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1-Cell ModelGauge m5 EZ Fuel Gauge with
Protector, Internal Self-Discharge Detection
and SHA-256 Authentication
MAX17300-MAX17303/
MAX17310-MAX17313
General Description
Benefits and Features
The MAX17300-MAX17303/ MAX17310-MAX17313 is a
● Battery Health + Programmable Safety/Protection
• Overvoltage (Temperature Dependent)
• Overcharge Current
24μA I stand-alone pack-side fuel gauge IC with protec-
Q
tor, optional battery internal self-discharge detection and
optional SHA-256 authentication for 1-cell lithium-ion/poly-
mer batteries.
• Over/Undertemperature
• Battery Internal Self-Discharge Detection
(MAX17300/10 Only)
• Ideal Diode Discharge During Charge Fault
• Charging Prescriptions (JEITA)
• Zero-Volt Charging Option
The IC monitors the voltage, current, temperature, and
state of the battery to provide against over/undervoltage,
overcurrent, short-circuit, over/undertemperature, over-
charge, and internal self-discharge conditions using exter-
nal high-side N-FETs, and provides charging prescription
to ensure that the lithium-ion/polymer battery operates un-
der safe conditions prolonging the life of the battery.
• Undervoltage + SmartEmpty
• Overdischarge/Short-Circuit
● 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: 5µA Ship, 0.5µA/0.02µA DeepShip
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.
● Parallel Battery Management (MAX17300/10 Only)
● Pushbutton Wakeup—Eliminates System
Consumption Until Button Press
● ModelGauge m5 EZ Algorithm
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.
• 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
Dynamic power functionality provides the instantaneous
maximum battery output power which can be delivered
to the system without violating the minimum system input
voltage.
®
2
Simple Fuel Gauge with Protector
Circuit Diagram
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.
BATTERY PACK
SYSTEM
PK+
CHG
DIS
ZVC
CP
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
TH
µP
REG
SCL/OD
(TDFN)
EP
(WLP)
GND
CSN
CSP
0.47µF
SENSE
RESISTOR
● Home and Building Automation, Sensors
● Smart Batteries
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 9; 6/23
Ordering Information appears at end of data sheet.
© 2023 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners.
One Analog Way, Wilmington, MA 01887 U.S.A. | Tel: 781.329.4700 | © 2023 Analog Devices, Inc. All rights reserved.
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