Maxim Integrated
Kuva saattaa olla esitys.
Katso tuotteen tekniset tiedot.
MAX5956AEEE+T
Näytä Yksityiskohdat DataSheets

MAX5956AEEE+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High-efficiency, programmable current-sinking LED driver
  • Package: 16-pin QSOP (Quarter Small Outline Package)
  • Essence: Provides a compact and efficient solution for driving LEDs in various applications
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Current Range: Up to 1.5A
  • Number of Channels: 16
  • Dimming Control: PWM (Pulse Width Modulation)
  • Operating Temperature Range: -40°C to +85°C
  • Efficiency: Up to 97%

Detailed Pin Configuration

The MAX5956AEEE+T features the following pin configuration:

  1. VCC: Power supply input
  2. GND: Ground reference
  3. SDI: Serial data input
  4. SDO: Serial data output
  5. SCLK: Serial clock input
  6. CS: Chip select input
  7. RST: Reset input
  8. INT: Interrupt output
  9. FAULT: Fault indication output
  10. OUT1 to OUT16: LED output channels

Functional Features

  • High integration: The MAX5956AEEE+T integrates all necessary circuitry for driving LEDs, reducing external component count.
  • Programmable current sinking: Each channel can be individually programmed to sink a specific current, allowing precise control over LED brightness.
  • Fault detection: The device provides fault indication through the FAULT pin, enabling quick identification of any LED or driver issues.
  • Thermal protection: Built-in thermal shutdown protects the device from overheating, ensuring reliable operation.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption and heat dissipation. - Compact package allows for space-saving designs. - Programmable current sinking enables flexible LED brightness control.

Disadvantages: - Limited to driving LEDs with a maximum forward voltage of 60V. - Requires external components for proper operation.

Working Principles

The MAX5956AEEE+T is a constant-current LED driver that utilizes PWM dimming control. It regulates the current flowing through each LED channel by adjusting the duty cycle of the PWM signal. The device receives control signals through the serial interface, allowing for easy configuration of LED currents and dimming levels. By providing a regulated current source, it ensures consistent brightness across all connected LEDs.

Detailed Application Field Plans

The MAX5956AEEE+T finds applications in various fields, including:

  1. Automotive lighting: Enables efficient and precise control of LED headlights, taillights, and interior lighting systems.
  2. Display backlighting: Provides uniform illumination for LCD panels in televisions, monitors, and digital signage.
  3. Architectural lighting: Offers programmable current sinking for decorative and accent lighting installations.
  4. Industrial automation: Drives LEDs in control panels, indicators, and status displays.
  5. Medical equipment: Ensures reliable and adjustable LED illumination in medical devices and instruments.

Detailed and Complete Alternative Models

  1. MAX16834: High-voltage, high-brightness LED driver with integrated boost converter.
  2. LT3597: Multi-topology LED driver with versatile dimming options and fault protection.
  3. TPS92512: Constant-current buck LED driver with wide input voltage range and thermal shutdown.

These alternative models provide similar functionality and can be considered as alternatives to the MAX5956AEEE+T based on specific application requirements.

Word count: 445 words

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät MAX5956AEEE+T :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of MAX5956AEEE+T in technical solutions:

  1. Q: What is the MAX5956AEEE+T? A: The MAX5956AEEE+T is a power-over-Ethernet (PoE) controller designed for use in network devices that require power and data over a single Ethernet cable.

  2. Q: What is the maximum power output of the MAX5956AEEE+T? A: The MAX5956AEEE+T can deliver up to 13W of power to the connected device.

  3. Q: Can the MAX5956AEEE+T support IEEE 802.3af and IEEE 802.3at standards? A: Yes, the MAX5956AEEE+T is compliant with both IEEE 802.3af and IEEE 802.3at standards, making it compatible with a wide range of PoE devices.

  4. Q: How many Ethernet ports can the MAX5956AEEE+T support? A: The MAX5956AEEE+T can support up to 4 Ethernet ports, allowing multiple devices to be powered simultaneously.

  5. Q: Does the MAX5956AEEE+T have built-in protection features? A: Yes, the MAX5956AEEE+T includes various protection features such as overcurrent protection, thermal shutdown, and under-voltage lockout to ensure safe operation.

  6. Q: Can the MAX5956AEEE+T be used in industrial applications? A: Yes, the MAX5956AEEE+T has a wide operating temperature range and is suitable for use in industrial environments.

  7. Q: Is the MAX5956AEEE+T compatible with both 10/100Mbps and Gigabit Ethernet? A: Yes, the MAX5956AEEE+T is compatible with both 10/100Mbps and Gigabit Ethernet, providing flexibility in network setups.

  8. Q: Can the MAX5956AEEE+T be used with non-PoE devices? A: Yes, the MAX5956AEEE+T can be used with non-PoE devices by simply not connecting the power pins to those devices.

  9. Q: Does the MAX5956AEEE+T support power classification? A: Yes, the MAX5956AEEE+T supports power classification according to the IEEE 802.3af/at standards, allowing it to determine the power requirements of connected devices.

  10. Q: What is the package type of the MAX5956AEEE+T? A: The MAX5956AEEE+T is available in a 16-pin QSOP package, which is compact and suitable for space-constrained applications.

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