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Texas Instruments MSP430F6775AIPEU
- Part No.:
- MSP430F6775AIPEU
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 128-LQFP
- Datasheet:
-
MSP430F6775AIPEU.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 128LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,396
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Product details
Overview
MSP430F6775AIPEU from Texas Instruments is a polyphase metering SoC designed for high-accuracy energy measurement in 3-phase utility meters. It integrates seven 24-bit sigma-delta ADCs (0.1% accuracy over 2000:1 dynamic range), a 25-MHz CPU with 32-bit multiplier, 128KB flash/16KB RAM, LCD controller (320 segments), and hardware AES-128 encryption - all in a 128-pin LQFP package.
For engineers reviewing the MSP430F6775AIPEU datasheet, MSP430F6775AIPEU pinout, MSP430F6775AIPEU application, or MSP430F6775AIPEU equivalent, key selection criteria include ANSI C12.20/IEC 62053 compliance, ultra-low-power RTC mode (0.34 µA), dedicated pulse outputs for active/reactive energy calibration, and support for CT/Rogowski/shunt sensors in 3-phase 4-wire star topologies.
Technical Context
The MSP430F6775AIPEU implements a metrology-specific architecture with independent SD24_B modulators per phase input, enabling simultaneous 3-phase + neutral power calculation. Its analog front-end includes digital phase correction for current transformers and temperature-compensated energy measurement across 40–70 Hz line frequencies using single-point calibration.
Digital subsystems include three-channel DMA, four 16-bit timers (9 capture/compare registers), six eUSCI modules (4 UART/IrDA/SPI + 2 SPI/I²C), and an integrated RTC with tamper detection, crystal offset calibration, and password protection - all coordinated via the 25-MHz CPU to execute TI's Energy Measurement software library.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Flash / RAM | 128 KB flash (single-cycle) + 16 KB RAM (single-cycle) - supports full metrology firmware, calibration tables, and secure boot without external memory. |
| Sigma-Delta ADCs | 7 × 24-bit SD24_B converters - enables concurrent voltage/current sampling across 3 phases + neutral with <0.1% error at 2000:1 dynamic range. |
| Line Frequency Range | 40–70 Hz - covers global utility standards with single calibration, eliminating region-specific firmware variants. |
| Low-Power Modes | LPM3.5 (RTC mode): 0.34 µA @ 3 V - sustains timekeeping and tamper monitoring during AC mains failure with minimal backup battery drain. |
| LCD Driver | 320-segment LCD controller with contrast control - drives large-format utility meter displays without external segment drivers. |
| Security Modules | Hardware AES-128 + RTC tamper detection + password-protected registers - meets anti-tamper requirements for revenue-grade meter certification. |
| eUSCI Interfaces | 4 × eUSCI_A (UART/IrDA/SPI) + 2 × eUSCI_B (SPI/I²C) - supports HAN communication (PLC/RF), optical port, and sensor interfacing simultaneously. |
Pinout & Package
128-pin LQFP (PEU) package, 20 mm × 14 mm body size, 90 GPIOs. Pin functions validated per TI SLAS982A Rev. September 2018, Section 4.1 (Figure 4-1) and Table 4-1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SD0P0/SD0N0–SD6P0/SD6N0 | Differential inputs for SD24_B modulators | Direct connection points for 7 independent current/voltage sensor channels (e.g., CT secondaries, shunts). |
| COM0–COM7 | LCD common outputs | Drive up to 8 LCD commons for multiplexed 320-segment display; require external capacitors for bias generation. |
| VREF | Reference voltage input | Accepts external precision reference (e.g., 2.5 V) for ADC and comparator accuracy; bypassed with 100 nF capacitor. |
| RST/NMI/SBWTDIO | Reset / NMI / JTAG debug I/O | Single pin for cold reset, non-maskable interrupt, and 4-wire Spy-Bi-Wire programming - simplifies test fixture design. |
| P1.0/P1.1 | VeREF−/VeREF+ | Dedicated differential reference inputs for internal ADC10_A - enable ratiometric measurement of supply/temperature sensors. |
Key Features
| Feature | Design Value |
|---|---|
| 4-quadrant energy measurement | Enables bidirectional power flow monitoring (generation/consumption) per phase - required for net-metering and microgrid applications. |
| Dedicated pulse output pins | Hardware-generated active/reactive energy pulses (e.g., kWh/kVARh) - eliminates CPU overhead and ensures metrology-grade timing accuracy for calibration. |
| Digital phase correction | Compensates CT phase lag in real time using on-chip DSP - achieves ANSI C12.20 Class 0.2 accuracy without external analog compensation networks. |
| Temperature-compensated energy | On-die temperature sensor feeds real-time gain/offset correction to SD24_B - maintains 0.1% accuracy across −40°C to +85°C ambient. |
| Flexible power supply | Supports dual-supply operation (AVCC/DVCC) with automatic switching between AC-derived and battery backup - ensures uninterrupted metering during grid outages. |
Applications
| Smart Electricity Meter | Revenue-Grade Submeter |
|---|---|
Use Scenario: Installed as the main billing meter at residential/commercial service entrances. IC Role / Device Role / Timing Role: Primary metrology SoC performing real-time 3-phase voltage/current sampling, energy accumulation, tariff switching, and secure data logging. Use Value: Meets ANSI C12.20 Class 0.2 and IEC 62053-22 Class 0.5S requirements with on-chip calibration - eliminates external precision op-amps and reduces BOM cost by ≥30%. | Use Scenario: Embedded in panelboards to monitor tenant-level energy consumption in multi-tenant buildings. IC Role / Device Role / Timing Role: Standalone energy calculator with isolated RS-485 (via eUSCI_A) and local LCD display; operates in LPM3.5 during mains loss. Use Value: 0.34 µA RTC mode extends CR2032 battery life to >10 years - enables maintenance-free deployment without external supercapacitors. |
| Grid Edge Sensor Node | Energy Audit Device |
Use Scenario: Portable clamp-on meter used by utilities for feeder loss analysis and harmonic distortion mapping. IC Role / Device Role / Timing Role: High-accuracy sampling engine interfacing with Rogowski coils; stores waveform data in flash for post-processing. Use Value: Seven independent 24-bit ADCs capture synchronized voltage/current waveforms across all phases - enables IEEE 1459-compliant power quality metrics (THD, unbalance, flicker). | Use Scenario: Handheld device deployed by energy auditors to benchmark HVAC and lighting loads in commercial facilities. IC Role / Device Role / Timing Role: Low-power data logger with Bluetooth LE (via eUSCI_A UART + external module) and backlit LCD interface. Use Value: 3 µA LPM3 display mode allows continuous 72-hour logging on two AA batteries - eliminates need for frequent recharging in field use. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar polyphase metering applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F6776AIPEU | 256 KB flash / 16 KB RAM; identical ADC/peripheral configuration | Same metrology accuracy and low-power profile; supports larger firmware (e.g., DLMS/COSEM stack) | Select when firmware complexity exceeds 128 KB or future-proofing for protocol upgrades is required. |
| MSP430F6765AIPEU | 6 SD24_B ADCs (vs. 7); same flash/RAM; no SD6P0/SD6N0 pins | Limited to 2-phase + neutral or 3-phase without neutral monitoring; lower channel count reduces PCB routing density | Choose for cost-sensitive 2-phase meters where neutral current measurement is not mandated by local utility specs. |
Compared with MSP430F6776AIPEU and MSP430F6765AIPEU, the MSP430F6775AIPEU provides optimal balance of metrology capability (7-channel SD24_B), security (AES-128 + tamper RTC), and firmware headroom (128 KB flash) for Class 0.2 revenue meters - making it the most widely certified variant in the F677x family.
