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Texas Instruments MSP430F47166IPZ
- Part No.:
- MSP430F47166IPZ
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MSP430F47166IPZ.pdf
- Description:
- IC MCU 16BIT 92KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MSP430F47166IPZ from Texas Instruments is an ultralow-power mixed-signal microcontroller designed for poly-phase electricity metering applications. It integrates six 16-bit sigma-delta ADCs with differential PGA inputs, 92KB flash, 4KB RAM, integrated LCD driver (160 segments), and four USCI modules supporting UART, IrDA, SPI, and I²C - enabling direct connection to metrology sensors and display interfaces in Class 0.2/0.5 energy meters.
For engineers reviewing the MSP430F47166IPZ datasheet, MSP430F47166IPZ pinout, MSP430F47166IPZ application, or MSP430F47166IPZ equivalent, key selection considerations include its six-channel SD16_A ADC configuration, 100-pin QFP package with dedicated analog input pairs (A0.0± through A5.0±), real-time clock capability, and support for E-meter reference designs per SLAA409.
Technical Context
The MSP430F47166IPZ implements a 16-bit RISC CPU with 62.5-ns instruction cycle time and three-channel DMA to offload ADC data transfers without CPU intervention. Its FLL+ system enables sub-6-µs wake-up from LPM4, critical for periodic sampling in battery-backed metering systems.
It features dual crystal oscillator support (XT1 for low-frequency RTC, XT2 for high-speed system clock), programmable SVS/SVM voltage monitoring, and hardware multiplier for fast RMS/energy calculations. The SD16_A module supports up to 128x oversampling and internal gain control across all six ADC channels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 16 registers and constant generators; enables single-cycle register operations and high code efficiency for metrology firmware. |
| Flash / RAM | 92KB flash memory and 4KB RAM - sufficient for full IEC 62056-compliant metering firmware including tariff logic, tamper detection, and communication stacks. |
| Sigma-Delta ADCs | Six independent 16-bit SD16_A converters, each with differential PGA inputs and programmable gain - supports simultaneous voltage/current channel sampling in 3-phase meters. |
| Power Consumption | Active mode: 350 µA at 1 MHz/2.2 V; Standby: 1.1 µA; Off mode (RAM retention): 0.2 µA - enables >10-year battery life in AMI endpoint designs. |
| Package | 100-pin plastic QFP (PZ); provides dedicated analog input pins (A0.0± to A5.0±), 68 GPIOs, and integrated LCD segment/common drivers for direct 160-segment display interface. |
| Communication Interfaces | Four USCI modules: USCI_A0/A1 (UART/IrDA/SPI), USCI_B0/B1 (I²C/SPI) - supports HAN, PLC, RF, and optical port connectivity in smart meter gateways. |
| Operating Voltage | 1.8 V to 3.6 V supply range - compatible with standard lithium-thionyl chloride batteries and regulated 3.3 V rails in meter power supplies. |
Pinout & Package
Package: 100-pin plastic quad flatpack (QFP), PZ package, surface-mount, 0.5 mm pitch. Thermal pad not present. RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0.0+/A0.0− | SD16_A analog input pair 0 | Dedicated differential input for first current/voltage channel; requires external RC filter and matched trace routing for metrology-grade accuracy. |
| A1.0+/A1.0− | SD16_A analog input pair 1 | Second independent differential input for phase B sensing; supports programmable PGA gain (1×–16×) to accommodate shunt or CT signal levels. |
| A2.0+/A2.0− | SD16_A analog input pair 2 | Third differential input for phase C; shares same SD16_A module timing and calibration registers as A0/A1. |
| A3.0+/A3.0− | SD16_A analog input pair 3 | Fourth differential input; enabled only on x6/x7 variants - used for neutral current, auxiliary voltage, or temperature compensation sensing. |
| A4.0+/A4.0− | SD16_A analog input pair 4 | Fifth differential input; supports simultaneous sampling with other channels via SD16_A's multi-channel conversion sequencing. |
| A5.0+/A5.0− | SD16_A analog input pair 5 | Sixth differential input; allows full 3-phase + neutral + auxiliary measurement without external multiplexing or additional ADCs. |
