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MAX1889ETE+ - English Editing Encyclopedia Entry
Product Overview
Category
MAX1889ETE+ belongs to the category of integrated circuits (ICs).
Use
This product is commonly used in power management applications.
Characteristics
- The MAX1889ETE+ is a highly efficient, step-up DC-DC converter.
- It operates at a high switching frequency, allowing for compact designs.
- This IC offers a wide input voltage range and can deliver a regulated output voltage.
- It incorporates various protection features such as overcurrent and thermal shutdown.
Package
The MAX1889ETE+ is available in a small 16-pin TQFN package.
Essence
The essence of this product lies in its ability to efficiently convert low input voltages to higher output voltages, making it suitable for battery-powered devices.
Packaging/Quantity
The MAX1889ETE+ is typically sold in reels containing a quantity of 250 units.
Specifications
- Input Voltage Range: 2.7V to 5.5V
- Output Voltage Range: Up to 28V
- Switching Frequency: 1.2MHz
- Efficiency: Up to 95%
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The MAX1889ETE+ has a total of 16 pins. Here is the detailed pin configuration:
- VIN: Input voltage pin
- GND: Ground pin
- SW: Switching node pin
- LX: Inductor connection pin
- FB: Feedback pin
- EN: Enable pin
- SS/TR: Soft-start/Tracking pin
- PGND: Power ground pin
- VOUT: Output voltage pin
- BST: Boost capacitor connection pin
- AGND: Analog ground pin
- COMP: Compensation pin
- SS/TR: Soft-start/Tracking pin
- FB: Feedback pin
- LX: Inductor connection pin
- SW: Switching node pin
Functional Features
- High efficiency conversion of low input voltages to higher output voltages.
- Wide input voltage range allows for compatibility with various power sources.
- Integrated protection features ensure safe operation under different conditions.
- Compact design due to high switching frequency.
Advantages and Disadvantages
Advantages
- High efficiency leads to longer battery life in portable devices.
- Wide input voltage range provides flexibility in power supply selection.
- Compact size enables space-saving designs.
- Integrated protection features enhance system reliability.
Disadvantages
- Limited maximum output voltage may not be suitable for certain applications requiring higher voltages.
- Higher switching frequency may introduce additional noise in sensitive circuits.
Working Principles
The MAX1889ETE+ operates as a step-up DC-DC converter. It utilizes a high-frequency switching technique to efficiently boost the input voltage to a regulated output voltage. The internal control circuitry ensures stable operation and protects against overcurrent and thermal issues.
Detailed Application Field Plans
The MAX1889ETE+ finds applications in various fields, including but not limited to: - Portable electronic devices such as smartphones, tablets, and portable media players. - Battery-powered systems like wireless sensors and IoT devices. - Industrial equipment requiring efficient power management.
Detailed and Complete Alternative Models
Here are some alternative models that offer similar functionality to the MAX1889ETE+: - MAX17710 - LTC3426 - TPS61220
These alternatives can be considered based on specific application requirements and design constraints.
In conclusion, the MAX1889ETE+ is a highly efficient step-up DC-DC converter used in power management applications. Its compact size, wide input voltage range, and integrated protection features make it suitable for various portable and battery-powered devices. However, designers should consider the limited maximum output voltage and potential noise issues associated with its higher switching frequency.
Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MAX1889ETE+ in technische oplossingen
Sure! Here are 10 common questions and answers related to the application of MAX1889ETE+ in technical solutions:
Q: What is the MAX1889ETE+? A: The MAX1889ETE+ is a high-efficiency, step-up DC-DC converter designed for applications requiring low input voltage and high output voltage.
Q: What is the input voltage range of the MAX1889ETE+? A: The input voltage range of the MAX1889ETE+ is typically between 0.8V and 5.5V.
Q: What is the output voltage range of the MAX1889ETE+? A: The output voltage range of the MAX1889ETE+ can be set from 2.5V to 5.5V using external resistors.
Q: What is the maximum output current of the MAX1889ETE+? A: The maximum output current of the MAX1889ETE+ is typically 200mA.
Q: Can the MAX1889ETE+ operate with a single-cell Li-ion battery? A: Yes, the MAX1889ETE+ can operate with a single-cell Li-ion battery as it supports input voltages as low as 0.8V.
Q: Does the MAX1889ETE+ have built-in overcurrent protection? A: Yes, the MAX1889ETE+ features built-in overcurrent protection to prevent damage to the device and the load.
Q: Is the MAX1889ETE+ suitable for portable devices like smartphones or tablets? A: Yes, the MAX1889ETE+ is suitable for portable devices as it provides efficient power conversion and supports low input voltages.
Q: Can the MAX1889ETE+ be used in automotive applications? A: Yes, the MAX1889ETE+ can be used in automotive applications as it can handle wide input voltage variations and has built-in protection features.
Q: Does the MAX1889ETE+ require external components for operation? A: Yes, the MAX1889ETE+ requires a few external components such as resistors, capacitors, and an inductor for proper operation.
Q: What is the typical efficiency of the MAX1889ETE+? A: The typical efficiency of the MAX1889ETE+ is around 90%, making it suitable for power-sensitive applications.
Please note that these answers are general and may vary depending on specific application requirements and conditions.