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随着便携式应用进入越来越多的行业,有效地管理电池也越来越重要,对小尺寸、低成本、长电池寿命的要求也越来越高。Maxim业界领先的电池管理方案包括电池充电器、电量计、电池监测器、电池选择器和电池保护器——借助这些方案能够有效降低成本、节省空间,大幅延长便携产品的电池寿命。

Maxim的电量计监测电池剩余电量,利用专有的ModelGauge™算法实现最高精度。SHA-256安全认证有助于防止电池包被克隆。Maxim的电池充电器IC支持USB Type-C设备,满足供电规范(PD) 3.0规定的电压范围。Maxim的电池充电器和电量计组合支持Li+电池应用要求的高效率、高精度和可靠保护。

电池识别和认证

电池识别IC提供数据存储和序列号识别,用于电池包鉴定。

电池充电器

Maxim提供各种电池充电方案,为1-4节锂离子电池包以及NiCd、NiMH、铅酸等其它类型的电池充电。

电池电量计

Accurate battery fuel gauges are required for the best user experience and provide critical info...

电池监测器、电池保护器和电池选择器

电池监测器、电池保护器以及电池选择器能够有效延长电池工作寿命,确保安全、可靠的系统工作。

USB-C解决方案

Maxim Integrated’s extensive portfolio of ICs for USB-C and USB-C power delivery designs include...

另请参考: 
USB产品

视频


高精度锂电池电量计量解决方案
05:15 October 04, 2018


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

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 Date

 

应用笔记

电池识别和认证

November 19, 2020

电池识别IC提供数据存储和序列号识别,用于电池包鉴定。

电池充电器

November 19, 2020

Maxim提供各种电池充电方案,为1-4节锂离子电池包以及NiCd、NiMH、铅酸等其它类型的电池充电。

电池电量计

November 19, 2019

Accurate battery fuel gauges are required for the best user experience and provide critical information about the state-of-charge (SOC) of the battery.

电池监测器、电池保护器和电池选择器

November 19, 2018

电池监测器、电池保护器以及电池选择器能够有效延长电池工作寿命,确保安全、可靠的系统工作。

USB-C解决方案

November 19, 2016

Maxim Integrated’s extensive portfolio of ICs for USB-C and USB-C power delivery designs includes chargers, converters, controllers, as well as power path and protection devices.

特色产品

MAX17852EVKIT Evaluation Kit for the MAX17852

The MAX17852 evaluation kit (EV kit) is used to demonstrate the features and capabilities of the...

MAX77976EVKIT Evaluation Kit for the MAX77975/MAX77976/MAX77958

The MAX77975/MAX77976 evaluation kit (EV kit) is a fully assembled and tested printed circuit bo...

MAX77975EVKIT Evaluation Kit for the MAX77975/MAX77976/MAX77958

The MAX77975/MAX77976 evaluation kit (EV kit) is a fully assembled and tested printed circuit bo...
MAX77976 19VIN, 3.5/5.5A 1-Cell Li+ Battery Charger with Smart Power Selector and OTG for USBC PD

MAX77976 19VIN, 3.5/5.5A 1-Cell Li+ Battery Charger with Smart Power Selector and OTG for USBC PD

The MAX77975/MAX77976 is a high-performance high-input 3.5/5.5A fast charger with Smart Power Se...
MAX77975 19VIN, 3.5/5.5A 1-Cell Li+ Battery Charger with Smart Power Selector and OTG for USBC PD

MAX77975 19VIN, 3.5/5.5A 1-Cell Li+ Battery Charger with Smart Power Selector and OTG for USBC PD

The MAX77975/MAX77976 is a high-performance high-input 3.5/5.5A fast charger with Smart Power Se...

MAX17852 14-Channel, High-Voltage Smart Sensor Data-Acquisition Interface with Current Sense

The MAX17852 is a flexible data acquisition system for the management of high-voltage and low-vo...

MAX77751CEVKIT Evaluation Kit for the MAX77751

The MAX77751 evaluation kit (EV kit) is a fully assembled and tested printed circuit board (PCB)...
MAX77751 3.15A USB Type-C Autonomous Charger for 1-Cell Li+ Batteries

MAX77751 3.15A USB Type-C Autonomous Charger for 1-Cell Li+ Batteries

The MAX77751 is a standalone, 3.15A charger with integrated USB Type-C® CC detection and reverse...
MAX20345 具有超低I<sub>Q</sub>电压调节器、升/降压调节器(用于光学检测)和充电器(用于小型锂离子系统)的PMIC

MAX20345 具有超低IQ电压调节器、升/降压调节器(用于光学检测)和充电器(用于小型锂离子系统)的PMIC

MAX20345为具有超低IQ电压调节器的电源管理方案,是低功耗可穿戴应用的理想选择。器件包括一个线性电池充电器,带有智能电源选择器和多种经过功率优化的外设。器件具有3个降压调节器、3个低压差...
  • 延长电池两次充电之间的使用时间
    • 3个低IQ降压调节器(IQ = 0.9μA,典型值)
      • 220mA输出电流
      • 通过灵活调整开关频率抑制噪声
      • Buck1:0.700V至1.330V输出电压,10mV步长
      • Buck2:0.700V至2.275V输出电压,25mV步长
      • Buck3:0.700V至3.850V输出电压,50mV步长
    • LDO1 (IQ = 0.55µA,典型值)
      • 100mA输出
      • 2.7V至5.5V输入电压范围
      • 0.8V至3.6V输出电压,100mV步长
    • LDO2 (IQ = 1µA,典型值)
      • 100mA输出
      • 1.71V至5.50V输入电压范围
      • 0.9V至4.0V输出电压,100mV步长
    • LDO3 (IQ = 1µA,典型值)
      • 50mA输出
      • 1.00V至2.00V输入电压范围
      • 0.50V至1.95V输出电压,25mV
    • 2个负载开关
      • 0.65V至5.50V输入电压范围
      • 1Ω RON @ SYS = 3.0V
    • 低IQ升/降压调节器(IQ = 2µA,典型值)
      • 1.5W输出能力
      • 2.6V至5.5V输出电压,50mV步长
  • 易于实现的Li+电池充电
    • 线性锂离子电池充电器
      • 5mA至500mA充电电流
      • +28V / -5.5V容限输入
      • 步进充电(见步进充电部分)
    • 热敏电阻监测器
    • 智能电源选择器
  • 优化系统控制
    • 上电/复位控制器
    • 按键监测器
    • 工厂运输模式
    • 系统接口
      • 带有可编程分压器的监测器多路复用器,用于监测系统电压和充电电流

MAX17823B 12-Channel High-Voltage Data Acquisition System

The MAX17823B is a data acquisition system for the management of high-voltage battery modules. T...
MAX20303 可穿戴设备电源管理方案

MAX20303 可穿戴设备电源管理方案

MAX20303为高度集成、可编程电源管理方案,设计用于超低功耗可穿戴应用。器件针对尺寸和效率进行优化,通过延长电池寿命和缩小方案总尺寸,增强最终产品的价值。一组灵活的电源优化电压调节器,包括...
  • 延长电池充电间隔
    • 2个微小IQ Buck调节器(每个小于1µA IQ (典型值))
      • 220mA输出
      • Buck1:0.8V至2.375V,25mV步长
      • Buck2:0.8V至3.95V,50mV步长
    • 微小IQ LV LDO/负载开关(1µA IQ (典型值))
      • 1.16V至2.0V输入电压
      • 50mA输出
      • 0.5V至1.95V输出,25mV步长
    • 微小IQ LDO/负载开关(1µA IQ (典型值))
      • 1.71V至5.5V输入电压
      • 100mA输出
      • 0.9V至4V,100mV步长
      • 微小IQ 升/降压调节器(1.3µA IQ (典型值))
        • 250mW输出
        • 2.5V至5V,100mV步长
    • 易于实现的Li+电池充电
      • 较宽的快充电流范围:5mA至500mA
      • 智能电源选择器
        • 28V/-5.5V容限输入
        • 可编程JEITA电流/电压特性
    • 高度集成,最大程度降低方案的占位面积
      • 安全输出LDO
        • 15mA,CHGIN出现时
        • 5V或3.3V
      • 触觉驱动器
        • ERM/LRA驱动器,带快速启动和断开
        • 自动谐振跟踪(仅限LRA)
      • 支持宽范围显示选项
        • 微小IQ Boost调节器(2.4µA IQ(典型值))
          • 300mW输出
          • 5V至20V,250mV步长
      • 3通道流入电流源
        • 20V容限
        • 0.6至30mA可编程
      • 优化系统控制
        • 上电/复位控制器
        • 可编程按键控制器
        • 可编程电源排序
        • 工厂保鲜模式
        • 片上电压监测电路多路复用器和模/数转换器(ADC)