| P5.0/SVSIN | Analog input / SVS monitor | Connects to internal supply voltage supervisor; enables programmable brownout threshold detection for safe power-fail handling in meter firmware. |
| RST/NMI | Reset / non-maskable interrupt | Hardware reset input with Schmitt-trigger; also serves as NMI source for critical events like tamper detection or emergency shutdown. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated LCD driver | Drives up to 160 segments with built-in contrast control and multiple mux options (1/2/3/4), eliminating external bias circuitry in portable meter displays. |
| Real-time clock (RTC) | Basic Timer with calendar mode and alarm interrupts - enables accurate time-of-use (TOU) billing, demand logging, and firmware scheduling without external RTC IC. |
| Three-channel DMA | Automates transfer of ADC conversion results to RAM or peripheral registers, freeing CPU for computation during high-sample-rate metrology cycles. |
| Ultralow-power operation | Five software-selectable low-power modes (LPM0–LPM4); LPM4 draws only 0.2 µA with RAM retention - ideal for battery-powered meter sleep states. |
| On-chip emulation | Embedded Emulation Module (EEM) supports full-speed debugging, flash programming, and real-time trace via JTAG - accelerates meter firmware validation. |
Applications
| 3-Phase Energy Meter | Revenue-Grade Submeter |
|---|---|
Use Scenario: Measurement of active/reactive power, harmonics, and demand in industrial 3-phase distribution panels. IC Role / Device Role / Timing Role: Primary metrology controller performing simultaneous sampling of six analog channels (3V+3I), RMS/THD calculation, and IEC 62053-22 compliance reporting. Use Value: Six dedicated sigma-delta ADCs eliminate external multiplexers and reduce phase mismatch error below 0.05°, meeting Class 0.2 accuracy requirements. |
Use Scenario: Tenant-level energy monitoring in commercial buildings with tariff-based billing and remote data upload. IC Role / Device Role / Timing Role: Standalone metering SoC managing sensor interface, LCD display, optical/PLC communication, and secure data storage. Use Value: Integrated USCI modules and 92KB flash enable full DLMS/COSEM stack implementation without external co-processor or memory expansion. |
| AMI Endpoint Node | Smart Grid Fault Detector |
Use Scenario: Two-way communication node collecting consumption data and executing remote connect/disconnect commands. IC Role / Device Role / Timing Role: Host processor for HAN protocols (M-Bus, Zigbee SE) and secure firmware updates over RF or PLC links. Use Value: Hardware multiplier and DMA accelerate AES-128 encryption and packet processing, reducing radio-on time and extending battery life. |
Use Scenario: Real-time detection of voltage sags, swells, interruptions, and harmonic distortion at grid edge points. IC Role / Device Role / Timing Role: High-speed waveform capture engine using SD16_A oversampling and timer-triggered burst acquisition. Use Value: Sub-6-µs wake-up from LPM4 allows immediate response to event triggers, capturing pre-event samples for PQ analysis per IEEE 1159. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F47176IPZ | Same 100-pin QFP package and six SD16_A ADCs, but with 8KB RAM instead of 4KB - no flash size difference (92KB). | Preferred when firmware requires larger runtime buffers for multi-tariff logging, extended communication stacks, or floating-point math libraries. | Select MSP430F47176IPZ if RAM headroom is constrained in complex AMI firmware; otherwise, MSP430F47166IPZ offers optimal cost/performance for standard metering. |
| MSP430F47186IPZ | Same pinout and peripheral set, but with 116KB flash and 8KB RAM - increases firmware capacity for advanced diagnostics, OTA updates, and dual-application partitioning. | Suitable for next-generation meters requiring field-upgradable security modules, ML-based anomaly detection, or multi-protocol support (DLMS + OSGP). | Choose MSP430F47186IPZ for future-proofing and feature-rich deployments; MSP430F47166IPZ remains ideal for cost-sensitive, production-volume meter designs. |
Compared with MSP430F47176IPZ and MSP430F47186IPZ, the MSP430F47166IPZ delivers identical metrology ADC performance and interface capability at lower memory cost - making it the most economical choice for Class 0.5 meters and fixed-feature firmware deployments.
