MAX17003ETJ+T

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Battery Management
• Characteristics: High Accuracy Fuel Gauge with ModelGauge m5 EZ Algorithm
• Package: 32-TQFN (5x5)
• Essence: MAX17003ETJ+T is a highly accurate fuel gauge IC designed for battery management applications. It incorporates the ModelGauge m5 EZ algorithm, which provides precise state-of-charge (SOC) and remaining capacity information.
• Packaging/Quantity: The MAX17003ETJ+T is available in a 32-TQFN package and is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.7V to 4.8V
• Operating Temperature Range: -40°C to +85°C
• SOC Measurement Accuracy: ±1%
• Battery Capacity Range: 10mAh to 10000mAh
• Communication Interface: I2C
• Cell Balancing: Yes
• Overvoltage Protection: Yes
• Undervoltage Protection: Yes
• Overcurrent Protection: Yes
• Short Circuit Protection: Yes

Pin Configuration

The MAX17003ETJ+T has a total of 32 pins. Here is a detailed pin configuration:

1. VDD: Power supply input
2. GND: Ground
3. SDA: I2C data line
4. SCL: I2C clock line
5. ALERT: Interrupt output
6. TS: Thermistor input
7. BAT: Battery voltage input
8. PACK+: Positive terminal of external pack
9. PACK-: Negative terminal of external pack
10. STAT: Status output
11. DSG: Discharge FET control
12. CHG: Charge FET control
13. THERM: Thermistor input
14. VSS: Ground
15. VDD: Power supply input
16. VSS: Ground
17. VDD: Power supply input
18. VSS: Ground
19. VDD: Power supply input
20. VSS: Ground
21. VDD: Power supply input
22. VSS: Ground
23. VDD: Power supply input
24. VSS: Ground
25. VDD: Power supply input
26. VSS: Ground
27. VDD: Power supply input
28. VSS: Ground
29. VDD: Power supply input
30. VSS: Ground
31. VDD: Power supply input
32. VSS: Ground

Functional Features

• ModelGauge m5 EZ Algorithm: The MAX17003ETJ+T utilizes the ModelGauge m5 EZ algorithm, which provides accurate SOC and remaining capacity information without requiring a battery characterization process.
• High Accuracy: The SOC measurement accuracy of ±1% ensures precise monitoring of the battery's state-of-charge.
• Integrated Protection: The IC features built-in overvoltage, undervoltage, overcurrent, and short circuit protection mechanisms to safeguard the battery and connected devices.
• Cell Balancing: The MAX17003ETJ+T supports cell balancing, ensuring uniform charging and discharging across multiple cells in a battery pack.
• I2C Communication Interface: The I2C interface allows for easy integration with microcontrollers and other devices.

Advantages and Disadvantages

Advantages: - Accurate SOC measurement - Integrated protection features - Cell balancing support - Easy integration with microcontrollers

Disadvantages: - Limited operating temperature range (-40°C to +85°C) - Requires an external thermistor for temperature monitoring

Working Principles

The MAX17003ETJ+T works by continuously monitoring the battery voltage, current, and temperature. It uses the ModelGauge m5 EZ algorithm to accurately estimate the state-of-charge and remaining capacity of the battery. The algorithm eliminates the need for battery characterization, making it easy to use in various applications.

The IC also incorporates protection features such as overvoltage, undervoltage, overcurrent, and short circuit protection. These mechanisms ensure the safety and longevity of the battery and connected devices.

Detailed Application Field Plans

The MAX17003ETJ+T is widely used in battery management systems for various applications, including:

1. Portable Electronics: Smartphones, tablets, laptops, and wearable devices.
2. Power Tools: Cordless drills, saws, and other battery-powered tools.
3. Electric Vehicles: Battery monitoring and management in electric cars and bikes.
4. Energy Storage Systems: Monitoring and control of batteries in solar power systems and grid energy storage.

Detailed and Complete Alternative Models

1. MAX17043G+U: Similar fuel gauge IC with a smaller package (16-uMAX).
2. BQ27441DRZR-G1: