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Texas Instruments MSP430F47176IPZ
- Part No.:
- MSP430F47176IPZ
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MSP430F47176IPZ.pdf
- Description:
- IC MCU 16BIT 92KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,881
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Product details
Overview
MSP430F47176IPZ from Texas Instruments is an ultralow-power mixed-signal microcontroller designed for poly-phase electricity metering, featuring 92KB Flash, 8KB RAM, six 16-bit sigma-delta ADCs with differential PGA inputs, integrated LCD driver for up to 160 segments, and four USCI modules supporting UART, IrDA, SPI, and I²C.
For engineers reviewing the MSP430F47176IPZ datasheet, MSP430F47176IPZ pinout, MSP430F47176IPZ application, or MSP430F47176IPZ equivalent, key selection considerations include sigma-delta ADC channel count, LCD segment drive capability, real-time clock integration, supply voltage supervisor programmability, and QFP-100 package compatibility with metering reference designs.
Technical Context
The MSP430F47176IPZ implements a 16-bit RISC CPU with 62.5-ns instruction cycle time, three-channel internal DMA, and dual 16-bit timers (Timer_A3 and Timer_B3) with capture/compare and shadow registers. Its SD16_A module supports six independent sigma-delta converters, each with differential input pairs and programmable gain, enabling simultaneous high-precision current/voltage sampling in multi-element energy meters.
It integrates a hardware 32-bit multiplier, Brownout Detector, programmable Supply Voltage Supervisor/Monitor, and on-chip emulation module. The device operates across 1.8 V–3.6 V, achieves wake-up from standby in <6 µs, and supports five low-power modes optimized for battery-backed or line-powered metering applications requiring long-term stability and low self-heating.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Flash Memory | 92KB - sufficient for full metrology firmware, communication stacks, and calibration data storage without external memory. |
| RAM | 8KB - supports concurrent ADC buffering, real-time calculations, and LCD frame buffer management. |
| Sigma-Delta ADC Channels | 6 × 16-bit - enables simultaneous measurement of 3-phase voltage + 3-phase current with differential PGA inputs per channel. |
| Supply Voltage Range | 1.8 V to 3.6 V - compatible with single-cell Li-ion, coin-cell backup, and regulated 3.3 V meter power rails. |
| Active Current @ 1 MHz | 350 µA at 2.2 V - ensures minimal self-heating during continuous metrology processing in sealed enclosures. |
| Standby Current | 1.1 µA - supports >10-year battery life in tamper-detection or time-of-use logging modes. |
| LCD Drive Capacity | Up to 160 segments with integrated contrast control - eliminates need for external bias generator in front-panel displays. |
Pinout & Package
Package: 100-pin plastic quad flatpack (QFP), PZ package, surface-mount, 0.5 mm pitch, JEDEC MS-026AC compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0.0+ / A0.0− | SD16_A analog input pair 0 | Differential input for first sigma-delta ADC channel; requires matched PCB routing and AVSS grounding per TI layout guidelines. |
| A3.0+ / A3.0− | SD16_A analog input pair 3 | Valid on MSP430F47176IPZ (x6 variant); unused pins must be shorted and tied to AVSS per datasheet Note 1. |
| P1.0/TA0 | Timer_A0 capture/compare / BSL transmit | Primary interface for bootloader programming via UART; also serves as general-purpose I/O or timer output. |
| P3.0/UCB0STE/UCA0CLK | USCI_B0 slave transmit enable / USCI_A0 clock | Configurable for SPI master/slave or UART clock sync; critical for isolated communication interfaces in metering designs. |
| P5.1–P5.4/COM0–COM3 | LCD common outputs | Drive LCD backplane signals; support static or multiplexed (1:3 or 1:4) display configurations up to 160 segments. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated SD16_A with 6 channels | Enables direct connection of shunt resistors or current transformers without external signal conditioning amplifiers. |
| Hardware multiplier (32×32) | Accelerates RMS, harmonic, and power factor calculations in firmware, reducing CPU load and latency. |
| Real-time clock (RTC) in Basic Timer | Supports time-of-use billing, tamper-event timestamping, and calendar-based load profiling without external RTC IC. |
| Four USCI modules (2×UART/IrDA/SPI + 2×I²C/SPI) | Allows concurrent HAN (Home Area Network), PLC (Power Line Communication), and local debug interfaces. |
| Programmable SVS level detection | Permits adaptive brownout response-e.g., trigger flash write protection before VCC drops below 2.4 V in battery backup mode. |
Applications
| Smart Electricity Meter | Industrial Power Quality Analyzer |
|---|---|
Use Scenario: Three-phase revenue-grade metering in utility substations and commercial buildings. IC Role / Device Role / Timing Role: Primary metrology controller executing IEEE 1459-compliant calculations, managing isolation interfaces, and driving segmented LCD display. Use Value: Six dedicated sigma-delta ADCs eliminate external multiplexing delays and maintain phase coherence across all voltage/current measurements. |
Use Scenario: Portable analyzer capturing harmonics, flicker, and transient events on industrial feeders. IC Role / Device Role / Timing Role: Real-time acquisition engine with synchronized sampling, FFT preprocessing, and nonvolatile event logging. Use Value: On-chip 8KB RAM buffers 10+ cycles of 16-bit sampled data at 16 kSPS while running background diagnostics. |
| Prepayment Energy Meter | Grid Edge Sensor Node |
Use Scenario: Tamper-resistant residential meter with RF/NFC top-up and local display. IC Role / Device Role / Timing Role: Secure host processor handling cryptographic validation, LCD UI, and secure EEPROM updates. Use Value: Integrated LCD driver with contrast control reduces BOM cost by removing external bias IC and potentiometer. |
