{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LMP8646MKE/NOPB","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LMP8646MKE-NOPB","canonicalUrl":"https://icboms.com/texas-instruments/LMP8646MKE-NOPB","factsUrl":"https://icboms.com/api/mcp/products/LMP8646MKE%2FNOPB","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments LMP8646MKE/NOPB, current sense amplifier, 1 circuit, SOT-23-6 Thin, TSOT-23-6 package, 0.5V/µs slew rate, 2.1 mA supply current, -40°C to 125°C operating temperature.","salesMarkdown":"It is designed to measure current by sensing the voltage drop across a shunt resistor, converting it to a ground-referenced output. With an input offset voltage of 1 mV and input bias current of 12.5 µA, it delivers adequate accuracy for motor current monitoring, power supply load detection, and battery management in industrial and automotive environments rated -40°C to 125°C. ## Supply voltage range and system compatibility The 2.7 V minimum supply means the LMP8646MKE/NOPB can run from a 3.3 V rail with margin, and the 12 V maximum covers 12 V industrial buses. This span covers the majority of common analog supply voltages without needing an extra regulator. The 2.1 mA supply current is moderate — budget it in the system power budget, but it is not a low-power part for battery-operated designs. ## Slew rate and bandwidth — what 0.5 V/µs means for your measurement The 0.5 V/µs slew rate is modest. This part is intended for DC or slowly varying current sensing — think average load current monitoring, overcurrent detection, or battery charging current. It is not suited for capturing fast transient events like inrush spikes or switching regulator load steps. If your application needs to track sub-millisecond current changes, look at a faster current sense amplifier. ## Package and footprint: SOT-23-Thin The LMP8646MKE/NOPB is offered in a SOT-23-6 Thin package (also referred to as TSOT-23-6). This is a small, surface-mount package suitable for space-constrained designs. The thin profile helps in low-height applications. ## Lifecycle and sourcing posture It is ROHS3 compliant.","metaTitle":"LMP8646MKE/NOPB Current Sense Amplifier, 0.5V/µs Slew Rate","metaDescription":"Texas Instruments LMP8646MKE/NOPB single-channel current sense amplifier. 2.7 V to 12 V supply, 0.5V/µs slew rate, SOT-23-Thin package.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Logic ICs"],"specifications":{"Package":"Tape & Reel (TR); Cut Tape (CT)","Slew Rate":"0.5V/µs","Mounting Type":"Surface Mount","Amplifier Type":"Current Sense","Package / Case":"SOT-23-6 Thin, TSOT-23-6","lifecycle_stage":"eol_hot","Current - Supply":"2.1mA","Number of Circuits":"1","Current - Input Bias":"12.5 µA","Operating Temperature":"-40°C ~ 125°C","Voltage - Input Offset":"1 mV","Supplier Device Package":"SOT-23-THIN","Current - Output / Channel":"5 mA","Voltage - Supply Span (Max)":"12 V","Voltage - Supply Span (Min)":"2.7 V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.08","stockQuantity":0,"priceTiers":[{"qty":145,"price":"$2.07000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/8840f7f65a6fdc27125f6ae9e2b909c0.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is LMP8646MKE/NOPB compatible with 5V systems?","answer":"Yes, the 2.7 V to 12 V supply range includes 5 V. The part operates correctly on a 5 V rail."},{"question":"When sourcing LMP8646MKE/NOPB, what's the closest functional second-source?","answer":"The INA254A1IPWAR is a zero-drift current sense amplifier with a 350 kHz bandwidth and 2.4 V/µs slew rate, also in a surface-mount package. It is a functional alternative with higher bandwidth and lower input bias current, but verify the pinout and supply voltage range for your specific design."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LMP8646MKE-NOPB","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LMP8646MKE-NOPB 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}}