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UCC2805QDRQ1
+StücklisteIC REG CTRLR MULT TOPOLOGY 8SOIC
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HerstellerTexas Instruments
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Herstellerteil #UCC2805QDRQ1
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Auf Lager3468
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Spezifikationen
| Attribut | Wert |
| Part Status | Active |
| Base Product Number | UCC2805 |
| Applications | PWM Controller |
| Voltage - Input | -0.3V ~ 6.3V |
| Voltage - Supply | 3.6V ~ 11V |
| Current - Supply | 500 µA |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
| Grade | Automotive |
| Qualification | AEC-Q100 |
Übersicht
Description
The UCC2805QDRQ1 is a highly efficient pulse-width modulation (PWM) controller designed by Texas Instruments, primarily used for DC-DC converters and power management applications. It is part of the UCC280x family and is particularly tailored for automotive and industrial applications, offering robust performance in harsh environments.
Key features include:
- Wide Input Voltage Range: It supports operation across a broad voltage range, making it versatile for various power supply designs.
- Current-Mode Control: Provides superior regulation and response characteristics, improving overall power supply performance.
- Programmable Oscillator: Allows for flexible frequency settings, which aids in optimizing efficiency and minimizing electromagnetic interference (EMI).
- Low Startup and Operating Current: Ensures reduced power consumption and better efficiency.
- Protection Features: Built-in under-voltage lockout (UVLO), overcurrent protection, and thermal shutdown enhance reliability and protect the system from damage.
Its compact size and high level of integration make it suitable for compact power supply designs where space is a premium, such as in automotive and industrial systems.
Key features include:
- Wide Input Voltage Range: It supports operation across a broad voltage range, making it versatile for various power supply designs.
- Current-Mode Control: Provides superior regulation and response characteristics, improving overall power supply performance.
- Programmable Oscillator: Allows for flexible frequency settings, which aids in optimizing efficiency and minimizing electromagnetic interference (EMI).
- Low Startup and Operating Current: Ensures reduced power consumption and better efficiency.
- Protection Features: Built-in under-voltage lockout (UVLO), overcurrent protection, and thermal shutdown enhance reliability and protect the system from damage.
Its compact size and high level of integration make it suitable for compact power supply designs where space is a premium, such as in automotive and industrial systems.
Equivalent
The UCC2805QDRQ1 is a PWM controller used in power supply applications. Equivalent products typically include similar PWM controllers from various manufacturers. Some alternatives are:
1. UC3842 series (e.g., UC3842AN)
2. TL494
3. NCP1200 series
4. FAN7554
5. LM5020
These alternatives can vary in features, so it's important to check each product's datasheet to ensure compatibility with your specific application requirements.
1. UC3842 series (e.g., UC3842AN)
2. TL494
3. NCP1200 series
4. FAN7554
5. LM5020
These alternatives can vary in features, so it's important to check each product's datasheet to ensure compatibility with your specific application requirements.
Features
The UCC2805QDRQ1 is a high-performance current-mode PWM controller designed for DC-DC converters. Key features include:
1. Wide Input Voltage Range: Supports a broad input range, making it versatile for various applications.
2. High-Frequency Operation: Capable of operating at high frequencies up to 1 MHz, allowing for smaller and more efficient designs.
3. Low Start-Up Current: Offers low start-up current to minimize power consumption during power-up.
4. Frequency Modulation: Incorporates a frequency modulation feature for reduced EMI.
5. Current Sensing and Limiting: Built-in current sensing and limiting for enhanced protection and stability.
6. Undervoltage Lockout (UVLO): Protects the circuit by ensuring the device only operates at safe voltage levels.
7. Output Short-Circuit Protection: Provides protection against output short circuits to enhance reliability.
8. Temperature Compensation: Features temperature-compensated reference for consistent performance across temperature variations.
9. Automotive-Grade: Qualified for automotive applications, ensuring robust and reliable operation in demanding environments.