MAX77960 25VIN 3A/6AOUT USB-C Buck-Boost Charger with Integrated FETs for 2S/3S Li-Ion Batteries

The MAX77960/MAX77961 are high-performance wide-input 3A (MAX77960)/6A (MAX77961) buck-boost cha...

MAX77961 25VIN 3A/6AOUT USB-C Buck-Boost Charger with Integrated FETs for 2S/3S Li-Ion Batteries

The MAX77960/MAX77961 are high-performance wide-input 3A (MAX77960)/6A (MAX77961) buck-boost cha...
MAX77960EVKIT-06 Evaluation Kit for the <a href="/en/products/MAX77960">MAX77960</a>/<a href="/en/products/MAX77961">MAX77961</a>

MAX77960EVKIT-06 Evaluation Kit for the MAX77960/MAX77961

The MAX77960/MAX77961 evaluation kit (EV kit) is a fully assembled and tested surface-mount prin...
MAX77961EVKIT-06 Evaluation Kit for the <a href="/en/products/MAX77960">MAX77960</a>/<a href="/en/products/MAX77961">MAX77961</a>

MAX77961EVKIT-06 Evaluation Kit for the MAX77960/MAX77961

The MAX77960/MAX77961 evaluation kit (EV kit) is a fully assembled and tested surface-mount prin...
MAX20361 Small, Single-/Multi-Cell Solar Harvester with MPPT and Harvest Counter

MAX20361 Small, Single-/Multi-Cell Solar Harvester with MPPT and Harvest Counter

The MAX20361 is a fully integrated solution for harvesting energy from single-/multi-cell solar ...
MAX20361EVKIT Evaluation Kit for the <a href="/en/products/MAX20361">MAX20361</a>

MAX20361EVKIT Evaluation Kit for the MAX20361

The MAX20361 evaluation kit (EV kit) is a fully assembled and tested PCB that evaluates the MAX2...
MAX17853 14通道、高压数据采集系统

MAX17853 14通道、高压数据采集系统

MAX17853是一款用于高压和低压电池模块管理的灵活数据采集系统。系统可利用完整冗余测量引擎在263µs内测量14路电池电压以及6路温度或系统电压测量的组合,或者利用ADC测量引擎在156µ...
  • 65V工作电压
  • 超低功耗
    • 待机模式:2mA
    • 关断模式:2µA
  • 冗余ADC和比较器(COMP)采集
  • 同时采集电池和总线电压
  • 14路电池电压测量通道
    • 1mV精度(3.6V,25°C)
    • 2mV精度(5°C至40°C)
    • 4.5mV精度(-40°C至+125°C)
  • 14个电池均衡开关
    • >300mA软件可编程均衡电流
    • 经过优化的驾驶和泊车均衡模式
    • 利用独立的电池定时器自动均衡
    • 电池电压自动均衡
    • 应急放电模式
  • 6路可配置辅助输入,用于温度、电压或GPIO
  • 集成管芯温度测量
  • 自动热保护
  • 独立可配置安全报警
    • 过压、欠温故障
    • 欠压、过温故障
    • 一路电池不匹配报警
  • 符合ASIL D对电池电压、温度、通信的要求
  • 可选的UART、双UART或SPI接口
  • 电池管理UART协议
    • 以菊链形式连接多达32片器件
    • 通信端口容性隔离
    • 高达2Mbps波特率(自动检测)
    • 1.5μs传输延迟(每片器件)
    • 包校验(PEC)
  • 可配置的硬件报警接口
  • 工厂校准振荡器
    • 无需外部振荡器
  • 32位唯一器件ID
  • 64引脚(10mm x 10mm) LQFP封装

