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Texas Instruments MSP430F6769IPZR
- Part No.:
- MSP430F6769IPZR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MSP430F6769IPZR.pdf
- Description:
- IC MCU 16BIT 512KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,501
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Product details
Overview
MSP430F6769IPZR from Texas Instruments is a polyphase metering SoC designed for 3-phase electronic watt-hour meters, featuring six 24-bit sigma-delta ADCs, 512KB flash, 32KB RAM, and integrated LCD controller supporting up to 320 segments. It delivers <0.1% energy measurement accuracy over 2000:1 dynamic range and meets ANSI C12.20 and IEC 62053 standards for revenue-grade utility metering.
For engineers reviewing the MSP430F6769IPZR datasheet, MSP430F6769IPZR pinout, MSP430F6769IPZR application, or MSP430F6769IPZR equivalent, this device is selected for high-accuracy polyphase energy metering systems requiring integrated metrology, ultra-low-power RTC operation (0.34 µA in LPM3.5), hardware AES-128 encryption, and multi-interface communication (UART/SPI/I²C) in compact LQFP-100 packaging.
Technical Context
The MSP430F6769IPZR implements a dedicated metrology subsystem with six independent SD24_B sigma-delta modulators for simultaneous phase/neutral current and voltage sampling, plus a system 10-bit ADC for auxiliary sensing. Its 25-MHz CPU with 32-bit hardware multiplier executes TI's certified energy measurement library for active/reactive power, RMS, harmonics, and tariff management.
Power architecture includes dual-domain supply (AVCC/DVCC), auxiliary supplies (AUXVCC1–3) for isolated metrology biasing, and automatic switching between main and backup power sources. The device supports four-quadrant energy calculation per phase and digital phase correction for CT-based current sensing across 40–70 Hz line frequencies using single-point calibration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ADC Resolution | Six 24-bit sigma-delta converters (SD24_B) for metrology-grade current/voltage sampling |
| Energy Accuracy | <0.1% error over 2000:1 dynamic range, compliant with ANSI C12.20 Class 0.1 and IEC 62053-21/22 |
| CPU Speed | 25-MHz MSP430 core with 32-bit hardware multiplier for real-time energy calculations |
| Memory | 512KB single-cycle flash + 32KB single-cycle RAM for firmware and measurement buffers |
| Low-Power Modes | LPM3.5 (RTC mode): 0.34 µA at 3 V; LPM4.5 (shutdown): 0.18 µA at 3 V |
| Communication | Six eUSCI ports configurable as four UART, six SPI, or two I²C interfaces |
| LCD Support | Integrated LCD_C controller driving up to 320 segments with programmable contrast |
Pinout & Package
Package: 100-pin LQFP (PZ), body size 14 mm × 14 mm, industrial temperature range (–40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1–8, 10–17, 19–21, 24–25, 27–37, 39–62, 64–86, 88–100 | General-purpose I/O / Peripheral multiplexed | 90 GPIO pins with configurable drive strength, Schmitt-trigger inputs, and peripheral mapping (eUSCI, timers, ADC) |
| 113 (VREF) | Analog reference input | External precision reference input for SD24_B modulators; enables high-accuracy metrology calibration |
| 114–117 (SD4P0–SD5N0) | Sigma-delta analog inputs | Differential inputs for fourth and fifth SD24_B channels; support shunt/CT/Rogowski sensor interfacing |
| 46–49, 51–52, 54–55, 57–60, 63, 65–68, 71–77, 87–90, 92, 93–96, 98–101, 102–103, 104–112, 118–120 | Power, ground, clock, reset | Dual-domain supply (AVCC/DVCC/VASYS/VCORE), crystal oscillator (XIN/XOUT), RTC capacitor (RTCCAP0/1), and JTAG/SBW debug interface |
Key Features
| Feature | Design Value |
|---|---|
| Dedicated metrology ADCs | Six 24-bit SD24_B modulators enable simultaneous 3-phase + neutral current/voltage sampling without external signal conditioning |
| Hardware AES-128 | On-chip encryption engine secures firmware updates, meter data, and anti-tamper logs without CPU overhead |
| Pulse output capability | Dedicated active/reactive energy pulse pins (e.g., P1.6/COM2, P1.7/COM3) simplify calibration and verification in production test |
| Digital phase correction | Real-time software-compensated phase angle adjustment for current transformers eliminates hardware compensation networks |
| Temperature-compensated RTC | Password-protected real-time clock with crystal offset calibration and on-chip temperature sensor maintains ±2 ppm accuracy across –40°C to +85°C |
Applications
| Smart Electricity Meter | Industrial Energy Monitor |
|---|---|
Use Scenario: Revenue-grade 3-phase 4-wire meter installed at utility distribution points for billing and grid analytics. IC Role / Device Role / Timing Role: Primary metrology SoC performing real-time active/reactive energy accumulation, harmonic analysis, and tariff switching. Use Value: Eliminates need for external metrology ICs and FPGA logic; achieves Class 0.1 accuracy with single-chip integration and TI-certified software library. | Use Scenario: Panel-mounted energy monitor in manufacturing plants tracking per-machine consumption and peak demand. IC Role / Device Role / Timing Role: Standalone energy measurement node with local LCD display and RS-485 communication to SCADA systems. Use Value: Ultra-low standby current (0.34 µA in LPM3.5) enables >10-year battery life during mains failure; integrated LCD driver reduces BOM count by 3+ components. |
| AMI Gateway Node | Prepayment Meter Controller |
