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Texas Instruments MSP430F6765AIPZ
- Part No.:
- MSP430F6765AIPZ
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MSP430F6765AIPZ.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,673
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Product details
Overview
MSP430F6765AIPZ from Texas Instruments is a polyphase metering SoC designed for high-accuracy energy measurement in 3-phase utility meters. It integrates six 24-bit sigma-delta ADCs, a 25-MHz CPU with 32-bit multiplier, 128KB flash, 16KB RAM, LCD controller (320 segments), AES-128 encryption, and seven communication interfaces (4× UART/IrDA/SPI, 2× I²C/SPI) - all operating at <0.1% error over 2000:1 dynamic range per phase.
For engineers reviewing the MSP430F6765AIPZ datasheet, MSP430F6765AIPZ pinout, MSP430F6765AIPZ application, or MSP430F6765AIPZ equivalent, this device is selected for ANSI C12.20/IEC 62053-compliant smart meter designs requiring simultaneous voltage/current sampling, tamper-resistant RTC, low-power LCD operation (<3 µA in LPM3), and integrated metrology firmware execution.
Technical Context
The MSP430F6765AIPZ implements a dedicated metrology subsystem with six independent SD24_B sigma-delta modulators supporting differential inputs, programmable gain, and digital phase correction for CT-based current sensing. Its 24-bit ADCs feed into on-chip metrology calculation engine executing TI's Energy Measurement Library.
Digital architecture includes three-channel DMA, four 16-bit timers (9 capture/compare registers), hardware CRC-16, and six eUSCI modules - with eUSCI_A0–A3 configurable as UART/IrDA/SPI and eUSCI_B0–B1 as I²C/SPI - enabling concurrent HAN, PLC, and optical port communication in meter head designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Flash Memory | 128 KB single-cycle flash - sufficient for full metrology library, calibration tables, and secure boot code without external storage. |
| RAM | 16 KB SRAM with single-cycle access - supports real-time accumulation of active/reactive energy across three phases plus neutral. |
| Sigma-Delta ADCs | 6 × 24-bit SD24_B converters - enables simultaneous sampling of up to six analog channels (e.g., VA, VB, VC, IA, IB, IC) with <0.1% accuracy over 2000:1 dynamic range. |
| ADC10_A | 10-bit SAR ADC with 6 external + 2 internal channels - provides auxiliary measurements including supply voltage and die temperature for system health monitoring. |
| Ultra-Low Power Modes | LPM3: 2.1 µA @ 3 V; LPM3.5 (RTC only): 0.34 µA; LPM4.5 (shutdown): 0.18 µA - ensures >10-year battery backup for LCD and RTC during mains failure. |
| LCD Driver | Supports up to 320 segments with contrast control - drives full-feature 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 deployments. |
Pinout & Package
Package: 100-pin LQFP (PZ), 14 mm × 14 mm body size, 0.5 mm pitch, 62 I/O pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VREF | Reference voltage input | Accepts external 1.2-V reference for SD24_B ADCs; enables stable metrology performance independent of AVCC variation. |
| SD0P0/SD0N0 – SD3P0/SD3N0 | Sigma-delta ADC differential inputs | Four dedicated differential pairs for voltage/current sensor inputs (e.g., phase A/B/C voltages and neutral current). |
| SD4P0/SD4N0, SD5P0/SD5N0 | Additional sigma-delta ADC inputs | Two extra differential inputs support extended configurations such as auxiliary phase monitoring or dual-CT per phase. |
| COM0–COM7 | LCD common outputs | Eight COM lines drive multiplexed LCD segments; paired with S0–S127 for full 320-segment display capability. |
| eUSCI_A0–A3, eUSCI_B0–B1 | Universal serial interfaces | Configurable UART/IrDA/SPI (A ports) and I²C/SPI (B ports) enable concurrent optical port, PLC modem, and HAN communication. |
| RST/NMI/SBWTDIO | Reset/debug interface | Combined reset, non-maskable interrupt, and Spy-Bi-Wire debug I/O - allows in-system programming and field firmware updates. |
Key Features
| Feature | Design Value |
|---|---|
| 4-quadrant energy measurement | Accurate active/reactive power calculation per phase under generation, consumption, leading/lagging conditions - essential for bidirectional grid applications. |
| Digital phase correction | Compensates CT-induced phase shift in real time using on-chip DSP resources - eliminates need for external analog compensation networks. |
| Temperature-compensated energy measurement | Uses on-die temperature sensor and calibration coefficients to maintain <0.1% accuracy across –40°C to +85°C ambient - critical for outdoor meter installations. |
| Pulse output pins | Dedicated hardware pulse generators for active/reactive energy - provide calibrated kWh/kVArh outputs compatible with mechanical register interfaces or LED indicators. |
| Single calibration across 40–70 Hz | Eliminates line frequency recalibration - reduces factory test time and supports global deployment (50/60 Hz grids) with one firmware image. |
Applications
| Smart Electricity Meter (3-Phase) | Revenue-Grade Utility Metering |
|---|---|
Use Scenario: Installed in residential/commercial 3-phase 4-wire service entrances to measure billed energy consumption and detect theft. 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: Meets ANSI C12.20 Class 0.2 and IEC 62053-22 Class 0.5S accuracy requirements with no external precision op-amps or reference ICs. |
Use Scenario: Embedded in municipal or industrial utility metering gateways aggregating data from multiple endpoints. IC Role / Device Role / Timing Role: Central measurement engine with AES-128 encryption and tamper-detect RTC ensuring data integrity and regulatory compliance. Use Value: Hardware-accelerated metrology calculations reduce CPU load, enabling simultaneous DLMS/COSEM protocol stack execution and remote firmware updates. |
| Energy Monitoring System | Grid Edge Intelligence Node |
