MAX17015BETP+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current
• Package: 16-TQFN (3x3mm)
• Essence: Battery Fuel Gauge
• Packaging/Quantity: Tape & Reel (3000 pieces per reel)

Specifications

• Input Voltage Range: 2.5V to 4.5V
• Operating Temperature Range: -40°C to +85°C
• Battery Capacity Range: 100mAh to 4000mAh
• Communication Interface: I2C
• Accuracy: ±1%
• Standby Current: 7µA (typical)
• Shutdown Current: 0.1µA (typical)

Detailed Pin Configuration

The MAX17015BETP+T has a total of 16 pins arranged as follows:

1. VDD: Power Supply Input
2. SDA: I2C Serial Data Input/Output
3. SCL: I2C Serial Clock Input
4. GND: Ground
5. BAT: Battery Connection
6. TS: Thermistor Input
7. STAT: Status Output
8. ALRT: Alert Output
9. INT: Interrupt Output
10. CE: Chip Enable Input
11. SRN: Sense Resistor Negative Terminal
12. SRP: Sense Resistor Positive Terminal
13. VSS: Negative Supply Voltage
14. VREF: Reference Voltage Output
15. VDD: Power Supply Input
16. VSS: Negative Supply Voltage

Functional Features

• Accurate battery fuel gauge with integrated current sensing
• ModelGauge m5 algorithm for precise state-of-charge estimation
• Programmable alert thresholds for low battery indication
• Temperature compensation for accurate readings in varying conditions
• Low quiescent current for extended battery life
• Integrated protection features against overvoltage, undervoltage, and overcurrent

Advantages and Disadvantages

Advantages: - High accuracy in estimating battery state-of-charge - Low power consumption - Compact package size - Wide operating temperature range - Integrated protection features

Disadvantages: - Limited battery capacity range (100mAh to 4000mAh) - Requires I2C communication interface

Working Principles

The MAX17015BETP+T is a battery fuel gauge IC that accurately estimates the state-of-charge of a connected battery. It utilizes the ModelGauge m5 algorithm, which combines voltage, current, and temperature measurements to provide precise readings. The IC communicates with the host system through the I2C interface, allowing for easy integration into various applications.

The device continuously monitors the battery voltage and current to track its charge and discharge cycles. It compensates for temperature variations to ensure accurate readings in different environments. The integrated protection features safeguard the battery against overvoltage, undervoltage, and overcurrent conditions.

Detailed Application Field Plans

The MAX17015BETP+T is suitable for a wide range of applications that require accurate battery monitoring and management. Some potential application fields include:

1. Portable Electronics: Smartphones, tablets, portable gaming devices, and wearable devices can benefit from the precise battery fuel gauge provided by the MAX17015BETP+T. It enables users to monitor their battery levels accurately and plan their usage accordingly.

2. Medical Devices: Battery-powered medical devices, such as glucose meters, insulin pumps, and patient monitors, rely on accurate battery monitoring to ensure uninterrupted operation. The MAX17015BETP+T offers reliable state-of-charge estimation and low power consumption, making it suitable for such applications.

3. Industrial Equipment: Battery-powered industrial equipment, such as handheld tools, measurement devices, and data loggers, can benefit from the MAX17015BETP+T's compact size and high accuracy. It enables efficient battery management and helps prevent unexpected shutdowns during critical operations.

Detailed and Complete Alternative Models

1. MAX17016BETP+T: Similar to the MAX17015BETP+T, but with a higher battery capacity range (100mAh to 6000mAh).
2. MAX17017BETP+T: Offers additional features like programmable input current limit and support for multiple battery chemistries.
3. MAX17018BETP+T: Designed for ultra-low power applications, with an even lower quiescent current and extended battery life.

These alternative models provide similar functionality to the MAX17015BETP+T while offering different specifications and features to cater to specific application requirements.

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