LM3S5791-IQC80-C3T Texas Instruments Integrated Circuit (Other) In Stock
LM3S5791-IQC80-C3T is a 32-bit ARM Cortex-M3 microcontroller by Texas Instruments. Features 80MHz clock, 72 I/O lines, ADC, DMA, and PWM channels in a 100-pin LQFP package. Available in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 100
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S5791-IQC80-C3T 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 running at up to 80MHz for high-performance embedded control
- 72 configurable I/O lines supporting flexible peripheral interfacing
- Integrated ADC, DMA, and PWM channels enabling rich analog and motor control applications
- 100-pin LQFP (S-PQFP-G100) package with RoHS-compliant lead-free construction
Applications
The LM3S5791-IQC80-C3T is well suited for industrial automation, motor control, and building automation systems where high-performance 32-bit processing and rich peripheral integration are required. Its combination of ADC, PWM, and DMA channels makes it ideal for real-time data acquisition and precision motor drive applications. Embedded networking gateways and smart energy metering devices also benefit from its extensive I/O and processing capabilities.
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-PQFP-G100 |
| Number of I/O Lines | 72 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | FLATPACK |
| Peak Reflow Temperature (Cel) | 260 |
| 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 Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
| Package | Other |
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 LM3S5791-IQC80-C3T:
Frequently Asked Questions
What is the maximum clock frequency of the LM3S5791-IQC80-C3T?
The LM3S5791-IQC80-C3T operates with a maximum clock frequency of 80MHz (listed as 0.032 GHz in some datasheets). This 32-bit ARM Cortex-M3 core delivers sufficient processing throughput for demanding real-time control and communication tasks.
What package type does the LM3S5791-IQC80-C3T use and how many I/O pins does it provide?
The LM3S5791-IQC80-C3T comes in a 100-pin LQFP package (JESD-30 code S-PQFP-G100) and provides 72 general-purpose I/O lines. This makes it suitable for applications requiring extensive peripheral connectivity while maintaining a compact PCB footprint.
Does the LM3S5791-IQC80-C3T support ADC, DMA, and PWM peripherals?
Yes, the LM3S5791-IQC80-C3T integrates ADC, DMA, and PWM channel support. These built-in peripherals enable analog signal sampling, efficient memory transfers without CPU intervention, and precision pulse-width modulation for motor control or power regulation applications.
What are common application areas for the LM3S5791-IQC80-C3T?
Common applications include industrial motor control, building automation, smart energy metering, embedded networking gateways, and real-time data acquisition systems. The combination of a 32-bit Cortex-M3 core, rich I/O, ADC, and PWM peripherals makes it versatile across these industrial and commercial use cases.
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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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