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TPS2814DR
Product Overview
Category: Integrated Circuit
Use: Gate Driver
Characteristics: High-speed, low-power, dual-output, and high-voltage gate driver
Package: SOIC-8
Essence: Efficiently drives both high-side and low-side N-channel MOSFETs in a half-bridge configuration
Packaging/Quantity: Tape and Reel (2500 units per reel)
Specifications
- Supply Voltage: 4.5V to 18V
- Output Current: ±2A peak
- Propagation Delay: 25ns
- Operating Temperature Range: -40°C to 125°C
- Isolation Rating: 2.5kV RMS
Detailed Pin Configuration
The TPS2814DR has the following pin configuration: 1. VDDA: High-side gate drive supply voltage 2. OUTA: High-side gate drive output 3. COMA: High-side gate drive return 4. INB: Low-side input 5. GND: Ground 6. COMB: Low-side gate drive return 7. OUTB: Low-side gate drive output 8. VDDB: Low-side gate drive supply voltage
Functional Features
- Dual-output gate driver
- Wide supply voltage range
- Fast propagation delay
- High output current capability
- Low power consumption
Advantages and Disadvantages
Advantages: - High-speed and efficient switching - Wide operating temperature range - Isolation rating for enhanced safety
Disadvantages: - Limited output current compared to some alternatives - Higher cost compared to basic gate drivers
Working Principles
The TPS2814DR is designed to efficiently drive both high-side and low-side N-channel MOSFETs in a half-bridge configuration. It provides fast and reliable switching of the MOSFETs, enabling efficient power conversion in various applications.
Detailed Application Field Plans
The TPS2814DR is suitable for a wide range of applications including: - Motor drives - Power inverters - DC-DC converters - Industrial automation systems - Solar inverters
Detailed and Complete Alternative Models
Some alternative models to TPS2814DR include: - IRS21844S: Similar dual-output gate driver with higher output current capability - FAN7382: Dual-output gate driver with integrated bootstrap diode for simplified design - MCP14E4: Lower-cost dual-output gate driver with comparable performance
This comprehensive overview provides detailed information about the TPS2814DR, its specifications, features, application field plans, and alternative models, making it a valuable reference for engineers and professionals in the field of power electronics.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng TPS2814DR trong giải pháp kỹ thuật
What is the TPS2814DR used for?
- The TPS2814DR is a high-speed power distribution switch designed to provide protection to systems by limiting the current through the input power path.
What is the maximum voltage rating of the TPS2814DR?
- The TPS2814DR has a maximum voltage rating of 28V, making it suitable for various low-voltage applications.
What is the typical current limit of the TPS2814DR?
- The TPS2814DR has a typical current limit of 400mA, which allows it to protect downstream components from overcurrent conditions.
How does the TPS2814DR protect against overcurrent conditions?
- The TPS2814DR utilizes a fast-acting current limit to protect downstream components from overcurrent conditions, helping to prevent damage to the system.
Can the TPS2814DR be used in automotive applications?
- Yes, the TPS2814DR is suitable for automotive applications due to its robust design and ability to handle transient voltage events commonly found in automotive environments.
What is the thermal shutdown temperature of the TPS2814DR?
- The TPS2814DR features a built-in thermal shutdown function that activates when the junction temperature exceeds 165°C, protecting the device from overheating.
Does the TPS2814DR have reverse polarity protection?
- Yes, the TPS2814DR includes reverse polarity protection, safeguarding the system from potential damage caused by reverse voltage connections.
What is the quiescent current of the TPS2814DR?
- The TPS2814DR has a low quiescent current of 10µA, minimizing power consumption when the device is in standby mode.
Is the TPS2814DR available in different package options?
- Yes, the TPS2814DR is available in a small, space-saving SON package, making it suitable for compact designs and PCB layouts.
Can the TPS2814DR be used in battery-powered applications?
- Yes, the TPS2814DR is well-suited for battery-powered applications, offering efficient power management and protection for portable devices and battery-operated systems.