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Texas Instruments MSP430F5435AIPN
- Part No.:
- MSP430F5435AIPN
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
MSP430F5435AIPN.pdf
- Description:
- IC MCU 16BIT 192KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,880
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Product details
Overview
MSP430F5435AIPN from Texas Instruments is an ultra-low-power 16-bit RISC microcontroller in an 80-pin LQFP package, featuring 192 KB flash, 16 KB RAM, a 12-bit ADC with 14 external channels, three 16-bit timers (TA0/TA1/TB0), and four USCI modules supporting UART/IrDA/SPI/I²C. It targets battery-powered sensor systems and portable measurement devices.
For engineers reviewing the MSP430F5435AIPN datasheet, MSP430F5435AIPN pinout, MSP430F5435AIPN application, or MSP430F5435AIPN equivalent, key selection criteria include standby current (1.7 µA at 3.0 V), wake-up time (3.5 µs), integrated LDO core regulation, RTC capability, and dual-USCI support for concurrent serial protocols.
Technical Context
The MSP430F5435AIPN implements a unified clock system with FLL stabilization, dual crystal support (32 kHz XT1 + up to 32 MHz XT2), and internal VLO/REFO sources. Its power-management architecture includes programmable core voltage via on-chip LDO, brownout detection, and five low-power modes (LPM0–LPM4.5).
Peripherals are tightly synchronized: ADC12_A uses dedicated ADC12CLK derived from MCLK/SMCLK/ACLK; DMA supports three-channel transfers between peripherals and memory; and timer outputs feed directly into USCI baud-rate generators and PWM-capable pins without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPUXV2 with constant generators for optimized code density and execution efficiency |
| Flash / RAM | 192 KB flash (in-system programmable) and 16 KB SRAM for firmware storage and real-time data buffering |
| ADC Resolution | 12-bit SAR ADC with autoscan, 14 external + 2 internal analog inputs, 200 ksps max sampling rate |
| Timers | Three independent 16-bit timers: TA0 (5 CC), TA1 (3 CC), TB0 (7 CC) with capture, compare, PWM, and RTC functions |
| USCI Interfaces | Four USCI modules: two USCI_A (UART/IrDA/SPI) and two USCI_B (I²C/SPI), enabling simultaneous multi-protocol communication |
| Low-Power Modes | LPM3 (1.7 µA @ 3.0 V, RTC active), LPM4 (1.2 µA), LPM4.5 (0.1 µA) with full RAM retention and sub-µs wakeup |
| Supply Range | 1.8 V to 3.6 V operation with integrated LDO allowing stable core voltage under varying input conditions |
Pinout & Package
Package: 80-pin LQFP (PN), 12 mm × 12 mm body size, exposed thermal pad not specified.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0/TA0CLK/ACLK | Multi-function I/O | Primary ACLK output source; also accepts external clock for Timer_A0; enables precise low-frequency timing |
| P2.4/RTCCLK | Dedicated RTC output | Drives external RTC circuitry or serves as system tick source; configurable frequency division |
| P3.4/UCA0TXD/UCA0SIMO | USCI_A0 transmit | Full-duplex UART transmit or SPI master-out/slave-in; supports automatic baud-rate detection |
| P5.0/A8/VREF+/VeREF+ | Analog reference I/O | Provides internal reference voltage to ADC or accepts external reference; critical for precision measurement accuracy |
| P7.0/XIN & P7.1/XOUT | XT1 oscillator terminals | Supports 32.768 kHz crystal for RTC and low-power clocking; essential for calendar/timekeeping functionality |
| RST/NMI/SBWTDIO | Reset/debug interface | Single-pin JTAG/Spy-Bi-Wire entry point; enables in-system programming and debug without external voltage |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low standby current | 1.7 µA at 3.0 V with RTC, watchdog, and full RAM retention-enables multi-year battery life in metering applications |
| FLL-based clock stabilization | Automatically locks DCO to crystal or external reference, eliminating manual calibration and ensuring ±1% frequency accuracy |
| Hardware multiplier | 32-bit MAC operations in single cycle-accelerates filtering, FFT, and sensor fusion algorithms without CPU overhead |
| Integrated LDO regulator | Programmable core voltage (1.3–1.45 V) reduces dynamic power by >30% versus fixed-core MCUs at same clock speed |
| DMA with peripheral triggers | Three-channel DMA moves ADC results or USCI data directly to RAM, freeing CPU for computation during I/O bursts |
Applications
| Smart Energy Metering | Portable Gas Detector |
|---|---|
Use Scenario: Utility-grade electricity meter with tamper detection, harmonic analysis, and wireless reporting. IC Role / Device Role / Timing Role: Main controller executing metrology algorithms, managing LCD display, and handling RF communication via USCI_B. Use Value: LPM3 current of 1.7 µA enables >10-year battery backup for real-time clock and event logging during mains outage. | Use Scenario: Handheld industrial gas analyzer with electrochemical sensors and Bluetooth LE interface. IC Role / Device Role / Timing Role: Sensor signal acquisition (ADC12_A), digital filtering (MPY32), and dual-protocol comms (USCI_A for UART debug, USCI_B for I²C sensor bus). Use Value: 3.5 µs wake-up from LPM4 ensures rapid response to alarm thresholds while maintaining <2 µA average system current. |
| Wireless Remote Thermostat | Industrial RTU Node |
Use Scenario: Battery-powered HVAC thermostat with Zigbee or Sub-GHz radio and local temperature/humidity sensing. IC Role / Device Role / Timing Role: Central MCU coordinating sensor reads, PID control loop, and radio sleep/wake scheduling via RTC_A alarms. Use Value: Integrated RTC with calendar mode and alarm interrupts eliminates need for external real-time clock IC, reducing BOM count. | Use Scenario: DIN-rail mounted remote terminal unit collecting analog process signals and communicating via RS-485 Modbus. IC Role / Device Role / Timing Role: Protocol gateway translating Modbus RTU (USCI_A) to internal SPI sensor interfaces and ADC-triggered data logging. Use Value: Four USCI modules allow concurrent UART (Modbus), SPI (flash memory), and I²C (temperature sensor) without software multiplexing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F5437AIPN | 256 KB flash, identical RAM, timers, ADC, and USCI count; same 80-pin PN package | Higher firmware capacity supports larger protocol stacks (e.g., full BLE host stack) or extended feature sets | Select when firmware size exceeds 192 KB or future-proofing against code growth is required |
| MSP430F5418AIPN | 128 KB flash, identical RAM, timers, ADC, and USCI count; same 80-pin PN package | Lower cost and reduced flash footprint suitable for fixed-function controllers with minimal firmware updates | Select for cost-sensitive, functionally locked applications where 128 KB flash suffices |
Compared with MSP430F5437AIPN and MSP430F5418AIPN, the MSP430F5435AIPN delivers optimal balance of flash capacity (192 KB), ultra-low-power performance, and peripheral integration for mid-complexity sensor nodes requiring field-upgradable firmware but not full-stack protocol support.
