SG2525AP

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SG2525AP

+Nomenclature

IC REG CTRLR BCK/PSH-PULL 16SOIC

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Spécifications

Attribut Valeur
Package / Case Tube
Part Status Active
Output Type Transistor Driver
Function Step-Down, Step-Up/Step-Down
Output Configuration Positive
Topology Buck, Push-Pull
Number of Outputs 2
Output Phases 1
Voltage - Supply (Vcc/Vdd) 8V ~ 35V
Frequency - Switching 100Hz ~ 400kHz
Duty Cycle(Max) 49%
Synchronous Rectifier Yes
Clock Sync Yes
Control Features Enable, Soft Start
Operating Temperature -25°C ~ 85°C (TA)
Mounting Type Surface Mount

Présentation

Description

The SG2525AP is a fixed-frequency pulse width modulation (PWM) controller designed for efficient power management in various applications. It is part of the SG2525 family, known for its reliable performance in switching power supplies and DC-DC converters. The device integrates essential features such as error amplification, adjustable dead-time control, and a precise voltage reference to optimize the regulation of power delivery.
Key features of the SG2525AP include a wide input voltage range, ability to provide high current output, and flexibility for use in both continuous and discontinuous conduction modes. The controller supports a dual in-line package (DIP) for easy integration into circuits. It is highly versatile, allowing engineers to customize the frequency, duty cycle, and output voltage according to specific design requirements.
The SG2525AP is widely used in applications requiring efficient energy conversion, such as power adapters, battery chargers, and industrial power supplies. Its robust design and stability make it a popular choice for ensuring accurate and reliable power management.

Equivalent

The SG2525AP is a pulse width modulation (PWM) controller used in power supply designs. Equivalent products include the SG3525A, KA3525A, and UC3525A. These chips have similar functionalities and are interchangeable in many applications. However, it's essential to verify electrical characteristics and package specifications for compatibility in specific designs.

Features

The SG2525AP is a pulse width modulation (PWM) controller designed for switch-mode power supply (SMPS) applications. Key features include:
1. Wide Input Voltage Range: It operates over a wide range of input voltages, making it versatile for different applications.

2. PWM Control: It provides precise PWM control, which enhances the efficiency of power conversion in SMPS.
3. Dual Output: The SG2525AP supports dual output, allowing for more complex power supply designs.
4. Frequency Modulation: It includes adjustable frequency modulation to improve performance and adaptability.
5. Built-in Protection: The device features built-in protection mechanisms, such as overcurrent protection and thermal shutdown, enhancing reliability and safety.
6. Soft Start Capability: It features a soft start function to prevent inrush current during startup.
7. Synchronization: The SG2525AP can be synchronized with an external clock, which is useful for applications requiring coordinated timing.
8. Voltage Regulation: It provides excellent voltage regulation, crucial for maintaining stable output under varying load conditions.
These features make the SG2525AP suitable for a variety of power supply applications, including those requiring high efficiency and reliability.

Pinout

The SG2525AP is a pulse-width modulation (PWM) controller IC commonly used in power supply applications. It typically comes in a 16-pin dual in-line package (DIP). Here is a brief overview of the pin functions:
1. Compensation: Error amplifier compensation.
2. VFB (Voltage Feedback): Inverting input of the error amplifier.
3. Current Sense: Non-inverting input for current limiting.
4. RT (Timing Resistor): Sets oscillator frequency.
5. CT (Timing Capacitor): Sets oscillator frequency.
6. RAMP: Oscillator and ramp voltage.
7. Soft Start: Controls the soft start function.
8. Ground: Common ground reference.
9. Collector A: Output for PWM.
10. Emitter A: Output for PWM.
11. Emitter B: Output for PWM.
12. Collector B: Output for PWM.
13. VCC: Positive supply voltage.
14. VC (Control Voltage): Output control voltage.
15. Reference Output: Provides a stable reference voltage.
16. Shutdown: Shuts down the PWM outputs when activated.
These pins collectively manage the PWM operations, including frequency setting, output control, and protection features.

Manufacturer

The SG2525AP is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that specializes in designing and manufacturing semiconductors and various integrated circuits. They are one of the top semiconductor companies in the world, primarily focusing on developing analog chips and embedded processors that are used in a wide array of electronics applications, including industrial, automotive, personal electronics, and communications equipment. TI is known for its innovation in the field of electronics and has a significant presence in the global semiconductor market.

Application

The SG2525AP is a pulse width modulation (PWM) controller used primarily in power supply applications. Its key application areas include:
1. Switching Power Supplies: It is used in designing efficient and compact switching power supplies for various electronic devices.
2. DC-DC Converters: The device is ideal for implementing both isolated and non-isolated DC-DC converters.
3. Inverters: It can be used in the design of power inverters for renewable energy systems.
4. Motor Control: The SG2525AP can be employed in motor speed control applications where precise PWM control is needed.
5. Battery Chargers: It is suitable for designing battery charging systems, ensuring efficient and reliable charging.

Package

The SG2525AP is a voltage regulator control IC typically housed in a dual in-line package (DIP), specifically an 8-pin or 16-pin DIP. This package type is commonly used for through-hole mounting on printed circuit boards (PCBs) and provides a robust and easy-to-handle format for various electronic applications.