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Texas Instruments MSP430F6775AIPZ
- Part No.:
- MSP430F6775AIPZ
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MSP430F6775AIPZ.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,025
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Product details
Overview
MSP430F6775AIPZ from Texas Instruments is a polyphase metering SoC designed for high-accuracy 3-phase energy measurement in utility smart 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 100-pin LQFP package.
For engineers reviewing the MSP430F6775AIPZ datasheet, MSP430F6775AIPZ pinout, MSP430F6775AIPZ application, or MSP430F6775AIPZ equivalent, key selection factors include ANSI C12.20/IEC 62053 compliance, 4-quadrant per-phase power calculation, RTC with tamper detection, ultra-low-power LPM3.5 mode (0.34 µA), and support for CT/Rogowski/shunt sensors in 3-phase 4-wire star configurations.
Technical Context
The MSP430F6775AIPZ implements a dedicated metrology subsystem with independent SD24_B modulators per phase, enabling simultaneous voltage/current sampling with digital phase correction and temperature-compensated energy integration. Its real-time clock operates with crystal offset calibration and battery-backed retention during AC mains failure.
Digital architecture includes three-channel DMA, four 16-bit timers (nine capture/compare registers), six eUSCI modules (four UART/IrDA/SPI + two SPI/I²C), and integrated AES-128 for secure firmware updates and data encryption - all coordinated by the 25-MHz MSP430 CPU executing TI's Energy Measurement Software Library.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Flash Memory | 128 KB single-cycle flash - sufficient for full metrology firmware, calibration tables, and secure boot code. |
| RAM | 16 KB single-cycle RAM - supports real-time accumulation of active/reactive energy across three phases plus neutral. |
| Sigma-Delta ADCs | Seven 24-bit SD24_B converters - enables simultaneous sampling of 3-phase voltages, 3-phase currents, and neutral current with <0.1% error over 2000:1 dynamic range. |
| Line Frequency Range | 40 Hz to 70 Hz - supports global utility standards with single-point calibration across frequency variation. |
| Low-Power Mode LPM3.5 | 0.34 µA at 3 V - allows RTC and tamper detection to remain active during AC mains failure without external backup capacitor oversizing. |
| LCD Driver | Up to 320 segments with contrast control - drives standard utility meter displays without external segment drivers. |
| Security | Hardware AES-128 module + password-protected RTC with tamper detection - meets anti-tamper requirements for revenue-grade metering. |
Pinout & Package
Package: 100-pin LQFP (PZ), 14 mm × 14 mm body size, 0.5 mm pitch. Designed for industrial meter PCB layouts with separate analog/digital supply domains (AVCC/AVSS, DVCC/DVSS, VASYS/VDSYS pairs requiring external board-level connection).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VREF | Analog reference input | Provides stable 1.2-V internal reference for SD24_B ADCs; requires external 100-nF bypass capacitor for metrology-grade stability. |
| SD0P0/SD0N0–SD6P0/SD6N0 | Sigma-delta ADC differential inputs | Seven differential pairs supporting direct connection to current transformers, Rogowski coils, or shunt resistors with programmable gain. |
| COM0–COM7 | LCD common outputs | Eight commons driving up to 320-segment LCD; supports static, 2-, 3-, or 4-mux operation with software-configurable bias. |
| RST/NMI/SBWTDIO | Reset / NMI / JTAG debug I/O | Multi-function pin supporting device reset, non-maskable interrupt, and 4-wire Spy-Bi-Wire programming/debug interface. |
| eUSCI_A0–A3 | Universal serial interfaces | Four configurable UART/IrDA/SPI ports - used for HART, optical port, PLC, or RF module communication in certified meter designs. |
| eUSCI_B0–B1 | I²C/SPI interfaces | Two dual-mode interfaces - typically assigned to EEPROM, secure element, or sensor ICs (e.g., temperature, tamper switches). |
Key Features
| Feature | Design Value |
|---|---|
| ANSI C12.20 & IEC 62053 compliance | Validated metrology accuracy enables direct certification for revenue-grade 3-phase watt-hour meters without external co-processors. |
| Dedicated pulse output pins | Hardware-generated active/reactive energy pulses simplify calibration traceability and enable direct LED or optocoupler interfacing. |
| Digital phase correction | Compensates CT phase lag in real time using on-chip DSP resources - eliminates need for external analog compensation networks. |
| Temperature-compensated energy measurement | On-die temperature sensor feeds correction algorithms to maintain accuracy across –40°C to +85°C operating range. |
| Password-protected RTC with tamper detection | Prevents clock manipulation and logs tamper events to secure memory - required for ANSI C12.1 and IEC 62056-21 compliance. |
Applications
| 3-Phase Electronic Watt-Hour Meter | Revenue-Grade Utility Meter |
|---|---|
Use Scenario: Installed in residential/commercial 3-phase 4-wire service entrances for kWh/kVARh billing. IC Role / Device Role / Timing Role: Primary metrology SoC performing real-time voltage/current sampling, harmonic analysis, tariff switching, and secure data logging. Use Value: Eliminates external ADCs, DSPs, and security ICs - reduces BOM cost by ≥30% while meeting Class 0.2 accuracy requirements. |
Use Scenario: Embedded in MID-certified electricity meters deployed by EU utilities. IC Role / Device Role / Timing Role: System-on-chip handling metrology, display, communication (M-Bus, DLMS/COSEM), and cryptographic authentication. Use Value: Hardware AES-128 and tamper-detect RTC satisfy EN 13757-3 and IEC 62056-53 security mandates without firmware-only workarounds. |
| Smart Grid Edge Node | Energy Monitoring Gateway |
