ON Semiconductor
Bild kan vara representation.
Se specifikationer för produktinformation.
NCP5603MNR2
Visa detalj Datablad

NCP5603MNR2

Product Overview

Category

NCP5603MNR2 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for driving light-emitting diodes (LEDs) in various applications.

Characteristics

  • High efficiency LED driver
  • Wide input voltage range
  • Adjustable output current
  • Dimming control capability
  • Over-temperature protection
  • Short-circuit protection

Package

The NCP5603MNR2 is available in a small outline no-lead (SON) package.

Essence

The essence of NCP5603MNR2 lies in its ability to efficiently drive LEDs while providing flexibility in terms of dimming control and protection features.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 3000 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 40V
  • Output Current Range: 10mA to 150mA
  • Dimming Control: PWM or DC voltage control
  • Operating Temperature Range: -40°C to +125°C
  • Efficiency: Up to 95%
  • Package Type: SON-8

Detailed Pin Configuration

  1. VIN: Input voltage
  2. GND: Ground
  3. DIM: Dimming control input
  4. EN: Enable pin
  5. FB: Feedback pin
  6. VOUT: Output voltage
  7. NC: No connection
  8. NC: No connection

Functional Features

  • Wide input voltage range allows for versatile applications
  • Adjustable output current enables precise LED brightness control
  • Dimming control input facilitates easy integration with existing systems
  • Over-temperature protection ensures safe operation under high temperature conditions
  • Short-circuit protection safeguards the LED driver and connected components

Advantages and Disadvantages

Advantages

  • High efficiency operation leads to energy savings
  • Wide input voltage range allows for compatibility with various power sources
  • Adjustable output current enables customization of LED brightness
  • Dimming control capability provides flexibility in lighting applications
  • Protection features enhance reliability and longevity of the product

Disadvantages

  • Limited output current range may not be suitable for high-power LED applications
  • Package size may limit its use in space-constrained designs

Working Principles

The NCP5603MNR2 is a constant current LED driver that regulates the current flowing through the connected LEDs. It utilizes a buck converter topology to efficiently step down the input voltage to the desired level while maintaining a constant current output. The dimming control input allows for adjusting the LED brightness by modulating the duty cycle of the internal pulse-width modulation (PWM) circuit. The protection features, such as over-temperature and short-circuit protection, ensure safe operation and prevent damage to the LEDs and the driver itself.

Detailed Application Field Plans

The NCP5603MNR2 can be applied in various fields, including:

  1. Automotive lighting: Used for driving LEDs in headlights, taillights, and interior lighting systems.
  2. Display backlighting: Provides efficient and adjustable current drive for LED backlights in LCD panels.
  3. General lighting: Suitable for LED-based lighting fixtures in residential, commercial, and industrial settings.
  4. Portable devices: Enables LED illumination in portable electronics like smartphones, tablets, and wearable devices.

Detailed and Complete Alternative Models

  1. NCP5603MNRTBG: Similar to NCP5603MNR2 but available in a different package (SON-10).
  2. NCP5603MNRTAG: Offers additional fault detection and reporting features compared to NCP5603MNR2.
  3. NCP5603MNRTCKG: Designed for automotive applications with enhanced EMI performance.

These alternative models provide similar functionality and can be considered as substitutes for the NCP5603MNR2 in specific applications.

Word count: 581 words

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av NCP5603MNR2 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of NCP5603MNR2 in technical solutions:

  1. Q: What is NCP5603MNR2? A: NCP5603MNR2 is a voltage-mode PWM controller IC used for driving LED lighting applications.

  2. Q: What is the input voltage range supported by NCP5603MNR2? A: The input voltage range supported by NCP5603MNR2 is typically between 4.5V and 40V.

  3. Q: Can NCP5603MNR2 be used for dimming LED lights? A: Yes, NCP5603MNR2 supports LED dimming through its PWM control input.

  4. Q: What is the maximum output current that NCP5603MNR2 can handle? A: NCP5603MNR2 can handle a maximum output current of up to 1A.

  5. Q: Does NCP5603MNR2 have built-in over-temperature protection? A: Yes, NCP5603MNR2 has built-in over-temperature protection to prevent damage during high-temperature conditions.

  6. Q: Can NCP5603MNR2 operate in a wide temperature range? A: Yes, NCP5603MNR2 is designed to operate in a wide temperature range, typically from -40°C to +125°C.

  7. Q: Is NCP5603MNR2 suitable for automotive lighting applications? A: Yes, NCP5603MNR2 is specifically designed for automotive lighting applications and meets the necessary requirements.

  8. Q: Does NCP5603MNR2 require an external MOSFET for LED driving? A: Yes, NCP5603MNR2 requires an external MOSFET to drive the LED load.

  9. Q: Can NCP5603MNR2 support both buck and boost LED driving configurations? A: No, NCP5603MNR2 is specifically designed for buck (step-down) LED driving configurations.

  10. Q: What are the typical applications of NCP5603MNR2? A: NCP5603MNR2 is commonly used in automotive lighting, interior lighting, and general LED lighting applications.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.