Use Scenario: Deployed in commercial building submeters to track HVAC, lighting, and machinery energy usage by circuit. IC Role / Device Role / Timing Role: High-resolution energy analyzer capturing per-phase harmonics, power factor, and demand peaks at 1-second intervals. Use Value: Six independent 24-bit ADCs enable true simultaneous sampling - avoids inter-channel skew errors that distort harmonic distortion (THD) calculations. |
Use Scenario: Integrated into distributed energy resource (DER) inverters or EVSE controllers for bidirectional energy accounting. IC Role / Device Role / Timing Role: Metrology co-processor handling 4-quadrant active/reactive energy accumulation and grid synchronization timing. Use Value: On-chip RTC with crystal offset calibration maintains ±2 ppm accuracy over temperature - enables precise time-of-use billing and grid event timestamping. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar polyphase metering applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F6766AIPZ | 256 KB flash, 16 KB RAM, same 6-ADC configuration and package | Supports larger metrology firmware images with extended diagnostics, waveform capture buffers, and multi-tariff logic | Select when future firmware expansion or advanced analytics (e.g., PQ disturbance detection) is required |
| MSP430F6765AIPEU | Same flash/RAM/ADC specs but 128-pin LQFP (90 I/O) vs. 100-pin (62 I/O) | Enables additional GPIO for external sensors, relay drivers, or expanded communication peripherals | Select when board layout requires more general-purpose I/O or compatibility with existing 128-pin meter reference designs |
Compared with MSP430F6765AIPZ, the MSP430F6766AIPZ offers double flash capacity for enhanced firmware features without changing power or metrology performance, while the MSP430F6765AIPEU retains identical functional specs but provides 28 extra I/O pins for system-level flexibility - neither is pin-compatible due to differing package footprints.
Availability
MSP430F6765AIPZ is available at Aetrix Electronics and suitable for smart electricity metering, revenue-grade utility metering, and industrial energy monitoring applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for MSP430F6765AIPZ 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 company delivering analog and embedded processing solutions, with leadership in low-power microcontrollers and precision metrology ICs.
The MSP430F6765AIPZ belongs to TI's Metrology and Monitoring MCU portfolio, engineered specifically for ANSI/IEC-compliant energy measurement systems where accuracy, security, and ultra-low standby power are mandatory.
FAQ
What is the maximum number of simultaneous analog inputs supported by the MSP430F6765AIPZ?
The MSP430F6765AIPZ supports up to six simultaneous differential analog inputs via its SD24_B sigma-delta ADCs (SD0–SD5), plus two internal channels (supply voltage and temperature) and six external channels on the 10-bit ADC10_A - enabling full 3-phase + neutral voltage/current acquisition with auxiliary monitoring.
Does the MSP430F6765AIPZ include hardware acceleration for metrology calculations?
Yes, the MSP430F6765AIPZ integrates a 25-MHz CPU with 32-bit hardware multiplier and three-channel DMA to accelerate TI's Energy Measurement Library. This enables real-time computation of active/reactive energy, RMS, harmonics, and power quality metrics without external DSP.
How does the MSP430F6765AIPZ meet ANSI C12.20 and IEC 62053 standards?
The MSP430F6765AIPZ achieves <0.1% accuracy over 2000:1 dynamic range per phase, supports 4-quadrant measurement, includes digital phase correction for CTs, and provides temperature-compensated energy calculation - all verified against ANSI C12.20 Class 0.2 and IEC 62053-22 Class 0.5S test procedures in TI's certified lab.
What low-power modes are available on the MSP430F6765AIPZ for battery-backed operation?
The MSP430F6765AIPZ offers LPM3 (2.1 µA), LPM3.5 (RTC-only mode at 0.34 µA), and LPM4.5 (shutdown at 0.18 µA). In LPM3, the LCD continues operating at <3 µA - allowing persistent display during AC mains failure while retaining metrology data in RAM.
Can the MSP430F6765AIPZ generate calibrated pulse outputs for energy registration?
Yes, the MSP430F6765AIPZ includes dedicated hardware pulse output pins for active and reactive energy. These outputs are fully calibrated in firmware and synchronized to metrology calculations - directly driving mechanical registers or LED indicators without external logic.
MSP430F6765AIPZ 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, 6x24b 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:
MSP430F6765AIPZ FAQ
1.How can I place an order for MSP430F6765AIPZ through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F6765AIPZ 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 MSP430F6765AIPZ reliable?
The price and inventory of MSP430F6765AIPZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F6765AIPZ is usually 5 days.
3.What payment methods are accepted for MSP430F6765AIPZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F6765AIPZ transactions.
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4.How is shipping managed for MSP430F6765AIPZ?
MSP430F6765AIPZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F6765AIPZ 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 MSP430F6765AIPZ?
For technical support, including MSP430F6765AIPZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F6765AIPZ requirements.
6.How does Aetrix verify that MSP430F6765AIPZ is sourced from the original manufacturer or authorized distributors?
All MSP430F6765AIPZ 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 MSP430F6765AIPZ meets industry standards.
7.What is the process for return or replacement of MSP430F6765AIPZ?
All MSP430F6765AIPZ units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F6765AIPZ, 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 MSP430F6765AIPZ part is unused and in its original packaging.
Return procedure for MSP430F6765AIPZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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