Overview
The TPS54357PWP, manufactured by Texas Instruments, is a high-efficiency synchronous step-down (buck) converter designed for a wide range of power management applications. This IC is part of the SWIFT™ series, known for its compact design and high performance. It supports an input voltage range of 4.5V to 20V and delivers a fixed 5V output with a maximum current of 3A. Packaged in a 16-pin HTSSOP, it is ideal for space-constrained applications. The TPS54357PWP is targeted at industrial, automotive, and consumer electronics sectors, offering a robust solution for voltage regulation with features like integrated low-side gate drivers and pulse-width modulation (PWM) control.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.5 to 20 | V | |
| Output Voltage | 5 | V | Fixed |
| Output Current | 3 | A | Max |
| Switching Frequency | 250 to 500 | kHz | |
| Operating Temperature | -40 to 85 | °C | |
| Package | 16-HTSSOP | Heat-sink/slug, thin profile | |
| Mounting Type | Surface Mount | ||
| Sync Rectifier | Yes | ||
| Control Mode | Voltage-Mode PWM | ||
| Peak Reflow Temp | 260 | °C |
Key Features
- Wide input voltage range (4.5V to 20V) for versatile applications.
- Fixed 5V output with up to 3A current capability.
- Integrated low-side gate driver for simplified design.
- High-efficiency synchronous buck architecture.
- Compact 16-pin HTSSOP package for space-constrained designs.
- Pulse-width modulation (PWM) control for precise voltage regulation.
- Operates over an industrial temperature range (-40°C to 85°C).
Applications
The TPS54357PWP is widely used in various industries due to its robust performance and compact design. Key application areas include:
- Industrial Automation: Powering sensors, controllers, and communication modules.
- Automotive Electronics: Voltage regulation for infotainment systems and advanced driver-assistance systems (ADAS).
- Consumer Electronics: Efficient power management in portable devices and home appliances.
- Telecommunications: Power supply for networking equipment and base stations.
Q & A
1. What is the input voltage range of the TPS54357PWP?
The input voltage range is 4.5V to 20V.
2. What is the output voltage of this IC?
The output voltage is a fixed 5V.
3. What is the maximum output current?
The maximum output current is 3A.
4. What is the switching frequency range?
The switching frequency ranges from 250kHz to 500kHz.
5. Is this IC suitable for automotive applications?
Yes, it is designed to operate in automotive environments.
6. What is the operating temperature range?
It operates from -40°C to 85°C.
7. Does it support synchronous rectification?
Yes, it includes an integrated low-side gate driver for synchronous rectification.
8. What is the package type?
It is available in a 16-pin HTSSOP package.
9. Is this IC RoHS compliant?
Yes, it is RoHS compliant.
10. What are the typical applications of the TPS54357PWP?
Typical applications include industrial automation, automotive electronics, consumer electronics, and telecommunications.