Availability
MSP430F5435AIPN is available at Aetrix Electronics and suitable for smart metering, portable instrumentation, wireless thermostats, and industrial RTU nodes requiring stable component supply across long product lifecycles.
Supply support for MSP430F5435AIPN 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 headquartered in Dallas, Texas, delivering analog and embedded processing solutions for industrial, automotive, and consumer markets.
The MSP430F5435AIPN belongs to TI's MSP430F5xx ultra-low-power microcontroller family, designed specifically for battery-operated measurement and sensing applications demanding nanowatt-level standby power and fast wake-up responsiveness.
FAQ
What is the maximum system clock frequency supported by the MSP430F5435AIPN?
The MSP430F5435AIPN supports a maximum system clock frequency of 25 MHz, achieved using the FLL-controlled DCO with high-frequency crystal (XT2) up to 32 MHz or internal reference sources. This allows real-time signal processing at higher throughput while maintaining ultra-low-power operation in active mode (230 µA/MHz at 8 MHz, 3.0 V).
Does the MSP430F5435AIPN include hardware support for cryptographic operations?
No, the MSP430F5435AIPN does not include dedicated cryptographic accelerators or hardware security modules. It relies on software-based implementations for encryption or authentication. For secure boot or AES acceleration, designers should consider TI's MSP430FR5994 or later FRAM-based variants with integrated crypto peripherals.
Can the MSP430F5435AIPN operate from a single 1.8-V supply without level-shifting external peripherals?
Yes, the MSP430F5435AIPN operates across 1.8 V to 3.6 V, and its I/O pins are fully compliant with 1.8-V logic levels when VCC = 1.8 V. All general-purpose I/Os, USCI modules, and ADC inputs maintain specified timing and drive strength at minimum supply, enabling direct interfacing with 1.8-V sensors and transceivers without external level shifters.
How many independent PWM outputs can be generated simultaneously on the MSP430F5435AIPN?
The MSP430F5435AIPN supports up to 15 independent PWM outputs: TA0 provides 5 outputs (CCR0–CCR4), TA1 provides 3 outputs (CCR0–CCR2), and TB0 provides 7 outputs (CCR0–CCR6). These are fully configurable with individual duty-cycle and period registers, enabling multi-channel motor control or LED dimming without CPU intervention.
Is the MSP430F5435AIPN pin-compatible with the MSP430F5437AIPN?
Yes, the MSP430F5435AIPN and MSP430F5437AIPN share identical 80-pin LQFP (PN) packaging, pinout, and signal mapping per Figure 7-2 of the datasheet. They differ only in flash capacity (192 KB vs. 256 KB) and are drop-in replacements for hardware design-no PCB changes required when upgrading firmware storage headroom.
MSP430F5435AIPN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 80-LQFP
- Series:
- MSP430F5xx
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPUXV2
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- I2C, IrDA, LINbus, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 67
- Program Memory Size:
- 192KB (192K 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 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F5435AIPN FAQ
1.How can I place an order for MSP430F5435AIPN through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F5435AIPN 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 MSP430F5435AIPN reliable?
The price and inventory of MSP430F5435AIPN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F5435AIPN is usually 5 days.
3.What payment methods are accepted for MSP430F5435AIPN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F5435AIPN transactions.
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4.How is shipping managed for MSP430F5435AIPN?
MSP430F5435AIPN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F5435AIPN 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 MSP430F5435AIPN?
For technical support, including MSP430F5435AIPN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F5435AIPN requirements.
6.How does Aetrix verify that MSP430F5435AIPN is sourced from the original manufacturer or authorized distributors?
All MSP430F5435AIPN 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 MSP430F5435AIPN meets industry standards.
7.What is the process for return or replacement of MSP430F5435AIPN?
All MSP430F5435AIPN units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F5435AIPN, 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 MSP430F5435AIPN part is unused and in its original packaging.
Return procedure for MSP430F5435AIPN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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