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Texas Instruments MSP430FR6047IPZR
- Part No.:
- MSP430FR6047IPZR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MSP430FR6047IPZR.pdf
- Description:
- IC MCU 16BIT 256KB FRAM 100LQFP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MSP430FR6047IPZR from Texas Instruments is an ultrasonic sensing system-on-chip (SoC) microcontroller optimized for battery-powered water metering. It integrates a dedicated ultrasonic sensing solution (USS) with <25-ps differential time-of-flight accuracy, 12-bit sigma-delta ADC up to 8 Msps, and 256KB FRAM nonvolatile memory. It achieves ~3 µA system current at one measurement per second in water-flow applications compliant with ISO 4064 and EN 1434.
For engineers reviewing the MSP430FR6047IPZR datasheet, MSP430FR6047IPZR pinout, MSP430FR6047IPZR application, or MSP430FR6047IPZR equivalent, key selection criteria include ultrasonic time-of-flight resolution, integrated USS analog front end, FRAM endurance (10¹⁵ write cycles), LPM3.5 RTC current (450 nA), and MTIF pulse generation capability (up to 1016 p/s).
Technical Context
The MSP430FR6047IPZR implements a fully integrated ultrasonic sensing signal chain: programmable pulse generator (PPG) drives transducers up to 2.5 MHz; low-impedance (4-Ω) PHY ensures precise impedance matching; PGA offers –6.5 dB to 30.8 dB gain; and SDHS ADC delivers 12-bit resolution at 8 Msps for high-fidelity echo capture.
Digital processing leverages the Low-Energy Accelerator (LEA) - a hardware FFT engine operating independently of the CPU - enabling 256-point complex FFT up to 40× faster than the 16-MHz CPUXV2 core, while maintaining ultra-low-power operation in LPM3.5 (450 nA) with RTC active.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| dTOF Accuracy | <25 ps - enables sub-liter-per-hour flow detection and meets ISO 4064 Class C accuracy requirements. |
| USS ADC Rate | Up to 8 Msps - supports high-resolution time-of-flight measurement with <5 ps timing resolution. |
| FRAM Size | 256 KB - unified nonvolatile memory for program, data, and logging without wear leveling overhead. |
| LPM3.5 Current | 450 nA (RTC active) - enables >10-year battery life in smart water meters with daily wake-up and measurement. |
| MTIF Pulse Rate | Up to 1016 pulses/s - supports high-resolution flow pulse output compatible with utility billing infrastructure. |
| LEA FFT Speed | 256-pt complex FFT up to 40× faster than CPU - offloads signal processing to reduce active-mode duration and power. |
| Supply Range | 1.8 V to 3.6 V - accommodates declining battery voltage over full service life without external regulators. |
Pinout & Package
The MSP430FR6047IPZR is housed in a 100-pin LQFP (PZ) package measuring 14 mm × 14 mm, with dedicated ultrasonic I/O pins (CH0_IN/CH0_OUT, CH1_IN/CH1_OUT), USS crystal terminals (USSXTIN/USSXTOUT), and metering test interface signals (MTIF_OUT_IN, MTIF_PIN_EN).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CH0_IN / CH1_IN | Ultrasonic echo input | Differential analog inputs to SDHS ADC; support direct connection to transducer receive paths with programmable PGA gain. |
| CH0_OUT / CH1_OUT | Ultrasonic excitation output | Low-impedance (4-Ω) PHY outputs driven by PPG; enable precise burst control for zero-flow drift minimization. |
| USSXTIN / USSXTOUT | USS oscillator reference | Connects to dedicated 3.7-pF crystal for ultra-stable USS timing base; independent of main LFXT/HFXT clocks. |
| MTIF_OUT_IN | Metering pulse output/input | Configurable as open-drain pulse output (flow indication) or input for external pulse counting; operates in LPM3.5 at 200 nA. |
| MTIF_PIN_EN | MTIF enable control | Activates/deactivates MTIF module; allows dynamic power gating to eliminate leakage during deep sleep. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated USS Module | Combines PPG, 4-Ω PHY, PGA, and 8-Msps SDHS ADC - eliminates 12+ external components vs discrete solutions. |
| FRAM Memory | 256 KB with 125 ns write speed and 10¹⁵ endurance - enables frequent sensor data logging without flash wear-out concerns. |
