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电源管理IC (PMIC)是在单片芯片内包括了多种电源轨和电源管理功能的集成电路。PMIC常用于为小尺寸、电池供电设备供电,因为将多种功能集成到单片芯片内可提供更高的空间利用率和系统电源效率。PMIC内集成的常见功能包括电压转换器和调节器、电池充电器、电池电量计、LED驱动器、实时时钟、电源排序器和电源控制。

低功耗PMIC提供可穿戴设备、耳戴式设备、传感器和IoT设备等空间受限应用所需的高效率和小尺寸。高性能PMIC最大程度提高每瓦功率的利用率,同时提高系统性能,非常适合于计算密集型平台,例如片上系统(SoC)、FPGA和应用处理器。

高性能

High-performance PMICs maximize performance per watt while increasing system efficiency for comp...

低功耗

Low-power PMICs integrate multiple power rails and power management functions in compact form fa...

  • 低功耗PMIC ›
  • 高性能PMIC ›
  • 电源管理IC参数搜索 

    视频


    SIMO Technology Overview using the MAX77650 PMIC
    8:10 January 15, 2018

    应用笔记

    设计方案

    技术文档

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    Technical Documentation

    技术文档

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    器件号 标题 文件类型 日期

    博客

    高性能

    November 19, 2020

    High-performance PMICs maximize performance per watt while increasing system efficiency for computationally intensive platforms such as systems-on-chip (SoCs), FPGAs, and application processors.

    低功耗

    November 19, 2020

    Low-power PMICs integrate multiple power rails and power management functions in compact form factors needed for space-constrained solutions.

    单电感多输出(SIMO)开关稳压器技术

    March 02, 2020

    与传统的DC-DC方案相比,单电感多输出(SIMO)电源转换器架构在节省空间的同时仍然保持高效率,有效延长电池寿命。

    特色产品

    MAX25520 Automotive 2-Channel TFT-LCD Power Supply

    The MAX25520 is a dual-output power IC that provides symmetrical or asymmetrical positive and ne...

    MAX25320 ASIL-D Compliant Dual 1A Low-Voltage Buck Converter

    The MAX25320 is a high-efficiency dual switching regulator which delivers up to 1A load current ...

    MAX25320EVSYS Evaluation Kit for the MAX25320

    The MAX25320 evaluation kit (EV kit) is a fully assembled and tested application circuit for the...

    MAX25320EVKIT Evaluation Kit for the MAX25320

    The MAX25320 evaluation kit (EV kit) is a fully assembled and tested application circuit for the...

    MAX77659EVKIT Evaluation Kit for the MAX77659

    The MAX77659 evaluation kit (EV kit) allows for easy experimentation with various MAX77659 featu...

    MAX77659 SIMO PMIC with 300mA Switching Charger

    The MAX77659 provides highly-efficient integrated battery charging and power supply solutions fo...

    MAX20429 Dual 6A High-Efficiency Low Voltage Buck Converter

    The MAX20429 is a high-efficiency dual switching regulator that delivers up to 6A (peak) load cu...

    MAX20419 High-Efficiency, 3-Output, Low-Voltage DC-DC Converter

    The MAX20419 is a high-efficiency, 3-output, low-voltage DC-DC converter IC. OUT1 boosts the inp...

    MAX20353EVSYS Evaluation System for the MAX20353

    The MAX20353 evaluation system (EV system) is a fully assembled and tested circuit board that de...

    MAX25520EVKIT Evaluation Kit for the MAX25520

    The MAX25520 evaluation kit (EV kit) is a fully assembled and tested surface-mount PCB used to e...

    MAX20429EVKIT Evaluation Kit for the MAX20429

    The MAX20429 evaluation kit (EV kit) is a fully assembled and tested application circuit for the...

    MAX25250 Four Output Mini PMIC for Camera Applications

    The MAX25250 is a high-efficiency, four-output PMIC that integrates three DC-DC converters and a...

