LM3S5K31-IQC80-C3 Texas Instruments Integrated Circuit (Other) In Stock
LM3S5K31-IQC80-C3 is a 32-bit ARM Cortex-M3 microcontroller by Texas Instruments, offering integrated ADC, DMA, PWM channels, and 67 GPIO lines. Key specs: 16 MHz max clock, 100-pin LQFP package, on-chip ADC and DMA. From competitive pricing, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 100
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S5K31-IQC80-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 at up to 16 MHz delivers deterministic real-time performance for embedded control and signal processing
- 67 configurable GPIO lines with integrated ADC, DMA, and PWM channels reduce external component count for compact system designs
- 100-pin LQFP package (S-PQFP-G100) balances I/O density with standard PCB fabrication compatibility for industrial and commercial applications
- On-chip DMA controller offloads data transfers from the CPU, improving throughput and system responsiveness in data-intensive applications
- Integrated PWM channels enable direct motor control, LED dimming, and power conversion without external PWM ICs
Applications
The LM3S5K31-IQC80-C3 is well-suited for industrial automation controllers, motor drive systems, and smart building applications requiring a capable 32-bit microcontroller with rich peripheral integration. Its ARM Cortex-M3 architecture supports real-time control tasks including sensor data acquisition via the on-chip ADC, DMA-assisted communications, and PWM-based actuator control. The device is also commonly used in building automation, HVAC controllers, and test and measurement equipment where a combination of processing power and versatile I/O is essential.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Has ADC | YES |
| Bit Size | 32 |
| Clock Frequency-Max | 16MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| JESD-30 Code | S-PQFP-G100 |
| Number of I/O Lines | 67 |
| 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 | 3.6V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3.3V |
| 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, RISC |
| 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 LM3S5K31-IQC80-C3:
Frequently Asked Questions
What processor core does the LM3S5K31-IQC80-C3 use?
The LM3S5K31-IQC80-C3 is based on the ARM Cortex-M3 32-bit processor core, running at up to 16 MHz. This core provides deterministic interrupt latency, Thumb-2 instruction set support, and an integrated NVIC for efficient real-time embedded control applications.
How many GPIO lines does the LM3S5K31-IQC80-C3 provide?
The device provides 67 configurable GPIO lines, many of which can be multiplexed with peripheral functions such as ADC inputs, PWM outputs, UART, SPI, and I2C interfaces. This makes it highly flexible for a wide range of embedded system designs requiring diverse connectivity.
What package does the LM3S5K31-IQC80-C3 use?
It is available in a 100-pin Low-profile Quad Flat Package (LQFP, S-PQFP-G100), a standard surface-mount package with a 0.5 mm pin pitch. The C3 suffix indicates a commercial temperature grade and the IQC80 package variant.
Does the LM3S5K31-IQC80-C3 include an ADC, and what are its specifications?
Yes, the device includes an integrated ADC. The LM3S5K31 series features a 10-bit SAR ADC with multiple input channels, enabling direct analog signal acquisition without external ADC components. This is particularly useful for sensor interfacing in industrial control and measurement systems.
What are typical applications for the LM3S5K31-IQC80-C3?
Typical applications include industrial motor control, building automation systems, HVAC controllers, smart energy meters, and test and measurement equipment. The combination of ARM Cortex-M3 processing, DMA, PWM, and ADC peripherals makes it a versatile choice for any embedded system requiring real-time control with rich I/O.
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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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