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UCC2808AQDR-2Q1
+StücklisteIC REG CTRLR PUSH-PULL 8SOIC
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HerstellerTexas Instruments
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Herstellerteil #UCC2808AQDR-2Q1
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Paket SOP-8
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Auf Lager3312
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| 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 |
Übersicht
Description
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
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
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
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
Application
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.