LM3S9B92-IQC80-C3 Texas Instruments Integrated Circuit (Other) In Stock
Texas Instruments LM3S9B92-IQC80-C3 is a 32-bit ARM Cortex-M3 Stellaris microcontroller with 65 I/O lines, integrated ADC, DMA channels, and rich peripheral set, housed in a 100-pin LQFP package for industrial control and connectivity applications.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 100
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S9B92-IQC80-C3 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM3S9B92-IQC80-C3?
- 32-bit ARM Cortex-M3 core with up to 80 MHz clock for high-performance embedded control tasks
- 65 GPIO lines with rich peripheral mix including ADC, DMA, UART, SPI, I2C, and CAN for versatile connectivity
- Integrated DMA controller offloads data transfers from the CPU, improving throughput in high-bandwidth applications
- 100-pin LQFP package provides dense I/O access in a standard footprint suitable for industrial PCB designs
What is LM3S9B92-IQC80-C3 used for?
The LM3S9B92-IQC80-C3 is suited for industrial automation, motor control, and building management systems that require a 32-bit ARM core with extensive on-chip peripherals. Its integrated ADC and DMA channels enable real-time sensor acquisition and data movement without CPU intervention, making it effective for multi-axis motor drives, HVAC controllers, and industrial gateway designs. The device is also used in networked embedded systems where multiple communication interfaces including UART, SPI, I2C, and CAN must operate concurrently under RTOS management.
What are the specifications of LM3S9B92-IQC80-C3?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | NO |
| Clock Frequency-Max | 0.032MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| JESD-30 Code | S-PQFP-G100 |
| Number of I/O Lines | 65 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | QFP100,.63SQ,20 |
| Package Shape | SQUARE |
| Package Style | FLATPACK |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 98304 |
| ROM (words) | 262144 |
| ROM Programmability | FLASH |
| Speed | 80MHz |
| Supply Voltage-Max | 1.32V |
| Supply Voltage-Min | 1.2V |
| 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, RISC |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| HTS Code | 8542.31.00.25 |
Where can I find the LM3S9B92-IQC80-C3 datasheet?
LM3S9B92-IQC80-C3 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3S9B92-IQC80-C3?
Compatible alternatives and drop-in replacements for LM3S9B92-IQC80-C3:
Frequently Asked Questions
What is the maximum CPU clock frequency of the LM3S9B92-IQC80-C3 and how does it affect real-time control tasks?
The LM3S9B92-IQC80-C3 ARM Cortex-M3 core operates at up to 80 MHz, providing sufficient computational bandwidth for real-time PID control loops, communication protocol stacks, and sensor data processing. At 80 MHz with zero-wait-state flash, the device executes approximately 100 MIPS, enabling tight control loop timing down to 10 µs cycle periods for precision motion control applications.
How many I/O lines does the LM3S9B92 provide, and how are they typically allocated across peripherals?
The LM3S9B92-IQC80-C3 provides 65 GPIO lines, many of which are multiplexed with peripheral functions including multiple UART channels, SPI ports, I2C buses, CAN interface, PWM outputs, and ADC inputs. A typical allocation might dedicate 8 pins to ADC inputs, 16 pins to motor PWM and encoder interface, 8 pins to communication peripherals, and the remainder to general-purpose digital control, leaving ample flexibility for application-specific board designs.
For industrial motor control designs, what on-chip resources of the LM3S9B92 reduce external component count?
The LM3S9B92 integrates a multi-channel ADC for current and voltage sensing, PWM timers for gate signal generation, DMA for high-speed data buffering, and a CAN interface for fieldbus connectivity—all on a single chip. This level of integration eliminates external PWM generators and ADC chips, reducing BOM by as many as 5 to 8 discrete ICs in a typical 3-phase motor control design while improving timing accuracy and reducing PCB area.
What package does the LM3S9B92-IQC80-C3 use and what are the key layout guidelines for its 100-pin LQFP footprint?
The LM3S9B92-IQC80-C3 comes in a 100-pin LQFP package with 0.5 mm pin pitch. Designers should place 100 nF decoupling capacitors on each VDD pin within 1 mm of the package, use a continuous ground plane beneath the device, keep high-speed clock and communication traces short and away from analog ADC inputs, and provide an isolated analog power domain for the ADC reference and supply pins to achieve the rated ADC accuracy.
Related Guides
STM32H725IGT3 Selection Guide: Memory, Package, Temperature, and Supply
Choose the right STM32H725 variant by comparing Flash, package, pin count, temperature grade, connectivity, and production requirements.
Aug 1, 2026
STM32H725IGT3 High-Performance MCU Design Guide
Design STM32H725IGT3 systems for reliable 550 MHz operation with practical power, clock, cache, DMA, PCB, ADC, and recovery guidance.
Jul 31, 2026
150141VS73100 Violet SMD LED Selection Guide: Color, Drive, and Sourcing
Select the 150141VS73100 by wavelength, brightness, drive current, 3528 fit, reliability, and traceable sourcing requirements.
Jul 31, 2026
STEF05SGR 5 V eFuse Protection Design Guide
Design a reliable 5 V STEF05SGR eFuse stage with current-limit math, capacitor sizing, thermal analysis, fault recovery, and PCB layout guidance.
Jul 30, 2026
Why Buy from FindMyChip
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.
More from Texas Instruments
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit