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Texas Instruments MSP430F5502IRGZR
- Part No.:
- MSP430F5502IRGZR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
MSP430F5502IRGZR.pdf
- Description:
- IC MCU 16BIT 24KB FLASH 48VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,881
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Product details
Overview
MSP430F5502IRGZR from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller with integrated USB 2.0 PHY, four 16-bit timers (TA0/TA1/TA2/TB0), one USCI module (supporting UART/IrDA/SPI/I²C), comparator-based analog sensing, and 24 KB flash + 6 KB RAM in a 48-pin VQFN package. It targets battery-powered sensor nodes and USB-connected data loggers requiring sub-2 µA standby current and <5 µs wake-up.
For engineers reviewing the MSP430F5502IRGZR datasheet, MSP430F5502IRGZR pinout, MSP430F5502IRGZR application, or MSP430F5502IRGZR equivalent, key selection criteria include its USB-capable MCU architecture, absence of ADC (replaced by Comparator_B), 31 I/O pins, LPM3 RTC retention at 1.9 µA, and RGZ-package pin compatibility across the F550x family.
Technical Context
The MSP430F5502IRGZR implements a 16-bit RISC CPU with constant generators and unified clock system featuring FLL, VLO, REFO, XT1 (32 kHz), and XT2 (up to 32 MHz). Its power management includes programmable LDO core regulation, supply voltage supervision, and brownout detection - enabling robust operation from 1.8 V to 3.6 V.
It integrates full-speed USB 2.0 with on-chip PHY, 3.3-V/1.8-V USB power system, and USB-PLL, plus three-channel DMA, hardware multiplier (MPY32), RTC_A with alarm, and CRC16 engine. Unlike higher-tier F5510/F5509 variants, it omits the second USCI and ADC10_A, retaining only Comparator_B for analog threshold detection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with constant generators and 25-MHz max system clock - enables high code efficiency and deterministic real-time response. |
| Memory | 24 KB flash + 4 KB + 2 KB RAM - supports firmware updates and dual-bank SRAM for USB buffer isolation. |
| USB Interface | Full-speed USB 2.0 with integrated PHY, USB-PLL, and eight endpoints - eliminates external transceiver and simplifies host connectivity. |
| Low-Power Modes | LPM3 (1.9 µA @ 3 V) with RTC active and full RAM retention - enables years of operation on coin-cell batteries. |
| Timers | Four 16-bit timers: TA0 (5 CC), TA1 (3 CC), TA2 (3 CC), TB0 (7 CC) - provides flexible PWM, capture, and timebase generation for sensor timing and motor control. |
| Analog Peripherals | Comparator_B (4 channels) with rail-to-rail input and hysteresis - replaces ADC for voltage monitoring, window detection, and wake-on-event sensing. |
| I/O Count | 31 general-purpose I/O pins with Schmitt-trigger inputs and configurable drive strength - supports mixed-signal interfacing and GPIO expansion. |
Pinout & Package
VQFN-48 (RGZ) package, 7 mm × 7 mm, 0.5-mm pitch, exposed thermal pad (recommended connection to DVSS).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1–4, 6–7, 9–10, 12–13, 15–22, 24–26, 29–36, 38–40, 42–48 | General-purpose I/O (P1.x–P6.x, PJ.x, P4.x mapped) | Configurable digital I/O with interrupt capability; port mapping controller allows flexible peripheral assignment on P4. |
| 5, 8, 11, 14, 23, 27–28, 37, 41, 44–45 | Power and reference (AVCC1, AVSS1, DVCC1, DVSS1, VCORE, VSSU, VBUS, VUSB, V18, AVSS2) | Dual-domain supply: AVCC/AVSS for analog peripherals, DVCC/DVSS for digital core, V18 for USB PHY - requires separate decoupling. |
| 38 (PU.0/DP), 40 (PU.1/DM), 39 (PUR) | USB differential pair and pull-up resistor control | Direct full-speed USB interface; PUR enables software-controlled device enumeration without external resistor. |
| 47 (TEST/SBWTCK), 48 (RST/NMI/SBWTDIO) | JTAG/Spy-Bi-Wire debug interface | Enables in-system programming and real-time debugging using two-wire SBW protocol - reduces debug footprint vs. full JTAG. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low standby current | 1.9 µA in LPM3 with RTC, watchdog, and full RAM retention - extends battery life in always-on sensor applications. |
| Fast wake-up | <5 µs from LPM3 to active mode - ensures responsive event handling without latency penalties. |
| Integrated USB power system | On-chip 3.3-V and 1.8-V regulators eliminate external LDOs - reduces BOM count and PCB area for USB devices. |
| Flexible clock sources | FLL-stabilized DCO, VLO, REFO, XT1 (32 kHz), and XT2 (up to 32 MHz) - enables precise timing across operating modes and temperature ranges. |
| Comparator_B with hysteresis | 4-channel rail-to-rail comparator supporting window detection and wake-on-threshold - replaces 10-bit ADC for binary sensing tasks. |
| Port mapping controller | Dynamic remapping of USCI functions to P4 pins - allows runtime reconfiguration of UART/I²C/SPI without hardware changes. |
Applications
| USB Sensor Node | Industrial Data Logger |
|---|---|
Use Scenario: Compact environmental sensor (temperature/humidity) with direct USB connection to PC or industrial gateway. IC Role / Device Role / Timing Role: Main MCU executing sensor polling, data formatting, and USB CDC communication; RTC maintains timestamped logs during sleep. Use Value: Eliminates external USB transceiver and level shifters; LPM3 current ≤1.9 µA enables multi-year operation on CR2032. |
Use Scenario: Battery-backed field logger capturing analog switch states and digital events in remote infrastructure. IC Role / Device Role / Timing Role: System controller managing non-volatile storage, wake-on-comparator events, and scheduled USB data dump cycles. Use Value: Comparator_B detects threshold crossings without ADC overhead; 24 KB flash stores firmware + logging buffers. |
| Wireless Headset Controller | Low-Power USB HID Device |
Use Scenario: Firmware-upgradable headset with button controls, battery monitoring, and USB configuration interface. IC Role / Device Role / Timing Role: Central controller handling button debouncing, battery voltage sensing via comparator, and USB HID descriptor reporting. Use Value: Single-chip solution integrates USB HID stack, low-power sleep, and analog monitoring - no external supervisor or ADC needed. |
