CS30BL

Instrumentation, Op Amps, Buffer Amps Overview

The CS30BL is a high-side current sense amplifier manufactured by STMicroelectronics. It measures differential voltage across a shunt resistor and provides a ground-referenced output. Key electrical parameters include an operating common-mode voltage range of 2.8 V to 30 V, with a surviving range up to 60 V. The supply voltage operates between 4 V and 24 V. Quiescent current consumption is maximized at 300 μA. The device features internally fixed gain options of 20 V/V, 50 V/V, or 100 V/V. It utilizes a SOT-23-5 surface-mount package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Independent power supply and input common-mode voltage domains allow flexible circuit topology.
• Wide common-mode voltage range supports operation in high-voltage environments.
• Low quiescent current consumption minimizes power loss in battery-operated systems.
• Buffered output ensures stable signal transmission to downstream components.

Instrumentation, Op Amps, Buffer Amps Applications

• High-side current monitoring in industrial control systems
• Battery management systems for electric vehicles
• Power supply overcurrent protection circuits

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific gain variant (20 V/V, 50 V/V, or 100 V/V) required for the application, as the base part number may denote different internal configurations. Confirm the SOT-23-5 package compatibility with the target PCB footprint. Ensure the design accounts for the absolute maximum common-mode voltage rating of 60 V to prevent damage during load-dump events.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select the CS30BL when independent supply and common-mode voltages are necessary. Choose this component for applications requiring low static current draw and robust high-side sensing capabilities. Evaluate the fixed gain options against the expected shunt voltage drop to ensure adequate signal resolution without external amplification.

Instrumentation, Op Amps, Buffer Amps Part Context

The CS30 belongs to a family of high-side current sense amplifiers designed for precision measurement in demanding electrical environments. These devices integrate fixed-gain amplifiers within compact packages to simplify board layout. The series emphasizes reliability under varying common-mode conditions while maintaining low power consumption profiles suitable for energy-efficient designs.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Consult official STMicroelectronics documentation for qualified pin-to-pin replacements. Verify that any substitute component matches the SOT-23-5 package dimensions and maintains equivalent common-mode voltage ranges and gain specifications.