LM3S1958-IQC50-A2 Embedded - Microcontrollers by Texas Instruments
LM3S1958-IQC50-A2 is a Embedded - Microcontrollers from Texas Instruments in manufacturer-listed packaging. It is commonly reviewed for IC MCU 32BIT 256KB FLASH 100LQFP. This page lists current TrustCompo stock, tier pricing, package data, datasheet access, compliance attributes, Hong Kong warehouse shipping options, payment confirmation, and RFQ options for buyers verifying this exact ordering code.
Review TrustCompo quality credentials, traceability support, anti-counterfeit handling, and inspection controls before sending an RFQ.
4 certifications
ISO 9001
Quality management processes for more consistent sourcing and handling.
AS9120B
Aerospace-focused distribution controls for traceability and reliability.
ISO 14001
Environmental management discipline across warehouse and operating workflows.
ESD Control
Electrostatic handling standards to help protect sensitive components.
RFQ checklist
Order process
Confirm the core buying details for LM3S1958-IQC50-A2 before RFQ, PO release, and shipment planning.
1
Confirm MPN
Use the exact part number, manufacturer, package, and approval constraints in the RFQ.
2
Check stock and price
Verify live availability, MOQ, lead time, final unit price, and tax terms before PO release.
3
Align documents
Confirm datasheet, CoC, traceability, lifecycle notes, and inspection scope when required.
4
Arrange shipment
Release the PO and align DHL, FedEx, UPS, or buyer forwarder shipment from Hong Kong.
Before PO release
Part confirmation
Exact MPN confirmed: LM3S1958-IQC50-A2
Package to verify: -
Commercial confirmation
Live stock and lead time confirmed by RFQ
Final price and tax terms confirmed before PO release
Fulfillment & documents
Ship-from location: Hong Kong warehouse
Shipping method: DHL, FedEx, UPS, or buyer forwarder account
Product overview
Product overview
Review the sourcing context for LM3S1958-IQC50-A2 from Texas Instruments, including product identity, application fit, package notes, and purchasing considerations.
The LM3S1958-IQC50-A2 is a microcontroller from Texas Instruments, specifically part of their Stellaris family. This microcontroller offers a combination of high performance, versatility, and energy efficiency, making it suitable for a wide range of embedded applications requiring advanced processing capabilities and peripheral integration.
Key Features:
ARM Cortex-M3 Core: The LM3S1958-IQC50-A2 is powered by a 32-bit ARM Cortex-M3 core, providing high performance and efficient processing for embedded applications.
Clock Speed: It operates at a maximum clock speed of 50 MHz, offering fast execution of instructions and rapid response to external events.
Flash Memory: This microcontroller features built-in flash memory for program storage. The LM3S1958-IQC50-A2 variant typically comes with 256 KB of flash memory, allowing ample space for firmware storage.
SRAM: It includes a certain amount of Static Random Access Memory (SRAM) for data storage and manipulation. The LM3S1958-IQC50-A2 variant typically comes with 32 KB of SRAM.
Peripheral Integration: The microcontroller integrates various on-chip peripherals, including timers, UART (Universal Asynchronous Receiver-Transmitter) modules, SPI (Serial Peripheral Interface) controllers, I2C (Inter-Integrated Circuit) controllers, ADC (Analog-to-Digital Converter) channels, PWM (Pulse Width Modulation) modules, and GPIO (General-Purpose Input/Output) pins. These peripherals provide versatile interfacing options and support for a wide range of applications.
Low-Power Modes: It offers multiple low-power modes to conserve energy and extend battery life in battery-powered or energy-efficient applications. These low-power modes include Sleep, Deep Sleep, and Hibernate modes, allowing flexible power management based on application requirements.
Integrated Ethernet MAC (Media Access Controller): Some variants of the LM3S1958-IQC50-A2 include an integrated Ethernet MAC, enabling Ethernet connectivity for networking applications.
Operating Voltage Range: The microcontroller typically operates within a wide voltage range, typically from 3.0V to 3.6V, ensuring compatibility with various power supply configurations.
Package Type: The LM3S1958-IQC50-A2 is available in a compact and industry-standard LQFP (Low-Profile Quad Flat Package), facilitating easy integration into PCB (Printed Circuit Board) designs.
Applications:
Industrial automation
Embedded control systems
Motor control
Smart energy management
IoT (Internet of Things) devices
Consumer electronics
Medical devices
Technical parameters
Parameters
Compare grouped LM3S1958-IQC50-A2 parameters from Texas Instruments, including package, series, key attributes, and technical values used for engineering and sourcing review.
Product Attribute
Number Of Bits
10
Product Attribute
Radiation Hardening
NO
Product Attribute
Packaging
Tray
Product Attribute
Pb-Free Code
Yes
Product Attribute
REACH Status
REACH Unaffected
Product Attribute
Lead Free
Lead Free
LM3S1958-IQC50-A2 Product Attribute
Parameter
Value
Number Of Bits
Bit width of digital data processed by a converter, processor, or memory. Higher bits mean better resolution or precision. Verify against datasheet to match your system's data width and accuracy needs.
