Overview
The TPSM53604RDAR from Texas Instruments is a highly integrated 4-A power module designed for a wide range of applications. This device combines a 36-V input, step-down DC/DC converter with power MOSFETs, a shielded inductor, and passives in a thermally-enhanced QFN package. The 5-mm x 5.5-mm x 4-mm Enhanced HotRod QFN package offers excellent thermal performance, low EMI, and a small footprint, making it ideal for space-constrained designs. The module requires as few as four external components and eliminates the need for loop compensation and magnetics part selection, simplifying the design process.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 3.8 to 36 | V |
| Output Voltage Range | 1 to 7 | V |
| Output Current | Up to 4 | A |
| Efficiency | Up to 95% | % |
| Switching Frequency | Approximately 1.4 MHz | MHz |
| Operating IC Junction Range | –40°C to +125°C | °C |
| Operating Ambient Range | –40°C to +105°C | °C |
| Thermal Shutdown Temperature | 165°C | °C |
| Package Type | Enhanced HotRod QFN (15 pins) | |
| Package Size | 5-mm x 5.5-mm x 4-mm |
Key Features
- Functional Safety-Capable: Documentation available to aid functional safety system design.
- Compact Package: 5-mm x 5.5-mm x 4-mm Enhanced HotRod QFN package, industry’s smallest 36-V, 4-A footprint.
- Low EMI: Meets CISPR11 radiated emissions standards.
- Excellent Thermal Performance: Up to 20 W output power at 85°C with no airflow.
- Standard Footprint: Single large thermal pad and all pins accessible from the perimeter.
- Power-Good Flag: Indicates when the output is within its nominal voltage range.
- Precision Enable: Allows for precise control over the enable function.
- Protection Features: Built-in hiccup-mode short-circuit protection, over-temperature protection, start-up into pre-bias output, soft start, and UVLO.
- Pin Compatibility: Compatible with 3-A TPSM53603 and 2-A TPSM53602.
- Design Tools: Create custom designs using the WEBENCH Power Designer and download EVM Design Files for fast board design.
Applications
- General Purpose Wide VIN Power Supplies: Suitable for various power supply needs.
- Factory Automation and Control: Used in industrial automation systems.
- Test and Measurement: Ideal for test and measurement equipment.
- Aerospace and Defense: Meets the stringent requirements of aerospace and defense applications.
- Negative Output Voltage Applications: Can be used in applications requiring negative output voltages.
Q & A
- What is the input voltage range of the TPSM53604?
The input voltage range is from 3.8 V to 36 V.
- What is the output voltage range of the TPSM53604?
The output voltage range is from 1 V to 7 V.
- What is the maximum output current of the TPSM53604?
The maximum output current is up to 4 A.
- What is the efficiency of the TPSM53604?
The efficiency can be up to 95%.
- What are the key protection features of the TPSM53604?
The device includes hiccup-mode short-circuit protection, over-temperature protection, start-up into pre-bias output, soft start, and UVLO.
- What is the operating temperature range of the TPSM53604?
The operating IC junction range is –40°C to +125°C, and the operating ambient range is –40°C to +105°C.
- What package type and size does the TPSM53604 use?
The device uses an Enhanced HotRod QFN package with dimensions of 5-mm x 5.5-mm x 4-mm.
- Is the TPSM53604 compatible with other Texas Instruments power modules?
Yes, it is pin compatible with the 3-A TPSM53603 and 2-A TPSM53602.
- What design tools are available for the TPSM53604?
You can create custom designs using the WEBENCH Power Designer and download EVM Design Files for fast board design.
- Does the TPSM53604 meet any specific standards for EMI and thermal performance?
Yes, it meets CISPR11 radiated emissions standards and offers excellent thermal performance up to 20 W output power at 85°C with no airflow.
