STMicroelectronics
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STLED316SMTR
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STLED316SMTR

Basic Information Overview

  • Category: LED Driver IC
  • Use: This product is used to drive and control LEDs in various applications.
  • Characteristics:
    • Small form factor
    • High efficiency
    • Low power consumption
    • Wide input voltage range
  • Package: Surface Mount Technology (SMT)
  • Essence: STLED316SMTR is an integrated circuit designed specifically for LED driving applications.
  • Packaging/Quantity: Available in reels, with a standard quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Current Range: Up to 30mA per channel
  • Number of Channels: 16
  • Communication Interface: I2C
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The STLED316SMTR package consists of 20 pins, which are assigned as follows:

  1. VDD: Power supply voltage
  2. GND: Ground
  3. SDA: I2C data line
  4. SCL: I2C clock line
  5. OUT1: LED output channel 1
  6. OUT2: LED output channel 2
  7. OUT3: LED output channel 3
  8. OUT4: LED output channel 4
  9. OUT5: LED output channel 5
  10. OUT6: LED output channel 6
  11. OUT7: LED output channel 7
  12. OUT8: LED output channel 8
  13. OUT9: LED output channel 9
  14. OUT10: LED output channel 10
  15. OUT11: LED output channel 11
  16. OUT12: LED output channel 12
  17. OUT13: LED output channel 13
  18. OUT14: LED output channel 14
  19. OUT15: LED output channel 15
  20. OUT16: LED output channel 16

Functional Features

  • Individual control of each LED channel
  • Programmable current levels for precise brightness control
  • Integrated power-saving features to optimize efficiency
  • I2C interface for easy communication and configuration
  • Built-in protection features to ensure safe operation

Advantages and Disadvantages

Advantages: - Compact size allows for space-saving designs - High efficiency results in lower power consumption - Wide input voltage range enables compatibility with various power sources - Precise brightness control enhances visual experience

Disadvantages: - Limited number of channels may not be suitable for applications requiring a higher number of LEDs - Requires external components for proper operation, increasing overall system complexity

Working Principles

The STLED316SMTR operates by receiving commands and data through the I2C interface. It then processes this information to control the current flowing through each LED channel. By adjusting the current levels, the IC regulates the brightness of the connected LEDs.

Detailed Application Field Plans

The STLED316SMTR is widely used in various applications, including: - Automotive lighting systems - Backlighting for LCD displays - Signage and advertising displays - Decorative lighting - Portable electronic devices

Detailed and Complete Alternative Models

  • STLED316SMTX: Similar to STLED316SMTR but available in a different package (through-hole instead of surface mount)
  • STLED316SMQR: Enhanced version with additional features such as fault detection and diagnostics
  • STLED316SMCR: Compact variant with reduced pin count, suitable for space-constrained designs

Note: This is not an exhaustive list, and there may be other alternative models available from different manufacturers.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של STLED316SMTR בפתרונות טכניים

Sure! Here are 10 common questions and answers related to the application of STLED316SMTR in technical solutions:

  1. Q: What is STLED316SMTR? A: STLED316SMTR is a surface-mount LED driver IC designed for driving up to 16 LEDs in dot matrix or bar graph displays.

  2. Q: What is the maximum current that STLED316SMTR can drive? A: STLED316SMTR can drive a maximum current of 20mA per LED.

  3. Q: Can STLED316SMTR be used with both common anode and common cathode displays? A: Yes, STLED316SMTR can be used with both common anode and common cathode displays.

  4. Q: How many display segments can STLED316SMTR control? A: STLED316SMTR can control up to 16 display segments.

  5. Q: Does STLED316SMTR have built-in brightness control? A: Yes, STLED316SMTR has a built-in 8-bit PWM brightness control for each LED segment.

  6. Q: Can STLED316SMTR operate at different supply voltages? A: Yes, STLED316SMTR can operate at supply voltages ranging from 2.7V to 5.5V.

  7. Q: Is STLED316SMTR compatible with I2C communication protocol? A: No, STLED316SMTR uses a simple serial interface for communication, not I2C.

  8. Q: Can STLED316SMTR be cascaded to control more than 16 display segments? A: Yes, multiple STLED316SMTR ICs can be cascaded together to control more than 16 display segments.

  9. Q: Does STLED316SMTR have any built-in display patterns or fonts? A: No, STLED316SMTR does not have any built-in display patterns or fonts. It is a driver IC and requires an external microcontroller to control the display.

  10. Q: What are some typical applications of STLED316SMTR? A: STLED316SMTR is commonly used in applications such as digital panel meters, industrial control panels, consumer electronics, and automotive displays.

I hope this helps! Let me know if you have any more questions.