    MAX20360HEVKIT Evaluation Kit for the MAX20360

    The MAX20360 evaluation kit (EV kit) is a fully assembled and tested circuit board that demonstr...
    MAX20335 小型锂离子系统用带超低I<sub>Q</sub>电压调节器和电池充电器的PMIC

    MAX20335 小型锂离子系统用带超低IQ电压调节器和电池充电器的PMIC

    MAX20335电池充电管理方案,理想用于低功耗可穿戴应用。器件包括一个带有智能电源选择器线性电池充电器和多种经过功率优化的外设。MAX20335具有2个超低静态电流buck调节器和3个超低静...
    • 延长电池供电下的系统工作时间
      • 双路超低IQ 200mA Buck调节器
        • 输出可编程:0.7V至2.275V和0.7V至3.85V
        • 0.9µA (典型值)静态电流(Buck 1)
        • 可选固定峰值电流模式,优化噪声敏感应用中的纹波频率
      • 3个超低IQ 100mA LDO
      • LDO1
        • 0.8V至3.6V可编程输出
        • 0.6µA (典型值)静态电流
        • 2.7V至5.5V输入电压,具有专用引脚
      • LDO2/3
        • 0.9V至4V可编程输出
        • 1µA (典型值)静态电流
        • 1.71V至5.5V输入电压,具有专用引脚
    • 易于实现的Li+电池充电
      • 智能电源选择器
      • 28V/-5.5V容限输入
      • 热敏电阻监测器
    • 高度集成,最大程度降低方案的占位面积
      • 提供5个调节电压轨
      • 每个LDO具有开关模式选项
    • 优化系统控制
      • 按钮监控,用于超低功耗模式
      • 上电复位延迟和电压排序
      • 片上电压监测器多路复用器
    MAX20014 2.2MHz同步和双通道降压型转换器

    MAX20014 2.2MHz同步和双通道降压型转换器

    MAX20014为高效、三路输出、低压DC-DC转换器。OUT1输出将输入电压升压到高达8.5V、电流高达750mA,而两路同步降压型转换器工作在3.0V至5.5V输入电压范围,提供0.8V至...
    • 多功能、小尺寸
      • 同步750mA Boost转换器:3.8V至8.5V固定输出电压,步长为100mV。
    • 双路同步Buck转换器,电流高达3A:工厂可配置输出电压,从0.8V至3.8V,步长为25mV;电阻可调节
      • 3.0V至5.5V工作电压
      • 2.2MHz操作
      • 欠压门限为93% ±3%
      • 过压门限为107% ±3%
      • 独立的低电平有效RESET_输出
    • 高精度:±1.5%输出电压精度;Buck转换器具有良好的负载响应性能
    • 支持汽车环境的可靠性
      • 电流模式、强制PWM或跳脉冲工作模式
      • 过热和短路保护
      • 4mm × 4mm、24引脚、TQFN封装
      • -40°C至+125°C汽车级温度范围

    MAX25249B 四路输出微型PMIC,适用于汽车摄像机应用

    MAX25249/MAX25249B为高效、四路输出PMIC,集成三个DC-DC转换器和一路高PSRR LDO,全部输出均具有OV/UV监测。OUT1为1A、高压、同步降压型转换器,采用同轴电...
    • 多功能,实现小尺寸
      • 1A同步高压Buck转换器
        • 4.5V至36V输入电压范围
        • 3V至4V输出电压范围,50mV步长
      • 两个同步低压Buck转换器
        • OUT2和OUT3提供高达1.2A电流
        • 0.8V至3.9875V,12.5mV步长
      • LDO为摄像机传感器供电;50dB @ 1kHz
      • 2.2MHz工作频率
      • 低电平有效RESET输出——推挽式或漏极开路
    • 高精度
      • ±1.5%输出电压精度
      • ±1.3% OV/UV监测精度
    • 诊断和特性
      • 符合ASIL-B标准
      • 冗余基准
    • 支持汽车环境的可靠性
      • 电流模式、强制PWM工作模式
      • 过热和短路保护
      • 3.5mm x 3.5mm、20引脚、TQFN封装
      • -40°C至+125°C Grade 1汽车级温度范围
      • 经过AEC-Q100认证

    MAX77642EVKIT Evaluation Kit for the MAX77642

    The MAX77642 evaluation kit (EV kit) allows for easy experimentation with various MAX77642 featu...

