MAX17230ETLS+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX17230ETLS+ belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is primarily used for battery charging and fuel gauging in portable electronic devices such as smartphones, tablets, and wearables.

Characteristics

• The MAX17230ETLS+ offers high accuracy and efficiency in battery charging and monitoring.
• It supports single-cell lithium-ion/polymer batteries.
• This IC incorporates a sophisticated algorithm for accurate fuel gauging, providing real-time information about the battery's state of charge.
• It features a low quiescent current, ensuring minimal power consumption during standby mode.

Package

The MAX17230ETLS+ is available in a small 12-pin TDFN package, which allows for compact integration into various electronic devices.

Essence

The essence of the MAX17230ETLS+ lies in its ability to efficiently manage battery charging and accurately monitor the battery's capacity, ensuring optimal performance and prolonged battery life.

Packaging/Quantity

This IC is typically sold in reels containing a quantity of 250 units per reel.

Specifications

• Input Voltage Range: 4.0V to 10.5V
• Charging Current Range: Up to 2A
• Operating Temperature Range: -40°C to +85°C
• Fuel Gauge Accuracy: ±1%
• Standby Quiescent Current: 8µA

Detailed Pin Configuration

1. VDD: Power supply input
2. GND: Ground reference
3. TS: Thermistor input for temperature monitoring
4. BAT: Battery connection
5. STAT: Status output pin
6. SDA: I2C data line
7. SCL: I2C clock line
8. INT: Interrupt output pin
9. PROG: Programming input for configuring charging parameters
10. CE: Enable control input
11. SRN: Sense resistor negative terminal
12. SRP: Sense resistor positive terminal

Functional Features

• Accurate battery charging control based on programmable charging parameters.
• Real-time fuel gauging with high precision, providing accurate information about the battery's state of charge.
• Integrated protection features such as overvoltage, undervoltage, and overtemperature protection.
• I2C interface for easy communication with a microcontroller or host device.
• Low quiescent current during standby mode, minimizing power consumption.

Advantages and Disadvantages

Advantages

• High accuracy in battery charging and fuel gauging.
• Compact package size allows for integration into small electronic devices.
• Wide input voltage range enables compatibility with various power sources.
• Integrated protection features enhance safety and reliability.
• Low quiescent current ensures minimal power consumption during standby mode.

Disadvantages

• Limited to single-cell lithium-ion/polymer battery applications.
• Requires programming for configuring charging parameters.

Working Principles

The MAX17230ETLS+ operates by utilizing an advanced algorithm that regulates the charging process of a single-cell lithium-ion/polymer battery. It continuously monitors the battery's voltage, current, and temperature to ensure safe and efficient charging. The IC also incorporates a fuel gauge algorithm that accurately estimates the remaining capacity of the battery based on its voltage and current characteristics.

Detailed Application Field Plans

The MAX17230ETLS+ finds extensive application in various portable electronic devices, including: - Smartphones - Tablets - Wearable devices (smartwatches, fitness trackers) - Portable medical devices - Handheld gaming consoles

Detailed and Complete Alternative Models

1. MAX17231ETLS+: Similar to the MAX17230ETLS+, but with additional features such as a built-in temperature sensor and an extended temperature range.
2. MAX17232ETLS+: A higher current variant of the MAX17230ETLS+ with a charging current range of up to 4A.
3. MAX17233ETLS+: Designed for dual-cell lithium-ion/polymer battery applications, offering similar functionality as the MAX17230ETLS+.

In conclusion, the MAX17230ETLS+ is a highly efficient and accurate IC designed for battery charging and fuel gauging in portable electronic devices. Its compact size, wide input voltage range, and integrated protection features make it an ideal choice for various applications. However, it is important to note its limitations in terms of battery compatibility and the need for programming.