Overview
The UC3825Q is a high-speed Pulse Width Modulation (PWM) controller manufactured by Texas Instruments. This IC is designed for current-mode and voltage-mode control applications, offering precise regulation and high efficiency in power management systems. The UC3825Q is widely used in automotive and industrial applications due to its robust performance and reliability. Its market positioning targets engineers and designers working on power supply designs, particularly those requiring high-speed switching and precise control. The UC3825Q stands out for its fast response time, low power consumption, and versatile functionality, making it a competitive choice in the PWM controller market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Package | 20-PLCC (9x9) | - | - |
| Switching Frequency | 27 | kHz | - |
| Supply Voltage | 6 to 15 | V | - |
| Supply Current | 1.5 | mA | - |
| Output Current | 3.5 | A | - |
| Operating Temperature | -40 to +105 | °C | - |
| PWM Type | Current/Voltage Mode | - | - |
Key Features
- High-speed PWM control for precise power regulation.
- Supports both current-mode and voltage-mode operations.
- Low power consumption with a supply current of 1.5 mA.
- Robust performance in automotive and industrial environments.
- Compact 20-PLCC package for space-constrained designs.
Applications
The UC3825Q is extensively used in automotive electronics for power supply control in vehicles, ensuring efficient energy management and reliability. In industrial applications, it is employed in motor control, inverters, and switching power supplies, where high-speed PWM control is critical. Its versatility also makes it suitable for consumer electronics, such as battery chargers and LED drivers, where precise voltage regulation is required.
Q & A
What is the operating voltage range of the UC3825Q?
The operating voltage range is 6 V to 15 V.
What is the maximum switching frequency of the UC3825Q?
The maximum switching frequency is 27 kHz.
Is the UC3825Q suitable for automotive applications?
Yes, it is designed for automotive-grade applications.
What is the package type of the UC3825Q?
It comes in a 20-PLCC (9x9) package.
Does the UC3825Q support current-mode control?
Yes, it supports both current-mode and voltage-mode control.
What is the typical supply current of the UC3825Q?
The typical supply current is 1.5 mA.
What is the maximum output current of the UC3825Q?
The maximum output current is 3.5 A.
Can the UC3825Q operate in high-temperature environments?
Yes, it can operate in temperatures ranging from -40°C to +105°C.
What are the key applications of the UC3825Q?
Key applications include automotive electronics, industrial motor control, and consumer electronics.
Is the UC3825Q available in surface-mount packaging?
Yes, it is available in a surface-mount 20-PLCC package.