Availability
MSP430F6775AIPEU is available at Aetrix Electronics and suitable for smart electricity meters, revenue-grade submeters, and portable energy audit devices requiring stable component supply and long-term industrial lifecycle support.
Supply support for MSP430F6775AIPEU 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 connectivity technologies with decades of utility metering domain expertise.
The MSP430F67xxA product line was engineered specifically for metrology applications - integrating high-precision sigma-delta ADCs, low-power RTC, and hardware encryption to meet ANSI/IEC revenue-grade certification requirements in a single SoC.
FAQ
What metrology standards does the MSP430F6775AIPEU comply with?
The MSP430F6775AIPEU meets or exceeds ANSI C12.20 Class 0.2 and IEC 62053-22 Class 0.5S accuracy requirements for active/reactive energy measurement. Its 24-bit sigma-delta ADCs achieve <0.1% error over 2000:1 dynamic range, and digital phase correction compensates CT errors - all verified per TI's SLAS982A characterization data.
How does the MSP430F6775AIPEU handle power loss during metering operations?
The MSP430F6775AIPEU supports seamless transition to battery backup via its flexible power supply architecture. In LPM3.5 (RTC mode), it draws only 0.34 µA @ 3 V to maintain timekeeping and tamper detection. Critical metrology data is preserved in RAM using ultra-low-leakage retention registers - ensuring no energy accumulation loss during AC mains failure.
Can the MSP430F6775AIPEU drive a large LCD display without external components?
Yes, the MSP430F6775AIPEU integrates a full-featured LCD_C controller supporting up to 320 segments with programmable contrast and internal charge pump. It requires only external COM/SEG capacitors (e.g., 100 nF) and no external bias generators - reducing BOM count and board space in utility meter designs.
What communication interfaces are available on the MSP430F6775AIPEU for smart meter connectivity?
The MSP430F6775AIPEU provides six eUSCI modules: four eUSCI_A peripherals supporting UART, IrDA, and SPI (for optical ports, PLC modems, or RF modules), and two eUSCI_B peripherals supporting SPI and I²C (for sensor hubs or secure elements). All operate independently with DMA-assisted data transfer to minimize CPU load.
Is hardware-based encryption implemented in the MSP430F6775AIPEU?
Yes, the MSP430F6775AIPEU includes a dedicated hardware AES-128 encryption module compliant with FIPS PUB 197. It accelerates cryptographic operations for DLMS/COSEM secure messaging and firmware authentication - offloading the CPU and preventing side-channel attacks through constant-time execution.
MSP430F6775AIPEU Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 128-LQFP
- Series:
- MSP430F6xx
- Packaging:
- Tube
- Product Status:
- Active
- 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, 7x24b Sigma Delta Converter
- Number of I/O:
- 90
- Program Memory Size:
- 128KB (128K 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:
MSP430F6775AIPEU FAQ
1.How can I place an order for MSP430F6775AIPEU through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F6775AIPEU 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 MSP430F6775AIPEU reliable?
The price and inventory of MSP430F6775AIPEU are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F6775AIPEU is usually 5 days.
3.What payment methods are accepted for MSP430F6775AIPEU?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F6775AIPEU transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F6775AIPEU?
MSP430F6775AIPEU orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F6775AIPEU 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 MSP430F6775AIPEU?
For technical support, including MSP430F6775AIPEU datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F6775AIPEU requirements.
6.How does Aetrix verify that MSP430F6775AIPEU is sourced from the original manufacturer or authorized distributors?
All MSP430F6775AIPEU 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 MSP430F6775AIPEU meets industry standards.
7.What is the process for return or replacement of MSP430F6775AIPEU?
All MSP430F6775AIPEU units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F6775AIPEU, 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 MSP430F6775AIPEU part is unused and in its original packaging.
Return procedure for MSP430F6775AIPEU:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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