    MAX77643EVKIT Evaluation Kit for the MAX77643

    The MAX77643 evaluation kit (EV kit) allows for easy experimentation with various MAX77643 featu...
    Product Image

    MAX32630/MAX32631

    The MAX32630/MAX32631 feature an Arm® Cortex®-M4 with FPU CPU that delivers ultra-low power, hig...
    Product Image

    DS3231

    低成本I2C RTC,带有电池输入,断开主电源时仍可保持精确计时。
    Product Image



    MAXM17516

    为空间受限提供固定频率稳压器。
    Product Image

    MAX20019

    超小尺寸、3.5V至17V输入电压、双调节器,包括高边和低边MOSFET,以及500mV使能滞回。
    Product Image

    MAX20087

    ASIL级保护器为四路输出通道提供高达600mA/通道负载电流,带有高边限流和I2C诊断功能。
    Product Image

    MAX11192

    支持更准确测量的高精度、高速度。
    Product Image

    MAX77752

    高度集成电源管理,适用于计算密集型平台。
    Product Image

    MAX1806

    利用低输入提供±1%精度输出电压

    参考设计

    MAXREFDES1238: Scalable, Single Input, 6 Output, Power Solution for the Versal ACAP Platform

    In this design a single 12V input supplies a circuit which outputs 6 separate rails ranging from...

    MAXREFDES1263: True Wireless Stereo Cradle and Earbuds

    This solution demonstrates a small size, low power, high effective, high accuracy power manageme...

    MAXREFDES1260: Li Battery Charger and Monitor System with 3A USB-C Input

    The purpose of MAXREFDES1260 is to solve the problem of high-voltage fast charging of 2S battery...

    MAXREFDES9002: C-source Reference for Operating the DS28E18 from Cortex-M4 GPIO Pins

    Extend an I2C and SPI interface using the DS28E18 with included M4 compatible 1-Wire API and C-d...
    MAXREFDES179#参考设计板

    MAXREFDES179#参考设计板

    The MAXREFDES179 reference design is a complete Universal Serial Bus (USB) type-C PD solution fe...

    MAXREFDES1275: 1A,3-Channel LED Driver in Buck Configuration using MAX20050 and its dimming control using MAX32630FTHR

    The MAX20050 is a high-brightness LED driver for automotive exterior lighting applications.

    MAXREFDES1046:宽输入范围、3.3V/3A输出同步整流、降压型DC-DC转换器,两层电路板设计降低成本

    The MAX17574, high-efficiency, high-voltage, synchronous step-down DC-DC converter with integrat...

    MAXREFDES1105: Miniature, 5V/2A, Synchronous, No-Opto Flyback DC-DC Converter with 90.4% Efficiency Using MAX17690 and MAX17606

    Due to its simplicity and low cost, the flyback converter is the preferred choice for low-to-med...

    MAXREFDES1102:小尺寸、24V/250mA、无光耦、反激DC-DC转换器,92%效率

    The MAX17690 implements an innovative algorithm to accurately determine the output voltage by se...

    MAXREFDES1045: Two-Layer Board, 5V/3A, Wide-Input, Synchronous, Step-Down DC-DC Converter Using the MAX17574

    The MAX17574, high-efficiency, high-voltage, synchronous step-down DC-DC converter with integrat...

    MAXREFDES1037:72W Offline Flyback Converter

    The MAX17595 is a peak-current-mode controller for designing wide input-voltage flyback regulato...

    MAXREFDES1004:-73V至-35V输入、5V/100mA输出、Boost转换器

    The MAX668/MAX669 constant-frequency, pulse-width modulating (PWM), current-mode DC-DC controlle...

    MAXREFDES1088:小尺寸、12V/250mA、同步、无光耦、反激DC-DC转换器,91.9%效率

    Due to its simplicity and low cost, the flyback converter is the preferred choice for low-to-med...

    MAXREFDES1106: Miniature, 12V/1A, Synchronous, No-Opto Flyback DC-DC Converter with 92% Efficiency Using MAX17690 and MAX17606

    Due to its simplicity and low cost, the flyback converter is the preferred choice for low-to-med...

    MAXREFDES1101:Miniature, 12V/500mA, No-Opto Flyback DC-DC Converter with 90% Efficiency

    Due to its simplicity and low cost, the flyback converter is the preferred choice for low-to-med...