사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Push-Pull |
| Number of Outputs | 2 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 4.1V ~ 15V |
| Frequency - Switching | 194kHz |
| Duty Cycle(Max) | 49% |
| Synchronous Rectifier | No |
| Clock Sync | No |
| Control Features | Frequency Control |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
개요
Description
The UCC2808AQDR-2Q1 is a high-performance, automotive-grade integrated circuit designed for DC-DC conversion applications. It is part of Texas Instruments' UCC2808 series, specifically tailored for automotive environments. Key features include a wide input voltage range, high efficiency, and robust protection mechanisms, making it suitable for power supply applications in automotive systems.
The device is a high-speed, low-power, pulse-width modulation (PWM) controller that operates with a fixed frequency for precise control of power conversion. It features push-pull architecture, which is optimal for applications requiring efficient power management under varying load conditions. The UCC2808AQDR-2Q1 incorporates protection features such as over-current protection and under-voltage lockout to enhance system reliability and safety.
The chip is typically used in applications like battery management systems, engine control units, and other critical automotive electronics, where consistent and efficient power delivery is crucial. Its automotive qualification, indicated by the "Q1" suffix, ensures it meets stringent standards for temperature, reliability, and performance in automotive environments.
The device is a high-speed, low-power, pulse-width modulation (PWM) controller that operates with a fixed frequency for precise control of power conversion. It features push-pull architecture, which is optimal for applications requiring efficient power management under varying load conditions. The UCC2808AQDR-2Q1 incorporates protection features such as over-current protection and under-voltage lockout to enhance system reliability and safety.
The chip is typically used in applications like battery management systems, engine control units, and other critical automotive electronics, where consistent and efficient power delivery is crucial. Its automotive qualification, indicated by the "Q1" suffix, ensures it meets stringent standards for temperature, reliability, and performance in automotive environments.
Equivalent
The UCC2808AQDR-2Q1 is a BiCMOS push-pull PWM controller used in power supply applications. Equivalent products can include:
1. UCC2808-2: A similar product without the automotive qualification.
2. UC3825: A PWM controller with similar functionalities.
3. NCP1207: A PWM controller offering similar performance characteristics.
4. LM5021: Another alternative for general PWM control applications.
Note that exact equivalence depends on specific design requirements, so datasheet comparisons are recommended.
1. UCC2808-2: A similar product without the automotive qualification.
2. UC3825: A PWM controller with similar functionalities.
3. NCP1207: A PWM controller offering similar performance characteristics.
4. LM5021: Another alternative for general PWM control applications.
Note that exact equivalence depends on specific design requirements, so datasheet comparisons are recommended.
Features
The UCC2808AQDR-2Q1 is a high-performance, automotive-qualified, dual-output current-mode PWM controller designed for DC-DC converter applications. Key features include:
1. Wide Operating Temperature Range: The controller is suitable for automotive environments with an extended temperature range.
2. Internal Soft Start: Minimizes inrush current during startup for added reliability.
3. Fixed 100 kHz or 200 kHz Operating Frequency: Ensures predictable performance with low external component count.
4. Low Start-Up and Operating Currents: Offers high efficiency by minimizing power consumption.
5. Synchronization Capability: Allows multiple controllers to operate in unison, reducing interference.
6. Under-Voltage Lockout (UVLO): Protects the system by disabling outputs until the input voltage is at a sufficient level.
7. Current Mode Control: Provides improved performance over voltage mode control by offering faster response to load changes.
These features make the UCC2808AQDR-2Q1 suitable for use in robust automotive applications where efficiency, reliability, and temperature resilience are important.
1. Wide Operating Temperature Range: The controller is suitable for automotive environments with an extended temperature range.
2. Internal Soft Start: Minimizes inrush current during startup for added reliability.
3. Fixed 100 kHz or 200 kHz Operating Frequency: Ensures predictable performance with low external component count.
4. Low Start-Up and Operating Currents: Offers high efficiency by minimizing power consumption.
5. Synchronization Capability: Allows multiple controllers to operate in unison, reducing interference.
6. Under-Voltage Lockout (UVLO): Protects the system by disabling outputs until the input voltage is at a sufficient level.
7. Current Mode Control: Provides improved performance over voltage mode control by offering faster response to load changes.
These features make the UCC2808AQDR-2Q1 suitable for use in robust automotive applications where efficiency, reliability, and temperature resilience are important.
Pinout
The UCC2808AQDR-2Q1 is an automotive-qualified PWM controller from Texas Instruments, designed for use in DC-DC converters. It is part of the UCC2808 family. This device is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The main function of the UCC2808AQDR-2Q1 is to control power converters by providing pulse width modulation (PWM) signals necessary for regulating output voltage.
Key features include low start-up current, high-speed operation, and a wide temperature range, making it suitable for automotive and other demanding applications. The device supports various topologies such as boost, flyback, and forward converters. Its 8 pins include inputs for feedback, reference voltage, and control signals, as well as outputs for driving the power MOSFETs, allowing it to manage the conversion process efficiently.
Key features include low start-up current, high-speed operation, and a wide temperature range, making it suitable for automotive and other demanding applications. The device supports various topologies such as boost, flyback, and forward converters. Its 8 pins include inputs for feedback, reference voltage, and control signals, as well as outputs for driving the power MOSFETs, allowing it to manage the conversion process efficiently.
Manufacturer
The UCC2808AQDR-2Q1 is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components. They are known for their analog chips and embedded processors, which are used in various applications across industries, including automotive, industrial, consumer electronics, and communications. TI focuses on developing technologies that help drive advancements in a multitude of fields, providing components that improve power efficiency, performance, and overall device functionality.
Application
The UCC2808AQDR-2Q1 is a Texas Instruments Current-Mode PWM controller designed for DC-DC converters. It is primarily used in automotive applications due to its qualification under AEC-Q100 standards. Key application areas include:
1. Automotive power supplies
2. DC-DC converters for electric and hybrid vehicles
3. Battery management systems
4. Infotainment systems
5. LED lighting systems
These applications benefit from the controller's high-performance features, such as low start-up current, wide input voltage range, and high efficiency, making it suitable for rigorous automotive environments.
1. Automotive power supplies
2. DC-DC converters for electric and hybrid vehicles
3. Battery management systems
4. Infotainment systems
5. LED lighting systems
These applications benefit from the controller's high-performance features, such as low start-up current, wide input voltage range, and high efficiency, making it suitable for rigorous automotive environments.
Package
The UCC2808AQDR-2Q1 is typically available in a SOIC (Small Outline Integrated Circuit) package, specifically an 8-pin SOIC. This package is designed for surface mounting on printed circuit boards and is commonly used in automotive and industrial applications.
