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Texas Instruments MSP430FR6045IPZR
- Part No.:
- MSP430FR6045IPZR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MSP430FR6045IPZR.pdf
- Description:
- IC MCU 16BIT 128KB FRAM 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,249
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Product details
Overview
MSP430FR6045IPZR from Texas Instruments is an ultrasonic sensing system-on-chip (SoC) microcontroller optimized for battery-powered water metering. It integrates a programmable pulse generator (PPG), 4-Ω output driver PHY, <5-ps time measurement resolution, 12-bit sigma-delta ADC (SDHS) at 8 Msps, and low-energy accelerator (LEA) for FFT-based flow computation - enabling sub-1 L/h detection with ~3 µA average current per measurement.
For engineers reviewing the MSP430FR6045IPZR datasheet, MSP430FR6045IPZR pinout, MSP430FR6045IPZR application, or MSP430FR6045IPZR equivalent, key selection criteria include dTOF accuracy (<25 ps), FRAM endurance (10¹⁵ cycles), LPM3.5 RTC current (450 nA), USS channel count (2), and 100-pin LQFP package compatibility with EVM430-FR6047 reference hardware.
Technical Context
The MSP430FR6045IPZR implements a dedicated ultrasonic sensing subsystem (USS) with independent PPG, PHY, PGA (–6.5 dB to 30.8 dB), and SDHS ADC - all clocked by a high-stability PLL (68–80 MHz) to support precise time-of-flight calculation. Its LEA coprocessor executes 256-point complex FFTs up to 40× faster than the CPU, offloading signal processing while maintaining ultra-low-power operation.
It operates across 1.8–3.6 V, supports ISO 4064/EN 1434/OIML R49 compliance, and features dual-domain power management: LPM3.5 (450 nA with RTC) and LPM4.5 (30 nA shutdown). The 128 KB FRAM provides unified nonvolatile storage for firmware, calibration data, and logs without wear leveling overhead.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Ultrasonic dTOF Accuracy | <25 ps - enables metrological-grade flow measurement down to 0.5 L/h with minimal zero-flow drift. |
| Time Measurement Resolution | <5 ps - supports high-precision differential time-of-flight computation for small transit-time differences. |
| USS Channels | 2 (CH0_IN/CH0_OUT, CH1_IN/CH1_OUT) - allows dual-transducer configurations for bidirectional flow or temperature compensation. |
| FRAM Capacity | 128 KB - unified memory space for code, runtime variables, and long-term metering logs with 10¹⁵ write endurance. |
| LPM3.5 Current | 450 nA (RTC active) - enables >10-year battery life in smart water meters with hourly wake-up and measurement. |
| SDHS ADC Rate | 8 Msps - captures full ultrasonic echo waveforms at sufficient sampling density for digital envelope detection and cross-correlation. |
| LEA FFT Performance | 256-point complex FFT in <1 ms - accelerates spectral analysis of received signals without CPU intervention. |
Pinout & Package
Package: 100-pin LQFP (PZ), 14 mm × 14 mm body size, 0.5-mm pitch, thermally enhanced with exposed thermal pad (PVSS/PVCC).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CH0_IN / CH1_IN | USS Analog Input | Differential inputs for ultrasonic transducer receive path; internally connected to PGA and SDHS ADC. |
| CH0_OUT / CH1_OUT | USS Driver Output | Low-impedance (4-Ω) outputs from USS PHY; drive standard 2.5-MHz piezoelectric transducers directly. |
| USSXTIN / USSXTOUT | USS Crystal Interface | Connect external 8-MHz crystal for USS timing reference; enables jitter-free excitation and sampling synchronization. |
| P7.4 / MTIF_OUT_IN | Metering Test Interface Output | Configurable pulse output for flow indication; supports up to 1016 p/s with 16-bit counter in LPM3.5 (200 nA). |
| P7.5 / MTIF_PIN_EN | Metering Test Interface Enable | Controls MTIF output state; allows hardware-gated pulse generation synchronized to measurement cycle. |
