Datasheet > MAX17311X+

MAX17311X+

更新时间： 2024-01-07 06:39:20

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
161页	3887K
描述
Power Supply Management Circuit,

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技术参数
数据手册

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MAX17311X+ 技术参数

生命周期：	Active	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	2.08
模拟集成电路 - 其他类型：	POWER SUPPLY MANAGEMENT CIRCUIT	Base Number Matches：	1

MAX17311X+ 数据手册

EVALUATION KIT AVAILABLE

Click here for production status of specific part numbers.

MAX17301–MAX17303/

MAX17311–MAX17313

1-Cell ModelGauge m5 EZ Fuel Gauge with

Protector and SHA-256 Authentication

General Description

Benefits and Features

The MAX17301–MAX17303/MAX17311–MAX17313 is a

● Battery Health + Programmable Safety/Protection

• Overvoltage (Temperature Dependent)

• Overcharge Current

24μA I stand-alone pack-side fuel gauge IC with protec-

tor and optional SHA-256 authentication for 1-cell lithium-

ion/polymer batteries.

• Over/Undertemperature

• Ideal Diode Discharge During Charge Fault

• Charging Prescriptions (JEITA)

• Zero-Volt Charging Option

• Undervoltage + SmartEmpty

• Overdischarge/Short-Circuit

The IC monitors the voltage, current, temperature, and

state of the battery to provide against over/undervoltage,

overcurrent, short-circuit, over/undertemperature and

overcharge conditions protection using external high-side

N-FETs, and provides charging prescription to ensure that

the lithium-ion/polymer battery operates under safe condi-

tions prolonging the life of the battery.

● Nonvolatile Memory for Stand-Alone Operation

• History Logging, User Data (122 Bytes)

To prevent battery pack cloning, the IC integrates

SHA-256 authentication with a 160-bit secret key. Each IC

incorporates a unique 64-bit ID.

● Low Quiescent Current

• FETs Enabled: 24µA Active, 18µA Hibernate

• FETs Disabled: 7µA Ship, 0.5µA DeepShip,

0.1µA UV-Shutdown

The fuel gauge uses ModelGauge m5 algorithm that com-

bines the short-term accuracy and linearity of a coulomb

counter with the long-term stability of a voltage-based fuel

gauge to provide industry-leading fuel-gauge accuracy.

● Pushbutton Wakeup—Eliminates System

Consumption Until Button Press

● ModelGauge m5 EZ Algorithm

• Percent, Capacity,Time-to-Empty/Full, Age

• Cycle+™ Age Forecast

The IC automatically compensates for cell aging, temper-

ature, and discharge rate, and provides accurate state-of-

charge (SOC) in milliampere-hours (mAh) or percentage

(%) over a wide range of operating conditions.

● Dynamic Power—Estimates Power Capability

● Precision Measurement Without Calibration

• Current, Voltage, Power, Time, Cycles

• Die Temperature/Thermistor

Dynamic power functionality provides the instantaneous

maximum battery output power which can be delivered

to the system without violating the minimum system input

voltage.

Ordering Information appears at end of datasheet.

A Maxim 1-Wire or 2-wire I C interface provides access

to data and control registers. The IC is available in a

lead-free, 3mm x 3mm 14-pin TDFN and 1.7mm x 2.5mm

15-bump 0.5mm pitch WLP packages.

Simple Fuel Gauge with Protector Circuit Diagram

BATTERY PACK

SYSTEM

PK+

CHG

DIS

ZVC

Applications

0.1µF

10Ω

BATT

● Smartphones, Tablets, and 2-in-1 Laptops

● Smartwatches and Wearables

● Medical Devices, Health and Fitness Monitors

● Digital Still, Video, and Action Cameras

● Handheld Computers and Terminals

● Handheld Radios

0.1µF

MAX1730x

MAX1731x

1kΩ

0.1µF

HOST

PCKP

OPTIONAL PFAIL

(MAX173x1 ONLY)

OPTIONAL

NTC THERMISTOR

ALRT/PIO

SDA/DQ

µP

REG

SCL/OD

(TDFN)

(WLP)

GND

CSN

CSP

0.47µF

SENSE

RESISTOR

Secondary

Protector

● Home and Building Automation, Sensors

● Smart Batteries

PK-

ModelGauge and Cycle+ are trademarks of Maxim Integrated Products, Inc.

1-Wire is a registered trademark of Maxim Integrated Products, Inc.

19-100463; Rev 3; 5/19

12 3 4 5 6 7...161

中文翻译

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与MAX17311X+相关器件

型号	品牌	获取价格	描述	数据表
MAX17312	ADI	获取价格	单节电池ModelGauge m5 EZ电量计，集成保护器和SHA-256安全认证
MAX17312G+T	MAXIM	获取价格	Power Supply Management Circuit,
MAX17313	MAXIM	获取价格	Evaluation Kits
MAX17313	ADI	获取价格	单节电池ModelGauge m5 EZ电量计，集成保护器和SHA-256安全认证
MAX1732	MAXIM	获取价格
MAX17320	MAXIM	获取价格	2S-4S ModelGauge m5 EZ Fuel Gauge with Protector, Internal Self-Discharge Detection, and S
MAX17320	ADI	获取价格	2S-4S ModelGauge m5 EZ Fuel Gauge with Protector, Internal Self-Discharge Detection, and S
MAX17320G10	MAXIM	获取价格	2S-4S ModelGauge m5 EZ Fuel Gauge with Protector, Internal Self-Discharge Detection, and S
MAX17320G12	MAXIM	获取价格	2S-4S ModelGauge m5 EZ Fuel Gauge with Protector, Internal Self-Discharge Detection, and S
MAX17320G20	MAXIM	获取价格	2S-4S ModelGauge m5 EZ Fuel Gauge with Protector, Internal Self-Discharge Detection, and S

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