Use Scenario: Secure access token or programmable keyboard with tamper detection and USB authentication handshake. IC Role / Device Role / Timing Role: Secure execution environment with encrypted flash, comparator-driven tamper sensing, and USB control transfers. Use Value: Hardware-based comparator triggers immediate LPM4.5 shutdown on enclosure breach; USB-PLL ensures stable enumeration timing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F5504IRGZR | 8 KB flash, same peripherals (USB, USCI, Comparator_B, timers), identical RGZ package and pinout | Lower memory capacity limits firmware complexity and USB buffer depth | Select when application firmware fits within 8 KB and no additional flash headroom is required. |
| MSP430F5506IRGZR | 24 KB flash like MSP430F5502IRGZR but adds second USCI (USCI_A1/B1) - increases peripheral concurrency | Supports simultaneous UART + I²C or dual SPI buses, enabling more complex sensor fusion or multi-interface gateways | Choose when dual-protocol communication (e.g., BLE UART + sensor I²C) is required alongside USB host interface. |
Compared with MSP430F5502IRGZR, MSP430F5504IRGZR offers reduced memory for cost-sensitive deployments, while MSP430F5506IRGZR adds a second USCI for concurrent serial protocols - both retain identical USB, timer, and comparator capabilities in the same 48-pin VQFN footprint.
Availability
MSP430F5502IRGZR is available at Aetrix Electronics and suitable for USB-connected sensor nodes, industrial data loggers, and low-power HID devices requiring stable component supply and long-term manufacturability.
Supply support for MSP430F5502IRGZR 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 delivering analog and embedded processing solutions, with leadership in low-power microcontrollers and signal chain technologies.
The MSP430F5502IRGZR belongs to the MSP430F5xx ultra-low-power MCU family, designed specifically for energy-constrained applications requiring USB connectivity, precision timing, and intelligent analog sensing without ADC overhead.
FAQ
What is the maximum system clock frequency supported by the MSP430F5502IRGZR?
The MSP430F5502IRGZR supports a maximum system clock frequency of 25 MHz, achieved via its digitally controlled oscillator (DCO) stabilized by the FLL loop using internal or external reference sources such as XT2 (up to 32 MHz) or REFO. This frequency enables real-time processing of USB transactions and timer-based sensor sampling without performance bottlenecks.
Does the MSP430F5502IRGZR include an analog-to-digital converter (ADC)?
No, the MSP430F5502IRGZR does not include an ADC. As confirmed in the device description section of the SLAS645L datasheet, it substitutes the 10-bit ADC10_A found in higher-tier F5510/F5509 variants with Comparator_B - a 4-channel rail-to-rail comparator supporting hysteresis and wake-on-event functionality for threshold-based sensing.
How many USB endpoints does the MSP430F5502IRGZR support?
The MSP430F5502IRGZR supports eight input and eight output USB endpoints, as specified in the "Features" section of the SLAS645L datasheet. This endpoint count enables implementation of composite USB devices (e.g., HID + CDC) and accommodates descriptor requests, control transfers, and bulk data streams simultaneously.
What is the standby current consumption of the MSP430F5502IRGZR in LPM3 mode?
The MSP430F5502IRGZR consumes 1.9 µA in LPM3 mode at 2.2 V and 2.1 µA at 3 V, with RTC, watchdog, and supply supervisor operational and full RAM retention enabled. This ultra-low current is measured under typical conditions and allows multi-year operation on standard coin-cell batteries in infrequently polled sensor applications.
Is the MSP430F5502IRGZR pin-compatible with other devices in the MSP430F550x family?
Yes, the MSP430F5502IRGZR is pin-compatible with all other RGZ-package devices in the MSP430F550x family (e.g., MSP430F5500–F5507), sharing identical 48-pin VQFN mechanical dimensions, power pin layout, USB DP/DM placement, and I/O mapping - enabling hardware reuse across memory and peripheral variants.
MSP430F5502IRGZR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 48-VFQFN Exposed Pad
- Series:
- MSP430F5xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPUXV2
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- I2C, IrDA, SCI, SPI, UART/USART, USB
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 31
- Program Memory Size:
- 24KB (24K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 6K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- -
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F5502IRGZR FAQ
1.How can I place an order for MSP430F5502IRGZR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F5502IRGZR 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 MSP430F5502IRGZR reliable?
The price and inventory of MSP430F5502IRGZR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F5502IRGZR is usually 5 days.
3.What payment methods are accepted for MSP430F5502IRGZR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F5502IRGZR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F5502IRGZR?
MSP430F5502IRGZR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F5502IRGZR 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 MSP430F5502IRGZR?
For technical support, including MSP430F5502IRGZR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F5502IRGZR requirements.
6.How does Aetrix verify that MSP430F5502IRGZR is sourced from the original manufacturer or authorized distributors?
All MSP430F5502IRGZR 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 MSP430F5502IRGZR meets industry standards.
7.What is the process for return or replacement of MSP430F5502IRGZR?
All MSP430F5502IRGZR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F5502IRGZR, 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 MSP430F5502IRGZR part is unused and in its original packaging.
Return procedure for MSP430F5502IRGZR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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