Overview
The UC3625Q, produced by Unitrode (now part of Texas Instruments), is a versatile and high-performance motor controller designed specifically for driving brushless DC motors. This integrated circuit integrates most of the functions required for high-performance brushless DC motor control into one package. It is part of Unitrode's motor control family and is engineered to provide reliable and precise control for a wide range of motor applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Supply Voltage | 10 | - | 18 | V |
| Supply Current | 14.5 | 30.0 | - | mA |
| Operating Temperature | 0 | - | 70 | °C |
| Package/Case | - | - | PLCC-28 | - |
| Mounting Style | - | - | SMD/SMT | - |
| Oscillator Frequency | 35 | 50 | 65 | kHz |
| Reference Output Voltage | 4.7 | 5.0 | 5.3 | V |
| High-Side Driver Output Voltage | 0.1 | - | 1.8 | V (at 50 mA) |
Key Features
- Drives Power MOSFETs or Power Darlingtons directly.
- 50V Open Collector High-Side Drivers.
- Latched Soft Start.
- High-speed Current-Sense Amplifier with Ideal Diode.
- Pulse-by-Pulse and Average Current Sensing.
- Over-Voltage and Under-Voltage Protection.
- Direction Latch for Safe Direction Reversal.
- Tachometer.
- Trimmed Reference Sources.
- Programmable Cross-Conduction Protection.
- Two-Quadrant and Four-Quadrant Operation.
Applications
The UC3625Q is ideal for various applications that require precise motor control, including high-power applications in robotics, machinery, and other industrial environments. It is commonly used in systems that demand reliable and efficient brushless DC motor control, such as in automotive, aerospace, and industrial automation.
Q & A
- What is the UC3625Q used for?
The UC3625Q is used for controlling and managing brushless DC motors, providing precise and efficient motor control. - What is the operating supply voltage range of the UC3625Q?
The operating supply voltage range is from 10 V to 18 V. - What type of drivers does the UC3625Q support?
The UC3625Q supports driving Power MOSFETs or Power Darlingtons directly. - What are the key protection features of the UC3625Q?
The key protection features include Over-Voltage and Under-Voltage Protection, and programmable Cross-Conduction Protection. - What is the typical operating temperature range of the UC3625Q?
The typical operating temperature range is from 0°C to 70°C. - What package type is the UC3625Q available in?
The UC3625Q is available in a PLCC-28 package. - Does the UC3625Q support current sensing?
Yes, it supports both pulse-by-pulse and average current sensing. - What is the oscillator frequency range of the UC3625Q?
The oscillator frequency range is from 35 kHz to 65 kHz. - Is the UC3625Q suitable for high-frequency applications?
Yes, it is suitable for high-frequency applications and can operate with fast recovery diodes and other high-frequency components. - What are the typical applications of the UC3625Q?
The UC3625Q is typically used in robotics, machinery, and other industrial environments where precise motor control is required.
