BD4923G-TR

Product Overview

Category: Integrated Circuit (IC)

Use: The BD4923G-TR is a versatile integrated circuit primarily used for power management applications. It provides efficient voltage regulation and control, making it suitable for various electronic devices.

Characteristics: - High efficiency power management - Compact size - Wide input voltage range - Low power consumption - Reliable performance

Package: The BD4923G-TR is available in a small outline package (SOP) which ensures easy integration into electronic circuits. The package is designed to provide thermal stability and protection against external factors.

Essence: The essence of the BD4923G-TR lies in its ability to efficiently manage power supply, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity: The BD4923G-TR is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

The BD4923G-TR features the following specifications:

• Input Voltage Range: 2.7V - 5.5V
• Output Voltage Range: 0.8V - 3.6V
• Maximum Output Current: 1.5A
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 95%
• Quiescent Current: 60µA (typical)

Detailed Pin Configuration

The BD4923G-TR has a total of 8 pins, each serving a specific function. The pin configuration is as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin (active high)
4. FB: Feedback pin for output voltage regulation
5. VOUT: Output voltage pin
6. SW: Switching pin for power regulation
7. PGND: Power ground pin
8. SS: Soft-start pin for gradual power-up

Functional Features

The BD4923G-TR offers several functional features that enhance its performance and usability:

1. Voltage Regulation: The IC provides precise voltage regulation, ensuring stable output voltage even under varying load conditions.
2. Current Limit Protection: It incorporates current limit protection to prevent damage due to excessive current flow.
3. Short Circuit Protection: The BD4923G-TR includes short circuit protection, safeguarding the device and connected components from potential damage.
4. Thermal Shutdown: In case of excessive temperature rise, the IC activates thermal shutdown to prevent overheating and maintain safe operation.

Advantages and Disadvantages

Advantages: - High efficiency power management leads to reduced energy consumption. - Compact size allows for easy integration into space-constrained designs. - Wide input voltage range enables compatibility with various power sources. - Reliable performance ensures stable operation of electronic devices.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Operating temperature range may restrict usage in extreme environments.

Working Principles

The BD4923G-TR operates based on a switching regulator principle. It utilizes a control loop to monitor and adjust the output voltage according to the desired set point. The switching mechanism efficiently converts the input voltage to the required output voltage, minimizing power loss and maximizing efficiency.

Detailed Application Field Plans

The BD4923G-TR finds applications in various fields, including but not limited to: - Portable electronic devices (e.g., smartphones, tablets) - Wearable devices (e.g., smartwatches, fitness trackers) - IoT (Internet of Things) devices - Battery-powered devices - Industrial automation systems

Detailed and Complete Alternative Models

1. BD4915G-TR: Similar to the BD4923G-TR, this IC offers voltage regulation and power management capabilities with a slightly lower maximum output current.
2. BD4937G-TR: This alternative model provides higher maximum output current while maintaining similar characteristics and functionality to the BD4923G-TR.
3. BD4941G-TR: Designed for high-power applications, this alternative model offers a significantly higher maximum output current compared to the BD4923G-TR.

These alternative models can be considered based on specific requirements and application needs.

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