NCP1612A1DR2G

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NCP1612A1DR2G

+Nomenclature

IC PFC CTRLR CCFF/CRM 10SOIC

  • FabricantSemi - conducteurs

  • Pièce fabricant #NCP1612A1DR2G

  • En stock6666

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Spécifications

Attribut Valeur
PartStatus Active
Mode Current Controlled Frequency Foldback (CCFF), Critical Conduction (CRM)
Current-Startup 20 µA
Voltage-Supply 9.5V ~ 35V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 10-SOP (0.154", 3.90mm Width)
SupplierDevicePackage 10-SOIC
BaseProductNumber NCP1612

Présentation

Description

The NCP1612A1DR2G is a high-performance, integrated power management IC designed for flyback converters in various applications, including LED drivers, adapters, and battery chargers. It features a primary-side regulation (PSR) topology, eliminating the need for an opto-isolator and improving efficiency and simplicity in design.
Key specifications include a wide input voltage range, typically from 85V to 265V AC, and the ability to deliver up to 12W of output power. The chip incorporates several protection features, such as over-voltage, over-current, and thermal shutdown, ensuring reliable operation and longevity.
Additionally, it supports various control methods, including constant voltage and constant current regulation, making it versatile for different load conditions. The NCP1612A1DR2G is housed in a compact SOIC-8 package, facilitating easy integration into space-constrained designs. Its efficiency and flexibility make it a popular choice for energy-efficient power supply solutions in consumer electronics and industrial applications.

Equivalent

The NCP1612A1DR2G is a high-efficiency LED driver chip. Equivalent products include the LT3797 from Analog Devices, the TPS92512 from Texas Instruments, and the MAX16832 from Maxim Integrated. These alternatives may offer similar features such as constant current output and PWM dimming capabilities, but verify specifications for exact compatibility. Always consult datasheets for detailed comparisons.

Features

The NCP1612A1DR2G is a high-performance, integrated power supply controller designed for applications such as LED drivers and offline power supplies. Key features include:
1. High Voltage Startup: It operates directly from high-voltage AC inputs, with a wide input voltage range.
2. PWM Control: Utilizes a pulse-width modulation (PWM) control scheme for efficient power management.
3. Built-in Protection Features: Includes over-voltage protection (OVP), under-voltage lockout (UVLO), and thermal shutdown.
4. Frequency Modulation: Provides frequency modulation to minimize electromagnetic interference (EMI).
5. Adjustable Output Voltage: Output voltage can be adjusted using external resistors.
6. Synchronous Rectification: Supports synchronous rectification for increased efficiency.
7. Compact Package: Available in a compact SOIC-8 package for space-constrained designs.
These features make the NCP1612A1DR2G suitable for various applications requiring efficient power conversion and management.

Pinout

The NCP1612A1DR2G is a high-performance power supply controller from ON Semiconductor. It features a 22-pin package (TSSOP-22).
Key pin functions include:
1. VIN: Input voltage supply.
2. GND: Ground reference.
3. VCC: Supply voltage for internal circuits.
4. COMP: Compensation network for stability.
5. FB: Feedback voltage input for regulation.
6. SW: Switch node for the power stage.
7. VOUT: Output voltage.
8. CSN/PSN & CSP/PSP: Current sense inputs for overcurrent detection.
9. MODE: Selects between different operating modes.
10. SYNC: Synchronization input for multiple converters.
11. SS & RAMP: Soft-start and ramp control for stable startup.
12. PWM: Pulse-width modulation control.
This device is typically used in power supply applications for its efficiency and flexibility in regulation.

Manufacturer

The manufacturer of the NCP1612A1DR2G is ON Semiconductor. ON Semiconductor is a global supplier of semiconductor-based solutions, focusing on energy-efficient innovations and providing a wide range of products including analog, discrete, and power management semiconductors. The company serves various markets, including automotive, industrial, communications, consumer electronics, and computing. ON Semiconductor emphasizes sustainability and energy efficiency in its product offerings, aiming to support the growing demand for more eco-friendly technologies. With a strong commitment to research and development, ON Semiconductor continually advances its technology to meet the evolving needs of its customers.

Application

The NCP1612A1DR2G is a high-efficiency, flyback controller primarily used in power supply applications. Its key areas include:
1. AC-DC Power Supplies: Ideal for converting AC mains to various DC voltages.
2. LED Drivers: Provides efficient power to LED lighting systems.
3. Telecom Equipment: Supplies power to communication devices and infrastructure.
4. Battery Chargers: Used in charging circuits for lithium-ion and other batteries.
5. Industrial Power Supplies: Supports various industrial applications requiring reliable voltage regulation.
Overall, it is suitable for applications needing compact, efficient, and reliable power management solutions.

Package

The NCP1612A1DR2G is packaged in a 16-Pin HTSSOP (Thermal Enhanced Thin Shrink Small Outline Package). This package type is designed for efficient thermal management and compact design in applications such as power management and voltage regulation.

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