規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Not For New Designs |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.7V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.9V |
| Voltage - Output (Max) | 3.9V |
| Current - Output | 1A |
| Frequency - Switching | 1.7MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The NCP1529ASNT1G is a high-efficiency, step-down DC-DC converter designed by ON Semiconductor. It is intended for use in portable and battery-powered devices. The device operates at a fixed frequency, facilitating easy filtering and reducing output voltage ripple. It offers a wide input voltage range, typically from 2.7 V to 5.5 V, making it suitable for single-cell lithium-ion battery applications.
The NCP1529ASNT1G provides up to 600 mA of output current and supports adjustable output voltage, enhancing its versatility for different application needs. Its high efficiency, often over 90%, helps maximize battery life. The device integrates protection features such as over-current protection, short-circuit protection, and thermal shutdown for enhanced reliability.
With a small footprint and minimal external component requirements, the NCP1529ASNT1G enables compact and cost-effective power management solutions. It is commonly used in smartphones, tablets, portable media players, and other consumer electronics where space and battery efficiency are critical.
The NCP1529ASNT1G provides up to 600 mA of output current and supports adjustable output voltage, enhancing its versatility for different application needs. Its high efficiency, often over 90%, helps maximize battery life. The device integrates protection features such as over-current protection, short-circuit protection, and thermal shutdown for enhanced reliability.
With a small footprint and minimal external component requirements, the NCP1529ASNT1G enables compact and cost-effective power management solutions. It is commonly used in smartphones, tablets, portable media players, and other consumer electronics where space and battery efficiency are critical.
Equivalent
The NCP1529ASNT1G is a DC-DC step-down converter. For equivalent products, you can consider alternatives such as:
1. TPS62260 by Texas Instruments
2. MIC23150 by Microchip Technology
3. LTC3405A by Analog Devices
4. AP7331 by Diodes Incorporated
These alternatives offer similar functionality and specifications, but always check the datasheets to ensure compatibility with your specific application requirements.
1. TPS62260 by Texas Instruments
2. MIC23150 by Microchip Technology
3. LTC3405A by Analog Devices
4. AP7331 by Diodes Incorporated
These alternatives offer similar functionality and specifications, but always check the datasheets to ensure compatibility with your specific application requirements.
Features
The NCP1529ASNT1G is a high-efficiency, step-down DC-DC converter primarily designed for portable applications. Its key features include:
1. Input Voltage Range: It operates from a 2.7 V to 5.5 V input voltage, making it suitable for single-cell Li-ion batteries and other portable power sources.
2. Output Voltage: The device offers an adjustable output voltage option, enabling flexibility for various applications.
3. Output Current: It can deliver up to 600 mA of output current, supporting a range of load demands.
4. Efficiency: The converter is designed for high efficiency, reaching up to 95%, which is crucial for battery-powered devices.
5. Mode of Operation: It features PWM (Pulse Width Modulation) and PFM (Pulse Frequency Modulation) modes, optimizing efficiency across different load conditions.
6. Compact Package: The device is available in a small, space-saving SOT-23 package, ideal for compact designs.
7. Protections: It includes over-temperature and short-circuit protection, enhancing the reliability and safety of the system.
These features make the NCP1529ASNT1G suitable for applications requiring efficient power conversion in a compact form factor.
1. Input Voltage Range: It operates from a 2.7 V to 5.5 V input voltage, making it suitable for single-cell Li-ion batteries and other portable power sources.
2. Output Voltage: The device offers an adjustable output voltage option, enabling flexibility for various applications.
3. Output Current: It can deliver up to 600 mA of output current, supporting a range of load demands.
4. Efficiency: The converter is designed for high efficiency, reaching up to 95%, which is crucial for battery-powered devices.
5. Mode of Operation: It features PWM (Pulse Width Modulation) and PFM (Pulse Frequency Modulation) modes, optimizing efficiency across different load conditions.
6. Compact Package: The device is available in a small, space-saving SOT-23 package, ideal for compact designs.
7. Protections: It includes over-temperature and short-circuit protection, enhancing the reliability and safety of the system.
These features make the NCP1529ASNT1G suitable for applications requiring efficient power conversion in a compact form factor.
Pinout
The NCP1529ASNT1G is a DC-DC buck converter integrated circuit designed by ON Semiconductor. It typically comes in a compact SOT-23-5 package, meaning it has 5 pins. Here is a brief overview of its pin functions:
1. Pin 1 (VIN): This is the input voltage pin, where the unregulated input voltage is supplied to the IC.
2. Pin 2 (GND): This pin is connected to ground.
3. Pin 3 (EN): The enable pin is used to turn the device on or off. Pulling this pin high enables the converter, while pulling it low turns it off.
4. Pin 4 (SW): This is the switch output pin, connected to the inductor in the buck converter topology. It switches between VIN and GND to regulate the output voltage.
5. Pin 5 (FB): The feedback pin is connected to the output voltage through a resistor divider network, allowing the IC to maintain a stable output voltage by comparing this feedback voltage to an internal reference.
The NCP1529ASNT1G is designed for portable applications, providing efficient power conversion for battery-operated devices.
1. Pin 1 (VIN): This is the input voltage pin, where the unregulated input voltage is supplied to the IC.
2. Pin 2 (GND): This pin is connected to ground.
3. Pin 3 (EN): The enable pin is used to turn the device on or off. Pulling this pin high enables the converter, while pulling it low turns it off.
4. Pin 4 (SW): This is the switch output pin, connected to the inductor in the buck converter topology. It switches between VIN and GND to regulate the output voltage.
5. Pin 5 (FB): The feedback pin is connected to the output voltage through a resistor divider network, allowing the IC to maintain a stable output voltage by comparing this feedback voltage to an internal reference.
The NCP1529ASNT1G is designed for portable applications, providing efficient power conversion for battery-operated devices.
Manufacturer
The NCP1529ASNT1G is manufactured by ON Semiconductor. ON Semiconductor, now known as onsemi, is a leading semiconductor supplier that designs and manufactures a wide range of semiconductor components. The company specializes in power and signal management, logic, discrete, and custom devices for various sectors, including automotive, industrial, communications, computing, consumer, and medical applications. onsemi focuses on providing energy-efficient, sustainable solutions that help reduce global energy use. The company is recognized for its innovative products and commitment to advancing technology in power management and related fields.
Application
The NCP1529ASNT1G is a step-down DC-DC converter primarily used in portable and battery-powered applications due to its high efficiency and compact size. Key application areas include:
1. Mobile Phones: Efficient power management for various phone components.
2. Wearable Devices: Provides power while maintaining extended battery life.
3. Portable Media Players: Ensures stable power supply for optimal performance.
4. Digital Cameras: Powers image sensors and other electronic components.
5. GPS Devices: Supports reliable power for continuous operation.
6. IoT Devices: Offers efficient energy usage for prolonged battery life.
Its compact design and efficiency make it suitable for any application where space and power efficiency are critical.
1. Mobile Phones: Efficient power management for various phone components.
2. Wearable Devices: Provides power while maintaining extended battery life.
3. Portable Media Players: Ensures stable power supply for optimal performance.
4. Digital Cameras: Powers image sensors and other electronic components.
5. GPS Devices: Supports reliable power for continuous operation.
6. IoT Devices: Offers efficient energy usage for prolonged battery life.
Its compact design and efficiency make it suitable for any application where space and power efficiency are critical.
Package
The NCP1529ASNT1G is packaged in a TSOP-5 (Thin Small Outline Package) format. This package type is compact and suitable for applications needing minimal space, offering a balance between thermal performance and size.
