BQ20Z90DBTR-V110

Product Overview

Category

BQ20Z90DBTR-V110 belongs to the category of battery fuel gauges.

Use

This product is primarily used for accurately measuring and monitoring the remaining capacity of rechargeable batteries.

Characteristics

• Accurate capacity measurement
• Real-time voltage and current monitoring
• Temperature compensation
• Integrated protection features
• Low power consumption

Package

BQ20Z90DBTR-V110 is available in a small form factor package, suitable for compact electronic devices.

Essence

The essence of BQ20Z90DBTR-V110 lies in its ability to provide accurate and reliable information about the remaining capacity of rechargeable batteries, enabling efficient power management.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Operating Voltage: 2.7V - 4.8V
• Operating Temperature Range: -40°C to +85°C
• Communication Interface: I2C
• Battery Capacity Measurement Resolution: 1mAh
• Cell Balancing Current: Up to 100mA
• Dimensions: 3mm x 3mm

Detailed Pin Configuration

1. VSS: Ground
2. SDA: I2C Data Line
3. SCL: I2C Clock Line
4. ALERT: Interrupt Output
5. TS: Temperature Sense Input
6. BAT: Battery Voltage Sense Input
7. PACK+: Positive Terminal of Battery Pack
8. PACK-: Negative Terminal of Battery Pack

Functional Features

• Accurate battery capacity measurement
• Real-time voltage and current monitoring
• Temperature compensation for improved accuracy
• Overvoltage and undervoltage protection
• Overcurrent protection
• Short circuit protection
• Cell balancing for optimal battery performance

Advantages and Disadvantages

Advantages

• Accurate capacity measurement helps optimize battery usage.
• Real-time monitoring enables proactive power management.
• Integrated protection features ensure safe operation.
• Low power consumption minimizes energy loss.

Disadvantages

• Limited compatibility with certain battery chemistries.
• Requires I2C communication interface support in the host device.

Working Principles

BQ20Z90DBTR-V110 utilizes advanced algorithms to measure the battery's voltage, current, and temperature. These measurements are then processed to accurately estimate the remaining capacity of the battery. The device also incorporates various protection mechanisms to safeguard against overvoltage, undervoltage, overcurrent, and short circuits.

Detailed Application Field Plans

BQ20Z90DBTR-V110 finds applications in a wide range of electronic devices that utilize rechargeable batteries. Some notable application fields include:

1. Portable consumer electronics (e.g., smartphones, tablets)
2. Wearable devices (e.g., smartwatches, fitness trackers)
3. Medical devices (e.g., portable monitors, insulin pumps)
4. Industrial equipment (e.g., handheld tools, measuring instruments)
5. Electric vehicles (e.g., electric bikes, scooters)

Detailed and Complete Alternative Models

1. BQ27441-G1: Similar functionality with enhanced accuracy and extended temperature range.
2. MAX17043G+: Integrated fuel gauge with additional features like programmable alert thresholds.
3. LTC2943: Battery gas gauge with high precision Coulomb counter and integrated temperature sensor.

These alternative models offer similar capabilities to BQ20Z90DBTR-V110 and can be considered based on specific requirements and preferences.

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