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MAX17303X+T

产品描述Power Supply Management Circuit,
产品类别电源/电源管理    电源电路   
文件大小4MB,共161页
制造商Maxim(美信半导体)
官网地址https://www.maximintegrated.com/en.html
下载数据手册 下载用户手册 详细参数 全文预览

MAX17303X+T概述

Power Supply Management Circuit,

MAX17303X+T规格参数

参数名称属性值
厂商名称Maxim(美信半导体)
包装说明,
Reach Compliance Codeunknown
Factory Lead Time7 weeks
Samacsys DescriptionMODELGAUGE M5 1S WLP
模拟集成电路 - 其他类型POWER SUPPLY MANAGEMENT CIRCUIT

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EVALUATION KIT AVAILABLE
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here
for production status of specific part numbers.
MAX17301–MAX17303/
MAX17311–MAX17313
General Description
1-Cell ModelGauge m5 EZ Fuel Gauge with
Protector and SHA-256 Authentication
Benefits and Features
● Battery Health + Programmable Safety/Protection
• Overvoltage (Temperature Dependent)
• Overcharge Current
• Over/Undertemperature
• Ideal Diode Discharge During Charge Fault
• Charging Prescriptions (JEITA)
• Zero-Volt Charging Option
• Undervoltage + SmartEmpty
• Overdischarge/Short-Circuit
● Nonvolatile Memory for Stand-Alone Operation
• History Logging, User Data (122 Bytes)
● Low Quiescent Current
• FETs Enabled: 24µA Active, 18µA Hibernate
• FETs Disabled: 7µA Ship, 0.5µA DeepShip,
0.1µA UV-Shutdown
● Pushbutton Wakeup—Eliminates System
Consumption Until Button Press
● ModelGauge m5 EZ Algorithm
• Percent, Capacity,Time-to-Empty/Full, Age
• Cycle+™ Age Forecast
● Dynamic Power—Estimates Power Capability
● Precision Measurement Without Calibration
• Current, Voltage, Power, Time, Cycles
• Die Temperature/Thermistor
Ordering Information
appears at end of datasheet.
The MAX17301–MAX17303/MAX17311–MAX17313 is a
24μA I
Q
stand-alone pack-side fuel gauge IC with protec-
tor and optional SHA-256 authentication for 1-cell lithium-
ion/polymer batteries.
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.
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.
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.
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 functionality provides the instantaneous
maximum battery output power which can be delivered
to the system without violating the minimum system input
voltage.
A Maxim 1-Wire
®
or 2-wire I
2
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
N
N
SYSTEM
PK+
Applications
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
Home and Building Automation, Sensors
Smart Batteries
10Ω
0.1µF
0.1µF
OPTIONAL
CP
BATT
CHG
DIS
ZVC
MAX1730x
MAX1731x
MAX1731x
PFAIL
(MAX173x1 ONLY)
TH
REG
1kΩ
PCKP
OPTIONAL
NTC THERMISTOR
0.1µF
ALRT/PIO
SDA/DQ
SCL/OD
(TDFN)
(WLP)
CSN
CSP
EP
GND
SENSE
RESISTOR
HOST
µP
0.47µF
Secondary
Protector
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
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