Overview
The INA2191A1IYBJR is a high-precision, bidirectional current sense amplifier produced by Texas Instruments. Designed for applications requiring accurate current measurement, this component is widely used in systems where power monitoring and optimization are critical. It features a low input bias current and a wide common-mode voltage range, making it suitable for various industrial, automotive, and consumer electronics applications. The device is housed in a compact DSBGA-12 package, ensuring efficient use of board space.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Common-Mode Voltage Range | -0.2 to +40 | V | Independent of supply voltage |
| Supply Voltage | 1.7 to 5.5 | V | Single supply |
| Quiescent Current (Enabled) | 65 | µA | Maximum |
| Quiescent Current (Disabled) | 100 | nA | Typical |
| Gain Options | 25, 50, 100, 200, 500 | V/V | Fixed gains |
| Operating Temperature Range | -40 to +125 | °C | |
| Package | DSBGA-12 | Compact form factor |
Key Features
- High precision current measurement with low input bias current.
- Wide common-mode voltage range for versatile applications.
- Low power consumption with a quiescent current of 65 µA (enabled).
- Multiple fixed gain options for flexible design.
- Compact DSBGA-12 package for space-constrained applications.
Applications
The INA2191A1IYBJR is ideal for applications requiring precise current monitoring, such as battery management systems, power supplies, and industrial automation. Its ability to operate over a wide temperature range and its compact form factor make it suitable for automotive electronics, where reliability and space efficiency are paramount. Additionally, it is used in consumer electronics for power optimization and in closed-loop feedback circuits for enhanced system performance.
Q & A
What is the common-mode voltage range of the INA2191A1IYBJR?
The common-mode voltage range is from -0.2 V to +40 V, independent of the supply voltage.
What is the supply voltage range for this device?
The supply voltage range is 1.7 V to 5.5 V, operating on a single supply.
What is the quiescent current when the device is enabled?
The maximum quiescent current when enabled is 65 µA.
What is the quiescent current when the device is disabled?
The typical quiescent current when disabled is 100 nA.
What gain options are available?
Fixed gain options include 25 V/V, 50 V/V, 100 V/V, 200 V/V, and 500 V/V.
What is the operating temperature range?
The operating temperature range is from -40°C to +125°C.
What package does the INA2191A1IYBJR come in?
It is housed in a DSBGA-12 package.
What are the typical applications for this device?
Typical applications include battery management, power supplies, industrial automation, and automotive electronics.
Is this device suitable for space-constrained designs?
Yes, the compact DSBGA-12 package makes it ideal for space-constrained designs.
Can this device be used in high-temperature environments?
Yes, it operates reliably in temperatures ranging from -40°C to +125°C.
