MAX17005AETP+T

Product Overview

Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: Low-power fuel gauge for lithium-ion (Li+) batteries
Package: 20-TQFN-EP (4x4)
Essence: Accurate battery state-of-charge (SOC) estimation
Packaging/Quantity: Tape & Reel (3000 pieces)

Specifications

Operating Voltage Range: 2.5V to 4.5V
Battery Voltage Range: 2.5V to 4.5V
Current Consumption:
- Active Mode: 6µA (typical)
- Sleep Mode: 0.7µA (typical)
Temperature Range: -40°C to +85°C
Communication Interface: I2C

Detailed Pin Configuration

The MAX17005AETP+T has a 20-pin TQFN package with the following pin configuration:

VDD: Power supply input
GND: Ground reference
SDA: I2C data line
SCL: I2C clock line
ALERT: Interrupt output
BAT: Battery voltage sense input
TS: Thermistor input
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection

Functional Features

Accurate SOC estimation using ModelGauge m5 EZ algorithm
Programmable alert thresholds for low battery voltage and SOC
Integrated current-sense amplifier for accurate current measurement
Temperature compensation for improved accuracy across temperature range
Low-power consumption for extended battery life

Advantages and Disadvantages

Advantages: - Accurate estimation of battery SOC - Programmable alert thresholds for customized notifications - Integrated current-sense amplifier for precise current measurement - Temperature compensation ensures accuracy in varying temperatures - Low-power consumption extends battery life

Disadvantages: - Limited to lithium-ion battery applications - Requires I2C communication interface

Working Principles

The MAX17005AETP+T is designed to accurately estimate the state-of-charge (SOC) of lithium-ion batteries. It utilizes the ModelGauge m5 EZ algorithm, which combines the voltage-based fuel gauge with a current accumulator to provide accurate SOC estimation. The integrated current-sense amplifier measures the battery current, while temperature compensation ensures accuracy across a wide temperature range.

Detailed Application Field Plans

The MAX17005AETP+T is commonly used in various applications that require accurate battery SOC estimation, such as:

Portable electronic devices: Smartphones, tablets, laptops, etc.
Wearable devices: Smartwatches, fitness trackers, etc.
Internet of Things (IoT) devices: Sensors, wireless modules, etc.
Medical devices: Portable medical equipment, patient monitoring devices, etc.
Industrial equipment: Handheld tools, measuring instruments, etc.

Detailed and Complete Alternative Models

MAX17043G+U: Similar low-power fuel gauge IC with I2C interface
BQ27441DRZR-G1: Fuel gauge IC with integrated protection features
LTC2943CMS#PBF: Battery gas gauge with I2C interface and precision Coulomb counter

(Note: This list is not exhaustive and there are other alternative models available in the market.)

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX17005AETP+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX17005AETP+T in technical solutions:

Q: What is the MAX17005AETP+T? A: The MAX17005AETP+T is a fuel gauge IC (Integrated Circuit) designed for accurately measuring the remaining capacity of a single-cell lithium-ion battery.
Q: How does the MAX17005AETP+T work? A: The MAX17005AETP+T uses a sophisticated algorithm to measure the battery voltage, current, temperature, and other parameters to estimate the state of charge (SOC) and remaining capacity of the battery.
Q: What is the input voltage range supported by the MAX17005AETP+T? A: The MAX17005AETP+T supports an input voltage range from 2.7V to 4.5V, making it suitable for use with most single-cell lithium-ion batteries.
Q: Can the MAX17005AETP+T be used with other types of batteries? A: No, the MAX17005AETP+T is specifically designed for use with single-cell lithium-ion batteries and may not provide accurate readings with other battery chemistries.
Q: Does the MAX17005AETP+T require external calibration? A: No, the MAX17005AETP+T is factory calibrated and does not require any external calibration. However, some configuration settings may need to be adjusted based on the specific application requirements.
Q: What communication interface does the MAX17005AETP+T support? A: The MAX17005AETP+T supports I2C (Inter-Integrated Circuit) communication interface, allowing easy integration with microcontrollers and other digital devices.
Q: Can the MAX17005AETP+T measure battery temperature? A: Yes, the MAX17005AETP+T has an integrated temperature sensor that can measure the battery temperature, which is used in the fuel gauge algorithm to improve accuracy.
Q: What is the typical accuracy of the MAX17005AETP+T? A: The MAX17005AETP+T has a typical accuracy of ±1% for SOC estimation and ±7mV for voltage measurement, providing reliable battery capacity information.
Q: Does the MAX17005AETP+T support battery protection features? A: No, the MAX17005AETP+T is primarily a fuel gauge IC and does not include built-in battery protection features such as overcharge or over-discharge protection. External protection circuitry may be required.
Q: Are evaluation boards or reference designs available for the MAX17005AETP+T? A: Yes, Maxim Integrated provides evaluation boards and reference designs for the MAX17005AETP+T, making it easier for developers to test and integrate the IC into their applications.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.