Use Scenario: Distributed grid monitoring unit measuring phase imbalance, voltage sags, and harmonics at substation feeders. IC Role / Device Role / Timing Role: High-precision sensing node with time-synchronized sampling (RTC + 32.768-kHz crystal) and event-triggered reporting. Use Value: 24-bit ADC resolution and 4-quadrant measurement enable detection of <1% voltage unbalance and sub-cycle fault events. |
Use Scenario: Retrofit energy monitor for commercial HVAC or lighting systems with legacy 3-phase panels. IC Role / Device Role / Timing Role: Standalone metering engine interfacing to shunts/CTs and communicating via UART-to-LoRaWAN bridge. Use Value: Ultra-low standby current (2.1 µA in LPM3) extends battery life to >10 years in wireless edge deployments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar polyphase metering applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F6776AIPZ | 256 KB flash, 16 KB RAM - doubles program storage for advanced tariff logic or multi-protocol stacks. | Better suited for meters requiring DLMS/COSEM over GPRS + local IR + PLC simultaneously. | Select when firmware complexity exceeds 128 KB or future OTA update headroom is required. |
| MSP430F6765AIPZ | 6 SD24_B ADCs (vs. 7), 128 KB flash, 16 KB RAM - lacks neutral-current measurement channel. | Targeted at 3-phase 3-wire delta configurations where neutral sensing is not mandated. | Choose for cost-sensitive 3-wire industrial meters where neutral current monitoring is unnecessary. |
Compared with MSP430F6776AIPZ and MSP430F6765AIPZ, the MSP430F6775AIPZ uniquely balances neutral-current capability, minimal secure firmware footprint, and LPM3.5 RTC retention - making it optimal for compact, certified 3-phase 4-wire meters with strict power budget constraints.
Availability
MSP430F6775AIPZ is available at Aetrix Electronics and suitable for 3-phase electronic watt-hour meters, utility metering infrastructure, and energy monitoring gateways requiring stable component supply, long-term lifecycle assurance, and TI-qualified metrology performance.
Supply support for MSP430F6775AIPZ 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 for industrial, automotive, and consumer markets.
The MSP430F6775AIPZ belongs to TI's Metrology and Monitoring MCU portfolio, engineered specifically for revenue-grade energy measurement in smart grid endpoints - emphasizing metrology accuracy, regulatory compliance, and ultra-low-power operation.
FAQ
What is the maximum number of current channels supported by the MSP430F6775AIPZ?
The MSP430F6775AIPZ supports up to seven independent 24-bit sigma-delta ADC channels, enabling simultaneous measurement of three phase currents, neutral current, and two auxiliary current paths (e.g., for leakage or auxiliary loads). This configuration is explicitly validated for 3-phase 4-wire star topologies in TI's Energy Measurement Design Center.
Does the MSP430F6775AIPZ include hardware-based encryption?
Yes, the MSP430F6775AIPZ integrates a dedicated hardware AES-128 encryption module compliant with FIPS 197. This accelerator offloads cryptographic operations from the CPU, enabling secure firmware updates, encrypted data logging, and DLMS/COSEM authentication without compromising real-time metrology performance.
What low-power modes are available on the MSP430F6775AIPZ, and what is the lowest current draw?
The MSP430F6775AIPZ offers multiple low-power modes including LPM3 (2.1 µA), LPM3.5 (0.34 µA), and LPM4.5 (0.18 µA). In LPM3.5, only the RTC and associated tamper-detection circuitry remain active - allowing timekeeping and security monitoring during AC mains failure with minimal energy storage requirements.
Can the MSP430F6775AIPZ meet ANSI C12.20 and IEC 62053 accuracy standards?
Yes, the MSP430F6775AIPZ is designed and characterized to meet or exceed ANSI C12.20 Class 0.2 and IEC 62053-22/23 Class 0.2 accuracy requirements. Its 24-bit SD24_B ADCs achieve <0.1% error over 2000:1 dynamic range, and TI provides pre-validated calibration libraries and test reports confirming compliance under defined operating conditions.
What development tools are officially supported for the MSP430F6775AIPZ?
Texas Instruments officially supports the MSP430F6775AIPZ with the Energy Measurement Design Center (EMDC) software, EVM430-F6779 three-phase evaluation module, and MSP-TS430PEU128 target board. EMDC automates ADC configuration, calibration, and energy result validation - significantly reducing time-to-certification for meter designs.
MSP430F6775AIPZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 100-LQFP
- Series:
- MSP430F6xx
- Packaging:
- Tray
- 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:
- 62
- 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:
MSP430F6775AIPZ FAQ
1.How can I place an order for MSP430F6775AIPZ through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F6775AIPZ 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 MSP430F6775AIPZ reliable?
The price and inventory of MSP430F6775AIPZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F6775AIPZ is usually 5 days.
3.What payment methods are accepted for MSP430F6775AIPZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F6775AIPZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F6775AIPZ?
MSP430F6775AIPZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F6775AIPZ 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 MSP430F6775AIPZ?
For technical support, including MSP430F6775AIPZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F6775AIPZ requirements.
6.How does Aetrix verify that MSP430F6775AIPZ is sourced from the original manufacturer or authorized distributors?
All MSP430F6775AIPZ 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 MSP430F6775AIPZ meets industry standards.
7.What is the process for return or replacement of MSP430F6775AIPZ?
All MSP430F6775AIPZ units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F6775AIPZ, 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 MSP430F6775AIPZ part is unused and in its original packaging.
Return procedure for MSP430F6775AIPZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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