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Texas Instruments MSP430F67461IPZR
- Part No.:
- MSP430F67461IPZR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MSP430F67461IPZR.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,584
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Product details
Overview
MSP430F67461IPZR from Texas Instruments is a polyphase metering SoC designed for 3-phase electronic watt-hour meters, featuring four 24-bit sigma-delta ADCs, 256KB flash, 16KB RAM, and support for ANSI C12.20/IEC 62053 compliance in utility revenue metering applications.
For engineers reviewing the MSP430F67461IPZR datasheet, MSP430F67461IPZR pinout, MSP430F67461IPZR application, or MSP430F67461IPZR equivalent, key selection criteria include its 4-channel SD24_B ADC configuration, 100-pin LQFP (PZ) package with 62 I/Os, ultra-low-power LPM3.5 mode (0.34 µA), and integrated LCD controller for up to 320 segments.
Technical Context
The MSP430F67461IPZR implements a dedicated energy measurement architecture with four independent 24-bit sigma-delta modulators optimized for current/voltage sensing across three phases plus neutral, paired with a 25-MHz MSP430 CPU and 32-bit hardware multiplier for real-time tariff calculation and waveform analysis.
Its analog front end supports multiple sensor types (CTs, Rogowski coils, shunts), includes digital phase correction, temperature-compensated energy computation, and operates across 40–70 Hz line frequency with single-point calibration - all while maintaining <0.1% accuracy over 2000:1 dynamic range per phase.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Flash Memory | 256 KB - sufficient for full energy measurement library, tariff logic, and communication stack without external storage |
| RAM | 16 KB - enables concurrent processing of multiple phase measurements and real-time data buffering |
| Sigma-Delta ADCs | 4 × 24-bit - supports simultaneous sampling of 3-phase + neutral voltage/current with >110 dB SNR |
| Operating Voltage | 1.8 V to 3.6 V - allows direct interface with common meter power rails and backup battery systems |
| LPM3.5 Current | 0.34 µA at 3 V - ensures >10-year RTC operation on coin-cell during AC mains failure |
| Package | 100-pin LQFP (PZ), 14 mm × 14 mm - provides 62 GPIOs for sensor interfaces, communications, and pulse outputs |
| Line Frequency Range | 40 Hz to 70 Hz - covers global utility standards (50/60 Hz) with margin for harmonic distortion |
Pinout & Package
Package: 100-pin LQFP (PZ), 14 mm × 14 mm, industrial temperature range (–40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| XIN / XOUT | Low-frequency crystal oscillator input/output | Supports 32.768 kHz crystal for RTC with temperature-compensated offset calibration |
| AUXVCC1–AUXVCC3 | Backup subsystem supply pins | Enable independent power domain for RTC, tamper detection, and LCD during main supply failure |
| SD0P0–SD3N0 | Four differential sigma-delta ADC input pairs | Direct connection to current/voltage sensors; each pair supports programmable gain and digital filtering |
| COM0–COM7 | LCD segment commons | Drive up to 320-segment LCD display with internal contrast control and charge-pump bias |
| P1.0–P11.5, PJ.0–PJ.3 | General-purpose I/O with peripheral multiplexing | 62 configurable GPIOs supporting UART, SPI, I²C, timers, and pulse output for active/reactive energy calibration |
Key Features
| Feature | Design Value |
|---|---|
| ANSI/IEC Compliance Engine | On-chip firmware library certifies metering accuracy to ANSI C12.20 and IEC 62053 without external co-processor |
| Digital Phase Correction | Compensates CT-induced phase lag in real time, eliminating need for external analog compensation networks |
| Four-Quadrant Measurement | Enables bidirectional energy tracking per phase (import/export) for net metering and distributed generation |
| Password-Protected RTC | Hardware-enforced access control prevents unauthorized clock manipulation in revenue-critical applications |
| Integrated Anti-Tamper | Dedicated tamper detect pins with configurable thresholds and interrupt reporting for enclosure breach or magnetic attack |
Applications
| Smart Electricity Meter | Revenue-Grade Energy Monitor |
|---|---|
Use Scenario: Installed in residential/commercial 3-phase 4-wire service entrance to measure kWh/kVARh consumption for billing. IC Role / Device Role / Timing Role: Primary metrology SoC performing real-time energy accumulation, tariff switching, and secure data logging. Use Value: Achieves <0.1% error over 2000:1 dynamic range, meeting Class 0.2 accuracy requirements without calibration drift. | Use Scenario: Embedded in industrial submetering panel to track energy usage per production line or HVAC system. IC Role / Device Role / Timing Role: High-precision measurement engine with four SD24_B channels capturing phase A/B/C and neutral currents simultaneously. Use Value: Four-quadrant measurement enables accurate net energy accounting for on-site solar generation and grid export. |
| AMI Endpoint Node | Grid Edge Sensor Node |
Use Scenario: Integrated into automated meter infrastructure (AMI) endpoint with PLC or RF mesh communication. IC Role / Device Role / Timing Role: Host processor and metrology unit managing communication protocol stacks (DLMS/COSEM) alongside energy calculations. Use Value: Six eUSCI ports (4 UART + 2 I²C/SPI) enable concurrent HAN, WAN, and sensor interface connectivity. | Use Scenario: Deployed in transformer monitoring unit to detect unbalanced loading, harmonics, and voltage sags. IC Role / Device Role / Timing Role: Real-time waveform capture and RMS/THD computation using 24-bit SD24_B ADCs and 25-MHz CPU. Use Value: 40–70 Hz adaptive line frequency tracking maintains accuracy during grid instability events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar polyphase metering SoC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F67461IPZ | Same die, identical electrical specs, but in tape-and-reel packaging (IPZR = reel, IPZ = tray) | No functional difference; IPZR is standard for automated SMT assembly | Select MSP430F67461IPZR for high-volume production requiring reel delivery. |
| MSP430F67661IPZR | 6 SD24_B ADCs vs. 4; 256KB flash/16KB RAM same; adds one extra sigma-delta channel for auxiliary sensing | Supports 3-phase + neutral + auxiliary measurement (e.g., DC link monitoring in hybrid meters) | Choose MSP430F67661IPZR when additional ADC channel is required for extended sensor coverage. |
Compared with MSP430F67461IPZR, the IPZ variant offers identical functionality in tray packaging for prototyping, while MSP430F67661IPZR extends metrology capability with two additional SD24_B inputs - enabling richer diagnostics without changing PCB layout.
