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ISL97682IRTZ-TR5509
Product Overview
Category: Integrated Circuit (IC)
Use: LED Driver
Characteristics: - High efficiency - Wide input voltage range - Dimming control - Over-temperature protection - Short-circuit protection
Package: QFN (Quad Flat No-leads)
Essence: The ISL97682IRTZ-TR5509 is a high-efficiency LED driver IC designed for driving multiple LEDs in series. It provides a constant current output, making it suitable for various lighting applications.
Packaging/Quantity: The ISL97682IRTZ-TR5509 is available in a QFN package and is typically sold in reels of 2500 units.
Specifications
- Input Voltage Range: 4.5V to 40V
- Output Current Range: Up to 1.2A
- Dimming Control: PWM (Pulse Width Modulation)
- Operating Temperature Range: -40°C to +85°C
- Efficiency: Up to 95%
- Protection Features: Over-temperature, short-circuit
Pin Configuration
The ISL97682IRTZ-TR5509 has a total of 16 pins. The pin configuration is as follows:
Pin 1: VIN
Pin 2: GND
Pin 3: VOUT
Pin 4: DIM
Pin 5: EN
Pin 6: FB
Pin 7: NC
Pin 8: NC
Pin 9: NC
Pin 10: NC
Pin 11: NC
Pin 12: NC
Pin 13: NC
Pin 14: NC
Pin 15: NC
Pin 16: NC
Functional Features
- Constant current output for driving LEDs
- Wide input voltage range allows for flexibility in power supply selection
- Dimming control through PWM signal
- Over-temperature protection ensures safe operation
- Short-circuit protection prevents damage to the IC and LEDs
Advantages and Disadvantages
Advantages: - High efficiency results in lower power consumption - Wide input voltage range allows for compatibility with various power sources - Dimming control enables brightness adjustment - Protection features enhance reliability and safety
Disadvantages: - Limited output current range may not be suitable for high-power LED applications - QFN package may require specialized soldering techniques
Working Principles
The ISL97682IRTZ-TR5509 operates by converting the input voltage to a constant current output, which is used to drive the connected LEDs. The dimming control feature allows for adjusting the brightness of the LEDs by modulating the duty cycle of the PWM signal. The IC also incorporates protection mechanisms such as over-temperature and short-circuit protection to ensure safe operation.
Detailed Application Field Plans
The ISL97682IRTZ-TR5509 is commonly used in various lighting applications, including: - LED backlighting for LCD displays - Automotive lighting systems - General illumination - Architectural lighting - Signage and advertising displays
Detailed and Complete Alternative Models
Some alternative models that can be considered as alternatives to the ISL97682IRTZ-TR5509 are: - LT3763 - LM3409 - TPS92550
These models offer similar functionality and can be used as replacements depending on specific requirements and design considerations.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng ISL97682IRTZ-TR5509 trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of ISL97682IRTZ-TR5509 in technical solutions:
Q: What is ISL97682IRTZ-TR5509? A: ISL97682IRTZ-TR5509 is a specific model of LED driver IC designed for driving LEDs in various lighting applications.
Q: What is the input voltage range supported by ISL97682IRTZ-TR5509? A: The input voltage range supported by ISL97682IRTZ-TR5509 is typically between 4.5V and 16V.
Q: How many channels does ISL97682IRTZ-TR5509 support? A: ISL97682IRTZ-TR5509 supports up to 6 channels, allowing you to control multiple LEDs independently.
Q: Can ISL97682IRTZ-TR5509 be used for dimming LEDs? A: Yes, ISL97682IRTZ-TR5509 provides PWM dimming control for each channel, allowing you to adjust the brightness of the connected LEDs.
Q: What is the maximum current output per channel of ISL97682IRTZ-TR5509? A: The maximum current output per channel of ISL97682IRTZ-TR5509 is typically 30mA.
Q: Is ISL97682IRTZ-TR5509 compatible with both analog and digital dimming methods? A: Yes, ISL97682IRTZ-TR5509 supports both analog and digital dimming methods, providing flexibility in controlling the LEDs.
Q: Can ISL97682IRTZ-TR5509 handle thermal protection? A: Yes, ISL97682IRTZ-TR5509 incorporates thermal protection features to prevent overheating and ensure safe operation.
Q: What is the operating temperature range of ISL97682IRTZ-TR5509? A: The operating temperature range of ISL97682IRTZ-TR5509 is typically between -40°C and +85°C.
Q: Does ISL97682IRTZ-TR5509 require any external components for operation? A: Yes, ISL97682IRTZ-TR5509 requires external capacitors and resistors for proper operation and LED current control.
Q: Can ISL97682IRTZ-TR5509 be used in automotive lighting applications? A: Yes, ISL97682IRTZ-TR5509 is suitable for automotive lighting applications as it meets the necessary requirements and standards.
Please note that the specific details and specifications may vary, so it's always recommended to refer to the datasheet or consult with the manufacturer for accurate information.