| AVCC1 / AVSS1–AVSS5 | Analog Power Supply / Ground | Dedicated analog domain rails with separate ground planes - critical for <25-ps dTOF accuracy and noise immunity. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated USS Subsystem | Full analog front-end (PPG + PHY + PGA + SDHS) eliminates need for external op-amps, drivers, or ADCs - reduces BOM and PCB area by ≥30%. |
| LEA Coprocessor | Executes FFT, FIR, and correlation algorithms independently of CPU - preserves ultra-low-power sleep states during signal processing. |
| FRAM Memory Architecture | Enables instant logging of flow events, timestamps, and diagnostics without flash erase delays or write-cycle limitations. |
| Metering Test Interface (MTIF) | Hardware pulse generator/counter operating in LPM3.5 - delivers certified metrology output without waking CPU or increasing system power. |
| Compliance Ready | Built-in support for ISO 4064 Class C, EN 1434, and OIML R49 - reduces certification effort via on-chip calibration and traceable measurement chain. |
Applications
| Ultrasonic Smart Water Meter | Ultrasonic Smart Heat Meter |
|---|---|
Use Scenario: Residential/commercial cold/hot water consumption monitoring with remote AMI reporting. IC Role / Device Role / Timing Role: Primary SoC performing ultrasonic time-of-flight measurement, flow computation, data logging, and pulse output via MTIF. Use Value: Achieves Class C accuracy per ISO 4064 with single-chip integration, eliminating external signal conditioning and reducing total solution cost by $1.20+. | Use Scenario: District heating systems measuring forward/return water flow and delta-T for thermal energy calculation. IC Role / Device Role / Timing Role: Dual-channel USS controller acquiring transit times from two transducer pairs; LEA computes flow and temperature-compensated energy values. Use Value: Enables bidirectional flow detection and thermal drift correction using on-chip PGA gain adjustment and 8-Msps SDHS sampling - no external calibration required. |
| Liquid Level Sensing | Water Leak Detector |
Use Scenario: Tank level monitoring in industrial or agricultural settings using fixed-mount ultrasonic transducers. IC Role / Device Role / Timing Role: Time-of-flight distance calculator with adaptive thresholding and self-diagnostic echo validation. Use Value: Detects level changes as small as 0.5 mm using <5-ps resolution and compensates for temperature drift via integrated LFX/UFXT clocks. | Use Scenario: Continuous low-flow surveillance in building plumbing to detect micro-leaks (<0.1 L/min) before catastrophic failure. IC Role / Device Role / Timing Role: Ultra-low-duty-cycle sensor node performing periodic high-sensitivity dTOF measurements and anomaly flagging. Use Value: Sustains 15-year operation on a single CR2477 battery due to 3 µA average current and LPM4.5 shutdown mode. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultrasonic sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430FR6047IPZR | 256 KB FRAM (vs. 128 KB), same USS/LEA/MTIF peripherals, identical pinout and package. | Supports larger firmware images, extended data logging, and multi-sensor fusion algorithms requiring >128 KB memory. | Select when future-proofing for firmware expansion or adding cryptographic signing of metering data. |
| MSP430FR6035IPZR | No USS module; lacks PPG, PHY, CHx_IN/CHx_OUT pins; retains MTIF, LEA, and FRAM but not ultrasonic signal chain. | Suitable only for non-ultrasonic metering (e.g., magnetic or mechanical flow sensors with analog/digital interface). | Choose only if ultrasonic sensing is not required - not a functional substitute for MSP430FR6045IPZR in TOF-based designs. |
Compared with MSP430FR6047IPZR, the MSP430FR6045IPZR offers identical ultrasonic performance and power efficiency at lower memory cost; versus MSP430FR6035IPZR, it provides the complete USS signal chain essential for time-of-flight water metering - making it the minimum viable SoC for metrologically compliant ultrasonic solutions.
