AZ7500CUMTR-EA
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Mode PWM Controller
- Characteristics:
- Package: Surface Mount Technology (SMT)
- Essence: High-performance PWM controller for power supply applications
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Input Voltage Range: 8V to 35V
- Output Voltage Range: 5V to 30V
- Oscillator Frequency Range: 50kHz to 1MHz
- Maximum Duty Cycle: 100%
- Operating Temperature Range: -40°C to +85°C
- Package Type: SOIC-16
Detailed Pin Configuration
The AZ7500CUMTR-EA has a total of 16 pins. The pin configuration is as follows:
- COMP: Compensation Pin
- CS: Current Sense Pin
- INV: Inverting Input Pin
- VREF: Reference Voltage Pin
- GND: Ground Pin
- RT/CT: Timing Resistor/Capacitor Pin
- CT: Timing Capacitor Pin
- RT: Timing Resistor Pin
- OSC: Oscillator Pin
- SYNC: Synchronization Pin
- SS/TR: Soft Start/Shutdown Pin
- VCC: Power Supply Pin
- DRV: Gate Driver Output Pin
- OUT: Output Pin
- FB: Feedback Pin
- NC: No Connection Pin
Functional Features
- Voltage mode control with adjustable duty cycle
- Internal error amplifier for precise regulation
- Soft start function for controlled startup
- Overcurrent protection with current sense input
- Synchronization capability for multi-phase operation
- Wide input voltage range for versatile applications
Advantages and Disadvantages
Advantages: - High-performance PWM controller - Wide input voltage range allows for flexibility in power supply applications - Adjustable duty cycle provides precise regulation - Soft start function ensures controlled startup
Disadvantages: - Limited operating temperature range (-40°C to +85°C) - Requires external timing resistor and capacitor for operation
Working Principles
The AZ7500CUMTR-EA is a voltage mode PWM controller that regulates the output voltage by adjusting the duty cycle of the PWM signal. It uses an internal error amplifier to compare the feedback voltage with the reference voltage and adjusts the duty cycle accordingly. The soft start function gradually increases the duty cycle during startup to prevent excessive current flow. The controller also incorporates overcurrent protection by monitoring the current sense input.
Detailed Application Field Plans
The AZ7500CUMTR-EA is commonly used in various power supply applications, including:
- Switching Power Supplies: Provides voltage regulation in switch-mode power supplies.
- DC-DC Converters: Controls the output voltage in DC-DC converter circuits.
- LED Drivers: Regulates the current in LED driver circuits.
- Battery Chargers: Controls the charging process in battery charger circuits.
- Motor Control: Regulates the power supply in motor control applications.
Detailed and Complete Alternative Models
- TL494: PWM controller with similar features and pin configuration.
- UC3843: Voltage mode PWM controller with adjustable duty cycle.
- SG3525: PWM controller with wide input voltage range and synchronization capability.
- IRS2153D: Integrated half-bridge driver and PWM controller.
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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi AZ7500CUMTR-EA dalam penyelesaian teknikal
Sure! Here are 10 common questions and answers related to the application of AZ7500CUMTR-EA in technical solutions:
Q: What is AZ7500CUMTR-EA? A: AZ7500CUMTR-EA is a specific model of integrated circuit (IC) that is commonly used as a pulse width modulation (PWM) controller in various technical applications.
Q: What are the main features of AZ7500CUMTR-EA? A: Some key features of AZ7500CUMTR-EA include adjustable frequency operation, high voltage capability, built-in error amplifier, soft-start function, and protection features like overcurrent and overvoltage protection.
Q: In what applications can AZ7500CUMTR-EA be used? A: AZ7500CUMTR-EA can be used in a wide range of applications such as power supplies, inverters, motor control circuits, LED drivers, and other systems that require precise PWM control.
Q: How does AZ7500CUMTR-EA help in power supply designs? A: AZ7500CUMTR-EA provides accurate regulation of output voltage by controlling the duty cycle of the PWM signal, ensuring stable and efficient power conversion.
Q: Can AZ7500CUMTR-EA handle high voltages? A: Yes, AZ7500CUMTR-EA has a high voltage capability, typically up to several hundred volts, making it suitable for applications that require handling higher voltages.
Q: Does AZ7500CUMTR-EA have any protection features? A: Yes, AZ7500CUMTR-EA includes protection features such as overcurrent protection, overvoltage protection, and thermal shutdown, which help safeguard the circuit and connected components.
Q: How can I adjust the frequency of AZ7500CUMTR-EA? A: The frequency of AZ7500CUMTR-EA can be adjusted by changing the values of external timing components like resistors and capacitors connected to the appropriate pins of the IC.
Q: Can AZ7500CUMTR-EA be used in motor control applications? A: Yes, AZ7500CUMTR-EA can be used in motor control circuits to regulate the speed and direction of motors by adjusting the PWM signal according to the desired parameters.
Q: Does AZ7500CUMTR-EA have a soft-start function? A: Yes, AZ7500CUMTR-EA has a built-in soft-start function that gradually ramps up the output voltage during startup, reducing stress on the components and preventing sudden voltage spikes.
Q: Where can I find more information about AZ7500CUMTR-EA? A: You can refer to the datasheet provided by the manufacturer or visit their official website for detailed information about AZ7500CUMTR-EA, including application notes and technical specifications.
Please note that the specific details and answers may vary depending on the manufacturer's documentation and the context of the application.