BQ2092SN-A311

Product Overview

Category

BQ2092SN-A311 belongs to the category of integrated circuits (ICs) specifically designed for battery management systems.

Use

This product is primarily used for monitoring and controlling rechargeable batteries, ensuring their safe and efficient operation.

Characteristics

• Integrated circuit for battery management
• Monitors battery voltage, current, and temperature
• Controls charging and discharging processes
• Provides protection against overcharging, over-discharging, and overheating

Package

BQ2092SN-A311 is available in a compact surface-mount package, making it suitable for space-constrained applications.

Essence

The essence of this product lies in its ability to accurately monitor and control various parameters of rechargeable batteries, ensuring their optimal performance and longevity.

Packaging/Quantity

BQ2092SN-A311 is typically supplied in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 2.7V to 4.5V
• Operating Temperature Range: -40°C to +85°C
• Battery Voltage Measurement Accuracy: ±10mV
• Current Measurement Accuracy: ±1%
• Overvoltage Protection Threshold: Configurable
• Undervoltage Protection Threshold: Configurable
• Overtemperature Protection Threshold: Configurable

Detailed Pin Configuration

1. VDD: Power supply input
2. GND: Ground reference
3. BAT: Battery voltage sense input
4. TS: Temperature sense input
5. SDA: I2C data line
6. SCL: I2C clock line
7. ALERT: Interrupt output
8. VSS: Negative terminal of the battery pack
9. VCC: Positive terminal of the battery pack

Functional Features

• Accurate monitoring of battery voltage, current, and temperature
• Configurable protection thresholds for overvoltage, undervoltage, and overtemperature conditions
• I2C interface for communication with a microcontroller or host system
• Interrupt output to signal critical events
• Low power consumption in standby mode

Advantages and Disadvantages

Advantages

• Precise battery monitoring and control
• Customizable protection thresholds
• Compact package suitable for space-constrained applications
• Efficient power management
• Easy integration with microcontrollers or host systems

Disadvantages

• Limited compatibility with specific battery chemistries or configurations
• Requires additional external components for complete battery management system implementation

Working Principles

BQ2092SN-A311 operates by continuously measuring the battery voltage, current, and temperature using dedicated sensing inputs. It compares these values against user-configured thresholds to detect abnormal conditions such as overvoltage, undervoltage, or overtemperature. When a threshold is exceeded, the IC takes appropriate actions to protect the battery, such as disabling charging or discharging. Communication with a microcontroller or host system is facilitated through the I2C interface.

Detailed Application Field Plans

BQ2092SN-A311 finds extensive application in various fields, including: 1. Electric vehicles (EVs) and hybrid electric vehicles (HEVs) 2. Portable electronic devices (e.g., smartphones, tablets, laptops) 3. Energy storage systems (ESS) for renewable energy sources 4. Uninterruptible power supplies (UPS) 5. Medical devices powered by rechargeable batteries

Detailed and Complete Alternative Models

1. BQ76930: Battery management IC with enhanced protection features
2. LTC6804: Multicell battery monitor and balancer
3. MAX14920: Integrated battery management and charger IC
4. DS2788: Smart battery monitor and gas gauge
5. BQ40Z50: Battery fuel gauge with impedance track technology

These alternative models offer similar functionalities to BQ2092SN-A311 and can be considered based on specific application requirements.

Word count: 530 words