Availability
MSP430FR6045IPZR is available at Aetrix Electronics and suitable for ultrasonic water metering, smart heat metering, liquid level sensing, and water leak detection requiring stable component supply and long-term production continuity.
Supply support for MSP430FR6045IPZR 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 for industrial, automotive, and consumer applications.
The MSP430FR604x product line was designed specifically for battery-operated ultrasonic flow measurement in utility metering - integrating metrology-grade timing, signal acquisition, and low-power processing into a single FRAM-based SoC.
FAQ
What is the maximum ultrasonic transducer frequency supported by the MSP430FR6045IPZR?
The MSP430FR6045IPZR directly interfaces standard ultrasonic sensors up to 2.5 MHz, as confirmed in the device's official features list and electrical specifications. This capability is enabled by its integrated USS PHY with 4-Ω output driver and programmable pulse generator (PPG), which ensures optimal impedance matching and excitation control for transducers in this frequency range. The MSP430FR6045IPZR does not support frequencies beyond 2.5 MHz.
Does the MSP430FR6045IPZR include hardware support for metrological standards like ISO 4064?
Yes, the MSP430FR6045IPZR is explicitly designed to comply with and exceed ISO 4064, OIML R49, and EN 1434 accuracy standards. Its <25-ps differential time-of-flight accuracy, <5-ps time measurement resolution, and integrated USS signal chain - including programmable gain amplifier and 8-Msps sigma-delta ADC - collectively enable Class C metrological performance. TI validates this compliance through internal test procedures aligned with these standards.
How much FRAM memory does the MSP430FR6045IPZR provide, and what is its endurance rating?
The MSP430FR6045IPZR provides 128 KB of ferroelectric RAM (FRAM) with 10¹⁵ write cycle endurance, as specified in the device comparison table and description section. This nonvolatile memory supports fast writes (125 ns per word), unified code/data/storage allocation, and inherent radiation resistance - making it ideal for long-term, high-frequency logging of flow events and diagnostics in battery-powered meters.
Can the MSP430FR6045IPZR operate in ultra-low-power modes while maintaining real-time clock functionality?
Yes, the MSP430FR6045IPZR supports LPM3.5 mode with real-time clock (RTC) active at 450 nA typical current consumption. In this mode, the RTC runs from a 32-kHz crystal (LFXT) or internal VLO, while the CPU and most peripherals remain powered down. The metering test interface (MTIF) also remains operational in LPM3.5 at 200 nA, enabling certified pulse output without full system wake-up.
What development tools are officially supported for the MSP430FR6045IPZR?
Texas Instruments officially supports the EVM430-FR6047 ultrasonic water flow meter evaluation module, MSP-TS430PZ100E 100-pin target socket board, Ultrasonic Sensing Design Center GUI, and MSP430Ware™ software library for the MSP430FR6045IPZR. These tools provide hardware reference design, configuration utilities, and production-ready signal processing algorithms - all validated for use with the MSP430FR6045IPZR's USS and LEA modules.
MSP430FR6045IPZR 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:
- 128KB (128K 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:
MSP430FR6045IPZR FAQ
1.How can I place an order for MSP430FR6045IPZR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR6045IPZR 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 MSP430FR6045IPZR reliable?
The price and inventory of MSP430FR6045IPZR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR6045IPZR is usually 5 days.
3.What payment methods are accepted for MSP430FR6045IPZR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR6045IPZR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR6045IPZR?
MSP430FR6045IPZR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR6045IPZR 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 MSP430FR6045IPZR?
For technical support, including MSP430FR6045IPZR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR6045IPZR requirements.
6.How does Aetrix verify that MSP430FR6045IPZR is sourced from the original manufacturer or authorized distributors?
All MSP430FR6045IPZR 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 MSP430FR6045IPZR meets industry standards.
7.What is the process for return or replacement of MSP430FR6045IPZR?
All MSP430FR6045IPZR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR6045IPZR, 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 MSP430FR6045IPZR part is unused and in its original packaging.
Return procedure for MSP430FR6045IPZR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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