Overview
developed by Onsemi, is an integrated load switch designed for low-voltage power management applications in portable electronic devices, mobile terminals, industrial control, consumer electronics, and embedded systems . This device utilizes a low on-resistance P-channel MOSFET structure and integrates multiple protection functions, including overcurrent protection, short-circuit protection, and thermal shutdown, enabling safe and efficient power path control.
The FPF2700MX supports a wide input voltage range and features controlled turn-on functionality, effectively reducing inrush current and preventing power supply surges during system startup. Simultaneously, its low quiescent current and fast response capabilities help designers optimize system power consumption and improve device reliability, making it widely used in USB power delivery, battery management, peripheral device power supply, and mobile electronic products.
Core parameters
| Parameter | Value |
| Product Type | Load switch |
| Input voltage range | 2.3V ~ 5.5V |
| Maximum continuous output current | Approximately 2A |
| On-resistance (RDS(on)) | Typical 55mΩ |
| Static current | Ultra-low power design |
| Startup method | Controlled soft start |
| Overcurrent protection | support |
| Short circuit protection | support |
| Thermal shutdown protection | support |
| Control input | CMOS/TTL compatible Enable pin |
| Encapsulation type | MicroFET-6 (MLP-6) |
| Operating temperature range | -40°C to +85°C |
| Environmental standards | RoHS compliant |
Features
Low on-resistance reduces power loss
The FPF2700MX integrates a low RDS(on) MOSFET, which effectively reduces conduction losses and heat generation, improves power conversion efficiency, and is suitable for battery-powered devices.
Integrated multiple protection functions
The device incorporates overcurrent protection (OCP), short-circuit protection (SCP), and thermal shutdown protection (TSD), which can automatically cut off the output under abnormal operating conditions, improving system safety and reliability.
Soft start reduces inrush current
It adopts a controlled start-up mechanism to slowly increase the output voltage when the load is turned on, effectively suppressing surge current and protecting the power supply and subsequent circuits.
Ultra-low static power consumption
The FPF2700MX features extremely low quiescent current, which effectively extends the battery life of battery-powered devices, making it ideal for portable and low-power applications.
Small form factor package
Featuring a compact MicroFET-6 package, it occupies little PCB space and is suitable for smartphone, wearable device and other high-density electronic product designs.
Typical application scenarios
USB power management
USB interface power supply control, USB peripheral protection, and power path switching.
Portable electronic devices
Smartphones, tablets, digital cameras and mobile devices.
Battery-powered system
Lithium battery powered equipment, power management modules and portable instruments.
Industrial control equipment
Industrial controllers, sensor nodes, and embedded control systems.
Consumer electronics products
Bluetooth devices, wireless audio products, smart home devices, and wearable electronic products.
Comparative Advantage Analysis
| Performance indicators | FPF2700MX | Conventional MOSFET switching solutions |
| On resistance | Low | Depends on the peripheral design |
| soft start | Integration support | External circuitry is usually required. |
| Overcurrent protection | integrated | Normally none |
| thermal shutdown | integrated | Normally none |
| PCB area | Small | Larger |
| System integration | high | generally |
The FPF2700MX offers significant advantages over traditional discrete MOSFET solutions in terms of system integration, safety protection, and power management capabilities , helping designers reduce the number of external components and improve system reliability.
Manufacturer Profile: onsemi
OnSemi is a leading global supplier of power management, analog devices, and power semiconductors, with a comprehensive product portfolio in load switches, power protection, battery management, and automotive electronics. Its FPF series load switches, characterized by low power consumption, high reliability, and robust protection features, are widely used in consumer electronics, industrial control, medical devices, and IoT devices.
Why choose FPF2700MX?
● Integrated low RDS(on) power MOSFETs for improved system efficiency
● Supports up to approximately 2A output current.
● Built-in overcurrent, short-circuit, and thermal shutdown protection.
● Soft-start function effectively suppresses inrush current.
● Ultra-low quiescent power consumption, suitable for battery-powered devices.
● Onsemi original quality, long-term stable supply.
Frequently Asked Questions (FAQ)
Q1: What are the advantages of the FPF2700MX compared to ordinary MOSFET power switches?
The FPF2700MX not only integrates low on-resistance MOSFETs, but also incorporates soft-start, overcurrent protection, short-circuit protection, and thermal shutdown functions, which can significantly reduce the number of external components and improve system safety and design reliability.
Q2: What applications is the FPF2700MX suitable for?
This device is widely used in applications requiring efficient and safe power control, such as USB power management, mobile terminals, battery-powered devices, industrial control systems, smart homes, and wearable devices. It can realize functions such as load connection, disconnection, and power protection.
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Product Details: Win Source – FPF2700MX
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