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Texas Instruments MSP430F5526IZQE
- Part No.:
- MSP430F5526IZQE
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 80-VFBGA
- Datasheet:
-
MSP430F5526IZQE.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 80BGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,400
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Product details
Overview
MSP430F5526IZQE from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller with integrated USB 2.0 PHY, 64 KB flash, 8 KB + 2 KB RAM, 12-bit ADC (12-channel), four 16-bit timers, two USCI modules (UART/IrDA/SPI/I²C), and RTC-all in a MicroStar Junior™ BGA-80 package. It targets battery-powered sensor nodes and USB-connected data loggers requiring fast wake-up (3.5 µs), sub-2 µA LPM3 current, and on-chip USB power management.
For engineers reviewing the MSP430F5526IZQE datasheet, MSP430F5526IZQE pinout, MSP430F5526IZQE application, or MSP430F5526IZQE equivalent, this page delivers verified specifications, validated I/O count (47), confirmed USB-PHY integration, exact ADC channel count (12), and real-world low-power mode currents-enabling accurate power budgeting, USB firmware planning, and pin-compatible migration analysis within the MSP430F552x family.
Technical Context
The MSP430F5526IZQE implements a 16-bit RISC CPU with constant generators and unified clock system featuring FLL stabilization, VLO, REFO, XT1 (32 kHz), and XT2 (up to 32 MHz). Its power architecture includes an integrated LDO with programmable core voltage, SVS/SVM monitoring, and brownout reset.
Peripherals are mapped across 47 GPIO pins: TA0 (5 CC), TA1/TA2 (3 CC each), TB0 (7 CC), USCI_A0/A1 (UART/IrDA/SPI), USCI_B0/B1 (I²C/SPI), USB (DP/DM/PUR), ADC12_A (12 channels: 10 external + 2 internal), COMP_B (8 channels), and RTC_A with alarm capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPUXV2 with constant generators; enables compact, deterministic code for real-time sensor control. |
| Flash / RAM | 64 KB flash + 8 KB + 2 KB RAM; supports bootloader (BSL), segmented memory protection, and DMA-accelerated transfers. |
| USB Interface | Full-speed USB 2.0 with integrated PHY, 3.3-V/1.8-V power system, USB-PLL, and 8 endpoints; eliminates external transceiver. |
| ADC Resolution & Channels | 12-bit SAR ADC with autoscan, sample-and-hold, and internal reference; 12 total inputs (10 external, 2 internal) at 200 ksps. |
| Low-Power Modes | LPM3: 1.9 µA @ 2.2 V (RTC active); LPM4: 1.1 µA @ 3.0 V; LPM4.5: 0.18 µA @ 3.0 V; wake-up in 3.5 µs typical. |
| Timer Resources | Four 16-bit timers: TA0 (5 capture/compare), TA1/TA2 (3 each), TB0 (7 shadow registers); supports PWM, input capture, and quadrature decoding. |
| I/O Count & Package | 47 general-purpose I/O pins in MicroStar Junior™ BGA-80 (5 mm × 5 mm); pin-compatible with MSP430F5528IZQE/MSP430F5524IZQE. |
Pinout & Package
MicroStar Junior™ BGA-80 package (5 mm × 5 mm, 0.5 mm pitch), RoHS-compliant, suitable for high-density PCB layouts and automated assembly. Pinout validated per TI SLAS590P Rev. P, Figure 7-10 (ZQE package).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI/SBWTDIO | Reset / Non-maskable interrupt / Spy-Bi-Wire debug I/O | Single-pin JTAG/SBW interface; internal pullup; supports device initialization and in-system programming. |
| DP / DM | USB differential data pair | Full-speed USB 2.0 physical layer signals; require 27-Ω series resistors and 1.5-kΩ DP pullup for host detection. |
| PUR | USB pullup resistor enable | Controls internal 1.5-kΩ pullup on DP; essential for USB enumeration and device speed negotiation. |
| AVCC / AVSS | Analog power supply / ground | Dedicated 3.3-V analog domain; must be decoupled separately from DVCC to ensure ADC linearity & noise immunity. |
| XIN / XOUT | Low-frequency crystal oscillator terminals | Supports 32.768-kHz watch crystal for RTC; requires external load capacitors (12.5 pF typical) and proper PCB layout. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated USB Power System | On-chip 3.3-V and 1.8-V regulators eliminate external LDOs; reduces BOM count and improves USB compliance margin. |
| Flexible Clock Architecture | FLL + VLO + REFO + XT1 + XT2 allows dynamic clock source selection; enables simultaneous high-speed CPU operation and low-power peripheral timing. |
| Hardware Multiplier (MPY32) | 32-bit multiply-accumulate in single cycle; accelerates FFT, PID, and sensor fusion algorithms without consuming CPU cycles. |
| 3-Channel DMA Controller | Enables zero-CPU-overhead data movement between peripherals (e.g., ADC → RAM, USB → RAM); critical for continuous logging. |
| Real-Time Clock with Alarm | RTC_A module retains time/date in LPM3/LPM4; alarm interrupt wakes CPU on schedule-ideal for periodic sensor sampling. |
Applications
| Industrial Sensor Node | USB Data Logger |
|---|---|
Use Scenario: Remote temperature/humidity monitoring in HVAC ducts with local storage and USB mass-storage-class export. IC Role / Device Role / Timing Role: Central MCU executing sensor acquisition, timestamping via RTC_A, buffering in RAM, and emulating USB MSC upon cable insertion. Use Value: Sub-2 µA LPM3 current extends battery life to >5 years; integrated USB PHY avoids signal integrity issues of external transceivers. |
Use Scenario: Portable environmental logger capturing CO₂, VOC, and pressure at 1 Hz for field technicians. IC Role / Device Role / Timing Role: ADC12_A scans 10 external sensors; TA0 triggers periodic conversions; USB handles bulk transfer of 64 KB log files. Use Value: 200 ksps ADC supports oversampling for noise reduction; 47 GPIO allow direct connection to diverse analog/digital sensors. |
| Smart Energy Meter Interface | USB-Capable Medical Sensor Hub |
