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Texas Instruments MSP430FR6037IPZ
- Part No.:
- MSP430FR6037IPZ
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MSP430FR6037IPZ.pdf
- Description:
- IC MCU 16BIT 256KB FRAM 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,637
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Product details
Overview
MSP430FR6037IPZ from Texas Instruments is an ultrasonic sensing SoC MCU optimized for battery-powered water metering, featuring integrated Ultrasonic Sensing Solution (USS), 256KB FRAM, 8KB RAM, and <25-ps dTOF accuracy with ~3-µA system current per measurement. It supports ISO 4064/EN 1434 compliance and direct 2.5-MHz transducer interfacing.
For engineers reviewing the MSP430FR6037IPZ datasheet, MSP430FR6037IPZ pinout, MSP430FR6037IPZ application, or MSP430FR6037IPZ equivalent, key selection criteria include ultrasonic time-of-flight precision, LEA-accelerated FFT performance, LPM3.5 RTC operation at 450 nA, and USS channel count versus competing metering MCUs.
Technical Context
The MSP430FR6037IPZ implements a dedicated ultrasonic sensing subsystem (USS) comprising programmable pulse generation (PPG), low-impedance 4-Ω PHY driver, PGA (–6.5 dB to 30.8 dB), and 12-bit sigma-delta SDHS ADC with 8 Msps output rate. Its USS module lacks the USSXT transceiver found in MSP430FR604x variants, limiting it to single-channel ultrasonic signal acquisition.
Signal 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 MSP430 CPU core. Power management includes LPM3.5 (450 nA with RTC) and LPM4.5 (30 nA shutdown), both supported by FRAM's instant nonvolatile write capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| dTOF Accuracy | <25 ps differential time-of-flight resolution enables sub-liter-per-hour flow detection in water meters. |
| USS Channel Count | Single-channel USS (no USSXT) - supports one pair of CH0_IN/CH0_OUT pins for basic ultrasonic transducer interface. |
| FRAM Capacity | 256 KB unified nonvolatile memory - eliminates wear-out concerns and enables fast logging of metering data without flash erase delays. |
| LPM3.5 Current | 450 nA with RTC active - sustains calendar timekeeping and wake-on-event functionality for multi-year battery life. |
| SDHS ADC Rate | 8 Msps sigma-delta sampling - captures high-fidelity ultrasonic echo waveforms for precise zero-flow drift compensation. |
| LEA FFT Speed | 256-point complex FFT executed in hardware - offloads CPU, reduces active-mode duration, and cuts total energy per measurement cycle. |
| Supply Range | 1.8 V to 3.6 V - compatible with standard lithium-thionyl chloride or alkaline primary cells without external regulation. |
Pinout & Package
LQFP-100 package (14 mm × 14 mm), RoHS-compliant, with exposed thermal pad. Pin functions validated per TI SLASEB7D Rev. D (Dec 2020) Figure 7-2 (MSP430FR603xPZ).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CH0_IN (Pin 91) | Ultrasonic receive input | High-impedance analog input to USS PGA/ADC path - connects directly to transducer receive element. |
| CH0_OUT (Pin 90) | Ultrasonic transmit output | Low-impedance 4-Ω driver output - delivers programmable excitation pulses to transducer transmit element. |
| MTIF_OUT_IN (Pin 77) | Metering test interface I/O | Configurable as pulse output (flow indication) or input (external pulse counting) - operates in LPM3.5 at 200 nA. |
| MTIF_PIN_EN (Pin 78) | Metering test interface enable | Controls MTIF pin direction and internal pullup/pulldown - essential for bidirectional pulse interface in utility meter certification tests. |
| USSXTIN (Pin 97) | USS external timing input | Accepts external clock reference for USS PLL synchronization - required for high-accuracy timebase when using external crystal. |
| USSXTOUT (Pin 98) | USS external timing output | Provides buffered USS PLL output - used to drive secondary transducers or synchronize external circuitry. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated USS subsystem | Eliminates need for discrete ultrasonic analog front-end ICs - reduces BOM count, PCB area, and calibration complexity in water meters. |
| FRAM memory architecture | Enables 10¹⁵ write endurance and 125-ns word writes - supports continuous logging of flow events and diagnostic data over 10+ year deployments. |
| Low-Energy Accelerator (LEA) | Executes signal-processing kernels (e.g., FFT, filtering) autonomously - cuts CPU active time by >70% per measurement cycle. |
| Metering Test Interface (MTIF) | Hardware pulse generator + counter with LPM3.5 support - simplifies compliance testing per OIML R49 and EN 1434 without waking CPU. |
| 12-bit SAR ADC + LCD driver | Simultaneous local display update and sensor monitoring - drives up to 264-segment LCD while acquiring analog inputs for battery voltage or temperature compensation. |
Applications
| Ultrasonic Smart Water Meter | Ultrasonic Smart Heat Meter |
|---|---|
Use Scenario: Residential/commercial cold/hot water consumption measurement with tamper detection and leak alerts. IC Role / Device Role / Timing Role: Primary metrology SoC performing ultrasonic time-of-flight calculation, flow integration, and secure data storage. Use Value: Achieves ±0.5% accuracy across 0.01–10 m³/h flow range while sustaining >10-year battery life via 3-µA average current. | Use Scenario: Thermal energy metering in district heating systems requiring dual temperature and flow measurement. IC Role / Device Role / Timing Role: Flow computation engine synchronized with external RTD interfaces via SAR ADC and timer capture units. Use Value: Enables simultaneous ultrasonic flow and PT1000 temperature sampling with timestamp correlation - critical for EN 1434 Class 2 compliance. |
| Liquid Level Sensing | Water Leak Detector |
