ICE2QR1765

Product Overview

Category: Integrated Circuit
Use: Power Supply Controller
Characteristics: High efficiency, low standby power consumption
Package: DIP-8
Essence: Regulates and controls power supply in various electronic devices
Packaging/Quantity: Available in reels of 1000 units

Specifications

Input Voltage: 85V - 265V AC
Output Voltage: 12V DC
Output Current: Up to 1.5A
Switching Frequency: 65kHz
Operating Temperature: -40°C to +105°C

Pin Configuration

The ICE2QR1765 has a DIP-8 package with the following pin configuration:

VCC: Power supply input
GND: Ground reference
FB: Feedback pin for voltage regulation
CS: Current sense input
COMP: Compensation pin for stability control
SS: Soft-start pin for smooth startup
DRV: Gate driver output
HV: High-voltage pin for power switching

Functional Features

High Efficiency: The ICE2QR1765 incorporates advanced power management techniques, resulting in high conversion efficiency.
Low Standby Power Consumption: It minimizes power loss during standby mode, reducing energy consumption.
Protection Mechanisms: Built-in protection features such as overvoltage, overcurrent, and overtemperature protection ensure safe operation.

Advantages and Disadvantages

Advantages

High efficiency leads to reduced power wastage
Low standby power consumption saves energy
Compact DIP-8 package allows for easy integration
Robust protection mechanisms enhance device reliability

Disadvantages

Limited output current may not be suitable for high-power applications
Requires external components for complete power supply implementation

Working Principles

The ICE2QR1765 operates as a power supply controller by regulating the input voltage and converting it to a stable output voltage. It utilizes a high-frequency switching technique to efficiently control the power flow. The feedback mechanism continuously monitors the output voltage, adjusting the duty cycle of the internal power switch to maintain the desired voltage level.

Detailed Application Field Plans

The ICE2QR1765 is widely used in various electronic devices that require regulated power supplies. Some common application fields include:

Consumer Electronics: TVs, audio systems, set-top boxes
Computer Systems: Desktops, laptops, servers
Lighting Systems: LED drivers, fluorescent ballasts
Industrial Equipment: Power supplies for automation systems, motor drives

Detailed Alternative Models

For alternative options, the following integrated circuits can be considered:

ICE2QR2280: Higher output current capability (up to 3A)
ICE2QR4770: Lower standby power consumption
ICE2QR0680: Lower cost option with similar specifications

These alternatives provide flexibility based on specific requirements and design constraints.

In conclusion, the ICE2QR1765 is a power supply controller integrated circuit that offers high efficiency, low standby power consumption, and robust protection mechanisms. Its compact package and wide operating temperature range make it suitable for various electronic devices. However, its limited output current and reliance on external components may restrict its use in high-power applications.

Navedite 10 uobičajenih pitanja i odgovora vezanih uz primjenu ICE2QR1765 u tehničkim rješenjima

Sure! Here are 10 common questions and answers related to the application of ICE2QR1765 in technical solutions:

Q: What is ICE2QR1765? A: ICE2QR1765 is a highly integrated controller IC used for power factor correction (PFC) in various technical solutions.
Q: What is the purpose of ICE2QR1765 in technical solutions? A: The main purpose of ICE2QR1765 is to improve power quality, increase efficiency, and achieve power factor correction in applications such as power supplies, LED lighting, and motor drives.
Q: How does ICE2QR1765 achieve power factor correction? A: ICE2QR1765 utilizes a boost converter topology with active power factor correction (APFC) control algorithms to regulate the input current waveform and ensure it closely follows the input voltage waveform.
Q: What are the key features of ICE2QR1765? A: Some key features of ICE2QR1765 include high integration, low standby power consumption, wide input voltage range, over-temperature protection, and comprehensive fault protection mechanisms.
Q: Can ICE2QR1765 be used in both single-phase and three-phase systems? A: Yes, ICE2QR1765 can be used in both single-phase and three-phase systems, making it versatile for a wide range of technical solutions.
Q: Is ICE2QR1765 suitable for high-power applications? A: Yes, ICE2QR1765 is designed to handle high-power applications, typically ranging from a few hundred watts to several kilowatts.
Q: Does ICE2QR1765 support dimming functionality for LED lighting applications? A: Yes, ICE2QR1765 supports dimming functionality through external circuitry, allowing for adjustable brightness control in LED lighting applications.
Q: What are the typical input and output voltage ranges supported by ICE2QR1765? A: ICE2QR1765 typically supports input voltage ranges from 85VAC to 265VAC and output voltage ranges from a few volts to several hundred volts, depending on the application.
Q: Are there any design considerations when using ICE2QR1765 in technical solutions? A: Yes, some design considerations include proper thermal management, component selection, layout optimization, and adherence to safety standards and regulations.
Q: Where can I find more information about ICE2QR1765 and its application in technical solutions? A: You can refer to the datasheet, application notes, and technical documentation provided by the manufacturer of ICE2QR1765 for detailed information and guidelines on its application in various technical solutions.

Please note that the answers provided here are general and may vary based on specific requirements and implementation details.