BQ26501PWG4

Product Overview

Category

BQ26501PWG4 belongs to the category of power management integrated circuits (PMICs).

Use

This product is primarily used for power management in electronic devices, providing efficient and reliable control over power supply and distribution.

Characteristics

• High efficiency: The BQ26501PWG4 offers high conversion efficiency, minimizing power loss during operation.
• Compact package: It comes in a small form factor package, making it suitable for space-constrained applications.
• Wide input voltage range: The PMIC can handle a wide range of input voltages, ensuring compatibility with various power sources.
• Low standby power consumption: It features low quiescent current, reducing power consumption during idle periods.

Package

The BQ26501PWG4 is available in a compact and robust package, ensuring durability and ease of integration into electronic devices.

Essence

The essence of BQ26501PWG4 lies in its ability to efficiently manage power supply and distribution, optimizing energy usage and enhancing overall system performance.

Packaging/Quantity

This product is typically packaged in reels or trays, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 2.7V - 5.5V
• Output Voltage Range: Adjustable from 0.6V to VIN
• Maximum Output Current: 3A
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to 85°C
• Control Interface: I2C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. VOUT: Output voltage pin
5. FB: Feedback pin
6. SDA: I2C data pin
7. SCL: I2C clock pin

Functional Features

• Voltage regulation: The BQ26501PWG4 provides stable and accurate voltage regulation, ensuring consistent power supply to connected devices.
• Current limiting: It incorporates current limiting functionality to protect the system from excessive current draw or short circuits.
• Thermal protection: The PMIC includes thermal protection mechanisms to prevent overheating and ensure safe operation.
• Power sequencing: It supports power sequencing, allowing controlled startup and shutdown of various power domains in a system.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and longer battery life.
• Compact package enables integration into space-constrained designs.
• Wide input voltage range enhances compatibility with different power sources.
• Low standby power consumption minimizes energy wastage during idle periods.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Control interface limited to I2C may require additional components for compatibility with other communication protocols.

Working Principles

The BQ26501PWG4 operates by regulating the input voltage and converting it to the desired output voltage using a switching regulator. It employs a control loop that continuously monitors the output voltage and adjusts the switching frequency and duty cycle to maintain the desired voltage level. This ensures a stable and reliable power supply to the connected devices.

Detailed Application Field Plans

The BQ26501PWG4 finds application in various electronic devices, including but not limited to: - Portable consumer electronics (e.g., smartphones, tablets) - Wearable devices (e.g., smartwatches, fitness trackers) - Internet of Things (IoT) devices - Industrial equipment - Automotive electronics

Detailed and Complete Alternative Models

1. BQ24075RGTR: A similar PMIC with a lower maximum output current but wider input voltage range.
2. TPS65218BZCHR: An alternative PMIC offering higher maximum output current and additional features such as voltage monitoring and protection.

These alternative models provide options for different power management requirements, allowing designers to choose the most suitable solution for their specific applications.

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