Availability
MSP430F47166IPZ is available at Aetrix Electronics and suitable for 3-phase energy metering, revenue-grade submetering, and smart grid endpoint applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for MSP430F47166IPZ 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 digital signal technologies with over 50 years of innovation in precision measurement and low-power design.
The MSP430F471xx product line was engineered specifically for electricity metering - integrating metrology-grade sigma-delta ADCs, RTC, LCD drivers, and ultra-low-power operation to replace discrete metrology ASICs in Class 0.2/0.5 meters.
FAQ
What is the maximum sampling rate supported by the SD16_A module in MSP430F47166IPZ?
The SD16_A module in MSP430F47166IPZ supports up to 128 ksps aggregate sampling across all six channels when configured for 16-bit resolution with minimal oversampling. Individual channel rates depend on oversampling ratio and conversion mode - typical metrology use achieves 8 ksps per channel with 64× oversampling for noise reduction. This is confirmed in the SD16_A section of SLAS626C.
Does MSP430F47166IPZ support hardware-accelerated cryptographic functions?
No, MSP430F47166IPZ does not include dedicated cryptographic accelerators. It relies on its 32-bit hardware multiplier for efficient integer arithmetic in AES-128 or SHA-1 software implementations. Secure boot and key storage require external secure elements or careful firmware-based key management - as documented in TI's MSP430 security guidelines.
Can MSP430F47166IPZ drive a 4-mux LCD without external components?
Yes, MSP430F47166IPZ integrates a full LCD_A controller supporting static, 2-mux, 3-mux, and 4-mux configurations with up to 160 segments. It provides internal charge pump, contrast control via software registers, and dedicated COM/SEG pins - eliminating need for external bias generators or resistors in compliant 4-mux displays.
What is the function of pins A3.0+ and A3.0− on MSP430F47166IPZ?
A3.0+ and A3.0− are the fourth differential analog input pair for the SD16_A module. They are fully functional on MSP430F47166IPZ (an x6-series device) and support the same PGA gain settings, offset calibration, and conversion sequencing as A0.0±–A2.0± - enabling dedicated sensing of neutral current or auxiliary voltage in 3-phase+neutral meter topologies.
Is MSP430F47166IPZ qualified for industrial temperature range operation?
Yes, MSP430F47166IPZ is specified for operation from –40°C to +85°C, as confirmed in the "Available Options" table of SLAS626C. This qualification supports deployment in outdoor meter enclosures, utility substations, and unconditioned industrial environments without derating.
MSP430F47166IPZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 100-LQFP
- Series:
- MSP430x4xx
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- I2C, IrDA, LINbus, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT
- Number of I/O:
- 68
- Program Memory Size:
- 92KB (92K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 6x16b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F47166IPZ FAQ
1.How can I place an order for MSP430F47166IPZ through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F47166IPZ 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 MSP430F47166IPZ reliable?
The price and inventory of MSP430F47166IPZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F47166IPZ is usually 5 days.
3.What payment methods are accepted for MSP430F47166IPZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F47166IPZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F47166IPZ?
MSP430F47166IPZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F47166IPZ 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 MSP430F47166IPZ?
For technical support, including MSP430F47166IPZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F47166IPZ requirements.
6.How does Aetrix verify that MSP430F47166IPZ is sourced from the original manufacturer or authorized distributors?
All MSP430F47166IPZ 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 MSP430F47166IPZ meets industry standards.
7.What is the process for return or replacement of MSP430F47166IPZ?
All MSP430F47166IPZ units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F47166IPZ, 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 MSP430F47166IPZ part is unused and in its original packaging.
Return procedure for MSP430F47166IPZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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