Overview
The INA203AIPWR is a high-side current shunt monitor produced by Texas Instruments. It is designed to accurately measure current, voltage, and power in various electronic systems. This device belongs to the category of current sense amplifiers and is widely used in applications requiring precise current monitoring. Its market positioning targets engineers and designers in industries such as industrial automation, automotive, and consumer electronics. The INA203AIPWR stands out for its high accuracy, low offset voltage, and wide input voltage range, making it a competitive choice for current sensing solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2.7 to 26 | V | Operating range |
| Input Common-Mode Voltage | -0.3 to 26 | V | Wide range |
| Gain | 20, 50, 100 | V/V | Selectable |
| Offset Voltage | ±25 | µV | Max at 25°C |
| Bandwidth | 500 | kHz | Typical |
| Operating Temperature | -40 to 125 | °C | Wide range |
| Package | TSSOP-8 | - | Compact form factor |
Key Features
- High Accuracy: Low offset voltage ensures precise current measurements.
- Wide Input Voltage Range: Supports applications with varying voltage levels.
- Selectable Gain: Three gain options (20, 50, 100 V/V) for flexibility.
- Compact Package: TSSOP-8 package saves board space.
- Robust Performance: Operates reliably in harsh environments (-40°C to 125°C).
Applications
The INA203AIPWR is ideal for a variety of applications, including:
- Industrial Automation: Monitoring motor currents and power consumption.
- Automotive Electronics: Battery management and load monitoring.
- Consumer Electronics: Power supply and battery monitoring in portable devices.
- Telecommunications: Current sensing in power amplifiers and base stations.
Q & A
1. What is the operating voltage range of the INA203AIPWR?
The INA203AIPWR operates from 2.7V to 26V.
2. Can the INA203AIPWR measure negative currents?
No, it is designed for high-side current sensing and cannot measure negative currents.
3. What are the gain options available?
The gain options are 20, 50, and 100 V/V.
4. What is the maximum offset voltage?
The maximum offset voltage is ±25 µV at 25°C.
5. Is the INA203AIPWR suitable for automotive applications?
Yes, it is robust and operates reliably in automotive environments.
6. What is the bandwidth of the INA203AIPWR?
The typical bandwidth is 500 kHz.
7. Can it operate in high-temperature environments?
Yes, it operates in a temperature range of -40°C to 125°C.
8. What package does the INA203AIPWR come in?
It comes in a TSSOP-8 package.
9. Does it require external components for operation?
It requires minimal external components, typically a shunt resistor.
10. Is the INA203AIPWR RoHS compliant?
Yes, it is RoHS compliant.
