{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MAX4173FEUT","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"MAX4173FEUT","canonicalUrl":"https://icboms.com/analog-devices/MAX4173FEUT","factsUrl":"https://icboms.com/api/mcp/products/MAX4173FEUT","rawCanonicalId":null},"summary":{"shortDescription":"Maxim Integrated MAX4173FEUT, Current Sense Amplifier, 1 Circuit, 1.4 MHz -3dB Bandwidth, 300 µV Input Offset, SOT-23-6, -40°C to 85°C.","salesMarkdown":"The MAX4173FEUT is a single-channel current-sense amplifier from Maxim Integrated, designed to monitor current by amplifying the voltage drop across an external shunt resistor. It integrates the gain-setting resistors internally, so the output voltage is proportional to the sensed current with a fixed gain. The part is specified for a supply span from 3 V to 28 V, making it compatible with common industrial and telecom rails such as 5 V, 12 V, and 24 V. The -3 dB bandwidth is 1.4 MHz, which means it can track load transients in the tens-of-microseconds range — adequate for overcurrent detection and average-current monitoring in motor drives, power supplies, and battery-management systems. The input offset voltage is 300 µV, and the quiescent supply current is 420 µA. The 3 V to 28 V supply span is the headline selection parameter for this part. The 1.4 MHz bandwidth defines the fastest current step this amplifier can reproduce accurately. For a 100 kHz switching power supply, the average output current is captured cleanly, but the switching ripple itself will be attenuated. If you need to see sub-microsecond current spikes (e.g., in a GaN-based converter), a part with 10 MHz or higher bandwidth would be needed. The 300 µV input offset sets the minimum resolvable shunt voltage — with a 10 mΩ shunt, that offset corresponds to 30 mA of DC error, which is acceptable for most load-monitoring applications but may be too high for precision battery-charge counting. ## Temperature grade and environment This part is not qualified to AEC-Q100, so it is not recommended for automotive under-hood or chassis applications where extended temperature or reliability screening is required. For indoor power supplies, motor drives, and battery-management boards, the industrial range is sufficient.","metaTitle":"MAX4173FEUT Current Sense Amplifier, 1.4 MHz, SOT-23-6","metaDescription":"MAX4173FEUT current sense amplifier from Maxim Integrated. 1.4 MHz bandwidth, 3 V to 28 V supply, SOT-23-6. Active lifecycle, industrial temp.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"RoHS non-compliant","productStatus":"Active","categoryPath":["Logic ICs"],"specifications":{"Package":"Bulk","Mounting Type":"Surface Mount","-3db Bandwidth":"1.4 MHz","Amplifier Type":"Current Sense","Package / Case":"SOT-23-6","lifecycle_stage":"eol_hot","Current - Supply":"420µA","Number of Circuits":"1","Current - Input Bias":"100 µA","Operating Temperature":"-40°C ~ 85°C","Voltage - Input Offset":"300 µV","Supplier Device Package":"SOT-23-6","Voltage - Supply Span (Max)":"28 V","Voltage - Supply Span (Min)":"3 V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.53","stockQuantity":0,"priceTiers":[{"qty":197,"price":"$1.53000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/62a9caaa7d813a7270223a3926465291.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the bandwidth of MAX4173FEUT?","answer":"The -3 dB bandwidth is 1.4 MHz. This is suitable for monitoring average current in switching power supplies and motor drives, but not for capturing fast switching edges or sub-microsecond transients."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/MAX4173FEUT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/MAX4173FEUT when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}