MAX17049
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MAX17049

3µA 1-Cell/2-Cell Fuel Gauge with ModelGauge

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Maximize Battery Run Time with Industry's Smallest Size, Lowest Power Fuel Gauges that Eliminate a Current-Sense Resistor

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Info: : PRODUCTION tooltip
Part Details
Part Models 4
1ku List Price
price unavailable
Features
  • MAX17048: 1 Cell, MAX17049: 2 Cells
  • Precision ±7.5m­V/Cell Voltage Measurement
  • ModelGauge Algorithm
    • Provides Accurate State-of-Charge
    • Compensates for Temperature/Load Variation
    • Does Not Accumulate Errors, Unlike Coulomb Counters
    • Eliminates Learning
    • Eliminates Current-Sense Resistor
  • Ultra-Low Quiescent Current
    • 3µA Hibernate, 23µA Active
    • Fuel Gauges in Hibernate Mode
    • Automatically Enters and Exits Hibernate Mode
  • Reports Charge and Discharge Rate
  • Battery-Insertion Debounce
    • Best of 16 Samples to Estimate Initial SOC
  • Programmable Reset for Battery Swap
    • 2.28V to 3.48V Range
  • Configurable Alert Indicator
    • Low SOC
    • 1% Change in SOC
    • Battery Undervoltage/Overvoltage
    • VRESET Alert
  • I2C Interface
  • 8-Bit OTP ID Register (Contact Factory)
Additional Details
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The MAX17048/MAX17049 ICs are tiny, micropower current fuel gauges for lithium-ion (Li+) batteries in handheld and portable equipment. The MAX17048 operates with a single lithium cell and the MAX17049 with two lithium cells in series.

The ICs use the sophisticated Li+ battery-modeling algorithm ModelGauge to track the battery relative state-of-charge (SOC) continuously over widely varying charge and discharge conditions. The ModelGauge algorithm eliminates current-sense resistor and battery-learn cycles required in traditional fuel gauges. Temperature compensation is implemented using the system microcontroller.

The ICs automatically detect when the battery enters a low-current state and switches into a low-power 3µA hibernate mode, while still providing accurate fuel gauging. The ICs automatically exit hibernate mode when the system returns to active state.

On battery insertion, the ICs debounce initial voltage measurements to improve the initial SOC estimate, thus allowing them to be located on system side. SOC, voltage, and rate information is accessed using the I2C interface. The ICs are available in a tiny 0.9mm × 1.7mm, 8-bump wafer-level package (WLP), or a 2mm × 2mm, 8-pin TDFN package.

Applications

  • Bluetooth Headsets
  • Digital Still, Video, and Action Cameras
  • Handheld Computers and Terminals
  • Health and Fitness Monitors
  • Home and Building Automation, Sensors
  • Medical Devices
  • Smartphones, Tablets
  • Smartwatches, Wearables
  • Wireless Speakers
Part Models 4
1ku List Price
price unavailable

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX17049G+
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MAX17049G+T10
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MAX17049X+
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MAX17049X+T10
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Product Lifecycle

PCN

Jan 7, 2014

- 1363

ASSEMBLY

MAX17049G+

PRODUCTION

MAX17049G+T10

PRODUCTION

Jul 19, 2016

- 1594_AMENDED

ASSEMBLY

MAX17049X+

PRODUCTION

MAX17049X+T10

PRODUCTION

Filter by Model

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Reset Filters

Part Models

Product Lifecycle

PCN

Jan 7, 2014

- 1363

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ASSEMBLY

MAX17049G+

PRODUCTION

MAX17049G+T10

PRODUCTION

Jul 19, 2016

- 1594_AMENDED

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ASSEMBLY

MAX17049X+

PRODUCTION

MAX17049X+T10

PRODUCTION

Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 4

MAX17049EVKIT

Evaluation Kits for the MAX17048 and MAX17049

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MAX17049EVKIT

Evaluation Kits for the MAX17048 and MAX17049

Evaluation Kits for the MAX17048 and MAX17049

Features and Benefits

  • Battery Input Voltage Range
    • +2.5V to +4.5V (MAX17048)
    • +2.5V to +12V (MAX17049)
  • Powered from a Single Battery (MAX17048)
  • Evaluates 1-Cell (MAX17048) or 2-Cell (MAX17049) Batteries
  • Precision ±7.5mV Voltage Measurement Per Cell
  • Current Sense Not Required
  • On-Board LDO for 2-Cell Evaluation (MAX17049)
  • Windows XP-, Windows Vista-, and Windows 7-Compatible Software
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Detail

The MAX17048/MAX17049 evaluation kits (EV kits) consist of the MAX17048/MAX17049 evaluation kit (EV kit) and the Maxim DS91230+ command module. A Windows XP®-, Windows Vista®-, and Windows® 7-compatible software is also available for use with the evaluation kits and can be downloaded from www.maximintegrated.com/evkitsoftware.
The EV kits are fully assembled and tested surface-mount PCBs that evaluate the MAX17048/MAX17049 host or battery-side fuel gauge for 1-cell/2-cell lithium-ion (LI+) batteries in handheld and portable equipment. The EV kits can be powered from a single battery (MAX17048) and can be configured to evaluate a single lithium cell (MAX17048) or two lithium cells in series (MAX17049).

