MCP39F511NT-E/MQ Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
Microchip MCP39F511NT-E/MQ is a highly integrated dual-channel power monitor IC with 24-bit ADC resolution, supporting voltage, current, power, and energy measurement on two channels simultaneously. It communicates over UART and supports flexible calibration for accurate energy metering in AC and DC systems. Housed in a 28-pin QFN package for compact meter designs.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- MCP39F511NT-E/MQ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.5900(MOQ 100)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual-channel simultaneous power and energy measurement with 24-bit ADC resolution
- Measures real power, reactive power, apparent power, RMS voltage, and RMS current
- UART serial interface for easy host microcontroller integration
- Adjustable threshold with programmable alert outputs
- Accurate energy accumulation registers suitable for revenue-grade metering
- 28-pin QFN package for compact smart meter board layouts
- Wide operating temperature range: -40°C to +125°C
Applications
The MCP39F511NT-E/MQ is used in dual-channel AC/DC energy meters, smart plugs, power strip monitors, and industrial load-monitoring equipment where simultaneous measurement of two independent channels is required. It also appears in EV charging station power management modules and building energy management systems that need accurate watt-hour accumulation and threshold-based alerting without a separate MCU performing analog conversion.
Specifications
| Manufacturer Package Code | QFN-28 |
| Factory Lead Time | 5Weeks |
| YTEOL | 14 |
| Adjustable Threshold | YES |
| Analog IC - Other Type | VOLTAGE SUPERVISOR/RESET IC |
| JESD-30 Code | S-PQCC-N28 |
| JESD-609 Code | e3 |
| Number of Channels | 2 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC28,.2SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Screening Level | TS 16949 |
| Supply Voltage-Max (Vsup) | 3.6V |
| Supply Voltage-Min (Vsup) | 2.7V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MCP39F511NT-E/MQ:
Frequently Asked Questions
What measurands does MCP39F511NT-E/MQ compute per channel, and at what ADC resolution?
The MCP39F511NT-E/MQ computes RMS voltage, RMS current, real power, reactive power, apparent power, and accumulated energy (watt-hours) on each of its 2 channels using a 24-bit ADC. The high resolution enables accurate power measurement down to milliwatt levels, making it appropriate for revenue-grade or near-revenue-grade energy metering in smart plugs and sub-metering panels.
How does the dual-channel architecture of MCP39F511NT-E/MQ simplify a split-phase or two-load power monitor design?
With 2 independent measurement channels sharing a single IC, the MCP39F511NT-E/MQ allows both phases of a split-phase 120/240 V residential system, or two separate load circuits in an industrial panel, to be metered simultaneously. This eliminates the need for two separate power monitor ICs, reducing BOM by roughly half and saving PCB area compared to single-channel solutions.
What host interface does MCP39F511NT-E/MQ use, and how difficult is firmware integration?
The device communicates via a UART serial interface, which is supported by virtually every microcontroller family. A single UART port provides read access to all energy registers, threshold configuration, and calibration data. This low-overhead interface means firmware integration typically requires fewer than 200 lines of code, with no need for SPI or I2C drivers.
What is the expected product lifecycle and lead time for MCP39F511NT-E/MQ in a long-run production program?
The MCP39F511NT-E/MQ carries a YTEOL (Years to End-of-Life) rating of 14 years, confirming it is a long-lifecycle product suitable for smart meter programs with 10-year horizons. Factory lead time is 5 weeks, and the part is RoHS Pb-free (JESD-609 code e3). The 28-pin QFN tape-and-reel format supports automated high-volume SMT assembly.
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|---|---|---|
| 100+ | $2.7200 | $272.00 |
| 1000+ | $2.6200 | $2620.00 |
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