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ISL9214AIRZ
Product Overview
Category: Integrated Circuit (IC)
Use: Power Management IC
Characteristics: - High-efficiency buck-boost regulator - Low quiescent current - Wide input voltage range - Adjustable output voltage - Programmable soft-start - Overcurrent protection - Thermal shutdown protection
Package: QFN (Quad Flat No-Lead)
Essence: The ISL9214AIRZ is a power management IC designed for high-efficiency buck-boost regulation. It offers a wide input voltage range and adjustable output voltage, making it suitable for various applications.
Packaging/Quantity: The ISL9214AIRZ is available in a QFN package. The quantity may vary depending on the supplier.
Specifications
- Input Voltage Range: 2.5V to 5.5V
- Output Voltage Range: 1.8V to 5.5V
- Quiescent Current: 30µA (typical)
- Switching Frequency: 2MHz (typical)
- Operating Temperature Range: -40°C to +85°C
Pin Configuration
The ISL9214AIRZ has the following pin configuration:
Pin | Name | Function --- | ---- | -------- 1 | VIN | Input Voltage 2 | GND | Ground 3 | EN | Enable 4 | FB | Feedback 5 | VOUT | Output Voltage 6 | SW | Switch Node 7 | PG | Power Good 8 | BST | Boost Node
Functional Features
- High-efficiency buck-boost regulation
- Adjustable output voltage through feedback pin
- Programmable soft-start for controlled power-up
- Overcurrent protection to prevent damage
- Thermal shutdown protection to prevent overheating
Advantages and Disadvantages
Advantages: - Wide input voltage range allows for versatile applications - High-efficiency regulation minimizes power loss - Adjustable output voltage provides flexibility - Overcurrent and thermal shutdown protection enhance reliability
Disadvantages: - Limited output voltage range (1.8V to 5.5V) - Higher quiescent current compared to some other ICs in the same category
Working Principles
The ISL9214AIRZ utilizes a buck-boost topology to regulate the output voltage. It switches between buck and boost modes based on the input and output voltage levels. The feedback pin is used to adjust the output voltage, while the enable pin controls the device's operation. The soft-start feature ensures a controlled power-up sequence, preventing excessive inrush current.
Application Field Plans
The ISL9214AIRZ can be used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - IoT (Internet of Things) devices - Wearable devices - Industrial equipment
Alternative Models
- ISL9214AIRZ-T7A: Similar specifications and features, but with a different package (DFN)
- ISL9214AIRZ-T13: Similar specifications and features, but with a different package (QFN)
These alternative models provide options for different PCB layouts or assembly processes while maintaining similar functionality.
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10 domande e risposte comuni relative all'applicazione di ISL9214AIRZ nelle soluzioni tecniche
Sure! Here are 10 common questions and answers related to the application of ISL9214AIRZ in technical solutions:
Q: What is ISL9214AIRZ? A: ISL9214AIRZ is a highly integrated, single-cell Li-ion or Li-polymer battery charger IC designed for portable applications.
Q: What is the input voltage range supported by ISL9214AIRZ? A: ISL9214AIRZ supports an input voltage range from 3.9V to 6.32V.
Q: Can ISL9214AIRZ charge multiple battery cells? A: No, ISL9214AIRZ is designed to charge a single-cell Li-ion or Li-polymer battery only.
Q: What charging current can ISL9214AIRZ provide? A: ISL9214AIRZ can provide a programmable charging current up to 4A.
Q: Does ISL9214AIRZ have overvoltage protection? A: Yes, ISL9214AIRZ has built-in overvoltage protection to prevent damage to the battery during charging.
Q: Can ISL9214AIRZ operate in a wide temperature range? A: Yes, ISL9214AIRZ is designed to operate in a temperature range from -40°C to +85°C.
Q: Does ISL9214AIRZ support USB Type-C Power Delivery (PD)? A: No, ISL9214AIRZ does not support USB Type-C PD. It is primarily used for charging applications.
Q: What is the typical efficiency of ISL9214AIRZ? A: The typical efficiency of ISL9214AIRZ is around 95% during charging.
Q: Can ISL9214AIRZ be used in portable devices like smartphones or tablets? A: Yes, ISL9214AIRZ is commonly used in portable devices that require single-cell battery charging.
Q: Does ISL9214AIRZ have any safety features? A: Yes, ISL9214AIRZ incorporates various safety features such as thermal shutdown, short-circuit protection, and battery temperature monitoring.
Please note that these answers are general and may vary depending on the specific implementation and configuration of ISL9214AIRZ in a technical solution.