| Low-Energy Accelerator (LEA) | Hardware FFT coprocessor sharing 4 KB RAM with CPU - reduces active-mode time by >90% for echo processing tasks. |
| Metering Test Interface (MTIF) | Pulse generator + counter with 16-bit capacity and LPM3.5 operation - provides certified flow pulse output without MCU wake-up. |
| Ultrasonic Compliance | Validated against ISO 4064, OIML R49, and EN 1434 - enables direct certification path for commercial water meters. |
Applications
| Ultrasonic Smart Water Meter | Ultrasonic Smart Heat Meter |
|---|---|
Use Scenario: Residential/commercial cold/hot water consumption measurement with tamper resistance and 10+ year battery life. IC Role / Device Role / Timing Role: Primary SoC performing ultrasonic time-of-flight calculation, flow computation, data logging, and pulse output via MTIF. Use Value: Achieves Class C accuracy per ISO 4064 with <1 L/h minimum detectable flow and 450 nA RTC current in LPM3.5. | Use Scenario: Thermal energy measurement in district heating systems using dual ultrasonic transducers on supply/return lines. IC Role / Device Role / Timing Role: Dual-channel USS controller synchronizing measurements across two transducer pairs; computes Δt and temperature-corrected flow. Use Value: Enables simultaneous high-precision dTOF acquisition on CH0 and CH1 with shared 8-Msps SDHS ADC and LEA-based correlation. |
| Liquid Level Sensing | Water Leak Detector |
Use Scenario: Non-contact tank level monitoring in industrial or agricultural storage tanks using single-transducer time-of-flight. IC Role / Device Role / Timing Role: Ultrasonic pulse-echo controller generating bursts, capturing return echoes, and computing distance via dTOF. Use Value: Leverages <5 ps timing resolution and PGA gain control to resolve millimeter-level level changes in noisy environments. | Use Scenario: Continuous low-power monitoring of pipe vibration, acoustic emission, or micro-leak signatures in smart building infrastructure. IC Role / Device Role / Timing Role: Always-on ultrasonic receiver sampling at ultra-low duty cycle; triggers full analysis only on anomaly detection. Use Value: Uses 3 µA average current (1 measurement/s) and FRAM-based event logging to support multi-year unattended operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultrasonic sensing microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430FR60471IPZR | I²C-capable BSL; identical USS, FRAM, LEA, and MTIF specs; differs only in bootloader interface. | Preferred where I²C-based field firmware updates are required; same metrology performance and pinout. | Select when I²C BSL is mandated for secure remote programming; otherwise functionally interchangeable. |
| MSP430FR6037IPZR | No USS module; lacks PPG, PHY, CHx_IN/CHx_OUT pins, and USSXT crystal interface; retains FRAM, LEA, MTIF, and ADC12_B. | Suitable for non-ultrasonic metering (e.g., magnetic or turbine flow sensors) requiring FRAM and low-power peripherals. | Choose only if ultrasonic sensing is not needed; not a functional substitute for MSP430FR6047IPZR in TOF applications. |
Compared with MSP430FR60471IPZR, the MSP430FR6047IPZR offers UART BSL instead of I²C - simplifying host-side update logic but limiting multi-drop programming. Against MSP430FR6037IPZR, it adds full USS hardware, enabling direct transducer interfacing and sub-25-ps dTOF measurement impossible on the FR6037.
Availability
MSP430FR6047IPZR is available at Aetrix Electronics and suitable for ultrasonic water metering, heat metering, liquid level sensing, and leak detection applications requiring stable component supply, long-term lifecycle support, and metrology-grade accuracy certification.
Supply support for MSP430FR6047IPZR 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
Texas Instruments is a global semiconductor leader delivering analog, embedded processing, and connectivity technologies with emphasis on energy efficiency and system integration.
The MSP430FR6047IPZR belongs to TI's ultrasonic sensing SoC product line, designed specifically to replace discrete ultrasonic metering signal chains with a single-chip solution meeting international water metering standards.
