Texas Instruments

LP8728QSQX-A/NOPB  

DC Switching Voltage Regulators

LP8728QSQX-A/NOPB Description

The LP8728QSQX-A/NOPB is a highly integrated Power Management IC (PMIC) designed for automotive applications, offering a fixed output voltage regulator with multiple outputs. Manufactured by Texas Instruments, this device is part of the LP8728 family and features a robust buck topology with a switching frequency of 3.2MHz. The PMIC supports an input voltage range of 4.5V to 5.5V and provides a maximum output current of 1A. It is available in a 28-pin WQFN package, suitable for surface mount applications, and is REACH unaffected and ROHS3 compliant.

LP8728QSQX-A/NOPB Features

• Output Type: Fixed, providing stable voltage regulation.
• Voltage - Input (Min/Max): 4.5V to 5.5V, ensuring compatibility with a wide range of power sources.
• Current - Output: 1A, capable of delivering sufficient power for demanding applications.
• Output Configuration: Positive, ensuring compatibility with most automotive systems.
• Output Voltage Options: 1.2V, 1.5V, 1.8V/2.65V, 3.3V, offering flexibility in system design.
• Switching Frequency: 3.2MHz, enabling high efficiency and reduced component size.
• Synchronous Rectifier: Yes, enhancing efficiency and reducing power loss.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), suitable for various environmental conditions.
• Grade: Automotive, ensuring reliability and durability in harsh environments.
• Mounting Type: Surface Mount, facilitating compact and efficient PCB design.
• Number of Outputs: 4, providing multiple power rails for complex systems.
• Package: Tape & Reel (TR), ensuring ease of handling and assembly in production lines.

LP8728QSQX-A/NOPB Applications

The LP8728QSQX-A/NOPB is ideal for automotive applications requiring multiple power rails with high efficiency and reliability. Its fixed output voltage options make it suitable for powering microcontrollers, sensors, and other electronic components in vehicles. The PMIC's high switching frequency and synchronous rectifier ensure minimal power loss and heat generation, making it ideal for compact and thermally constrained environments. The device's automotive grade and moisture sensitivity level of 1 (Unlimited) make it robust against the harsh conditions often encountered in automotive systems.

Conclusion of LP8728QSQX-A/NOPB

The LP8728QSQX-A/NOPB from Texas Instruments is a versatile and reliable PMIC designed for automotive applications. Its multiple fixed output voltages, high switching frequency, and synchronous rectifier provide efficient power management with minimal power loss. The device's automotive grade and robustness against environmental conditions ensure long-term reliability. Despite being marked as obsolete, the LP8728QSQX-A/NOPB remains a valuable component for legacy systems and applications requiring its specific features and performance benefits.

LP8728QSQX-A/NOPB Documents

Download datasheets and manufacturer documentation for LP8728QSQX-A/NOPB