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MIC4469CWM
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MIC4469CWM

Product Overview

Category

MIC4469CWM belongs to the category of integrated circuits (ICs).

Use

The MIC4469CWM is commonly used as a high-speed, dual MOSFET driver. It is designed to drive two N-channel enhancement-mode MOSFETs in high-side and low-side configurations.

Characteristics

  • High-speed switching capability
  • Low propagation delay times
  • Wide operating voltage range
  • High peak output current
  • Low quiescent current
  • Thermal shutdown protection

Package

MIC4469CWM is available in a 16-pin wide SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of MIC4469CWM lies in its ability to efficiently drive MOSFETs, enabling high-speed switching and precise control in various applications.

Packaging/Quantity

MIC4469CWM is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Supply Voltage: 4.5V to 18V
  • Output Current: ±1.4A
  • Propagation Delay Time: 25ns (typical)
  • Rise/Fall Time: 15ns (typical)
  • Quiescent Current: 100µA (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC4469CWM features a 16-pin configuration with the following pin assignments:

  1. VDD - Positive supply voltage
  2. IN1 - Input for channel 1
  3. GND - Ground reference
  4. LO1 - Output for channel 1 (low-side)
  5. HO1 - Output for channel 1 (high-side)
  6. VS - Bootstrap supply voltage
  7. HB1 - High-side bootstrap capacitor connection for channel 1
  8. HS1 - High-side MOSFET source connection for channel 1
  9. HB2 - High-side bootstrap capacitor connection for channel 2
  10. HS2 - High-side MOSFET source connection for channel 2
  11. HO2 - Output for channel 2 (high-side)
  12. LO2 - Output for channel 2 (low-side)
  13. IN2 - Input for channel 2
  14. VDD - Positive supply voltage
  15. GND - Ground reference
  16. VBB - Bootstrap bias voltage

Functional Features

  • Dual-channel MOSFET driver
  • Independent inputs for each channel
  • High-speed switching capability
  • Low propagation delay times
  • Thermal shutdown protection
  • Bootstrap capacitor charge pump

Advantages and Disadvantages

Advantages

  • High-speed switching enables efficient control of MOSFETs
  • Low quiescent current minimizes power consumption
  • Wide operating voltage range allows for versatile applications
  • Thermal shutdown protection safeguards against overheating

Disadvantages

  • Requires external bootstrap capacitors for proper operation
  • Limited output current compared to some other drivers in the market

Working Principles

MIC4469CWM operates by receiving input signals from the control circuitry, which are then amplified and used to drive the gate of the MOSFETs. The high-speed switching capability ensures rapid turn-on and turn-off of the MOSFETs, enabling precise control over the connected load.

Detailed Application Field Plans

MIC4469CWM finds applications in various fields, including but not limited to: - Motor control systems - Power supplies - DC-DC converters - Switching regulators - LED lighting systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to MIC4469CWM are: - IR2104 - TC4420 - HIP4081A - MAX4420

These models offer similar functionality and can be used as substitutes based on specific requirements.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan MIC4469CWM dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of MIC4469CWM in technical solutions:

  1. Q: What is MIC4469CWM? A: MIC4469CWM is a high-speed, low-side MOSFET driver IC designed for driving power MOSFETs in various applications.

  2. Q: What is the maximum voltage rating of MIC4469CWM? A: The maximum voltage rating of MIC4469CWM is typically around 18V.

  3. Q: Can MIC4469CWM be used to drive other types of transistors apart from MOSFETs? A: No, MIC4469CWM is specifically designed for driving power MOSFETs and may not be suitable for other transistor types.

  4. Q: What is the maximum output current capability of MIC4469CWM? A: MIC4469CWM can typically provide a peak output current of up to 4A.

  5. Q: Is MIC4469CWM compatible with both TTL and CMOS logic levels? A: Yes, MIC4469CWM is compatible with both TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic levels.

  6. Q: Can MIC4469CWM operate at high temperatures? A: Yes, MIC4469CWM has a wide operating temperature range of -40°C to +125°C, making it suitable for various environments.

  7. Q: Does MIC4469CWM have built-in protection features? A: Yes, MIC4469CWM includes built-in protection features such as thermal shutdown and under-voltage lockout (UVLO).

  8. Q: What is the typical propagation delay of MIC4469CWM? A: The typical propagation delay of MIC4469CWM is around 40ns.

  9. Q: Can MIC4469CWM be used in high-frequency applications? A: Yes, MIC4469CWM is designed for high-speed operation and can be used in high-frequency applications.

  10. Q: What are some common applications of MIC4469CWM? A: Some common applications of MIC4469CWM include motor control, power supplies, DC-DC converters, and switch-mode power amplifiers.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.