FAQ
What is the primary function of the MSP430FR6047IPZR in ultrasonic water metering systems?
The MSP430FR6047IPZR serves as a complete ultrasonic sensing SoC, integrating all critical functions: programmable pulse generation for transducer excitation, low-impedance PHY for optimal impedance matching, high-speed 12-bit sigma-delta ADC for echo digitization, and LEA-accelerated digital signal processing for time-of-flight calculation. It enables certified ISO 4064 Class C water metering with <1 L/h minimum detectable flow and ultra-low power operation - all within a single MSP430FR6047IPZR device.
Does the MSP430FR6047IPZR support direct connection to standard ultrasonic transducers?
Yes, the MSP430FR6047IPZR supports direct interface to industry-standard ultrasonic transducers operating up to 2.5 MHz. Its integrated USS module includes a 4-Ω output driver (PHY), programmable pulse generator (PPG), and configurable PGA - eliminating external amplifiers, drivers, and matching networks. Transducers connect directly to CH0_IN/CH0_OUT and CH1_IN/CH1_OUT pins, with USSXTIN/USSXTOUT supporting a dedicated 3.7-pF crystal for timing stability in the MSP430FR6047IPZR.
How does the Low-Energy Accelerator (LEA) improve ultrasonic measurement performance in the MSP430FR6047IPZR?
The LEA in the MSP430FR6047IPZR is a dedicated hardware FFT engine that performs 256-point complex FFT up to 40× faster than the CPU, while operating independently and sharing 4 KB RAM. This offloads computationally intensive echo correlation and spectral analysis from the 16-MHz CPUXV2 core, reducing active-mode duration and total energy per measurement - a critical advantage for battery-powered meters where the MSP430FR6047IPZR must sustain >10 years of operation on a single coin cell.
What metrology standards does the MSP430FR6047IPZR help satisfy?
The MSP430FR6047IPZR is engineered to support compliance with ISO 4064 (water meters), OIML R49 (heat meters), and EN 1434 (heat meters) - verified through its <25-ps differential time-of-flight accuracy, ability to detect flows below 1 L/h, and robust zero-flow drift compensation enabled by the USS module's matched PPG-PHY-ADC signal chain. These capabilities are documented in TI's metrology validation reports and form the basis for certified meter designs using the MSP430FR6047IPZR.
Can the MSP430FR6047IPZR operate from a declining battery voltage over its full service life?
Yes, the MSP430FR6047IPZR operates across a wide supply range of 1.8 V to 3.6 V, allowing direct connection to standard 3.6-V lithium-thionyl chloride batteries without regulation. Its supply-voltage supervisor (SVS) thresholds and ultra-low-power modes - including 450 nA LPM3.5 with RTC active - ensure reliable operation throughout the battery's discharge curve. This design enables >10-year field life in water meters, a key requirement met by the MSP430FR6047IPZR's architecture.
MSP430FR6047IPZR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 100-LQFP
- Series:
- MSP430™ FRAM
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPUXV2
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- I2C, IrDA, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT
- Number of I/O:
- 76
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FRAM
- EEPROM Size:
- -
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 18x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430FR6047IPZR FAQ
1.How can I place an order for MSP430FR6047IPZR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR6047IPZR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MSP430FR6047IPZR reliable?
The price and inventory of MSP430FR6047IPZR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR6047IPZR is usually 5 days.
3.What payment methods are accepted for MSP430FR6047IPZR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR6047IPZR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR6047IPZR?
MSP430FR6047IPZR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR6047IPZR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MSP430FR6047IPZR?
For technical support, including MSP430FR6047IPZR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR6047IPZR requirements.
6.How does Aetrix verify that MSP430FR6047IPZR is sourced from the original manufacturer or authorized distributors?
All MSP430FR6047IPZR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MSP430FR6047IPZR meets industry standards.
7.What is the process for return or replacement of MSP430FR6047IPZR?
All MSP430FR6047IPZR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR6047IPZR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MSP430FR6047IPZR part is unused and in its original packaging.
Return procedure for MSP430FR6047IPZR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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