MAX17853EVKIT MAX17853 评估套件

MAX17853评估套件(EV kit)用于演示MAX17853 14通道、高压智能传感器数据采集接口IC的特性和功能。随评估套件提供MAX17841B评估套件,用于建立与主机PC的通信。通信...
  • 为评估MAX17853的特性和功能提供便利平台
  • 支持特性评估的通用GUI接口
  • 即插即用架构,快速建立系统原型
  • 加载和检测引脚连接头,支持高精度测量评估
  • 内置用于仿真电池的电阻堆栈
  • 经过验证的PCB布局
  • 完全装配并经过测试

MAX77962 23VIN 3.2AOUT USB-C Buck-Boost Charger with Integrated FETs for 2S Li-Ion Batteries

The MAX77962 is a high-performance wide-input 3.2A buck-boost charger with a Smart Power Selecto...

参考设计

 

设计工具和软件

MAXREFDES1165: 32-Channel Industrial Digital I/O Module

The MAXREFDES1165 is a complete, 32-channel industrial digital I/O module comprising 16 digital ...

MAXREFDES179# Reference Design Board

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

MAXREFDES104#: 健康传感器平台3.0版

HSP3 is a unique evaluation and development platform in a wearable form factor that demos the fu...

MAXREFDES177# IO-Link Universal Analog IO

The MAXREFDES177# IO-Link®-compliant, universal analog IO reference design uses the MAX22515 IO-...

MAXREFDESGPS_B: How to Add GPS to your Product without Draining your Battery

Ultra-low power GPS reference design using the MAX2769C GNSS receiver and the MAX32632 Cortex M4...

MAXREFDES103#:健康传感器腕带

The MAXREFDES103# is a full wrist-worn wearable reference design for heart-rate, heart-rate vari...

Wireless Backhaul Power Supplies

The design provides all the power supply rails and power sequencing necessary to power Xilinx® Z...

MAXREFDES69#: Isolated RS-485 Communications Micro PLC card

The MAXREFDES69# reference design is a dual-channel isolated RS-485 data-communication circuit f...

MAXREFDES176#: IO-Link 16-Channel Digital Input Hub

The MAXREFDES176# IO-Link®-compliant, digital input hub reference design uses the MAX22515 IO-Li...

MAXREFDES161#: Frequency Synthesizer Shield

MAXREFDES161# is an Arduino form factor-compatible shield for synthesizing frequencies from 23.5...

MAXREFDES145#: 8-Channel IO-Link Master

The MAXREFDES145# is an IO-Link®-compliant, 8-port IO-Link master reference design that uses TEC...

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...

Important Notice for Maxim Integrated Design Information and Resources

Notice of design information and resources for Maxim Integrated products.

MAXREFDES120#: Isolated 24V to 5V–12.5W No-Opto Flyback Power Supply

The MAXREFDES120# reference design is a 17V–36V input to 5V output (12.5W) flyback DC-DC convert...
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MAX17055XEVKIT

库伦计数与电压电量计量相结合,拥有最高SOC精度。
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MAX17048EVKIT

最小、功耗最低的电量计,具有经过验证、仅依赖于电压的ModelGauge算法。
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MAX17201GEVKIT

提供非易失存储器(NVM),适用于电池组侧单节或多节电池应用。
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MAX44284EVKIT

演示MAX44284电流检测放大器的高精度、实时电流监测。