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CS30BL
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Product Detailed Parameters
- Description：IC CURR SENSE 1 CIRCUIT SOT23-5
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Amplifier Type：Current Sense
- Number of Circuits：1
- Output Type：-
- Slew Rate：0.9V/µs
- Gain Bandwidth Product：-
- Current - Input Bias：5.5 µA
- Voltage - Input Offset：200 µV
- Current - Supply：165µA
- Current - Output / Channel：60 mA
- Voltage - Supply Span (Min)：4 V
- Voltage - Supply Span (Max)：24 V
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- -3db Bandwidth：670 kHz
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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.
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.
Applications
- High-side current monitoring in industrial control systems
- Battery management systems for electric vehicles
- Power supply overcurrent protection circuits
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.
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.
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.
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.
