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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

    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...

    MAX77863 完备的系统PMIC,具有13个调节器、8路GPIO、RTCD和灵活电源排序,适用于多核心应用

    MAX77863为完备的电源管理IC (PMIC),适用于使用片上多核心应用处理器的移动设备。 器件采用晶圆级封装(WLP),可用于空间受限的应用。 IC提供总共13个调节器。两个调节器具有差...
    • 2.6V至5.5V工作电压
    • 允许低成本PCB技术
    • 包括4个DC-DC降压型调节器
    • 包括9个低压差线性调节器
    • 无需外部MOSFET
    • 最低功耗状态下耗流仅为12μA
    • 所有调节器上均具有低功耗模式,降低功耗
    • 只需负载点电容,LDO即非常稳定
    • I2C 3.0兼容接口
    • nIRQ中断输出
    • 8路GPIO
    • 实时时钟(RTC)
      • 备用电池充电器
      • 定时时钟输出
    • 系统看门狗定时器
    • I2C看门狗定时器
    • 双向复位I/O
    • 灵活的电源排序器(FPS)
    • 热关断

    MAX17625 2.7V to 5.5V, 700mA, Synchronous Step-Down Converter with Integrated MOSFETs

    MAX17625 and MAX17626 are high-frequency synchronous step-down DC-DC converters with integrated ...

    MAX17626 2.7V to 5.5V, 700mA, Synchronous Step-Down Converter with Integrated MOSFETs

    MAX17625 and MAX17626 are high-frequency synchronous step-down DC-DC converters with integrated ...

    MAX17625EVKIT Evaluation Kit for the MAX17625/MAX17626 Converters in Application

    The MAX17625/MAX17626 evaluation kits (EV kits) provide a proven design to evaluate the performa...

    MAX17626EVKIT Evaluation Kit for the MAX17625/MAX17626 Converters in Application

    The MAX17625/MAX17626 evaluation kits (EV kits) provide a proven design to evaluate the performa...

    MAX14745EVSYS Evaluation Kit for the MAX14745

    The MAX14745 evaluation system kit (EVSYS kit) is a fully assembled and tested circuit board tha...

    MAX20335EVSYS Evaluation Kit for the MAX20335

    The MAX20335 evaluation system (EV system) is a fully assembled and tested circuit board that de...

    MAX8982P 用于ICERA E400平台的电源管理IC

    MAX8982A/MAX8982P/MAX8982X为完备的电源管理IC,用于ICERA平台(E400)的新一代LTE/WCDMA/GSM/GPRS/EDGE数据卡。MAX8982A工作于4....
    • 4路高效降压型转换器
      • 0.9V @ 1.2A (MAX8982P为1.3A),用于处理器核供电,带有DVS功能(0.6V至1.2V,步长25mV)和摆率控制
      • 1.8V @ 600mA,用于系统I/O供电
      • 3.2V @ 600mA,所有LDO的输入(2.9V至3.65V,步长50mV) (仅MAX8982A/MAX8982P)
      • 3.4V @ 1.8A,用于GSM/WCDMA的PA供电(3.0V至3.75V,步长50mV) (仅MAX8982A/MAX8982P)
    • 9个LDO线性稳压器
      • 2.7V @ 300mA LDO1输出,用于RF收发器
      • 1.8V @ 150mA LDO2输出,用于RF收发器
      • 2.8V @ 150mA LDO3输出,用于模拟BB
      • 0.9V @ 50mA LDO4输出,用于BB PLL,带有独立输入,效率更高
      • 3.0V @ 150mA LDO5输出,用于SD卡
      • 2.7V @ 150mA LDO6输出,用于TCXO
      • 1.8V或3.0V @ 150mA LDO7输出,用于SIM
      • 3.0V @ 150mA LDO8输出,用于USB,具有独立输入(仅MAX8982A/MAX8982P)
      • 0.9V @ 50mA LDO9输出,用于BB,具有独立输入,效率更高
    • BUCK1提供32个可编程电压选项和外部输入(默认0.9V),用于DVS
    • BUCK3提供16个可编程电压选项(仅MAX8982A/MAX8982P)
    • BUCK4提供16个可编程电压选项(仅MAX8982A/MAX8982P)
    • 所有LDO提供可编程电压选项(只有MAX8982A/MAX8982P包含LDO8)
    • BUCK2、BUCK3 (仅MAX8982A/MAX8982P)、LDO3和内部32kHz时钟在初始上电时默认开启
    • 上电后,所有buck转换器和LDO由I²C或电源请求控制(PWR_REQ)使能。
    • 3路电流调节器提供高达24mA的调光电流,具有8个电流选项,内嵌闪烁定时器。

    MAX16164 具有可编程休眠时间的nanoPower开关控制器

    MAX16163和MAX16164是具有可编程休眠时间的nanoPower开关控制器。器件内部集成功率开关用于选通电源输出,可支持高达200mA的负载电流。 MAX16163/MAX16164...
    • 超低电流节省功耗
      • ​休眠定时状态下,IQ 仅为30nA
      • 关断状态下,IQ 只有10nA
      • VCC范围:1.7V至5.5V
    • 稳健的特性提高终端设备的可靠性
      • 按键输入可承受高达±60V耐压
      • ±40kV BM ESD保护
    • 灵活配置提供多种设计选择
      • 可通过I2C或外部电阻设置休眠时间
      • 电阻可编程配置中,提供中断输出和清零输入
      • 在100毫秒到24小时范围提供32个不同的休眠时间选项,并可设置无限长时间
      • 锁存输出可支持200mA负载电流,压降小于30mV

    MAX16163 具有可编程休眠时间的nanoPower开关控制器

    MAX16163和MAX16164是具有可编程休眠时间的nanoPower开关控制器。器件内部集成功率开关用于选通电源输出,可支持高达200mA的负载电流。 MAX16163/MAX16164...
    • 超低电流节省功耗
      • ​休眠定时状态下,IQ 仅为30nA
      • 关断状态下,IQ 只有10nA
      • VCC范围:1.7V至5.5V
    • 稳健的特性提高终端设备的可靠性
      • 按键输入可承受高达±60V耐压
      • ±40kV BM ESD保护
    • 灵活配置提供多种设计选择
      • 可通过I2C或外部电阻设置休眠时间
      • 电阻可编程配置中,提供中断输出和清零输入
      • 在100毫秒到24小时范围提供32个不同的休眠时间选项,并可设置无限长时间
      • 锁存输出可支持200mA负载电流,压降小于30mV

    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...

    MAX20353EVSYS Evaluation System for the MAX20353

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