10
Radiation Hardening
Indicates if the component is designed to withstand ionizing radiation in space, nuclear, or high-energy physics applications. Compare radiation-tolerant vs. radiation-hardened parts for mission-critical designs. Verify the total ionizing dose (TID) and single-event effect (SEE) ratings in the datasheet.
NO
Packaging
Indicates the form of delivery for the component, such as tape and reel, tube, or tray. This affects handling, storage, and assembly processes. Verify the packaging type matches your production requirements and equipment compatibility.
Tray
Pb-Free Code
Indicates whether the component is lead-free per RoHS or other directives. Buyers use this to verify environmental compliance and avoid restricted substances. Always confirm with the datasheet or certificate of compliance.
Yes
REACH Status
Shows whether the component complies with the EU REACH regulation. Essential for legal market access in Europe. Check the manufacturer's latest statement to confirm that no substances of very high concern are present above the threshold.
REACH Unaffected
Lead Free
Indicates whether the component is manufactured without lead, complying with RoHS and similar regulations. Check this attribute to ensure environmental compliance for your market. Verify against the datasheet for exact material declarations.
Lead Free
Number Of Terminations
Indicates the total number of electrical connection points on the component, such as pins or pads. This is critical for PCB footprint design and assembly. Verify it matches the package specification to ensure proper soldering and connectivity.
100
Number Of Pins
Total number of pins or contacts on the component. This determines the footprint and mating connector requirements. Always match the pin count to your PCB layout and connector specification to ensure proper electrical and mechanical connection.
100
Pin Count
Total number of pins or terminals on the component package. Essential for footprint design, PCB layout, and connector mating. Verify against the datasheet to ensure compatibility with your board and assembly process.
100
Mounting Type
Specifies how the component attaches to the PCB or assembly, such as surface mount, through-hole, or chassis mount. This affects soldering process, mechanical stability, and thermal performance. Verify compatibility with your board layout and assembly capabilities.
Surface Mount
Mounting Type
Specifies how the component is attached to the PCB, such as through-hole or surface mount. This affects assembly processes, thermal performance, and mechanical strength. Buyers should verify compatibility with their manufacturing capabilities and design requirements.
Surface Mount
Height
Physical height of the component, measured from the mounting surface to the topmost point. This dimension is critical for clearance in compact assemblies and for ensuring proper fit within enclosures. Always verify against the datasheet for tolerance and mounting considerations.
1.6mm
Width
Physical width of the component body, typically in millimeters. Essential for PCB footprint design and mechanical fit. Verify against the datasheet to ensure proper clearance and compatibility with your board layout and enclosure.
14mm
Length
Specifies the physical length of the component body, typically in millimeters. This dimension is critical for PCB layout and mechanical fit. Verify against the datasheet to ensure proper clearance and alignment in your design.
14mm
Categories
Lists the product categories or classifications assigned to this component, such as connectors, capacitors, or modules. This helps in filtering and comparing similar parts. Review the categories to ensure the component fits your application and to find alternative parts in the same class.
Integrated Circuits (ICs)
Frequency
Operating frequency of the component, typically the clock or switching frequency. This determines the speed of operation and affects power dissipation and signal integrity. Verify the frequency range against your application's requirements and the datasheet specifications.
50MHz
Peak Reflow Temperature (Cel)
Maximum temperature during reflow soldering that the component can withstand. This is critical for solder joint reliability and preventing damage. Verify that the peak reflow temperature is compatible with your soldering profile and the component's moisture sensitivity level.
260
Terminal Form
Describes the physical configuration of the component's leads or pads, such as through-hole, surface mount, or gull-wing. This affects PCB layout, soldering process, and mechanical fit. Confirm compatibility with your assembly method and footprint.
GULL WING
Technology
Manufacturing technology or process used for the component, such as thin film, thick film, or semiconductor process. Affects performance, stability, and cost. Confirm the technology matches your application requirements and environmental conditions.
CMOS
Thickness
Thickness of the component, a critical dimension for PCB clearance, enclosure fit, and thermal performance. This measurement is especially important for capacitors, inductors, and connectors. Ensure the thickness meets your design constraints and does not interfere with adjacent components. Check the datasheet for tolerance and recommended mounting height.
1.4mm
Operating Supply Voltage
Specifies the voltage range within which the component operates correctly. Check the datasheet to ensure your power supply meets the minimum and maximum limits, as exceeding them can damage the device or cause malfunction.
3.3V
Supply Voltage
Specifies the nominal operating voltage that must be applied to the component for proper function. Verify this value against your system's power rail and the datasheet's absolute maximum ratings to ensure reliable operation and avoid damage.
3.3V
Manufacturer
Identifies the company that designed and produced the component. Buyers often filter by manufacturer to ensure brand reliability, quality standards, and supply chain consistency. Verify the manufacturer against the datasheet and official packaging to avoid counterfeit parts.
