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MAX17211G-T

Description
Battery Management ModelGauge M5 Fuel Gauge
Categorysemiconductor    Power management   
File Size4MB,115 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX17211G-T Overview

Battery Management ModelGauge M5 Fuel Gauge

MAX17211G-T Parametric

Parameter NameAttribute value
Product CategoryBattery Management
ManufacturerMaxim
RoHSDetails
ProductFuel Gauges
Battery TypeSingle Cell
Operating Supply Voltage4.9 V
Operating Supply Current18 uA
Minimum Operating Temperature- 40 C
Maximum Operating Temperature+ 85 C
Package / CaseTDFN-14
PackagingReel
Mounting StyleSMD/SMT
Factory Pack Quantity2500
Unit Weight0.001764 oz
EVALUATION KIT AVAILABLE
MAX17201/MAX17205/
MAX17211/MAX17215
Stand-Alone ModelGauge m5 Fuel Gauge
with SHA-256 Authentication
General Description
The MAX1720x/MAX1721x are ultra-low power stand-alone
fuel gauge ICs that implement the Maxim ModelGauge™
m5 algorithm without requiring host interaction for configura-
tion. This feature makes the MAX1720x/MAX1721x excellent
pack-side fuel gauges. The MAX17201/MAX17211 monitor a
single cell pack. The MAX17205/MAX17215 monitor and bal-
ance a 2S or 3S pack or monitor a multiple-series cell pack.
To prevent battery pack cloning, the ICs integrate SHA-
256 authentication with a 160-bit secret key. Each IC
incorporates a unique 64-bit ID.
The ModelGauge™ m5 algorithm combines the short-term
accuracy and linearity of a coulomb counter with the long-
term stability of a voltage-based fuel gauge, along with
temperature compensation to provide industry-leading
fuel gauge accuracy. The IC automatically compensates
for cell aging, temperature, and discharge rate, and pro-
vides accurate state of charge (SOC) in milliampere-hours
(mAh) or percentage (%) over a wide range of operating
conditions. As the battery approaches the critical region
near empty, the ModelGauge m5 algorithm invokes a spe-
cial error correction mechanism that eliminates any error.
The ICs provide accurate estimation of time-to-empty and
time-to-full, Cycle+™ age forecast, and three methods
for reporting the age of the battery: reduction in capacity,
increase in battery resistance, and cycle odometer.
The ICs provide precision measurements of current, voltage,
and temperature. Temperature of the battery pack is mea-
sured using an internal temperature measurement and up to
two external thermistors supported by ratiometric measure-
ments on auxiliary inputs. A Maxim 1-Wire
®
(MAX17211/
MAX17215) or 2-wire I
2
C (MAX17201/MAX17205) inter-
face provides access to data and control registers. The ICs
are available in lead-free, 3mm x 3mm, 14-pin TDFN and
1.6mm x 2.4mm 15-bump WLP packages.
Benefits and Features
ModelGauge m5 Algorithm
• Eliminates Error when Approaching Empty Voltage
• Eliminates Coulomb-Counter Drift
• Current, Temperature, and Age Compensated
• Does Not Require Empty, Full, or Idle States
• No Characterization Required for EZ Performance
(See the
ModelGauge m5 EZ Performance
Section)
• Cycle+ Age Forecasting Observes Lifespan
Nonvolatile Memory for Stand-Alone Operation
• Learned Parameters and History Logging
• Up to 75 Words Available for User Data
Precision Measurement System
• No Calibration Required
Time-to-Empty and Time-to-Full Estimation
Temperature Measurement
• Die Temperature
• Up to Two External Thermistors
Multiple Series Cell Pack Operation
Low Quiescent Current
• MAX172x1: 18µA Active, 9µA Hibernate
• MAX172x5: 25µA Active, 12µA Hibernate
Alert Indicator for Voltage, SOC, Temperature,
Current, and 1% SOC Change
High-Speed Overcurrent Comparators
Predicts Remaining Capacity Under Theoretical Load
SHA-256 Authentication
Maxim 1-Wire or 2-Wire (I
2
C) Interface
SBS 1.1 Compatible Register Set
Applications
Smartphones and Tablets
Portable Game Players
e-Readers
Digital Still and Video Cameras
Handheld Computers and Terminals
Portable Medical Equipment
Handheld Radios
Ordering Information
appears at end of data sheet.
ModelGauge and Cycle+ are trademarks and 1-Wire is a regis-
tered trademark of Maxim Integrated Products, Inc.
19-8424; Rev 2; 8/16

MAX17211G-T Related Products

MAX17211G-T MAX17215G- MAX17205G- MAX17215G-T0E MAX17211G- MAX17201G-T0E
Description Battery Management ModelGauge M5 Fuel Gauge Board Mount Temperature Sensors Prgmble Resolution 1-Wire Parasite Pwr Battery Management Low Power Modelgauge M5 Fuel Gauge Battery Management ModelGauge M5 Fuel Gauge Switching Voltage Regulators Battery Management ModelGauge M5 Fuel Gauge
Product Category Battery Management Battery Management Battery Management Battery Management Battery Management Battery Management
Manufacturer Maxim Maxim Maxim Maxim Maxim Maxim
RoHS Details Details Details Details Details Details
Product Fuel Gauges Fuel Gauges Fuel Gauges Fuel Gauges Fuel Gauges Fuel Gauges
Battery Type Single Cell Li-Ion Li-Ion Multiple Cell Li-Ion Single Cell
Operating Supply Voltage 4.9 V 20 V 20 V 20 V 4.9 V 4.9 V
Operating Supply Current 18 uA 25 uA 25 uA 25 uA 18 uA 18 uA
Minimum Operating Temperature - 40 C - 40 C - 40 C - 40 C - 40 C - 40 C
Maximum Operating Temperature + 85 C + 85 C + 85 C + 85 C + 85 C + 85 C
Package / Case TDFN-14 TDFN-EP-14 TDFN-EP-14 TDFN-14 TDFN-EP-14 TDFN-14
Mounting Style SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT
Factory Pack Quantity 2500 490 490 2500 490 2500
Unit Weight 0.001764 oz 0.001764 oz 0.001764 oz 0.001764 oz 0.001764 oz 0.001764 oz
Packaging Reel Tube Tube Reel Cut Tape Reel

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