Datasheet > MP5479

MP5479

更新时间： 2024-09-22 17:01:31

品牌	Logo	应用领域
芯源 - MPS		集成电源管理电路
页数	文件大小	规格书
44页	1465K
描述
集成 4 个降压变换器（2A/2.5A/4.5A/4.5A）、5 个 LDO 的 2.7V 至 5.5V PMIC，通过 I2C 和 MTP 进行可配置系统设置

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MP5479 数据手册

MP5479

2.7V to 5.5V PMIC with Four 2A/2.5A/4.5A/4.5A

Buck Converters, 5 LDOs, and Configurable

System Settings via I²C and MTP

o 50mV Dropout at 300mA Load

System:

DESCRIPTION



The MP5479 is a complete power management

solution that integrates four high-efficiency step-

down DC/DC converters, five low-dropout

regulators, and a flexible logic interface.

o I²C Bus and User-Programmable MTP

o Two-Time Programmable MTP ⁽¹⁾

o Power-On/Off Control

o Multi-Function LDO2/EN1 Pin (EN1

Input Logic Level ≤ 3.3V)

o Power-On Reset Output

o Flexible Power-On/Off Sequence via

MTP (0.5ms/2ms/8ms/16ms Selectable

Time Slot)

Constant-on-time (COT) control in the DC/DC

converter provides fast transient response. The

adjustable switching frequency (up to 2.75MHz)

during CCM greatly reduces the external

inductor and capacitor value. Full protection

features include UVLO, OCP, OVP, and thermal

shutdown.

o Flexible DC/DC, LDO On/Off via the

MTP

o Available in a QFN-26 (3.5mmx4.5mm)

Package

The output voltage is adjustable through the I²C

bus or preset by the MTP (multiple-time

programmable) interface. The power-on/off

sequence is also programmable via the MTP and

can be controlled through I²C bus online.

Optimized Performance with

MPS Inductor MPL-AL6050

Series

Note:

The MP5479 requires a minimal number of

external components, and is available in a

space-saving QFN-26 (3.5mmx4.5mm) package

with wettable flanks.

1) The two-time programmable MTP is only for the standard

version of the MP5479GRM-0000.

APPLICATIONS



Infotainment

Video Recorders

Display Electronics

FEATURES



High-Efficiency Step-Down Converters:

o Buck 1: 4.5A DC/DC Converter

o Buck 2: 2.5A DC/DC Converter

o Buck 3: 4.5A DC/DC Converter

o Buck 4: 2A DC/DC Converter

o Buck 1 and Buck 3 Can Work in Parallel

o Buck 2 and Buck 4 Can Work in Parallel

o 2.7V to 5.5V Operating Input Range

o 0.4V to 3.58V/12.5mV Step or 0.4V to

2.2V/7.4mV Step Optional V_OUTRange

for Buck 1, Buck 2, and Buck 3

o 0.4V to 3.58V/12.5mV Step V_OUTRange

for Buck 4

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”, the MPS logo, and “Simple, Easy Solutions” are

trademarks of Monolithic Power Systems, Inc. or its subsidiaries.

o Adjustable Switching Frequency

o Adjustable Soft-Start Time

o Adjustable Phase Delay

o Programmable Forced PWM, Auto-

PFM, PWM Mode

o Output OCP, OVP



Low-Dropout Regulators:

o One Dedicated RTC LDO

o Four Low-Noise LDOs

o Two Separate Input Power Supplies

MP5479 Rev. 1.1

8/26/2021

MonolithicPower.com

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

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