MSP430FR2433IRGER - 16MHz FRAM MCU | TI
MPN: MSP430FR2433IRGER ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.1 | $1.10 |
| 10 | $0.95 | $9.50 |
| 100 | $0.8 | $80.00 |
| 500 | $0.7 | $350.00 |
| 1,000 | $0.64 | $640.00 |
MSP430FR2433IRGER Overview
A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system, containing a processor core, memory, and programmable input/output peripherals. Within the taxonomy, an MCU is an embedded processor and a type of integrated circuit. The MSP430 family is a 16-bit ultra-low-power microcontroller line known for extended battery life and is part of Texas Instruments' Value Line sensing portfolio.
Key features of the MSP430FR2433IRGER include a 16 MHz CPU frequency, 15.5KB of ferroelectric RAM (FRAM), 4KB of SRAM, a 10-bit analog-to-digital converter (ADC), and serial interfaces including UART, SPI, and I2C. It operates from 1.8V to 3.6V and is specified for -40°C to +85°C. FRAM provides non-volatile storage with high write endurance and fast write speeds, making it suitable for data logging and battery-powered sensing.
The CPU16 core uses a von-Neumann architecture with a unified memory space, a hardware multiplier, and low-power modes LPM0-LPM4. These modes allow the device to wake quickly from deep sleep while consuming minimal current, which is critical for portable and energy-harvesting designs. The integrated 10-bit ADC with internal reference simplifies direct connection of analog sensors without external converter ICs.
Typical applications include industrial sensors, medical and health monitoring devices, smart meters, portable instrumentation, and IoT sensor nodes. The combination of low power, non-volatile FRAM, and the compact VQFN-24 package makes the MSP430FR2433IRGER especially suited for space-constrained designs that must retain data during power loss.
When designing with this MCU, tie the exposed thermal pad on the bottom of the VQFN package to the PCB ground plane for optimal thermal and electrical performance. Place 100 nF and 10 µF decoupling capacitors close to the supply pins. For lowest power consumption, use the low-power modes and disable unused peripherals in firmware.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing a convenient engineering reference for the MSP430FR2433IRGER.
Drop-in alternatives for MSP430FR2433IRGER — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MSP430FR2533IRGER
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MSP430FR2633IRGER
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MSP430FR2233IRGER
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MSP430FR2133IRGER
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MSP430FR2433IRGER Maximum Ratings & Electrical Characteristics
| Core | MSP430 CPU16 |
| Architecture | 16-bit |
| Maximum CPU Frequency | 16 MHz |
| FRAM Size | 15.5KB (15.5K x 8) |
| SRAM Size | 4KB |
| ADC Resolution | 10-bit |
| Interfaces | UART, SPI, I2C |
| Timers | Timer (per TI product page) |
| Supply Voltage | 1.8V to 3.6V |
| Operating Temperature | -40C to +85C |
| Package | 24-VQFN (RGE) 4x4 mm |
| Mounting Type | Surface Mount |
| Data Bus Width | 16-bit |
| Program Memory Type | FRAM |
| Low-Power Modes | LPM0-LPM4 |
| Hardware Multiplier | Yes |
| Architecture Type | von-Neumann |
| RoHS | Compliant |
| MSL Level | Level 2-260C-1 year |
MSP430FR2433IRGER 24-vqfn (rge) 4x4 mm Pin Configuration Guide
Pin configuration for MSP430FR2433IRGER (24-vqfn (rge) 4x4 mm package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for MSP430FR2433IRGER.
Refer to the datasheet for full pin configuration.
Typical Applications
MSP430FR2433IRGER is suitable for 6 applications: Industrial Sensors, Medical and Health Monitoring, Smart Meters, Portable Instrumentation, IoT and Smart Home Sensor Nodes, Data Loggers.
Industrial Sensors
The MSP430FR2433IRGER is ideal for industrial sensor nodes and field transmitters that require low power and reliable non-volatile data storage. Its 16 MHz CPU, 10-bit ADC, and UART/SPI/I2C interfaces allow direct connection to temperature, pressure, and flow sensors. The 15.5KB FRAM stores calibration tables and event logs without external EEPROM, reducing BOM cost. Wide supply voltage 1.8-3.6V and -40C to +85C operation match harsh industrial environments. Low-power modes LPM0-LPM4 permit battery-powered or loop-powered designs. When used with an external sensor AFE, the MCU can sample, process, and transmit data while keeping average current consumption in the microamp range, making it a good fit for smart factory and process automation.
Recommended
Medical and Health Monitoring
In wearable health monitors, pulse oximeters, and portable diagnostic devices, the MSP430FR2433IRGER provides ultra-low-power operation essential for long battery life. The integrated 10-bit ADC can sample bio-signals such as temperature or optical sensor outputs, while FRAM safely retains patient data and calibration settings during battery changes. The 16 MHz CPU is fast enough for real-time signal processing and UART/SPI/I2C communication to BLE modules or displays. With low-power modes and fast wake-up, the device spends most of its time in sleep, extending coin-cell life. The compact VQFN-24 package also helps miniaturize medical wearables. According to TI's Value Line sensing positioning, this MCU is designed for battery-powered sensing applications in the medical field.
