LM3S5U91-IBZ80-A1T Texas Instruments Integrated Circuit (BGA) In Stock
The LM3S5U91-IBZ80-A1T is a 32-bit ARM Cortex-M3 microcontroller from Texas Instruments' Stellaris LM3S family running at 80 MHz. It integrates USB OTG, Ethernet MAC/PHY, CAN, UART, SPI, I2C, and ADC peripherals in a BGA package. From stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- BGA
- Pin Count
- 108
- Lifecycle
- ACTIVE
- Datasheet
- LM3S5U91-IBZ80-A1T Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 80 MHz ARM Cortex-M3 core delivers high-performance 32-bit processing for demanding embedded control applications
- Integrated USB OTG controller enables both USB host and device operation without external USB chips
- Rich peripheral set including Ethernet MAC/PHY, CAN bus, multiple UART/SPI/I2C interfaces for industrial connectivity
- BGA package form factor maximizes I/O density for complex embedded systems requiring many peripheral connections
Applications
The LM3S5U91-IBZ80-A1T is designed for industrial automation, building control, and networked embedded systems requiring a high-performance 32-bit ARM Cortex-M3 processor with integrated connectivity. Its combination of USB OTG and Ethernet makes it ideal for gateway devices, human-machine interfaces, and data acquisition systems that bridge industrial protocols to IP networks. The device is also well-suited for motor control, smart energy management, and connected industrial IoT applications.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What processor core does the LM3S5U91-IBZ80-A1T use?
The LM3S5U91-IBZ80-A1T uses a 32-bit ARM Cortex-M3 processor core running at up to 80 MHz, providing high-performance deterministic execution for real-time embedded control and connected applications.
What connectivity peripherals are integrated in the LM3S5U91-IBZ80-A1T?
The LM3S5U91-IBZ80-A1T integrates USB OTG, Ethernet MAC/PHY, CAN bus controller, multiple UART, SPI, and I2C interfaces, plus ADC channels, enabling comprehensive connectivity for industrial and networked embedded designs.
What package does the LM3S5U91-IBZ80-A1T come in?
The LM3S5U91-IBZ80-A1T is available in a BGA (Ball Grid Array) package, offering high pin density and compact board footprint suitable for complex embedded systems with many I/O and peripheral requirements.
What applications is the LM3S5U91-IBZ80-A1T designed for?
The LM3S5U91-IBZ80-A1T is designed for industrial automation, building control, motor control, energy management, and IoT gateway applications where a high-performance ARM Cortex-M3 with USB, Ethernet, and CAN connectivity is required.
Is the LM3S5U91-IBZ80-A1T still in production?
The LM3S5U91-IBZ80-A1T belongs to Texas Instruments' Stellaris LM3S series. Availability should be confirmed with current distributor stock listings, as the Stellaris family has been partially succeeded by the Tiva C Series microcontrollers.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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