TPS55330RTET

TPS55330RTET Specifications

Manufacturer: Texas Instruments
Part Number: TPS55330RTET
Product Type: Integrated 5-A, 24-V Boost/SEPIC/Flyback DC-DC Regulator
Input Voltage Range: 2.9 V to 16 V
Output Voltage Range: Up to 22 V
Switching Frequency: Adjustable from 100 kHz to 1.2 MHz
Reference Voltage Accuracy: ±0.7%
Quiescent Current: 0.5 mA (typical)
Shutdown Supply Current: 2.7 µA
Control Method: Fixed-Frequency Current-Mode PWM
MOSFET Switch: Internal 5-A, 24-V Low-Side
Synchronization Capability: Yes, to External Clock
Soft-Start: Adjustable
Protection Features: Cycle-by-Cycle Current Limit, Thermal Shutdown, UVLO
Package / Case: 16-Pin WQFN (3 mm × 3 mm)
Operating Temperature Range: -40°C to +150°C
RoHS Status: RoHS Compliant

Key Features

The TPS55330RTET is a versatile DC-DC regulator from Texas Instruments, designed to support various power conversion topologies, including boost, SEPIC, and isolated flyback configurations. Operating within an input voltage range of 2.9 V to 16 V, it can deliver output voltages up to 22 V, making it suitable for applications requiring voltage step-up or inversion. The device integrates a 5-A, 24-V low-side MOSFET switch, enhancing efficiency and reducing the need for external components. Its fixed-frequency current-mode PWM control ensures stable operation, while the adjustable switching frequency. Ranging from 100 kHz to 1.2 MHz, allows designers to optimize performance based on specific application requirements.

The TPS55330RTET also features synchronization capability to an external clock, facilitating phase-locked operation in multi-regulator systems. Additional functionalities include an adjustable soft-start to limit inrush current during startup and robust protection mechanisms such as cycle-by-cycle current limiting, thermal shutdown, and under-voltage lockout (UVLO), ensuring reliable and safe operation across a wide temperature range.

Applications

Power conversion in battery-powered devices requiring voltage boosting
Industrial control systems needing stable and adjustable power supplies
Telecommunication equipment with multiple voltage rail requirements
Automotive electronics requiring efficient DC-DC conversion
Portable medical devices demanding compact and reliable power solutions

Product Overview

Texas Instruments’ TPS55330RTET is engineered to provide efficient and flexible power conversion solutions for a wide array of applications. Its ability to configure into different topologies like boost, SEPIC, and flyback makes it adaptable to various design needs. The integrated low-side MOSFET switch simplifies circuit design and enhances overall efficiency. With an adjustable switching frequency, designers have the flexibility to balance between efficiency and component size. The device’s synchronization feature allows for coordinated operation in systems with multiple regulators. Thus reducing noise and improving performance. Protection features such as cycle-by-cycle current limiting and thermal shutdown safeguard the device and the overall system from potential faults. Packaged in a compact 16-pin WQFN, the TPS55330RTET is suitable for space-constrained applications, offering a reliable and efficient solution for modern power management challenges.

Contact Us

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