UCC28950PWR

The UCC28950PWR is a Texas Instruments PWM (Pulse Width Modulation) controller designed for high-efficiency, phase-shifted full-bridge converters. It is primarily used in isolated DC-DC power conversion applications. This controller facilitates achieving higher efficiency by enabling zero-voltage switching (ZVS) across the primary-side FETs, thereby minimizing switching losses.
Key features include adaptive delay set, synchronous rectifier control, and the ability to operate in both peak current and voltage mode control. It also offers comprehensive protection features such as overcurrent, overvoltage, and thermal shutdown, ensuring robust performance in a range of operating conditions. Its adaptive delay feature optimizes the timing for ZVS, improving efficiency across varying loads.
The device is packaged in a 24-pin TSSOP (Thin Shrink Small Outline Package), making it suitable for compact designs. With a wide input voltage range, the UCC28950PWR is ideal for applications like telecom power supplies, server power supplies, and other high-density power systems. Overall, it provides designers with a flexible and efficient solution for power management in demanding applications.

The UCC28950PWR is a phase-shifted full-bridge PWM controller by Texas Instruments. Equivalent products include the UCC28951, which offers improvements over the UCC28950, and other similar controllers like the LTC3723-1 and LTC3723-2 from Analog Devices, as well as the LM5046 from Texas Instruments. When selecting an equivalent, ensure it matches your specific requirements such as input voltage, output power, and switching frequency.

The UCC28950PWR is a phase-shifted full-bridge controller from Texas Instruments, designed for high-efficiency power conversion applications. Key features include:
1. Phase-Shifted Control: Optimizes efficiency by reducing switching losses, suitable for isolated DC-DC converters.

2. Advanced Modulation: Supports zero-voltage switching (ZVS) for both primary and secondary sides, minimizing power loss.
3. Adaptive Delay: Automatically adjusts the delay between the gate drive signals to optimize efficiency.
4. Synchronous Rectification: Facilitates high efficiency and low output ripple by controlling the secondary-side MOSFETs.
5. Flexible Protection: Includes over-voltage, over-current, and over-temperature protection to ensure reliable operation.
6. Programmable Dead Time: Allows customization of switching characteristics to suit specific applications.
7. Wide Input Range: Supports a broad input voltage range, enhancing versatility in different power environments.
8. Scalable Design: Suitable for a variety of power levels due to its scalable architecture.
9. Output Voltage Control: Provides precise control over output voltage, enhancing regulation under varying load conditions.
This device is ideal for high-efficiency power supply designs in telecom, server, and industrial power systems.

The UCC28950PWR is a high-performance phase-shifted full-bridge PWM controller from Texas Instruments, designed for isolated power supply applications. It typically comes in a 20-pin TSSOP (Thin Shrink Small Outline Package) with PowerPAD.
Here's a brief overview of its pin functions:
1. COMP: Compensation network for error amplifier.
2. CS: Current sense input.
3. RT: Resistor timing for oscillator frequency setting.
4. SS/EN: Soft-start and enable control.
5. SYNC: Synchronization input/output.
6. VREF: Reference voltage output.
7. RSET: Sets dead-time between outputs.
8. VDD: Supply voltage input.
9. PGND: Power ground.
10. OUTA, OUTB, OUTC, OUTD: Gate drive outputs.
11. VBR: Voltage input for brownout protection.
12. FB: Feedback input.
13. SRA, SRB: Synchronous rectifier control outputs.
14. PWRGD: Power good indicator.
15. LODRV: Low side drive output for switching applications.
16. GND: Ground connection.
17. RES: Reset for fault conditions.
This concise summary covers the essentials of the UCC28950PWR's pin count and functions, staying within the requested word limit.

The UCC28950PWR is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company known for designing and manufacturing semiconductors and various integrated circuits. TI develops analog chips and embedded processors, which are used in a wide range of electronic applications across industries such as automotive, industrial, personal electronics, communications equipment, and more. The company is a leader in the semiconductor industry, emphasizing innovation and quality in its product offerings.

The UCC28950PWR is typically used in high-efficiency power supply applications due to its advanced control features for phase-shifted full-bridge converters. Key application areas include telecom and networking equipment, server power supplies, industrial power systems, and renewable energy systems. Its ability to optimize zero-voltage switching (ZVS) helps reduce switching losses, making it suitable for high-density power designs. Additionally, its features like synchronous rectification and adaptive delay adjustment make it ideal for applications requiring precise control and high efficiency.

The UCC28950PWR is a Texas Instruments controller IC for phase-shifted full-bridge converters. It comes in a 20-pin TSSOP (Thin Shrink Small Outline Package) with PowerPAD, which enhances thermal performance.