LM3S5B91-IBZ80-C3 Texas Instruments Integrated Circuit (BGA) In Stock
The LM3S5B91-IBZ80-C3 is a 32-bit ARM Cortex-M3 based Stellaris microcontroller from Texas Instruments, featuring 72 I/O lines, integrated ADC, DMA channels, and a 108-ball BGA package for compact embedded designs. It provides a rich peripheral set for connectivity and control applications in industrial and consumer products. In stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- BGA
- Pin Count
- 108
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S5B91-IBZ80-C3 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 32-bit ARM Cortex-M3 core with DMA support enables high-throughput data processing and efficient peripheral management
- 72 configurable I/O lines provide extensive connectivity for sensors, actuators, displays, and communication interfaces
- Integrated ADC with DMA capability supports real-time analog signal acquisition without CPU intervention
- 108-ball BGA (S-PBGA-B108) package delivers a compact footprint for space-constrained embedded system designs
Applications
The LM3S5B91-IBZ80-C3 is designed for industrial automation, building control, and networked embedded systems requiring a high I/O count and integrated analog peripherals. Its 32-bit ARM Cortex-M3 core with DMA support makes it suitable for motor control, energy monitoring, and communications gateway applications. The device is also used in consumer electronics, medical monitoring equipment, and smart infrastructure nodes where integrated ADC and broad I/O capability are critical.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Has ADC | YES |
| Bit Size | 32 |
| Clock Frequency-Max | 0.032MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| JESD-30 Code | S-PBGA-B108 |
| JESD-609 Code | e1 |
| Number of I/O Lines | 72 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | GRID ARRAY |
| Qualification Status | Not Qualified |
| ROM Programmability | FLASH |
| Speed | 80MHz |
| Supply Voltage-Max | 1.32V |
| Supply Voltage-Min | 1.08V |
| Supply Voltage-Nom | 1.2V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | TIN SILVER COPPER |
| Terminal Form | BALL |
| Terminal Pitch | 0.8mm |
| Terminal Position | BOTTOM |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
| Package | BGA |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| HTS Code | 8542.31.00.25 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM3S5B91-IBZ80-C3:
Frequently Asked Questions
What processor core does the LM3S5B91-IBZ80-C3 use?
The LM3S5B91-IBZ80-C3 is based on the ARM Cortex-M3 32-bit processor core, part of Texas Instruments' Stellaris MCU family. It supports the Thumb-2 instruction set for efficient code density and includes DMA channels for high-speed peripheral data transfer.
How many I/O lines does the LM3S5B91-IBZ80-C3 have?
The LM3S5B91-IBZ80-C3 provides 72 I/O lines, offering extensive connectivity for interfacing with external sensors, displays, communication modules, actuators, and other embedded peripherals in complex system designs.
Does the LM3S5B91-IBZ80-C3 include an ADC?
Yes, the LM3S5B91-IBZ80-C3 integrates an ADC (Analog-to-Digital Converter) and supports DMA channels, enabling efficient analog signal acquisition. The DMA capability allows ADC data to be transferred directly to memory without CPU intervention, freeing the processor for other tasks.
What package does the LM3S5B91-IBZ80-C3 use?
The LM3S5B91-IBZ80-C3 is packaged in a 108-ball plastic BGA (JESD-30 code S-PBGA-B108). BGA packaging offers a smaller PCB footprint and better thermal and electrical performance compared to equivalent QFP packages at the same pin count.
What are the main applications for the LM3S5B91-IBZ80-C3?
Main applications include industrial motor control, building automation, energy management systems, communications gateways, medical monitoring devices, and smart infrastructure nodes. The device's combination of 72 I/O lines, integrated ADC, and 32-bit ARM core makes it versatile for a wide range of embedded control tasks.
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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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