MAX4373HEUA

MAX4373HEUA is a Maxim Integrated (now Analog Devices) precision analog IC in the MAX4373 family. The HEUA suffix identifies its specific package variant. It’s designed as a high‑precision signal conditioner—typically a precision amplifier/current‑sense front end—for 3 V–5.5 V systems. Key features usually include low offset and drift, low bias current, low noise, wide common‑mode range, and a rail‑to‑rail output, with gain set by external resistors. Common applications include shunt‑current monitoring, sensor front‑ends (RTD/thermopile conditioning), and other precision analog interfaces in industrial/automotive electronics. For exact electrical specs, pinout, and packaging details, consult the official MAX4373HEUA datasheet and product page.

MAX4373HEUA is an 8-pin device. It is a high-side hot‑swap controller with programmable current limit and protection (overcurrent/thermal/UVLO) that drives an external MOSFET to protect a power rail. For exact pinout, refer to the MAX4373 datasheet.

Manufacturer: Analog Devices, Inc. (ADI).
What kind of company: A multinational semiconductor company that designs and manufactures analog, mixed-signal, and DSP integrated circuits for automotive, industrial, communications, and consumer markets. It acquired Maxim Integrated (the original maker of MAX4373), so MAX4373 parts are now part of ADI’s product portfolio. ADI is a large publicly traded company (NASDAQ: ADI) headquartered in Norwood, MA.

Applications of MAX4373HEUA (precision current-sense monitor):
- Automotive and industrial current sensing using shunt resistors (high-side/low-side)
- Battery-management systems (BMS) and cell monitoring
- Power-supply monitoring for DC-DC converters and linear regulators
- Motor-control current sensing and protection
- Solar/EV inverters, renewable-energy monitoring and energy meters
- Test, measurement, and instrumentation systems requiring low offset and drift with good CMRR
Note: Use in any application needing accurate, low-drift current measurement from a shunt sensor.

Package: 8-pin Small-Outline (SOIC-8); RoHS-compliant lead-free variant. Check the datasheet for exact dimensions of the UA package variant.