Use Scenario: Two-way communication node aggregating data from multiple submeters and relaying via PLC or RF mesh. IC Role / Device Role / Timing Role: Host processor managing AMI protocol stack (DLMS/COSEM), secure key exchange, and time-synchronized data logging. Use Value: Six eUSCI ports allow concurrent PLC modem, RF transceiver, and local HMI interfaces without external bus expanders. | Use Scenario: Pay-as-you-go electricity meter with tamper detection, credit validation, and local display of remaining balance. IC Role / Device Role / Timing Role: Secure metering controller executing encrypted credit validation, anti-tamper event logging, and LCD-based user interface. Use Value: Integrated security modules (AES-128, password-protected RTC, tamper detect pins) meet IEC 62053-31 prepayment certification requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar polyphase metering applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F6779IPZ | Seven SD24_B ADCs (vs. six), same 100-pin LQFP package, identical peripherals and memory | Supports 3-phase + neutral + auxiliary measurement channel; required for advanced harmonic or leakage monitoring | Select when seventh metrology channel is needed for compliance with IEC 62053-22 Annex B or enhanced diagnostics |
| MSP430F6769IPEU | Same core specs but 128-pin LQFP (PEU) package with 90 I/O pins vs. 62 on IPZR | Enables more external sensors, larger LCD, or additional isolation interfaces due to higher pin count | Select when board layout requires >62 GPIO or additional analog/digital resources beyond IPZR's 100-pin constraint |
Compared with MSP430F6779IPZ, the MSP430F6769IPZR offers identical metrology performance and security features but omits one SD24_B channel-sufficient for standard 3-phase+neutral metering. Versus MSP430F6769IPEU, it trades 28 GPIO pins for smaller footprint and lower PCB cost in space-constrained meter designs.
Availability
MSP430F6769IPZR is available at Aetrix Electronics and suitable for smart electricity meters, industrial energy monitors, and AMI gateway nodes requiring stable component supply, long-term lifecycle support, and TI-qualified metrology performance.
Supply support for MSP430F6769IPZR 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 with emphasis on low-power, high-precision, and industrial reliability.
The MSP430F6769IPZR belongs to TI's polyphase metering SoC product line, engineered specifically for revenue-grade utility meters that demand certified accuracy, integrated security, and ultra-low-power operation across extended temperature ranges.
FAQ
What metrology standards does the MSP430F6769IPZR comply with?
The MSP430F6769IPZR meets or exceeds ANSI C12.20 Class 0.1 and IEC 62053-21/22 standards for active and reactive energy measurement accuracy. Its six 24-bit sigma-delta ADCs, digital phase correction, and temperature-compensated algorithms enable <0.1% error over 2000:1 dynamic range - verified using TI's certified energy measurement software library included with the device.
Does the MSP430F6769IPZR support hardware encryption?
Yes, the MSP430F6769IPZR integrates a dedicated hardware AES-128 encryption module. This enables secure firmware updates, encrypted meter data transmission, and tamper-proof logging without consuming CPU cycles - critical for prepayment and AMI applications requiring IEC 62053-31 or DLMS/COSEM compliance. The module operates independently of the main CPU and supports key storage in protected memory.
What is the lowest power consumption mode of the MSP430F6769IPZR during meter standby?
In RTC mode (LPM3.5), the MSP430F6769IPZR consumes just 0.34 µA at 3 V while maintaining calendar time, alarm functionality, and wake-up capability in under 5 µs. This enables >10-year battery life in backup power scenarios - essential for uninterrupted data retention and time-stamped event logging during AC mains failure.
How many analog input channels does the MSP430F6769IPZR support for energy measurement?
The MSP430F6769IPZR supports six independent 24-bit sigma-delta ADC channels (SD24_B) optimized for metrology, plus a separate 10-bit system ADC with six external channels for auxiliary sensing (temperature, supply voltage, etc.). The SD24_B channels accept differential inputs and variable gain, enabling direct connection to current transformers, Rogowski coils, or shunt resistors across all three phases and neutral.
Is the MSP430F6769IPZR pin-compatible with other devices in the F676x family?
Yes, the MSP430F6769IPZR shares identical pinout and electrical characteristics with all other 100-pin LQFP (PZ) variants in the F676x family, including MSP430F6768IPZ and MSP430F6767IPZ. This allows seamless migration between memory/configurations without PCB redesign - provided the application does not require the seventh SD24_B channel present only in F677x devices.
MSP430F6769IPZR 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, 6x24b Sigma Delta Converter
- Number of I/O:
- 62
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K 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:
MSP430F6769IPZR FAQ
1.How can I place an order for MSP430F6769IPZR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F6769IPZR 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 MSP430F6769IPZR reliable?
The price and inventory of MSP430F6769IPZR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F6769IPZR is usually 5 days.
3.What payment methods are accepted for MSP430F6769IPZR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F6769IPZR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F6769IPZR?
MSP430F6769IPZR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F6769IPZR 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 MSP430F6769IPZR?
For technical support, including MSP430F6769IPZR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F6769IPZR requirements.
6.How does Aetrix verify that MSP430F6769IPZR is sourced from the original manufacturer or authorized distributors?
All MSP430F6769IPZR 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 MSP430F6769IPZR meets industry standards.
7.What is the process for return or replacement of MSP430F6769IPZR?
All MSP430F6769IPZR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F6769IPZR, 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 MSP430F6769IPZR part is unused and in its original packaging.
Return procedure for MSP430F6769IPZR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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