INA250A3PWR
Product Overview
Category: Integrated Circuit (IC)
Use: The INA250A3PWR is a high-side current shunt and voltage monitor IC. It is designed to accurately measure current and voltage in various applications.
Characteristics: - High accuracy - Low offset voltage - Wide input voltage range - Small package size - Low power consumption
Package: TSSOP-8
Essence: The INA250A3PWR is an essential component for precise current and voltage measurements in electronic systems.
Packaging/Quantity: The INA250A3PWR is typically sold in reels of 2500 units.
Specifications
- Supply Voltage Range: 2.7V to 5.5V
- Operating Temperature Range: -40°C to +125°C
- Current Measurement Range: ±80A
- Voltage Measurement Range: 0V to 80V
- Gain Error: ±0.5%
- Offset Voltage: ±100µV
- Bandwidth: 200kHz
Pin Configuration
The INA250A3PWR has the following pin configuration:
- V+ (Positive Power Supply)
- V- (Negative Power Supply)
- OUT (Output Voltage)
- REF (Reference Voltage)
- IN+ (Positive Current/Voltage Input)
- IN- (Negative Current/Voltage Input)
- SET (Gain Setting)
- NC (No Connection)
Functional Features
- High-side current sensing
- Voltage monitoring
- Programmable gain
- Overcurrent detection
- Overvoltage detection
- Fault detection and reporting
Advantages and Disadvantages
Advantages: - High accuracy measurements - Wide input voltage range - Small package size allows for space-saving designs - Low power consumption
Disadvantages: - Limited current measurement range compared to some other models - Requires external components for complete functionality
Working Principles
The INA250A3PWR operates based on the principle of measuring voltage across a shunt resistor. It amplifies the small voltage drop across the shunt resistor and provides an output proportional to the measured current or voltage.
Detailed Application Field Plans
The INA250A3PWR finds applications in various fields, including but not limited to: 1. Battery management systems 2. Power supplies 3. Motor control 4. Solar energy systems 5. Automotive electronics
Detailed and Complete Alternative Models
- INA219AIDCNR
- INA226AIDGSR
- INA240AIDGST
- INA260AIDGST
- INA280AIDBVT
These alternative models offer similar functionalities and can be considered as alternatives to the INA250A3PWR depending on specific requirements.
In conclusion, the INA250A3PWR is a highly accurate and versatile IC used for current and voltage measurements. Its small package size and low power consumption make it suitable for various applications. However, it has a limited current measurement range and requires additional components for complete functionality.
기술 솔루션에 INA250A3PWR 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of INA250A3PWR in technical solutions:
Q: What is the INA250A3PWR? A: The INA250A3PWR is a high-side current shunt and power monitor IC that can accurately measure current and voltage in various applications.
Q: What is the operating voltage range of the INA250A3PWR? A: The INA250A3PWR operates from a single supply voltage ranging from 2.7V to 5.5V.
Q: Can the INA250A3PWR measure both positive and negative currents? A: No, the INA250A3PWR can only measure positive currents flowing through the shunt resistor.
Q: How accurate is the current measurement of the INA250A3PWR? A: The INA250A3PWR has a typical accuracy of ±0.5% for current measurements.
Q: What is the maximum current that the INA250A3PWR can measure? A: The INA250A3PWR can measure currents up to ±5A.
Q: Does the INA250A3PWR have built-in overcurrent protection? A: No, the INA250A3PWR does not have built-in overcurrent protection. External circuitry may be required for overcurrent protection.
Q: Can the INA250A3PWR measure voltage as well? A: Yes, the INA250A3PWR can measure the voltage across the shunt resistor.
Q: What is the output interface of the INA250A3PWR? A: The INA250A3PWR provides a voltage output proportional to the measured current or voltage.
Q: Can the INA250A3PWR be used in battery monitoring applications? A: Yes, the INA250A3PWR is commonly used in battery monitoring applications to measure charging and discharging currents.
Q: Is there any special consideration for PCB layout when using the INA250A3PWR? A: Yes, it is recommended to keep the shunt resistor and the INA250A3PWR close together on the PCB to minimize noise and parasitic resistance effects.
Please note that these answers are general and may vary depending on the specific application and requirements.