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IS31BL3556-ZLS4
Product Overview
Category
IS31BL3556-ZLS4 belongs to the category of integrated circuits (ICs).
Use
This product is primarily used for driving LED backlighting in LCD displays.
Characteristics
- High efficiency and low power consumption
- Wide input voltage range
- Adjustable output current
- Dimming control options
- Over-temperature protection
- Short-circuit protection
Package
IS31BL3556-ZLS4 is available in a small outline package (SOP) with 16 pins.
Essence
The essence of IS31BL3556-ZLS4 lies in its ability to efficiently drive LED backlighting, providing optimal brightness and power management for LCD displays.
Packaging/Quantity
This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.
Specifications
- Input Voltage Range: 2.7V to 5.5V
- Output Current Range: 10mA to 100mA
- Dimming Control: PWM or DC voltage control
- Operating Temperature Range: -40°C to +85°C
- Package Type: SOP-16
Detailed Pin Configuration
- VDD: Power supply input
- GND: Ground connection
- EN: Enable pin for turning on/off the device
- DIM: Dimming control input
- FB: Feedback pin for regulating output current
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
Functional Features
- High-efficiency LED driver
- Wide input voltage range for versatile applications
- Adjustable output current for brightness control
- Dimming control options for flexible backlight adjustment
- Over-temperature protection to prevent damage
- Short-circuit protection for enhanced safety
Advantages and Disadvantages
Advantages
- Efficient power management
- Versatile input voltage range
- Flexible dimming control options
- Reliable over-temperature and short-circuit protection
Disadvantages
- Limited pin configuration options
- No integrated fault detection mechanism
Working Principles
IS31BL3556-ZLS4 operates by converting the input voltage into a regulated output current suitable for driving LED backlighting. The device incorporates a feedback mechanism to maintain the desired output current level. It also provides dimming control options, allowing users to adjust the brightness of the LED backlight.
Detailed Application Field Plans
IS31BL3556-ZLS4 finds extensive application in various electronic devices that utilize LCD displays with LED backlighting. Some common application fields include: - Smartphones and tablets - Televisions and monitors - Automotive infotainment systems - Industrial control panels - Portable gaming devices
Detailed and Complete Alternative Models
- IS31BL3558-ZLS4: Similar to IS31BL3556-ZLS4 but with additional fault detection features.
- IS31BL3554-ZLS4: Lower-cost alternative with reduced functionality.
- IS31BL3557-ZLS4: Higher-output current variant for demanding applications.
(Note: These alternative models are provided for reference purposes and may have different specifications and characteristics.)
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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi IS31BL3556-ZLS4 dalam penyelesaian teknikal
Sure! Here are 10 common questions and answers related to the application of IS31BL3556-ZLS4 in technical solutions:
Q: What is IS31BL3556-ZLS4? A: IS31BL3556-ZLS4 is a LED driver IC designed for driving LEDs in backlighting applications, such as LCD displays.
Q: What is the input voltage range supported by IS31BL3556-ZLS4? A: The input voltage range supported by IS31BL3556-ZLS4 is typically between 2.7V and 5.5V.
Q: How many LEDs can be driven by IS31BL3556-ZLS4? A: IS31BL3556-ZLS4 can drive up to 56 LEDs in series or parallel configuration.
Q: Can IS31BL3556-ZLS4 support dimming functionality? A: Yes, IS31BL3556-ZLS4 supports PWM (Pulse Width Modulation) dimming control for adjusting the brightness of the LEDs.
Q: What is the maximum current that IS31BL3556-ZLS4 can deliver to the LEDs? A: IS31BL3556-ZLS4 can deliver a maximum current of 30mA to each LED.
Q: Does IS31BL3556-ZLS4 have built-in thermal protection? A: Yes, IS31BL3556-ZLS4 has built-in thermal protection to prevent overheating.
Q: Can IS31BL3556-ZLS4 operate in both constant current and constant voltage modes? A: No, IS31BL3556-ZLS4 operates only in constant current mode.
Q: Is there any external component required for driving LEDs with IS31BL3556-ZLS4? A: Yes, an external resistor is required to set the desired LED current.
Q: What is the typical efficiency of IS31BL3556-ZLS4? A: The typical efficiency of IS31BL3556-ZLS4 is around 90%.
Q: Can IS31BL3556-ZLS4 be used in automotive applications? A: Yes, IS31BL3556-ZLS4 is suitable for automotive applications as it can operate over a wide temperature range and has ESD protection.
Please note that these answers are general and may vary depending on the specific implementation and datasheet of IS31BL3556-ZLS4.