Recommended
Smart Meters
The MSP430FR2433IRGER is well-suited for smart electricity, water, and gas meters because FRAM provides near-instant write endurance for storing accumulated consumption data without worrying about flash wear-out. The 10-bit ADC can read current and voltage sensing front-ends or battery monitoring circuits. UART, SPI, and I2C interfaces connect to communication modules like RF transceivers or PLC modems. Wide supply voltage and low-power modes enable operation from battery or energy harvesting sources for years. The MCU's -40C to +85C temperature range covers typical outdoor meter installations. According to TI's MSP430 Value Line description, the architecture is optimized for extended battery life in sensing and measurement systems, which directly benefits smart metering applications.
Recommended
Portable Instrumentation
Portable multimeters, data loggers, and handheld test equipment benefit from the MSP430FR2433IRGER's combination of small package, low power, and non-volatile FRAM. The 16 MHz CPU and 10-bit ADC can handle waveform sampling and measurement processing, while UART/SPI/I2C enable connectivity to displays, SD cards, or wireless modules. FRAM allows data logging without external memory and supports power-loss-safe updates. The 4x4 mm VQFN package saves board space, and the 1.8-3.6V supply range supports single-cell operation. Low-power modes allow the instrument to sleep between readings. According to the internal product description, this MCU is designed for compact instrumentation where high-speed FRAM writes and low current consumption are important.
Recommended
IoT and Smart Home Sensor Nodes
The MSP430FR2433IRGER can serve as the main controller in IoT sensor nodes for smart homes, where low-power consumption and reliable data retention are critical. It can periodically wake from low-power mode, sample environmental sensors via the 10-bit ADC, and send data over UART or I2C to an RF transceiver. FRAM stores device configuration and sensor calibration without consuming extra power. The 16 MHz core provides enough throughput for simple edge processing, and the VQFN-24 package fits compact PCB designs. The wide supply range simplifies battery or USB power integration. According to TI, the Value Line sensing portfolio is optimized for extended battery life in portable sensing applications, making the FR2433 a strong fit for battery-powered smart home devices.
Recommended
Data Loggers
The MSP430FR2433IRGER is excellent for data loggers that must record sensor readings over extended periods while retaining data during power loss. Unlike flash, FRAM in this MCU supports high-speed writes and virtually unlimited write endurance, simplifying the logging firmware and eliminating the need for wear leveling. With 15.5KB FRAM and 4KB SRAM, the device can store a meaningful number of records and still process data with the 16 MHz CPU. The 10-bit ADC captures analog sensor values, and UART/SPI/I2C can download logged data to a host. Low-power modes let the logger sleep between samples, and the -40C to +85C range supports outdoor deployment. This makes the FR2433 a practical choice for environmental, agricultural, and industrial logging.
Recommended
Recommended Products Summary
Engineering reference data for MSP430FR2433IRGER — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MSP430FR2533IRGER | MSP430FR2633IRGER | MSP430FR2233IRGER | MSP430FR2133IRGER |
|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | VQFN-24 (RGE) 4x4 mm | VQFN-24 (RGE) 4x4 mm | VQFN-24 (RGE) 4x4 mm | VQFN-24 (RGE) 4x4 mm | VQFN-24 (RGE) 4x4 mm |
| Max CPU Frequency | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz |
| FRAM Size | 15.5KB | 15.5KB | 32KB | 8KB | 8KB |
| SRAM Size | 4KB | 4KB | 4KB | 2KB | 2KB |
| Supply Voltage | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Key Differentiators
- Integrated 10-bit ADC in the FR2433 (vs MSP430FR2533IRGER)
- 15.5KB FRAM with high-speed writes (vs MSP430FR2233IRGER)
- Low-power 16-bit CPU16 core with LPM0-LPM4 (vs MSP430FR2133IRGER)
Design Notes
Place 100 nF and 10 uF decoupling capacitors as close as possible to the DVCC and AVCC pins of the MSP430FR2433IRGER. The exposed thermal pad on the bottom of the VQFN-24 package must be soldered to the PCB ground plane for proper thermal and electrical performance. Use multiple vias under the pad to improve heat transfer and reduce ground inductance.
For battery-powered applications, use the low-power modes LPM0-LPM4 and disable unused peripherals in firmware. The device supports a supply range of 1.8V to 3.6V, so select an LDO or battery chemistry that maintains voltage above the minimum during operation. Estimate the average current by combining active-mode current with the duty cycle of the low-power mode; this calculation is an estimate based on datasheet current specifications.
FRAM writes do not require erase cycles, so you can write frequently without the wear-leveling that flash demands. However, ensure firmware does not accidentally execute code from FRAM areas that are also being written, because both operations share the same memory space. Also keep the reset pin properly debounced and use the internal pull-up as recommended in the TI MSP430FR2433 datasheet.
Compliance Information
RoHS compliant per PartGenie. MSL Level 2-260C-1 year. Detailed REACH and conflict minerals data not confirmed in fetched web data.
