Overview
The TPS53355DQPR from Texas Instruments is a high-efficiency, 1.5-V to 15-V, 30-A synchronous SWIFT™ buck converter designed with eco-mode. This device is part of the SWIFT™ power product family and is known for its ease of use, low external component count, and space-conscious design. It incorporates integrated MOSFETs, a boost switch, and various protection mechanisms, making it suitable for a wide range of power management applications.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 1.5 V to 15 V |
| VDD Input Voltage Range | 4.5 V to 25 V |
| Output Voltage Range | 0.6 V to 5.5 V |
| Continuous Output Current | 30 A |
| Switching Frequency | Selectable from 250 kHz to 1 MHz |
| Efficiency | Up to 96% |
| Package Type | 22-pin QFN with PowerPAD™ |
| Soft Start Time | Selectable: 0.7 ms, 1.4 ms, 2.8 ms, 5.6 ms |
| Protection Features | Overvoltage, undervoltage, UVLO, overtemperature protection |
| Shutdown Current | < 10 µA |
Key Features
- Integrated 5-mΩ/2-mΩ MOSFETs with NexFET™ power block technology
- Auto-skip Eco-mode™ for light-load efficiency
- D-CAP™ mode control for fast transient response
- Precharged start-up capability and integrated boost switch
- Adjustable overcurrent limit with thermal compensation
- Open-drain power-good indication
- Supports all ceramic output capacitors
- Selectable switching frequency and auto-skip or PWM-only operation
- Accurate 1% 0.6-V reference voltage
Applications
The TPS53355DQPR is suitable for various high-power density applications, including but not limited to:
- Server and data center power supplies
- Telecom and networking equipment
- Industrial power systems
- High-performance computing and storage systems
- Automotive and aerospace power management systems
Q & A
- What is the input voltage range of the TPS53355DQPR?
The input voltage range is from 1.5 V to 15 V. - What is the maximum continuous output current of the TPS53355DQPR?
The maximum continuous output current is 30 A. - What are the selectable soft start times for the TPS53355DQPR?
The selectable soft start times are 0.7 ms, 1.4 ms, 2.8 ms, and 5.6 ms. - Does the TPS53355DQPR support ceramic output capacitors?
Yes, it supports all ceramic output capacitors. - What is the efficiency of the TPS53355DQPR?
The efficiency can be up to 96%. - What protection features does the TPS53355DQPR have?
The device includes overvoltage, undervoltage, UVLO, and overtemperature protection. - What is the package type of the TPS53355DQPR?
The package type is a 22-pin QFN with PowerPAD™. - Can the switching frequency of the TPS53355DQPR be adjusted?
Yes, the switching frequency is selectable from 250 kHz to 1 MHz using an external resistor. - Does the TPS53355DQPR have an integrated boost switch?
Yes, it has an integrated boost switch. - What is the shutdown current of the TPS53355DQPR?
The shutdown current is less than 10 µA.
