

Time



5V DC Mode:



Constant 5V DC Output

External Torch/Strobe

LED Forward-Voltage Balance to Improve

Efficiency



1A to 4.2A Programmable Input DC

Current-Limit Protection



Low-Battery Voltage Protection

LED Short/Open Protection

VOUT-GND Short Protection

Over-Voltage Protection (OVP)

Over-Temperature Protection (OTP)

NTC Detection and Protection

Input Under-Voltage Lockout (UVLO)

Protection



Available in a WLCSP-16 (1.7mmx1.7mm)

Package

APPLICATIONS



LED Flash for Smart Phones

Cameras for Tablet

Digital Still Camera

All MPS parts are lead-free, halogen-free, and adhere to the RoHS

directive. For MPS green status, please visit the MPS website under

Quality Assurance. “MPS” and “The Future of Analog IC Technology” are

registered trademarks of Monolithic Power Systems, Inc.

MP3332 Rev. 1.0

5/1/2018

www.MonolithicPower.com

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

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