Overview
The UCD3138064ARGCT is a highly integrated digital controller designed by Texas Instruments, specifically tailored for isolated power applications. This model, part of the UCD3138 series, is equipped with 64kB of program flash memory, making it a robust solution for advanced power management tasks. Marketed towards engineers and designers in the power electronics sector, the UCD3138064ARGCT stands out for its ability to update firmware without powering down, enhancing system reliability and uptime.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| DPWM resolution | 250 | ps | |
| Processor | 31.25MHz, 32-bit ARM7 | ||
| Frequency (Max) | 2000 | kHz | |
| Communications | 1 I2C, 1 PMBUS, 1 SPI, 1 UART, 2 UART GPIOs | ||
| Number of digital power peripheral feedback loops | 3 | ||
| Compensator | 2-pole/2-zero (PID hardware) | ||
| Package Group | VQFN|64, WQFN|40 | ||
| Non-volatile memory | 2kB (Data), 64kB (Program) | ||
| A/D channels | 14 | ||
| Operating temperature range | -40 to 125 | °C | |
| Number of outputs | 8 | ||
| Approx. price | 6.73 | US$ | 1ku |
| Analog comparators | 7 |
Key Features
- Supports firmware updates without powering down, ensuring continuous operation.
- Features 64kB of program flash memory, allowing for complex control algorithms.
- Includes multiple communication ports (I2C, PMBUS, SPI, UART) for versatile connectivity.
- High DPWM resolution of 250ps for precise power control.
- Robust ARM7 processor capable of handling demanding applications.
Applications
The UCD3138064ARGCT is extensively used in power management systems, particularly in isolated power supplies. Its advanced features make it suitable for high-efficiency power converters, renewable energy systems, and industrial power supplies. The controller's ability to handle multiple feedback loops and its high-resolution DPWM make it ideal for applications requiring precise voltage and current control, such as in telecommunications and data center power systems.
Q & A
1. What is the main function of the UCD3138064ARGCT?
The UCD3138064ARGCT is primarily used as a digital controller in isolated power supply systems, managing power conversion with high efficiency and precision.
2. Can the firmware be updated without shutting down the system?
Yes, the UCD3138064ARGCT supports in-system firmware updates, allowing for continuous operation during updates.
3. What type of processor does the UCD3138064ARGCT use?
It utilizes a 32-bit ARM7 processor running at 31.25MHz.
4. What are the communication capabilities of this controller?
It includes multiple communication interfaces: I2C, PMBUS, SPI, and UART, providing versatile connectivity options.
5. What is the DPWM resolution of the UCD3138064ARGCT?
The DPWM resolution is 250 picoseconds, offering precise control over power switching.
6. What is the operating temperature range for this component?
The UCD3138064ARGCT operates within a temperature range of -40°C to 125°C.
7. How much program flash memory does it have?
It is equipped with 64kB of program flash memory.
8. What are the typical applications for the UCD3138064ARGCT?
Typical applications include high-efficiency power converters, renewable energy systems, and industrial power supplies.
9. How many digital power peripheral feedback loops does it support?
It supports three digital power peripheral feedback loops.
10. What is the approximate price of the UCD3138064ARGCT?
The approximate price is $6.73 per unit in quantities of 1,000.
