BQ20Z90DBTR-V150

Product Overview

Category

BQ20Z90DBTR-V150 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in battery management systems (BMS) for monitoring and controlling the performance of rechargeable batteries.

Characteristics

• Integrated circuit designed for battery management
• Monitors battery voltage, current, temperature, and capacity
• Provides accurate state-of-charge (SOC) estimation
• Supports communication protocols such as I2C and SMBus
• Offers protection features like overvoltage and undervoltage detection

Package

BQ20Z90DBTR-V150 comes in a small outline transistor (SOT) package.

Essence

The essence of this product lies in its ability to accurately monitor and manage the performance of rechargeable batteries, ensuring optimal usage and extending their lifespan.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of BQ20Z90DBTR-V150 ICs.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Communication Interface: I2C, SMBus
• Battery Capacity Measurement Resolution: 1 mAh
• SOC Estimation Accuracy: ±5%
• Protection Features: Overvoltage, Undervoltage, Overcurrent

Detailed Pin Configuration

The BQ20Z90DBTR-V150 IC has the following pin configuration:

1. VSS - Ground
2. SDA - Serial Data Line
3. SCL - Serial Clock Line
4. ALERT - Interrupt Output
5. VDD - Supply Voltage
6. TS1 - Temperature Sense Input 1
7. TS2 - Temperature Sense Input 2
8. BAT - Battery Voltage Sense Input
9. VSS - Ground
10. VSS - Ground

Functional Features

• Accurate monitoring of battery voltage, current, temperature, and capacity
• Real-time state-of-charge (SOC) estimation
• Communication with external devices using I2C or SMBus protocols
• Overvoltage and undervoltage protection for the battery
• Temperature sensing for thermal management

Advantages and Disadvantages

Advantages

• Precise monitoring and control of battery performance
• Reliable SOC estimation
• Support for popular communication protocols
• Comprehensive protection features

Disadvantages

• Limited operating temperature range (-40°C to +85°C)
• Requires additional external components for complete battery management system implementation

Working Principles

BQ20Z90DBTR-V150 operates by continuously measuring battery voltage, current, and temperature. It uses these measurements to estimate the state-of-charge (SOC) of the battery accurately. The IC communicates with external devices through the I2C or SMBus interface, allowing for seamless integration into battery management systems. Additionally, it provides protection against overvoltage and undervoltage conditions, ensuring safe operation of the battery.

Detailed Application Field Plans

BQ20Z90DBTR-V150 finds applications in various fields, including:

1. Electric vehicles: Monitoring and managing battery performance in electric cars.
2. Portable electronics: Optimizing battery usage in smartphones, tablets, and laptops.
3. Renewable energy systems: Controlling battery charging and discharging in solar power systems.
4. Medical devices: Ensuring reliable battery performance in medical equipment.
5. Industrial automation: Managing battery life in remote monitoring systems and wireless sensors.

Detailed and Complete Alternative Models

1. BQ20Z80DBTR-V150: Similar functionality with a different package and pin configuration.
2. BQ30Z55DBTR-V150: Advanced battery management IC with additional features like fuel gauging and impedance tracking.
3. BQ34Z100DBTR-V150: High-precision battery management IC with enhanced SOC estimation accuracy.

(Note: The above alternative models are just examples and not an exhaustive list.)

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