MAX17023BAUI/V+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Battery Fuel Gauge
• Characteristics: High Accuracy, Low Power Consumption
• Package: TDFN-14
• Essence: Monolithic Battery Fuel Gauge System
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Voltage Range: 1.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Battery Types Supported: Li-Ion, Li-Polymer
• Fuel Gauge Algorithm: ModelGauge m5 EZ
• Communication Interface: I2C
• Accuracy: ±1%
• Low Power Mode Current: 8µA (typical)

Pin Configuration

The MAX17023BAUI/V+T has a total of 14 pins. The pin configuration is as follows:

1. VDD: Power Supply Input
2. GND: Ground
3. SDA: I2C Serial Data Input/Output
4. SCL: I2C Serial Clock Input
5. ALRT: Alert Output
6. TS: Thermistor Input
7. BAT: Battery Voltage Sense Input
8. VSS: Negative Terminal of the Battery
9. VDDP: Power Supply for Internal Pullups
10. CE: Chip Enable Input
11. SRN: Sense Resistor Negative Terminal
12. SRP: Sense Resistor Positive Terminal
13. VSSP: Negative Terminal of the Sense Resistor
14. VDDP: Power Supply for Internal Pullups

Functional Features

• Accurate measurement of battery capacity
• Real-time reporting of remaining battery capacity
• Automatic compensation for temperature effects
• Low power consumption for extended battery life
• Integrated protection against overvoltage and undervoltage conditions
• Programmable alert function for low battery indication

Advantages and Disadvantages

Advantages

• High accuracy in measuring battery capacity
• Low power consumption prolongs battery life
• Integrated protection ensures safe operation
• Real-time reporting of remaining battery capacity
• Compact package size allows for easy integration

Disadvantages

• Limited to Li-Ion and Li-Polymer battery types
• Requires I2C communication interface support

Working Principles

The MAX17023BAUI/V+T utilizes the ModelGauge m5 EZ algorithm to accurately estimate the remaining capacity of a Li-Ion or Li-Polymer battery. It measures the battery voltage, current, and temperature to calculate the state of charge (SOC). The integrated thermistor compensates for temperature effects on battery performance. The fuel gauge communicates with the host system through the I2C interface, providing real-time information about the battery's capacity.

Detailed Application Field Plans

The MAX17023BAUI/V+T is widely used in various applications that require accurate monitoring of battery capacity. Some of the common application fields include:

1. Portable Electronics: Smartphones, tablets, laptops, and wearable devices.
2. Medical Devices: Patient monitors, portable medical equipment, and diagnostic devices.
3. Industrial Equipment: Handheld tools, wireless sensors, and data loggers.
4. Internet of Things (IoT): Battery-powered IoT devices, smart home devices, and environmental sensors.
5. Automotive: Electric vehicles, hybrid vehicles, and battery management systems.

Detailed and Complete Alternative Models

1. MAX17043G+U: Similar functionality, smaller package (UCSP-9)
2. MAX17055G+U: Higher accuracy, larger package (UCSP-12)
3. MAX17201G+U: Integrated protection, extended temperature range (UCSP-9)
4. MAX17211G+U: Higher accuracy, extended temperature range (UCSP-12)

These alternative models offer similar features and can be considered based on specific application requirements.

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