INA193AIDBVR

Current Regulation/Management Overview

The INA193AIDBVR is a high-side current shunt monitor manufactured by Texas Instruments, designed for precise current sensing in power management applications. It operates with a wide common-mode voltage range from -16 V to 80 V, allowing measurement across various supply rails. The device features a fixed gain of 20 V/V and supports a single channel within an SOT-23-5 package. Key electrical specifications include a maximum input offset voltage of 2 mV, a quiescent current of 700 µA, and a bandwidth of 500 kHz. It functions reliably within an operating temperature range of -40 °C to +125 °C.

Current Regulation/Management Feature Summary

• Supports high-side current sensing with a wide common-mode voltage range extending from negative potentials up to 80 V.
• Provides accurate current monitoring through a fixed internal gain of 20 V/V and low input offset voltage.
• Operates efficiently with low quiescent current consumption suitable for battery-powered systems.
• Delivers stable performance across industrial temperature ranges with high common-mode rejection capabilities.

Current Regulation/Management Applications

• Battery protection circuits in portable electronics
• Overcurrent protection in industrial motor drives
• Current monitoring in server and telecom power supplies
• Load switching control in automotive systems

Current Regulation/Management Procurement Notes

Verify the specific suffix DBVR corresponds to the SOT-23-5 surface-mount package configuration. Confirm that the A-grade accuracy meets the design requirements for offset voltage and gain error. Ensure compatibility with the target operating temperature range of -40 °C to +125 °C. Check for RoHS compliance status if environmental regulations apply to the final assembly. Validate pinout alignment with the schematic footprint to prevent installation errors.

Current Regulation/Management Selection Notes

Select this component when high-side sensing is required with voltages exceeding standard operational amplifier limits. The fixed 20 V/V gain simplifies resistor selection for downstream ADC interfaces. Consider the 500 kHz bandwidth for applications requiring moderate response speeds without excessive noise filtering complexity. The compact SOT-23-5 package is ideal for space-constrained PCB layouts where thermal dissipation is manageable.

Current Regulation/Management Part Context

This device belongs to the INA19x family of current shunt monitors from Texas Instruments. It shares architectural similarities with other members like the INA194 and INA195 but offers specific gain and precision characteristics tailored for general-purpose power monitoring. The family is widely used in industrial and automotive sectors for reliable current measurement.

Current Regulation/Management Replacement Considerations

INA193AIDBVTG4 is a verified equivalent variant within the same product line offering identical electrical specifications and functionality.

Current Regulation/Management FAQ

What is the maximum common-mode voltage supported by the INA193AIDBVR?

The device supports a common-mode voltage range from -16 V to 80 V, enabling high-side sensing on various bus voltages.

Does the INA193AIDBVR support low-side current sensing?

No, it is specifically designed as a high-side current shunt monitor, measuring voltage drops across a shunt resistor placed between the power source and the load.

What is the fixed gain of the INA193AIDBVR?

The device has a fixed internal gain of 20 V/V, which amplifies the differential input voltage for easier processing by downstream circuitry.