Component

Componentfuel gaugebattery monitorI2CLi-ion

MAX17043 Fuel Gauge

The MAX17043 is an ultra-compact, low-cost fuel gauge system for single-cell lithium-ion batteries. It uses the ModelGauge algorithm to provide accurate state-of-charge (SoC) monitoring via I2C interface.

₹586.00

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Quantity:

₹586.00

Inclusive of all taxes

About MAX17043 Fuel Gauge

The MAX17043/MAX17044 is a sophisticated, host-side fuel-gauge system designed specifically for single-cell lithium-ion (Li+) batteries found in handheld and portable equipment. This highly integrated module provides precise battery state-of-charge (SoC) monitoring using Maxim Integrated's proprietary ModelGauge algorithm, which combines voltage-based tracking with coulomb counting for exceptional accuracy. The device operates via a standard I2C interface, making it easy to integrate with microcontrollers like Arduino, ESP32, and Raspberry Pi. Key features include a low quiescent current of 23µA, a wide operating voltage range, and an alert function for low-battery warnings. The compact design makes it ideal for space-constrained applications such as drones, wearables, portable electronics, and IoT devices. Choose this fuel gauge for reliable, real-time battery monitoring that extends battery life and prevents unexpected shutdowns in your projects.

Technical Specifications

Operating Voltage	2.7V to 4.5V
Quiescent Current	23µA (typical)
Interface	I2C (up to 400kHz)
Battery Type	Single-cell Li-ion/Li-polymer
Accuracy	±1% (typical) for SoC
Alert Function	Low battery alert output
Dimensions	22mm x 30mm (module)
Operating Temperature	-40°C to +85°C
Package	UDFN or module form factor
Reset	Hardware and software reset capability

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