Overview
The TPS54357PWPR is a synchronous step-down (buck) SWIFT™ converter produced by Texas Instruments. Designed for high-efficiency power conversion, this IC operates with an input voltage range of 4.5V to 20V and delivers a fixed 5V output at up to 3A. Packaged in a 16-HTSSOP form factor, it is ideal for compact power management solutions in industrial, automotive, and consumer electronics applications. Its integration of a low-side gate driver and pulse-width modulation (PWM) control ensures high performance and reliability.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.5 to 20 | V | |
| Output Voltage | 5 | V | Fixed |
| Output Current | 3 | A | |
| Switching Frequency | 250, 500 | kHz | Selectable |
| Operating Temperature | -40 to 85 | °C | |
| Package | 16-HTSSOP | Surface Mount | |
| Control Mode | Voltage-Mode | PWM | |
| Sync Rectifier | Yes | ||
| ECCN Code | EAR99 | ||
| Lead Time | 1 week |
Key Features
- Wide input voltage range (4.5V to 20V) for versatile applications.
- Integrated low-side gate driver for enhanced efficiency.
- Fixed 5V output with up to 3A current capability.
- Selectable switching frequency (250kHz or 500kHz) for design flexibility.
- Compact 16-HTSSOP package suitable for space-constrained designs.
- Robust thermal and electrical performance with a temperature range of -40°C to 85°C.
Applications
The TPS54357PWPR is widely used in various industries, including:
- Industrial Automation: Powering sensors, controllers, and communication modules.
- Automotive Electronics: Supporting infotainment systems, lighting, and advanced driver-assistance systems (ADAS).
- Consumer Electronics: Enabling efficient power management in portable devices, smart home products, and IoT devices.
Q & A
1. What is the input voltage range of the TPS54357PWPR?
The input voltage range is 4.5V to 20V.
2. What is the output voltage of this IC?
It provides a fixed 5V output.
3. What is the maximum output current?
The maximum output current is 3A.
4. Does it support synchronous rectification?
Yes, it includes a synchronous rectifier for improved efficiency.
5. What is the switching frequency?
The switching frequency is selectable between 250kHz and 500kHz.
6. What is the operating temperature range?
It operates from -40°C to 85°C.
7. What package does the TPS54357PWPR use?
It is available in a 16-HTSSOP package.
8. Is this IC RoHS compliant?
Yes, it is RoHS compliant.
9. What control mode does it use?
It uses voltage-mode pulse-width modulation (PWM) control.
10. What are typical applications for this IC?
Typical applications include industrial automation, automotive electronics, and consumer electronics.