Availability
MSP430F67461IPZR is available at Aetrix Electronics and suitable for smart electricity metering, revenue-grade energy monitoring, and AMI endpoint node designs requiring stable component supply and long-term lifecycle support.
Supply support for MSP430F67461IPZR 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 specializing in analog, embedded processing, and energy-efficient technologies for industrial, automotive, and communications markets.
The MSP430F67461IPZR belongs to TI's polyphase metering SoC product line, engineered specifically for cost-sensitive, high-accuracy utility metering applications with integrated metrology, security, and low-power operation.
FAQ
What is the maximum number of sigma-delta ADC channels supported by the MSP430F67461IPZR?
The MSP430F67461IPZR integrates four independent 24-bit sigma-delta ADCs (SD24_B), each with differential inputs and programmable gain. This configuration supports simultaneous measurement of voltage and current across three phases plus neutral in 3-phase 4-wire metering topologies. The MSP430F67461IPZR does not support more than four SD24_B channels - higher-channel variants like MSP430F67661IPZR offer six.
Does the MSP430F67461IPZR include an integrated LCD controller?
Yes, the MSP430F67461IPZR includes a fully integrated LCD controller supporting up to 320 segments with built-in contrast control, charge-pump bias generation, and software-configurable duty cycle. It drives COM0–COM7 and SEGx pins directly, eliminating external LCD driver ICs in meter display subsystems.
What low-power modes are available on the MSP430F67461IPZR, and what are their typical current draws?
The MSP430F67461IPZR supports multiple low-power modes: LPM3 (standby) draws 2.1 µA at 3 V with RTC active; LPM3.5 (RTC-only) consumes 0.34 µA; and LPM4.5 (shutdown) uses 0.18 µA. All modes retain RAM and register contents, and wake-up from LPM3 occurs in under 5 µs - critical for fast response to tamper or pulse events.
Is the MSP430F67461IPZR compliant with ANSI C12.20 and IEC 62053 standards?
Yes, the MSP430F67461IPZR is designed to meet or exceed ANSI C12.20 Class 0.2 and IEC 62053-21/22/23 accuracy requirements. Its <0.1% error over 2000:1 dynamic range, digital phase correction, temperature compensation, and four-quadrant measurement capabilities are validated per these standards when used with TI's certified energy measurement software library.
What communication interfaces does the MSP430F67461IPZR support for smart meter connectivity?
The MSP430F67461IPZR features six enhanced universal serial communication interfaces (eUSCI), configurable as four UARTs, six SPIs, or two I²C ports. This flexibility supports concurrent connections to PLC modems, RF transceivers (e.g., Sub-GHz or NB-IoT), HAN devices, and local debug interfaces - all managed by the on-chip 25-MHz CPU without external glue logic.
MSP430F67461IPZR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 100-LQFP
- Series:
- MSP430F6xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPUXV2
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- I2C, IrDA, LINbus, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT, 4x24b Sigma Delta Converter
- Number of I/O:
- 62
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F67461IPZR FAQ
1.How can I place an order for MSP430F67461IPZR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F67461IPZR 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 MSP430F67461IPZR reliable?
The price and inventory of MSP430F67461IPZR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F67461IPZR is usually 5 days.
3.What payment methods are accepted for MSP430F67461IPZR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F67461IPZR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F67461IPZR?
MSP430F67461IPZR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F67461IPZR 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 MSP430F67461IPZR?
For technical support, including MSP430F67461IPZR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F67461IPZR requirements.
6.How does Aetrix verify that MSP430F67461IPZR is sourced from the original manufacturer or authorized distributors?
All MSP430F67461IPZR 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 MSP430F67461IPZR meets industry standards.
7.What is the process for return or replacement of MSP430F67461IPZR?
All MSP430F67461IPZR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F67461IPZR, 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 MSP430F67461IPZR part is unused and in its original packaging.
Return procedure for MSP430F67461IPZR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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