Diodes Incorporated
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AZ7500CMTR-GA
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AZ7500CMTR-GA

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High-performance PWM Controller
  • Package: Surface Mount Technology (SMT)
  • Essence: Regulates and controls power delivery in various applications
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage: 8V to 35V
  • Output Voltage: Adjustable
  • Output Current: Up to 500mA
  • Switching Frequency: 50kHz to 1MHz
  • Operating Temperature: -40°C to +85°C
  • Package Type: SOIC-16

Detailed Pin Configuration

The AZ7500CMTR-GA IC has a total of 16 pins. The pin configuration is as follows:

  1. COMP: Compensation pin for regulating the output voltage.
  2. CS: Current sense input pin for current control.
  3. VFB: Feedback voltage input pin for setting the desired output voltage.
  4. GND: Ground reference pin.
  5. RT/CT: Timing resistor/capacitor connection pin for adjusting the switching frequency.
  6. OSC: Oscillator timing capacitor connection pin.
  7. VCC: Positive supply voltage input pin.
  8. DRVH: High-side gate driver output pin.
  9. DRVL: Low-side gate driver output pin.
  10. SD: Shutdown control pin.
  11. FB: Feedback voltage output pin.
  12. SS/TR: Soft-start/timing resistor connection pin.
  13. NC: No connection.
  14. NC: No connection.
  15. NC: No connection.
  16. NC: No connection.

Functional Features

  • High-performance pulse-width modulation (PWM) controller.
  • Provides precise regulation and control of power delivery.
  • Wide input voltage range allows for versatile applications.
  • Adjustable output voltage to meet specific requirements.
  • Current sense input for accurate current control.
  • Shutdown control for power-saving functionality.
  • Soft-start feature for smooth power-up.

Advantages and Disadvantages

Advantages

  • High-performance and reliable power management solution.
  • Wide input voltage range enables flexibility in various applications.
  • Adjustable output voltage provides customization options.
  • Shutdown control helps conserve power.
  • Soft-start feature ensures smooth power-up.

Disadvantages

  • Limited output current capability (up to 500mA).
  • Requires external components for complete power management system implementation.

Working Principles

The AZ7500CMTR-GA is a high-performance PWM controller that regulates the power delivery in various applications. It operates by continuously monitoring the feedback voltage (VFB) and comparing it with a reference voltage. Based on this comparison, the IC adjusts the duty cycle of the output waveform to maintain the desired output voltage.

The switching frequency can be adjusted using external timing components connected to the RT/CT and OSC pins. This allows for optimization of efficiency and performance based on the specific application requirements.

The IC also features a soft-start function, which gradually increases the output voltage during power-up to prevent excessive inrush current and ensure a stable operation.

Detailed Application Field Plans

The AZ7500CMTR-GA is widely used in power management applications such as:

  1. Switching Power Supplies: The IC is commonly employed in the design of switch-mode power supplies, providing efficient and regulated power conversion for various electronic devices.
  2. LED Lighting: It can be utilized in LED driver circuits to control the brightness and ensure stable operation of LED lighting systems.
  3. Motor Control: The IC can be integrated into motor control circuits to regulate the power supply and control the speed and direction of motors.
  4. Battery Charging: It finds application in battery charging circuits, ensuring efficient and controlled charging of batteries in various devices.

Detailed and Complete Alternative Models

  1. AZ7500BP-E1: Similar high-performance PWM controller with a different package type (DIP-16).
  2. UC3843AN: PWM controller with similar functionality and specifications, widely used in power management applications.
  3. TL494CN: PWM controller IC suitable for power supply and motor control applications.

These alternative models offer similar features and can be considered as substitutes for the AZ7500CMTR-GA based on specific requirements and availability.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av AZ7500CMTR-GA i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of AZ7500CMTR-GA in technical solutions:

  1. Q: What is AZ7500CMTR-GA? A: AZ7500CMTR-GA is a specific model of integrated circuit (IC) used for controlling power supplies in various technical applications.

  2. Q: What are the key features of AZ7500CMTR-GA? A: Some key features of AZ7500CMTR-GA include high voltage operation, current limiting, soft-start function, and pulse-by-pulse current limiting.

  3. Q: In which technical solutions can AZ7500CMTR-GA be used? A: AZ7500CMTR-GA can be used in various technical solutions such as switch-mode power supplies, LED drivers, battery chargers, and motor control circuits.

  4. Q: How does AZ7500CMTR-GA help in switch-mode power supplies? A: AZ7500CMTR-GA provides precise control over the switching frequency and duty cycle, ensuring efficient power conversion and regulation in switch-mode power supplies.

  5. Q: Can AZ7500CMTR-GA be used for dimming LEDs? A: Yes, AZ7500CMTR-GA can be used as an LED driver and supports dimming functionality by adjusting the duty cycle of the output waveform.

  6. Q: Does AZ7500CMTR-GA have any protection features? A: Yes, AZ7500CMTR-GA includes built-in protection features like overvoltage protection, undervoltage lockout, and thermal shutdown to safeguard the circuitry.

  7. Q: What is the maximum operating voltage of AZ7500CMTR-GA? A: The maximum operating voltage of AZ7500CMTR-GA is typically around 30 volts.

  8. Q: Can AZ7500CMTR-GA be used in automotive applications? A: Yes, AZ7500CMTR-GA is suitable for automotive applications as it can handle the required voltage levels and has built-in protection features.

  9. Q: Are there any application notes or reference designs available for AZ7500CMTR-GA? A: Yes, the manufacturer of AZ7500CMTR-GA provides application notes and reference designs that can help in implementing the IC in various technical solutions.

  10. Q: Where can I purchase AZ7500CMTR-GA? A: AZ7500CMTR-GA can be purchased from authorized distributors or directly from the manufacturer's website.