Datasheet > MAX17263LETD+

MAX17263LETD+

更新时间： 2024-11-08 15:42:51

品牌	Logo	应用领域
美信 - MAXIM		光电二极管
页数	文件大小	规格书
37页	2013K
描述
Power Supply Support Circuit,

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中文翻译

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技术参数
数据手册

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MAX17263LETD+ 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	HVSON,	Reach Compliance Code：	compliant
Factory Lead Time：	6 weeks	风险等级：	2.23
可调阈值：	NO	模拟集成电路 - 其他类型：	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：	S-PDSO-N14	长度：	3 mm
信道数量：	1	功能数量：	1
端子数量：	14	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	HVSON	封装形状：	SQUARE
封装形式：	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	峰值回流温度（摄氏度）：	NOT SPECIFIED
座面最大高度：	0.8 mm	最大供电电压 (Vsup)：	4.9 V
最小供电电压 (Vsup)：	2.3 V	标称供电电压 (Vsup)：	3 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子形式：	NO LEAD	端子节距：	0.4 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	3 mm	Base Number Matches：	1

MAX17263LETD+ 数据手册

EVALUATION KIT AVAILABLE

Click here for production status of specific part numbers.

MAX17263

Single/Multi-Cell Fuel Gauge with ModelGauge

m5 EZ and Integrated LED Control

General Description

Benefits and Features

The MAX17263 is an ultra-low power fuel-gauge IC which

implements the Maxim ModelGauge™ m5 algorithm. The

IC monitors either a single cell battery pack or multiple-se-

ries cell battery pack with an external resistor divider. The

IC drives 3 to 12 automatically-counted LEDs to indicate

battery state-of-charge on a push-button press, or any oth-

● ModelGauge m5 EZ

• No Characterization Required for EZ Performance

• Robust Against Battery Variation

• Eliminates Error Near Empty Voltage

• Eliminates Coulomb Counter Drift

• Compensates for Age, Current, and Temperature

• Does Not Require Empty, Full, or Idle States

er system status using I C commands.

The ModelGauge m5 EZ algorithm makes fuel gauge im-

plementation easy by eliminating battery characterization

requirements and simplifying host software interac-

tion. The algorithm provides tolerance against battery di-

versity for most lithium batteries and applications.

● Monitors Single-Cell or Multiple-Cell Battery Packs

● Integrated LED Control with Push-Button Input

• Drives 3 to 12 LEDs, Automatically Counted

● Custom Pattern LED Control Using I C Commands

● Accurate Current Sensing

The algorithm combines the short-term accuracy and lin-

earity of a coulomb counter with the long-term stability of

a voltage-based fuel gauge, along with temperature com-

pensation to provide industry-leading fuel-gauge accura-

cy. The IC automatically compensates for cell-aging, tem-

perature, and discharge rate, and provides accurate state-

of-charge (SOC) in percentage (%) and remaining capac-

ity in milliampere-hours (mAh) over a wide range of oper-

ating conditions. As the battery approaches the critical re-

gion near empty, the algorithm invokes a special correc-

tion mechanism that eliminates any error. The IC provides

accurate estimation of time-to-empty and time-to-full and

provides three methods for reporting the age of the bat-

tery: reduction in capacity, increase in battery resistance,

and cycle odometer.

• High-Side or Low-Side Sensing Options

● Wide Sense Resistor Range: 1mΩ to 1000mΩ

● PCB Metal Sensing + Temperature Compensation

● Supports Li+ and Variants Including LiFePO

● Thermistor or ±1°C Internal Temperature

● Dynamic Power Estimates Power Capability During

Discharge

● Time-to-Empty and Time-to-Full Estimation

● Predicts Remaining Capacity Under Theoretical Load

● No Calibration Required

● Alert Indicator for Voltage, SOC, Temperature,

Current and 1% SOC Change

Ordering Information appears at end of data sheet.

The IC provides precision measurements of current, volt-

age, and temperature. The temperature of the battery

pack is measured using an internal temperature sensor or

Simple Fuel-Gauge Circuit Diagram

HIGH-SIDE (1S ONLY)

external thermistor. A 2-wire I C interface provides access

SYSPWR

R_SENSE

to data and control registers. The IC is available in a 3mm

x 3mm 14-pin TDFN package.

0.1µF

3~5V

REG

CSN

CSPH

BATT

REG

0.47µF

(2S+)

ALRT

Applications

CELLX

SDA

SCL

MAX17263

● Wireless Speakers

● Medical Devices

● Drones

● Power Tools

● E-Bikes

3~12 LED

NETWORK

PROTECTION

CIRCUIT

CSPL

GND

CSN

10kΩ

NTC

● Headlamps and Torches

● Battery Backup

● Toys

R_SENSE

SYSGND

● Home and Building Automation, Sensors

ModelGauge is a trademark of Maxim Integrated Products, Inc.

19-100272; Rev 0; 6/18

12 3 4 5 6 7...37

中文翻译

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