BQ771602DPJR - English Editing Encyclopedia Entry

Product Overview

Product Name: BQ771602DPJR
Category: Integrated Circuit (IC)
Use: Battery Protection and Management
Characteristics: High-performance, compact design, advanced features
Package: DFN (Dual Flat No-Lead)
Essence: Ensures safe and efficient battery operation
Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 4.8V
• Overvoltage Threshold: 4.35V ± 25mV
• Undervoltage Threshold: 2.5V ± 50mV
• Overcurrent Threshold: 3.5A ± 10%
• Operating Temperature Range: -40°C to +85°C
• Package Dimensions: 2mm x 2mm

Detailed Pin Configuration

The BQ771602DPJR IC has the following pin configuration:

1. VDD: Power supply input
2. GND: Ground reference
3. SDA: Serial Data Line for communication
4. SCL: Serial Clock Line for communication
5. ALERT: Interrupt output indicating fault conditions
6. BAT: Battery connection terminal
7. TS: Thermistor input for temperature monitoring

Functional Features

• Overvoltage protection
• Undervoltage protection
• Overcurrent protection
• Short circuit protection
• Temperature monitoring
• Communication interface for system integration
• Fault detection and reporting

Advantages and Disadvantages

Advantages: - Compact size enables space-saving designs - High-performance protection ensures battery safety - Advanced features enhance battery management capabilities - Wide operating temperature range allows for versatile applications

Disadvantages: - Limited to specific battery voltage ranges - Requires external communication interface for full functionality

Working Principles

The BQ771602DPJR is designed to protect and manage batteries in various applications. It utilizes a combination of voltage and current monitoring, along with temperature sensing, to ensure safe battery operation. The IC continuously monitors the battery parameters and triggers appropriate actions in case of abnormal conditions such as overvoltage, undervoltage, overcurrent, or short circuit. It also provides a communication interface for system integration, allowing the host device to monitor and control the battery protection functions.

Detailed Application Field Plans

The BQ771602DPJR IC finds applications in a wide range of battery-powered devices, including but not limited to:

1. Portable electronic devices (e.g., smartphones, tablets)
2. Wearable devices (e.g., smartwatches, fitness trackers)
3. Medical devices (e.g., insulin pumps, portable monitors)
4. Electric vehicles (e.g., electric bikes, scooters)
5. Power tools (e.g., cordless drills, electric saws)

Detailed and Complete Alternative Models

1. BQ771601DPJR: Similar to BQ771602DPJR, but with a different package size (3mm x 3mm).
2. BQ771603DPJR: Similar to BQ771602DPJR, but with extended temperature range (-40°C to +105°C).
3. BQ771604DPJR: Similar to BQ771602DPJR, but with additional features for advanced battery management.

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

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