STMicroelectronics STEVAL-ISQ007V1

Overview

STEVAL-ISQ007V1 from STMicroelectronics is a high-side current-sense amplifier demonstration board built around the TSC101 IC, designed to measure millivolt-level shunt voltage drops and deliver ground-referenced output signals with fixed gains of 20 V/V, 50 V/V, or 100 V/V. It supports independent supply and input common-mode voltages, operates from 4 V to 24 V supply, withstands up to 60 V load-dump transients, and draws ≤300 µA quiescent current - ideal for automotive battery monitoring and industrial power rail sensing.

For engineers reviewing the STEVAL-ISQ007V1 datasheet, STEVAL-ISQ007V1 pinout, STEVAL-ISQ007V1 application, or STEVAL-ISQ007V1 equivalent, this board enables rapid validation of high-side current sensing in 12 V/24 V systems, evaluation of TSC101's common-mode rejection under load-dump stress, verification of low-power operation across temperature, and comparison of gain variants (A/B/C) in real-world shunt configurations.

Technical Context

The board implements the TSC101 high-side current-sense amplifier in a fully assembled, test-ready configuration with VP, VM, VCC, OUT, and GND terminals accessible via headers J1–J4. It decouples supply and signal paths using C1 and R1/R2, enabling stable operation across its 2.8 V–30 V operating common-mode range and −0.3 V–60 V survival range.

Designed for direct integration into prototype power stages, the board uses no external gain-setting components - all three TSC101 variants (A/B/C) are supported via component selection on the same PCB layout, preserving layout integrity while allowing gain flexibility without redesign.

Key Specifications

Availability

STEVAL-ISQ007V1 is available at Aetrix Electronics and suitable for automotive battery management, industrial DC power supply monitoring, motor drive current feedback, and energy metering applications requiring stable component supply and fast evaluation turnaround.

Supply support for STEVAL-ISQ007V1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing microcontrollers, analog ICs, power management devices, and evaluation tools for industrial, automotive, and consumer markets.

This board belongs to ST's STEVAL (ST Evaluation) series - purpose-built reference platforms that accelerate design-in of ST analog and power ICs through validated schematics, layout files, and application-specific test points.

FAQ

What is the function of J2 and J3 on STEVAL-ISQ007V1?

J2 and J3 are screw-terminal blocks labeled "Current_in" and "Current_out", respectively. They provide robust, field-wireable connections to the high-side shunt resistor path - current flows from J2 through the shunt (R1) to J3, enabling measurement of load current without breaking ground. Their 3.5 mm pitch accommodates up to 12 AWG wire for high-current testing.

Can STEVAL-ISQ007V1 be used with TSC101 variants other than the one populated?

Yes - the board supports TSC101A (20 V/V), TSC101B (50 V/V), and TSC101C (100 V/V) via footprint-compatible placement. The populated variant determines gain; swapping ICs requires rework but retains full functionality, as all variants share identical pinout, supply, and common-mode specifications per ST's datasheet.

Does STEVAL-ISQ007V1 include overvoltage protection on the output?

No - the board delivers the TSC101's buffered analog output directly at the OUT pin (J1 pin 4) with no added clamping or series resistance. Users must interface with an ADC or comparator having appropriate input voltage limits; ST recommends adding external 10 kΩ series resistance and 3.3 V Zener clamp if connecting to 3.3 V logic.

Is there a bill of materials (BOM) available for STEVAL-ISQ007V1?

Yes - ST provides the complete BOM, schematic (Figure 1), and PCB layout files in the official STEVAL-ISQ007V1 Data Brief (Rev 1, Feb 2009). The BOM lists all passives (R1, R2, C1), terminal blocks (J1–J4), and the TSC101 IC variant installed, with manufacturer part numbers and footprints aligned to ST's recommended design practices.