These features make the UCC2805QDRQ1 suitable for applications requiring efficient, reliable, and compact power conversion solutions.
1. Wide Input Voltage Range: Supports a broad input range, making it versatile for various applications.
2. High-Frequency Operation: Capable of operating at high frequencies up to 1 MHz, allowing for smaller and more efficient designs.
3. Low Start-Up Current: Offers low start-up current to minimize power consumption during power-up.
4. Frequency Modulation: Incorporates a frequency modulation feature for reduced EMI.
5. Current Sensing and Limiting: Built-in current sensing and limiting for enhanced protection and stability.
6. Undervoltage Lockout (UVLO): Protects the circuit by ensuring the device only operates at safe voltage levels.
7. Output Short-Circuit Protection: Provides protection against output short circuits to enhance reliability.
8. Temperature Compensation: Features temperature-compensated reference for consistent performance across temperature variations.
9. Automotive-Grade: Qualified for automotive applications, ensuring robust and reliable operation in demanding environments.
These features make the UCC2805QDRQ1 suitable for applications requiring efficient, reliable, and compact power conversion solutions.
Pinout
The UCC2805QDRQ1 is a low-power, current-mode PWM controller. It typically comes in an 8-pin SOIC package. Here is a brief overview of its pin functions:
1. COMP (Pin 1): Compensation. This pin is used for frequency compensation and loop stabilization.
2. FB (Pin 2): Feedback. It receives the voltage feedback from the output.
3. CS (Pin 3): Current Sense. This pin monitors the current flowing through the power switch.
4. RT/CT (Pin 4): Timing Resistor/Capacitor. Used to set the oscillator frequency.
5. GND (Pin 5): Ground. Reference point for the IC.
6. OUTPUT (Pin 6): Output. Drives the gate of the power MOSFET.
7. VCC (Pin 7): Supply Voltage. Power supply input to the controller.
8. VREF (Pin 8): Voltage Reference. Provides a reference voltage for internal circuitry.
These pins together enable the UCC2805QDRQ1 to control and stabilize power supply outputs effectively in various applications.
1. COMP (Pin 1): Compensation. This pin is used for frequency compensation and loop stabilization.
2. FB (Pin 2): Feedback. It receives the voltage feedback from the output.
3. CS (Pin 3): Current Sense. This pin monitors the current flowing through the power switch.
4. RT/CT (Pin 4): Timing Resistor/Capacitor. Used to set the oscillator frequency.
5. GND (Pin 5): Ground. Reference point for the IC.
6. OUTPUT (Pin 6): Output. Drives the gate of the power MOSFET.
7. VCC (Pin 7): Supply Voltage. Power supply input to the controller.
8. VREF (Pin 8): Voltage Reference. Provides a reference voltage for internal circuitry.
These pins together enable the UCC2805QDRQ1 to control and stabilize power supply outputs effectively in various applications.
Manufacturer
The UCC2805QDRQ1 is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs, manufactures, and sells a wide range of semiconductor products. These products include analog chips, embedded processors, and digital light processing (DLP) technology. TI products are used in various applications across industries such as automotive, industrial, consumer electronics, communications, and computing. The company is well-known for its innovation in chip technology and has a significant focus on research and development to drive advancements in electronics.
Application
The UCC2805QDRQ1 is a high-performance pulse-width modulation (PWM) controller designed for DC-DC converters. It is commonly used in automotive applications due to its AEC-Q100 qualification, ensuring reliability under harsh conditions. Specific application areas include power supplies for automotive electronics, DC-DC step-down converters, LED drivers, and battery management systems. Its compact size and efficient design make it suitable for space-constrained environments where reliable and efficient power conversion is needed.
Package
The UCC2805QDRQ1 is a low-power current-mode PWM controller typically used in automotive applications. It is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package, which is compact and suitable for surface mounting, making it ideal for space-constrained designs.