Use Scenario: Solar-integrated distribution transformer monitor reporting voltage sag/swell and temperature. IC Role / Device Role / Timing Role: Low-power edge node performing periodic sampling, threshold-triggered alerts, and LoRaWAN packet assembly. Use Value: 1.1 µA standby current enables 5+ year operation on a single CR123A cell when paired with duty-cycled sensing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar mixed-signal metrology microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F47186IPZ | 116KB Flash, 8KB RAM, same 6-ADC configuration and QFP-100 package. | Preferred where larger firmware (e.g., DLMS/COSEM stack + OTA update handler) exceeds 92KB capacity. | Select when future firmware expansion headroom is required without changing PCB layout or peripheral initialization code. |
| MSP430F47177IPZ | 92KB Flash, 8KB RAM, seven 16-bit sigma-delta ADCs; otherwise identical peripheral set. | Suitable for 4-wire delta-wye hybrid meters or designs requiring redundant current sensing paths. | Choose only if seventh ADC channel is actively used-pin A6.0+/A6.0− must be routed and terminated per datasheet guidance. |
Compared with MSP430F47176IPZ, the MSP430F47186IPZ offers 24KB more Flash for complex communication protocols, while the MSP430F47177IPZ adds one ADC channel at no RAM or package change-both retain identical timing, power, and LCD capabilities for drop-in evaluation.
Availability
MSP430F47176IPZ is available at Aetrix Electronics and suitable for smart metering, industrial power monitoring, and grid-edge sensor applications requiring stable component supply, long lifecycle assurance, and traceable sourcing from authorized channels.
Supply support for MSP430F47176IPZ 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 over 50 years of innovation in precision analog and ultra-low-power design.
The MSP430F471xx product line was engineered specifically for electricity metering applications, integrating metrology-grade ADCs, LCD drivers, and low-power real-time processing to replace discrete analog front-ends and separate controllers.
FAQ
What is the maximum operating frequency of the MSP430F47176IPZ CPU?
The MSP430F47176IPZ features a 16-bit RISC CPU with a 62.5-ns instruction cycle time, corresponding to a maximum sustained core clock (MCLK) of 16 MHz. It achieves this using the integrated digitally controlled oscillator (DCO) with FLL+ frequency locking, and supports stable operation across its full 1.8 V–3.6 V supply range without external crystal dependency for basic timing.
Does the MSP430F47176IPZ support hardware-based AES encryption?
No, the MSP430F47176IPZ does not include a hardware AES accelerator. It relies on software-based cryptographic libraries for security functions such as DLMS/COSEM authentication. For hardware-accelerated encryption, designers should consider later-generation MSP430FR series or SimpleLink™ CC13x2 devices-not the MSP430F47176IPZ.
How many LCD segments can the MSP430F47176IPZ drive, and what bias configurations are supported?
The MSP430F47176IPZ integrates an LCD_A module capable of driving up to 160 segments using four commons (COM0–COM3). It supports static, 2-mux, 3-mux, and 4-mux configurations with programmable charge-pump voltage and contrast control, eliminating the need for external LCD bias generators in most meter display implementations.
Is the MSP430F47176IPZ pin-compatible with other devices in the MSP430F471xx family?
Yes, all MSP430F471xx devices-including MSP430F47176IPZ, MSP430F47186IPZ, and MSP430F47177IPZ-share identical 100-pin QFP (PZ) packaging and pinout. Unused ADC input pins (e.g., A6.0± on x6 variants) are NC but must be tied to AVSS; no PCB changes are required when migrating between x6/x7 variants within the same package option.
What development tools are recommended for debugging the MSP430F47176IPZ?
Texas Instruments recommends the MSP-FET430UIF (USB JTAG emulator) and MSP-TS430PZ100 target socket board for hardware debugging and flash programming of the MSP430F47176IPZ. These tools fully support the device's Embedded Emulation Module (EEM) and are validated for use with Code Composer Studio v6+ and IAR Embedded Workbench.
MSP430F47176IPZ 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:
- 8K 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:
MSP430F47176IPZ FAQ
1.How can I place an order for MSP430F47176IPZ through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F47176IPZ 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 MSP430F47176IPZ reliable?
The price and inventory of MSP430F47176IPZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F47176IPZ is usually 5 days.
3.What payment methods are accepted for MSP430F47176IPZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F47176IPZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F47176IPZ?
MSP430F47176IPZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F47176IPZ 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 MSP430F47176IPZ?
For technical support, including MSP430F47176IPZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F47176IPZ requirements.
6.How does Aetrix verify that MSP430F47176IPZ is sourced from the original manufacturer or authorized distributors?
All MSP430F47176IPZ 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 MSP430F47176IPZ meets industry standards.
7.What is the process for return or replacement of MSP430F47176IPZ?
All MSP430F47176IPZ units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F47176IPZ, 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 MSP430F47176IPZ part is unused and in its original packaging.
Return procedure for MSP430F47176IPZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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