Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Applications | Load Share Controller |
| Supply Current | 2.5mA |
| Voltage - Supply | 4.375V ~ 14.25V |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
Tổng quan
Description
The UCC39002DR is a load-share controller IC designed by Texas Instruments, primarily used in power supply applications to ensure even distribution of load current among multiple parallel-connected DC-DC converters or power supply modules. It is a critical component in systems where reliability and efficiency are necessary, such as in telecommunications and server power supplies.
The UCC39002DR integrates an internal amplifier, a voltage reference, and a precise current sharing control loop. It facilitates active current sharing without the need for additional external components, enhancing system performance by mitigating the risk of overloading individual modules. This, in turn, improves the overall power system reliability and lifespan.
Key features of the UCC39002DR include low offset voltage to ensure accurate current sharing, wide supply voltage range, and a small form factor, available in an 8-pin SOIC package. These characteristics make it suitable for applications demanding high reliability and efficiency with minimal PCB space usage. Additionally, the UCC39002DR helps in achieving scalable power architectures by allowing easy addition or removal of power modules without system redesign.
The UCC39002DR integrates an internal amplifier, a voltage reference, and a precise current sharing control loop. It facilitates active current sharing without the need for additional external components, enhancing system performance by mitigating the risk of overloading individual modules. This, in turn, improves the overall power system reliability and lifespan.
Key features of the UCC39002DR include low offset voltage to ensure accurate current sharing, wide supply voltage range, and a small form factor, available in an 8-pin SOIC package. These characteristics make it suitable for applications demanding high reliability and efficiency with minimal PCB space usage. Additionally, the UCC39002DR helps in achieving scalable power architectures by allowing easy addition or removal of power modules without system redesign.
Equivalent
The UCC39002DR is a load share controller from Texas Instruments. Equivalent or alternative products from other manufacturers include the LTC4370 from Analog Devices, the MAX4372 from Maxim Integrated, and the NCP45491 from ON Semiconductor. Always check the specifications and features to ensure compatibility with your application, as these alternatives may have different performance characteristics.
Features
The UCC39002DR is a multi-phase load share controller designed to enhance power supply performance in redundant systems. Key features include:
1. Current Sharing: It ensures balanced load sharing among parallel power modules, which improves system reliability and efficiency.
2. High Accuracy: The device provides precise load share current regulation, minimizing mismatch between modules.
3. Wide Range Compatibility: It supports a wide range of current levels and is compatible with various power supply architectures.
4. Simplified Design: The UCC39002DR allows for easy integration with minimal external components, simplifying design and reducing costs.
5. Fault Tolerance: It includes features for fault detection and isolation, which enhances system robustness.
6. Adjustable Bandwidth: The bandwidth of the load share loop can be adjusted to suit different applications, providing flexibility in design.
7. Package: It is available in a small, 8-pin SOIC package, suitable for space-constrained applications.
These features make the UCC39002DR ideal for telecom, data center, and server applications where efficient load sharing and reliability are critical.
1. Current Sharing: It ensures balanced load sharing among parallel power modules, which improves system reliability and efficiency.
2. High Accuracy: The device provides precise load share current regulation, minimizing mismatch between modules.
3. Wide Range Compatibility: It supports a wide range of current levels and is compatible with various power supply architectures.
4. Simplified Design: The UCC39002DR allows for easy integration with minimal external components, simplifying design and reducing costs.
5. Fault Tolerance: It includes features for fault detection and isolation, which enhances system robustness.
6. Adjustable Bandwidth: The bandwidth of the load share loop can be adjusted to suit different applications, providing flexibility in design.
7. Package: It is available in a small, 8-pin SOIC package, suitable for space-constrained applications.
These features make the UCC39002DR ideal for telecom, data center, and server applications where efficient load sharing and reliability are critical.
Pinout
The UCC39002DR is an advanced load-share controller from Texas Instruments, commonly used in power supply applications to ensure equal current distribution among parallel-connected power supplies. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.
Here is a brief overview of its pin functions:
1. VSENSE (Pin 1): Voltage sense input for monitoring output voltage.
2. IADR (Pin 2): Current adjust pin to set the current share level.
3. SHARE (Pin 3): Current share bus pin, used to communicate between units for load sharing.
4. GND (Pin 4): Ground reference for the IC.
5. EAOUT (Pin 5): Error amplifier output used for feedback control.
6. VDD (Pin 6): Supply voltage input, providing power to the IC.
7. ISENSE (Pin 7): Current sense input for monitoring load current.
8. COMP (Pin 8): Compensation pin for stabilizing the control loop.
These pins together facilitate the UCC39002DR’s role in enhancing the reliability and efficiency of power systems through effective load sharing.
Here is a brief overview of its pin functions:
1. VSENSE (Pin 1): Voltage sense input for monitoring output voltage.
2. IADR (Pin 2): Current adjust pin to set the current share level.
3. SHARE (Pin 3): Current share bus pin, used to communicate between units for load sharing.
4. GND (Pin 4): Ground reference for the IC.
5. EAOUT (Pin 5): Error amplifier output used for feedback control.
6. VDD (Pin 6): Supply voltage input, providing power to the IC.
7. ISENSE (Pin 7): Current sense input for monitoring load current.
8. COMP (Pin 8): Compensation pin for stabilizing the control loop.
These pins together facilitate the UCC39002DR’s role in enhancing the reliability and efficiency of power systems through effective load sharing.
Manufacturer
The UCC39002DR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a variety of electronic components and solutions. TI is well-known for its development of analog chips, embedded processors, and other semiconductor technologies. It serves a wide range of industries, including automotive, industrial, consumer electronics, and communications, providing components that are essential for building a multitude of electronic devices.
Application
The UCC39002DR is a high-performance load-share controller used in applications requiring precise current sharing among multiple parallel power supplies. It is commonly used in telecommunications equipment, servers, and high-availability systems where load sharing enhances reliability and scalability. The UCC39002DR ensures balanced load distribution across power modules, preventing overloading of individual units and improving system efficiency. Additionally, it is utilized in redundant power supply systems to provide fault tolerance and maintain continuous operation. Its advanced current share control helps in achieving optimal power management, thereby supporting robust and efficient power delivery in critical electronic systems.
Package
The UCC39002DR is a precision load share controller from Texas Instruments, available in an 8-pin SOIC (Small Outline Integrated Circuit) package type. This package is denoted by "DR" in the part number, indicating it is a surface-mount component with a standard lead pitch.
