BQ7790503PWR

Product Overview

Category

BQ7790503PWR belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for battery management in various electronic devices.

Characteristics

• Integrated circuit designed for battery management
• Provides protection and monitoring features
• Enables efficient charging and discharging of batteries
• Supports multiple battery chemistries
• Offers high accuracy and reliability

Package

BQ7790503PWR comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of this product lies in its ability to ensure safe and optimal performance of batteries in electronic devices.

Packaging/Quantity

Each package of BQ7790503PWR contains one integrated circuit.

Specifications

• Input Voltage Range: 2.7V to 4.8V
• Operating Temperature Range: -40°C to +85°C
• Battery Chemistry Compatibility: Li-Ion, Li-Polymer, LiFePO4
• Protection Features: Overvoltage, Undervoltage, Overcurrent, Short Circuit
• Monitoring Features: Voltage, Current, Temperature
• Communication Interface: I2C

Detailed Pin Configuration

1. VDD: Power supply input
2. GND: Ground connection
3. SDA: Serial data line for communication
4. SCL: Serial clock line for communication
5. BAT: Battery connection
6. ALERT: Interrupt output for fault conditions
7. TS: Temperature sense input
8. NC: No connection

Functional Features

• Overvoltage protection prevents damage to the battery by limiting the voltage.
• Undervoltage protection ensures safe battery operation by preventing excessive discharge.
• Overcurrent protection safeguards the battery and connected devices from excessive current flow.
• Short circuit protection prevents damage caused by short circuits.
• Voltage monitoring allows accurate measurement of battery voltage.
• Current monitoring enables precise tracking of battery charging and discharging currents.
• Temperature sensing ensures safe battery operation by monitoring the temperature.

Advantages and Disadvantages

Advantages

• Comprehensive protection features ensure the safety of batteries and connected devices.
• Compatibility with multiple battery chemistries offers versatility in application.
• High accuracy and reliability enhance overall performance.
• Compact SOIC package allows for easy integration into various electronic devices.

Disadvantages

• Limited to a specific range of input voltages (2.7V to 4.8V).
• Requires an external microcontroller or host device for communication and control.

Working Principles

BQ7790503PWR operates by continuously monitoring the battery's voltage, current, and temperature. It compares these values against predefined thresholds to detect any abnormal conditions. In case of a fault, such as overvoltage, undervoltage, overcurrent, or short circuit, the integrated circuit takes appropriate actions to protect the battery and connected devices. The communication interface allows external devices to access the monitoring data and configure the protection parameters.

Detailed Application Field Plans

BQ7790503PWR finds applications in various electronic devices that utilize rechargeable batteries. Some potential 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. Electric vehicles (e.g., electric bikes, scooters)

Detailed and Complete Alternative Models

1. BQ7790500PWR
2. BQ7790501PWR
3. BQ7790502PWR
4. BQ7790504PWR
5. BQ7790505PWR

These alternative models offer similar functionality and features, providing options for different system requirements and specifications.

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