General Description

The MAX17040/MAX17041 are ultra-compact, low-cost, host-side fuel-gauge systems for lithium-ion (Li+) batteries in handheld and portable equipment. The MAX17040 is configured to operate with a single lithium cell and the MAX17041 is configured for a dual-cell 2S pack.

Features

● Host-Side or Battery-Side Fuel Gauging

    • 1 Cell (MAX17040)

    • 2 Cell (MAX17041)

● Precision Voltage Measurement

    • ±12.5mV Accuracy to 5.00V (MAX17040)

    • ±30mV Accuracy to 10.00V (MAX17041)

● Accurate Relative Capacity (RSOC) Calculated from ModelGauge Algorithm

● No Offset Accumulation on Measurement

● No Full-to-Empty Battery Relearning Necessary

● No Sense Resistor Required

● 2-Wire Interface

● Low Power Consumption

● Tiny, Lead(Pb)-Free, 8-Pin, 2mm x 3mm TDFN Package or Tiny 0.4mm Pitch 9-Bump UCSP Package

Applications

● Smartphones, Tablets

● Health and Fitness Monitors

● Medical Devices

● Digital Still, Video, and Action Cameras

● Handheld Computers and Terminals

● Wireless Speakers