UCC28730QDRQ1

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UCC28730QDRQ1

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IC OFFLINE SWITCH FLYBACK 7SOIC

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  • メーカー品番 #UCC28730QDRQ1

  • 在庫状況6210

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性 値
Part Status Active
Output Isolation Isolated
Internal Switch(s) No
Topology Flyback
Voltage - Supply (Vcc/Vdd) 9V ~ 35V
Frequency - Switching 32Hz ~ 83kHz
Fault Protection Current Limiting, Over Voltage
Operating Temperature -40°C ~ 125°C (TJ)
Package / Case 8-SOIC (0.154", 3.90mm Width), 7 Leads
Supplier Device Package 7-SOIC
Mounting Type Surface Mount
Base Product Number UCC28730
Voltage - Start Up 21 V
Grade Automotive
Qualification AEC-Q100

概要

Description

The UCC28730QDRQ1 is an automotive-qualified, isolated flyback controller from Texas Instruments designed for high-efficiency power supply applications. It features advanced control algorithms to deliver tight regulation and low standby power consumption, making it suitable for applications that require high efficiency and low power usage in standby modes, such as automotive power supplies and adapters.
Key features include primary-side regulation (PSR) to eliminate the need for an optocoupler, active-mode efficiency enhancements, and ultra-low standby power. The device supports both constant voltage (CV) and constant current (CC) regulation, ensuring precise control over power delivery. It also incorporates comprehensive protection features, including overvoltage, overcurrent, and thermal shutdown, to enhance system reliability.
The UCC28730QDRQ1 operates over a wide input voltage range and supports a wide range of output power levels, making it versatile for various applications. Its ability to enable significant reductions in component count and system cost, while maintaining high performance, makes it a preferred choice for designing compact and efficient power solutions in automotive environments.

Equivalent

The UCC28730QDRQ1 is a flyback controller designed for high-efficiency power supplies. Equivalent products include:
1. UCC28730: Non-automotive version with similar specifications.
2. UCC28704: Another controller in the same family with similar functionality.
3. NCP1250: From ON Semiconductor, offering similar power management capabilities.
4. TNY277PN: From Power Integrations, though not identical, offers comparable applications.
Always verify specific requirements and features for compatibility with your application.

Features

The UCC28730QDRQ1 is an automotive-grade flyback controller designed for isolated power supplies. Key features include:
1. Wide Input Range: Supports a wide input voltage range, making it suitable for various automotive applications.
2. High Efficiency: Utilizes primary-side regulation (PSR) and an integrated 700-V startup switch for improved efficiency and reduced standby power consumption.
3. Advanced Protection: Offers comprehensive protection features like overvoltage, overcurrent, and over-temperature protections to enhance system reliability.
4. Accurate Regulation: Provides accurate output voltage and current regulation through advanced control techniques.
5. Low Standby Power: Designed for ultra-low standby power consumption, which is critical for battery-powered systems.
6. Adaptive Drive: Features adaptive drive for optimized efficiency and reduced electromagnetic interference (EMI).
7. Qualified for Automotive Applications: Meets AEC-Q100 standards, ensuring reliability in harsh automotive environments.
Overall, the UCC28730QDRQ1 is targeted at automotive power supply applications requiring high efficiency, robust protection, and precise control.

Pinout

The UCC28730QDRQ1 is a flyback controller intended for high-efficiency power supply applications. It is manufactured by Texas Instruments and comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
1. VDD (Pin 1): Provides supply voltage to the IC.
2. GND (Pin 2): Ground reference for the IC.
3. DRV (Pin 3): Drives the gate of an external MOSFET for switching.
4. CS (Pin 4): Current sense input for monitoring the primary-side current.
5. VS (Pin 5): Voltage sense input, used for output voltage regulation.
6. BLK (Pin 6): Input for AC line voltage sensing and brownout protection.
7. FB (Pin 7): Feedback input for output voltage regulation.
8. AUX (Pin 8): Auxiliary winding input for zero-crossing detection and regulation.
The UCC28730QDRQ1 is designed for optimal performance in power applications, leveraging features like primary-side regulation and valley-switching for higher efficiency.

Manufacturer

The UCC28730QDRQ1 is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and integrated circuits. The company is known for its development, manufacturing, and sale of semiconductors and various semiconductor solutions, including analog chips and embedded processors. TI's products are used in a diverse array of applications, such as automotive, industrial, personal electronics, and communications equipment. The UCC28730QDRQ1 itself is a flyback controller with advanced features for power supply designs, further illustrating TI's focus on providing innovative semiconductor solutions for varied technology needs.

Application

The UCC28730QDRQ1 is a high-performance flyback controller designed for automotive and industrial applications. It is commonly used in applications requiring high efficiency and low standby power, such as auxiliary power supplies, battery chargers, and LED drivers. Its primary features, including ultra-low standby power consumption and primary-side regulation, make it ideal for use in electric vehicle systems, infotainment systems, and other automotive electronics. Additionally, its ability to maintain accurate output voltage and current regulation without opto-couplers makes it suitable for industrial power supplies and high-reliability systems where space and efficiency are critical considerations.

Package

The UCC28730QDRQ1 is a high-voltage flyback controller from Texas Instruments, designed for automotive applications. It comes in an SOIC-7 (Small Outline Integrated Circuit) package, which is a 7-pin surface-mount package ideal for compact designs. This package type supports efficient thermal performance and reliable electrical connections in automotive environments.

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