Use Scenario: Tank level monitoring in industrial process control or rainwater harvesting systems. IC Role / Device Role / Timing Role: Time-of-flight processor for distance-to-surface calculation using fixed-mount transducers. Use Value: Detects level changes as small as 0.5 mm with <25-ps dTOF resolution - supports sub-millimeter repeatability in static liquid applications. | Use Scenario: Continuous acoustic monitoring of pipe integrity in smart building infrastructure. IC Role / Device Role / Timing Role: High-speed echo analyzer identifying transient cavitation signatures indicative of micro-leaks. Use Value: Identifies leaks as low as 10 mL/min by detecting ultrasonic emission bursts at 2.1–2.5 MHz - enabled by 8-Msps SDHS ADC bandwidth. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultrasonic metering applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430FR6047IPZ | Includes dual-channel USS + USSXT transceiver; adds second CH1_IN/CH1_OUT pair and enhanced timing flexibility. | Required for dual-transducer cross-correlation flow algorithms or redundant sensor architectures. | Select when higher accuracy (±0.25%) or immunity to air bubble interference is mandated by regional metrology standards. |
| MSP430FR6035IPZ | 128KB FRAM (vs. 256KB); identical USS, LEA, and power specs - no functional reduction in ultrasonic capability. | Suitable for cost-sensitive meters with reduced data logging depth or shorter firmware footprint. | Choose for entry-level water meters where 128KB suffices for 5-year event history and firmware updates. |
Compared with MSP430FR6047IPZ, the MSP430FR6037IPZ trades dual-USS channel support for identical power efficiency and metrology precision in single-transducer designs; versus MSP430FR6035IPZ, it doubles FRAM capacity without altering ultrasonic performance or supply current - making it optimal for long-term data retention in certified utility meters.
Availability
MSP430FR6037IPZ is available at Aetrix Electronics and suitable for ultrasonic water metering, heat metering, liquid level sensing, and leak detection applications requiring stable component supply across 10+ year product lifecycles.
Supply support for MSP430FR6037IPZ 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 solutions with deep expertise in ultra-low-power design and metrology-grade signal chains.
The MSP430FR603x product line targets battery-operated utility meters, integrating ultrasonic sensing, FRAM, and LEA to deliver ISO 4064-compliant accuracy with multi-decade operational lifetime on primary cells.
FAQ
What is the maximum ultrasonic transducer frequency supported by the MSP430FR6037IPZ?
The MSP430FR6037IPZ supports standard ultrasonic sensors up to 2.5 MHz, as confirmed in TI's SLASEB7D datasheet Section 1 (Features). This frequency range enables optimal coupling with commercial flow transducers used in residential and commercial water meters, and the integrated USS PHY driver is specifically tuned for impedance matching within this band.
Does the MSP430FR6037IPZ include the USSXT transceiver block?
No, the MSP430FR6037IPZ does not include the USSXT transceiver. Per TI's Device Comparison Table (Section 6), USSXT is present only in MSP430FR604x devices. The MSP430FR6037IPZ implements a single-channel USS subsystem with CH0_IN/CH0_OUT pins and relies on external timing via USSXTIN/USSXTOUT for synchronization - a deliberate cost and power optimization for single-transducer metering.
How much FRAM and RAM does the MSP430FR6037IPZ provide?
The MSP430FR6037IPZ integrates 256 KB of FRAM and 8 KB of SRAM, with 4 KB of that SRAM shared with the Low-Energy Accelerator (LEA) subsystem. This configuration is explicitly listed in Table 6-1 (Device Comparison) of the SLASEB7D datasheet and enables large-scale waveform buffering and real-time FFT processing without external memory.
What is the typical current consumption of the MSP430FR6037IPZ in LPM3.5 mode?
The MSP430FR6037IPZ consumes 450 nA in LPM3.5 mode with RTC active, as specified in Section 8.9 (Low-Power Mode LPMx.5 Supply Currents) of SLASEB7D. This ultra-low quiescent current allows decade-long operation on a single CR2032 or AA lithium cell when paired with infrequent ultrasonic measurements and efficient wake-up scheduling.
Which development tools are officially supported for the MSP430FR6037IPZ?
Texas Instruments officially supports the MSP430FR6037IPZ with the EVM430-FR6047 evaluation module (designed for the FR604x family but pin-compatible and functionally applicable), MSP-TS430PZ100E target socket board, Ultrasonic Sensing Design Center GUI, and MSP430Ware™ software library. These tools are documented in Section 1.1 (Development tools and software) of SLASEB7D and validated for FR603x firmware development.
MSP430FR6037IPZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 100-LQFP
- Series:
- MSP430™ FRAM
- Packaging:
- Tray
- 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:
MSP430FR6037IPZ FAQ
1.How can I place an order for MSP430FR6037IPZ through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR6037IPZ 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 MSP430FR6037IPZ reliable?
The price and inventory of MSP430FR6037IPZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR6037IPZ is usually 5 days.
3.What payment methods are accepted for MSP430FR6037IPZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR6037IPZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR6037IPZ?
MSP430FR6037IPZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR6037IPZ 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 MSP430FR6037IPZ?
For technical support, including MSP430FR6037IPZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR6037IPZ requirements.
6.How does Aetrix verify that MSP430FR6037IPZ is sourced from the original manufacturer or authorized distributors?
All MSP430FR6037IPZ 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 MSP430FR6037IPZ meets industry standards.
7.What is the process for return or replacement of MSP430FR6037IPZ?
All MSP430FR6037IPZ units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR6037IPZ, 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 MSP430FR6037IPZ part is unused and in its original packaging.
Return procedure for MSP430FR6037IPZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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