UCC28513DWRG4

Product Overview

Category

UCC28513DWRG4 belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various power supply systems, including switch-mode power supplies (SMPS), battery chargers, and LED drivers.

Characteristics

• High efficiency: The UCC28513DWRG4 offers high efficiency due to its advanced control algorithms and low power consumption.
• Wide input voltage range: It can operate with a wide input voltage range, making it suitable for different power supply applications.
• Protection features: This IC incorporates various protection features such as overvoltage protection (OVP), undervoltage lockout (UVLO), and thermal shutdown.

Package

The UCC28513DWRG4 comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of UCC28513DWRG4 lies in its ability to efficiently regulate and control power flow in various applications, ensuring stable and reliable operation.

Packaging/Quantity

This IC is typically packaged in reels or tubes, containing a specific quantity per package. The exact packaging and quantity may vary depending on the manufacturer and supplier.

Specifications

• Input Voltage Range: 4.5V to 65V
• Output Voltage Range: 0.8V to 60V
• Maximum Output Current: 1A
• Switching Frequency: Up to 2MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The UCC28513DWRG4 has the following pin configuration:

1. VDD: Power supply input
2. GND: Ground reference
3. FB: Feedback pin for output voltage regulation
4. COMP: Compensation pin for stability control
5. EN/UVLO: Enable/Undervoltage lockout pin
6. SS/TR: Soft-start/Tracking pin
7. CS: Current sense pin
8. DRV: Gate driver output

Functional Features

• Voltage Mode Control: The UCC28513DWRG4 utilizes voltage mode control to regulate the output voltage, providing stable and accurate power delivery.
• Adaptive Dead-Time Control: This IC incorporates adaptive dead-time control to optimize efficiency and minimize switching losses.
• Frequency Foldback: It features frequency foldback functionality to protect against excessive current during overload conditions.
• Cycle-by-Cycle Current Limiting: The UCC28513DWRG4 implements cycle-by-cycle current limiting to prevent excessive current flow and protect the system.

Advantages and Disadvantages

Advantages

• High efficiency operation
• Wide input voltage range
• Comprehensive protection features
• Compact package size

Disadvantages

• Limited maximum output current (1A)
• Requires external components for complete power supply implementation

Working Principles

The UCC28513DWRG4 operates based on a voltage mode control scheme. It compares the feedback voltage with a reference voltage to generate an error signal. This error signal is then processed by the internal control circuitry to adjust the duty cycle of the PWM (Pulse Width Modulation) signal. By regulating the duty cycle, the IC controls the power delivered to the load, maintaining the desired output voltage.

Detailed Application Field Plans

The UCC28513DWRG4 finds applications in various power management systems, including: - Switch-mode power supplies (SMPS) - Battery chargers - LED drivers - Industrial power supplies - Telecom power systems

Detailed and Complete Alternative Models

• UCC28513DW: Similar specifications and features, but available in a different package (SOIC-8).
• UCC28513D: Similar specifications and features, but available in a different package (SOIC-8).
• UCC28513DGNR: Similar specifications and features, but available in a different package (MSOP-8).

Note: The availability of alternative models may vary depending on the manufacturer and supplier.

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