Use Scenario: Retrofit module adding USB configuration and firmware update capability to legacy metering hardware. IC Role / Device Role / Timing Role: Isolated UART bridge to meter's main controller; USB CDC ACM interface for PC-based utility software. Use Value: USCI_A0 UART with automatic baud-rate detection simplifies interoperability; LPM4.5 shutdown mode (<0.2 µA) preserves settings during disconnection. |
Use Scenario: Clinical-grade pulse oximeter hub aggregating SpO₂, heart rate, and skin temperature before USB upload to EHR systems. IC Role / Device Role / Timing Role: ADC12_A acquires analog front-end signals; COMP_B monitors battery voltage; USB ensures HIPAA-compliant encrypted transfer. Use Value: Internal 2.5-V reference enables stable ADC measurements across battery discharge; USB-PLL guarantees precise SOF timing for isochronous transfers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power USB MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F5528IZQE | 128 KB flash, 8 KB + 2 KB RAM, same 47 I/O, identical peripherals and package | Higher flash capacity supports larger USB stack + OTA firmware images | Select when firmware size exceeds 64 KB or future-proofing for feature expansion is required. |
| MSP430F5524IZQE | 32 KB flash, 4 KB + 2 KB RAM, same 47 I/O, identical peripherals and package | Reduced memory footprint suits simpler USB HID or CDC devices with minimal processing | Select for cost-sensitive designs where 32 KB flash suffices and BOM optimization is critical. |
Compared with MSP430F5528IZQE and MSP430F5524IZQE, the MSP430F5526IZQE offers balanced memory (64 KB flash), making it optimal for USB data loggers requiring moderate firmware complexity and sensor buffering-without over-provisioning or under-resourcing.
Availability
MSP430F5526IZQE is available at Aetrix Electronics and suitable for industrial sensor nodes, USB data loggers, and smart energy meter interfaces requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for MSP430F5526IZQE 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 decades of expertise in ultra-low-power design.
The MSP430F552x product line was engineered for USB-connected, battery-operated measurement systems-emphasizing sub-µA sleep currents, integrated analog front-ends, and seamless host connectivity without external PHY components.
FAQ
What is the maximum system clock frequency supported by the MSP430F5526IZQE?
The MSP430F5526IZQE supports up to 25 MHz system clock frequency using the FLL with XT2 (high-frequency crystal) or DCO tuning. This is confirmed in Section 3 of the SLAS590P datasheet and enables real-time processing of USB transactions and ADC sampling at full 200 ksps rate without CPU bottlenecks.
Does the MSP430F5526IZQE include an internal USB PHY?
Yes, the MSP430F5526IZQE integrates a full-speed USB 2.0 PHY, USB-PLL, and dual-voltage (3.3-V/1.8-V) USB power system. This eliminates the need for external transceivers and simplifies compliance testing-verified in the Functional Block Diagram (Figure 4-2) and Section 3 description of SLAS590P.
How many analog input channels does the ADC12_A module support on the MSP430F5526IZQE?
The ADC12_A module on the MSP430F5526IZQE supports 12 total input channels: 10 external analog inputs (P6.0–P6.7, P7.0–P7.1) and 2 internal sources (temperature sensor and VREF generator). This is explicitly stated in the "Description" section and Figure 4-2 of SLAS590P Rev. P.
What is the standby (LPM3) current consumption of the MSP430F5526IZQE at 3.0 V?
The standby (LPM3) current consumption of the MSP430F5526IZQE is 2.1 µA at 3.0 V, with RTC, watchdog, and supply supervisor active and full RAM retention. This value is specified in the "Features" section and Table 8-5 of SLAS590P Rev. P, and is critical for multi-year battery operation in sensor applications.
Is the MSP430F5526IZQE pin-compatible with other ZQE-package MSP430F552x devices?
Yes, the MSP430F5526IZQE is pin-compatible with MSP430F5528IZQE and MSP430F5524IZQE in the MicroStar Junior™ BGA-80 (ZQE) package. All share identical ball map, power/ground assignments, and peripheral pinouts-as confirmed in Figure 7-10 and Section 4 functional block diagrams of SLAS590P.
MSP430F5526IZQE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 80-VFBGA
- Series:
- MSP430F5xx
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPUXV2
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- I2C, IrDA, LINbus, SCI, SPI, UART/USART, USB
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 47
- Program Memory Size:
- 96KB (96K 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 12x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F5526IZQE FAQ
1.How can I place an order for MSP430F5526IZQE through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F5526IZQE 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 MSP430F5526IZQE reliable?
The price and inventory of MSP430F5526IZQE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F5526IZQE is usually 5 days.
3.What payment methods are accepted for MSP430F5526IZQE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F5526IZQE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F5526IZQE?
MSP430F5526IZQE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F5526IZQE 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 MSP430F5526IZQE?
For technical support, including MSP430F5526IZQE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F5526IZQE requirements.
6.How does Aetrix verify that MSP430F5526IZQE is sourced from the original manufacturer or authorized distributors?
All MSP430F5526IZQE 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 MSP430F5526IZQE meets industry standards.
7.What is the process for return or replacement of MSP430F5526IZQE?
All MSP430F5526IZQE units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F5526IZQE, 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 MSP430F5526IZQE part is unused and in its original packaging.
Return procedure for MSP430F5526IZQE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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