Applications

  • Digital Still and Video Cameras
  • e-Readers
  • Portable Game Players
  • Portable Medical Equipment
  • Smartphones/PDAs
  • Tablets and Handheld Computers
  • Wireless Handsets

MAX17048XEVKIT

Evaluation Kits for the MAX17048X and MAX17049X

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MAX17048XEVKIT

Evaluation Kits for the MAX17048X and MAX17049X

Evaluation Kits for the MAX17048X and MAX17049X

Features and Benefits

  • Battery Input Voltage Range
    • MAX17048X: +2.5V to +4.5V
    • MAX17049X: +2.5V to +12V
  • Powered from a Single Battery (MAX17048X)
  • Evaluates 1-Cell (MAX17048X) or 2-Cell (MAX17049X) Batteries
  • Precision ±7.5mV Voltage Measurement per Cell
  • Current Sense Not Required
  • On-Board LDO for 2-Cell Evaluation (MAX17049X)
  • Tiny 0.9mm x 1.7mm, 8-Bump Wafer-Level Package (WLP)
  • Windows XP-, Windows Vista-, and Windows 7-Compatible Software
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Detail

The MAX17048X/MAX17049X evaluation kits (EV kits) include the MAX17048X/MAX17049X EV kit and the Maxim DS91230+ command module. Windows XP®-, Windows Vista®-, and Windows® 7-compatible software is also available for use with the evaluation kit and can be downloaded from www.maximintegrated.com/evkitsoftware.
The EV kits are fully assembled and tested surface-mount PCBs that evaluate the MAX17048X/MAX17049X host or battery-side fuel gauge for 1-cell/2-cell lithium-ion (Li+) batteries in handheld and portable equipment. The EV kits can be powered from a single battery (MAX17048X) and configured to evaluate a single lithium cell (MAX17048X) or from two lithium cells in series (MAX17049X).

Applications

  • Digital Still and Video Cameras
  • e-Readers
  • Portable Game Players
  • Portable Medical Equipment
  • Smartphones/PDAs
  • Tablets and Handheld Computers
  • Wireless Handsets

MAX17049XEVKIT

Evaluation Kits for the MAX17048X and MAX17049X

zoom

MAX17049XEVKIT

Evaluation Kits for the MAX17048X and MAX17049X

Evaluation Kits for the MAX17048X and MAX17049X

Features and Benefits

  • Battery Input Voltage Range
    • MAX17048X: +2.5V to +4.5V
    • MAX17049X: +2.5V to +12V
  • Powered from a Single Battery (MAX17048X)
  • Evaluates 1-Cell (MAX17048X) or 2-Cell (MAX17049X) Batteries
  • Precision ±7.5mV Voltage Measurement per Cell
  • Current Sense Not Required
  • On-Board LDO for 2-Cell Evaluation (MAX17049X)
  • Tiny 0.9mm x 1.7mm, 8-Bump Wafer-Level Package (WLP)
  • Windows XP-, Windows Vista-, and Windows 7-Compatible Software
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Detail

The MAX17048X/MAX17049X evaluation kits (EV kits) include the MAX17048X/MAX17049X EV kit and the Maxim DS91230+ command module. Windows XP®-, Windows Vista®-, and Windows® 7-compatible software is also available for use with the evaluation kit and can be downloaded from www.maximintegrated.com/evkitsoftware.
The EV kits are fully assembled and tested surface-mount PCBs that evaluate the MAX17048X/MAX17049X host or battery-side fuel gauge for 1-cell/2-cell lithium-ion (Li+) batteries in handheld and portable equipment. The EV kits can be powered from a single battery (MAX17048X) and configured to evaluate a single lithium cell (MAX17048X) or from two lithium cells in series (MAX17049X).

Applications

  • Digital Still and Video Cameras
  • e-Readers
  • Portable Game Players
  • Portable Medical Equipment
  • Smartphones/PDAs
  • Tablets and Handheld Computers
  • Wireless Handsets

MAX17048EVKIT

Evaluation Kits for the MAX17048 and MAX17049

zoom

MAX17048EVKIT

Evaluation Kits for the MAX17048 and MAX17049

Evaluation Kits for the MAX17048 and MAX17049

Features and Benefits

  • Battery Input Voltage Range
    • +2.5V to +4.5V (MAX17048)
    • +2.5V to +12V (MAX17049)
  • Powered from a Single Battery (MAX17048)
  • Evaluates 1-Cell (MAX17048) or 2-Cell (MAX17049) Batteries
  • Precision ±7.5mV Voltage Measurement Per Cell
  • Current Sense Not Required
  • On-Board LDO for 2-Cell Evaluation (MAX17049)
  • Windows XP-, Windows Vista-, and Windows 7-Compatible Software
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Detail

The MAX17048/MAX17049 evaluation kits (EV kits) consist of the MAX17048/MAX17049 evaluation kit (EV kit) and the Maxim DS91230+ command module. A Windows XP®-, Windows Vista®-, and Windows® 7-compatible software is also available for use with the evaluation kits and can be downloaded from www.maximintegrated.com/evkitsoftware.
The EV kits are fully assembled and tested surface-mount PCBs that evaluate the MAX17048/MAX17049 host or battery-side fuel gauge for 1-cell/2-cell lithium-ion (LI+) batteries in handheld and portable equipment. The EV kits can be powered from a single battery (MAX17048) and can be configured to evaluate a single lithium cell (MAX17048) or two lithium cells in series (MAX17049).

Applications

  • Digital Still and Video Cameras
  • e-Readers
  • Portable Game Players
  • Portable Medical Equipment
  • Smartphones/PDAs
  • Tablets and Handheld Computers
  • Wireless Handsets

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