INA250A4PWR-3672767.jpg
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| Amplifier Type: | Current Sense |
| Output Type: | - |
| Slew Rate: | 0.2 V/?s |
| Gain Bandwidth Product: | 50kHz |
| Current - Input Bias: | 28?A |
| Voltage - Input Offset: | - |
| Current - Supply: | 200?A |
| Current - Output / Channel: | - |
| Voltage - Supply, Single/Dual (÷): | 2.7 V ~ 36 V |
| Operating Temperature: | -40▲C ~ 125▲C |
| Mounting Type: | Surface Mount |
| Package / Case: | 16-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package: | 16-TSSOP |
Introduction to INA250A4PWR
The INA250A4PWR is a high-performance, integrated current-sense amplifier with an analog-to-digital converter (ADC) from the renowned manufacturer Texas Instruments. It offers a compact and efficient solution for precise current measurement applications.
INA250A4PWR front and back
Key Features
Precision Current Sensing: The device has an integrated shunt resistor which allows for highly accurate current sensing across a wide range of conditions.
Analog-to-Digital Converter: The built-in 16-bit ADC provides digital output data, facilitating easy integration with microcontrollers or other digital systems.
Wide Input Range: With its broad input voltage range, it can operate effectively in various application environments.
Detailed Specifications
The INA250A4PWR operates within an input voltage range of 2.7V to 18V and delivers high accuracy over this entire span. Its on-chip shunt resistor is capable of handling currents up to ±500mA while maintaining excellent accuracy thanks to its low offset voltage characteristics. Furthermore, the internal ADC boasts impressive resolution at 16 bits and includes features such as programmable gain control and configurable conversion times that allow users to optimize performance based on their specific needs.
Application Areas
Solar Inverters: This product is ideal for solar inverters where precise monitoring of power and energy consumption is critical.
Battery Management Systems: It's also suitable for battery management systems where accurate charge/discharge measurements are needed.
Motors & Drives Control Systems: Due to its robustness against common-mode voltages, it's well-suited for motor control applications too.
Application Examples
Solar Inverter Systems
In solar inverter systems, the INA250A4PWR can be used to monitor the current flowing through the photovoltaic cells. By measuring this current and combining it with other data such as voltage, users can accurately calculate power generation and energy consumption. This information is vital for optimizing system performance and ensuring efficient operation of the solar panels.
Battery Management Systems (BMS)
The INA250A4PWR is highly valuable in battery management systems where precise measurement of charge/discharge currents is required. The device's high accuracy allows for improved tracking of a battery's state of charge (SoC), thereby enhancing overall system reliability and longevity. It also aids in detecting any abnormal conditions like overcurrent events that could potentially damage the batteries.
Motor Control Applications
Motors & drives control systems often require accurate sensing of motor phase currents for proper functioning. Here, INA250A4PWR comes into play by providing precise real-time measurements necessary for effective control algorithms implementation. Its robustness against common-mode voltages makes it an excellent choice even under harsh operating conditions typically associated with industrial motor applications.
Power Supply Design
In power supply design, especially switch-mode power supplies (SMPS), there's a need to measure output current precisely to ensure stable operation and implement protection mechanisms effectively. With its built-in shunt resistor and ADC, INA250A4PWR offers a simple yet reliable solution for these needs while reducing component count on board designs.
In Stock TI INA250A4PWR
Texas Instruments is the manufacturer of the INA250A4PWR, which is available in stock at Nantian. The reference price for INA250A4PWR can be found by referring to infineon tech or Nantian's listings. For detailed parameters and understanding its functionality, you can refer to the INA250A4PWR datasheet PDF and pin diagram description that are available for download.
The INA250A4PWR has a wide range of applications as outlined in DSP Datasheet PDF. To further understand how it works, you can find usage methods along with circuit diagrams within these resources. For comprehensive electronics tutorials on using this component, these documents should prove highly beneficial.
INA250A4PWR spot picture
All relevant information including datasheets, pin diagrams, circuit diagrams and tutorials related to INA250A4PWR could be downloaded from Nantian's platform.