Texas
Terminal Position
Position of the terminals on the package, such as dual-in-line, gull-wing, or J-lead. This affects PCB layout, soldering, and thermal performance. Engineers must ensure the terminal position matches the footprint and assembly capabilities of their manufacturing line.
QUAD
Terminal Pitch
Terminal pitch is the center-to-center distance between adjacent leads or pads on a component. It determines PCB layout compatibility and soldering feasibility. Verify against the datasheet to ensure your footprint matches the component's actual lead spacing.
0.5mm
Operating Temperature
Specifies the ambient temperature range within which the component reliably functions. Compare this with your application's thermal environment to ensure proper operation. Always verify against the datasheet for derating curves and maximum ratings.
-40°C~85°C TA
Subcategory
A more specific classification within the main product category, such as 'Ceramic Capacitor' under 'Capacitors'. This helps narrow down search results and compare similar components. Use it to filter products with similar characteristics and intended applications.
Microcontrollers
Sub-Categories
Indicates the specific product subcategories or classifications within the broader component family. Helps narrow down search results and identify the exact type of component needed for your design. Review the subcategory to ensure compatibility with your application.
Embedded - Microcontrollers
Number Of I/O
Total number of input/output pins or channels available on the device. Determines connectivity and interface capability. Verify against your system requirements and datasheet to ensure sufficient I/O for your application.
52
Package / Case
Physical package or case type of the component, defining its dimensions, mounting style, and thermal characteristics. Common types include SMD, through-hole, BGA, and QFN. Choose the package that fits your PCB layout and assembly process. Verify the exact package code in the datasheet for footprint compatibility.
100-LQFP
ECCN
Export Control Classification Number assigned by the U.S. government. Determines whether the component requires an export license. Essential for international trade compliance. Verify the ECCN with the manufacturer or supplier before shipping to avoid legal issues.
3A991A2
Part Status
Lifecycle status of the part, such as active or obsolete. Indicates availability and long-term support from the manufacturer. Check this before design-in to avoid last-time buys or supply disruptions. Verify with the datasheet or distributor for current status.
Not For New Designs
Lifecycle Status
Current stage in the product's lifecycle, such as Active, Obsolete, or End of Life. This indicates availability and long-term supply risk. Check this before designing in a part to ensure it will be available for your product's production lifetime.
NRND (Last Updated: 1 week ago)
Series
Indicates the product series or family, grouping components with similar design and specifications. Helps identify compatible parts and compare within a product line. Verify the series against the datasheet to ensure correct application.
Stellaris® ARM® Cortex®-M3S 1000
Interface
Specifies the communication protocol or interface type used by the component, such as I2C, SPI, UART, or USB. This determines how the device connects to a microcontroller or system. Verify compatibility with your host controller and bus voltage levels before design-in.
I2C, IrDA, SPI, UART, USART
Base Part Number
Identifies the core product family without package, grade, or option suffixes. Use this to compare equivalent components across manufacturers and to locate the primary datasheet. Verify the full ordering code against the manufacturer's specification before design-in.
LM3S1958
Manufacturer'S Part No.
The unique part number assigned by the original component manufacturer. Use this to cross-reference datasheets, verify specifications, and ensure the exact component matches your design requirements. Always confirm the number against the manufacturer's official documentation.
This code indicates the terminal finish material per JESD-609 standard. It helps identify the plating type for soldering compatibility and environmental compliance. Check the datasheet for the exact code and its meaning.
e3
RoHS Status
Indicates whether the component complies with the EU RoHS directive restricting hazardous substances. Buyers should verify this status for regulatory compliance and market access. Check the datasheet or certificate for exact compliance details.
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
Indicates the floor life of a component before it must be baked prior to soldering. Higher levels require stricter handling and shorter exposure times. Verify the MSL rating in the datasheet to ensure proper storage and assembly conditions.
3 (168 Hours)
HTSUS
Harmonized Tariff Schedule of the United States code for customs classification. Essential for import/export documentation and duty calculation. Verify the correct code with a trade specialist to avoid customs delays.
8542.31.0001
LM3S1958-IQC50-A2 Product Parameter
Parameter
Value
DMA Channels
Number of independent direct memory access channels available on the microcontroller or processor. Compare this when selecting devices for data-intensive applications to ensure sufficient bandwidth for peripherals without CPU load. Verify against the datasheet for exact channel mapping and features.
NO
DAC Channels
Number of digital-to-analog converter channels integrated in the device. Compare this to the number of analog outputs you need in your system. Verify against the datasheet to ensure the DAC resolution and output drive capability match your application requirements.
NO
Watchdog Timer
Indicates whether the component includes a watchdog timer and its type. This timer resets the system if software hangs, improving reliability. Verify the timeout period and enable/disable options in the datasheet for your application.
Yes
Low Power Mode
Specifies the available low power modes for the component, such as sleep, standby, or shutdown. Compare modes to match your system's power budget and wake-up requirements. Verify supported modes and current consumption in the datasheet.
Yes
Has ADC
Check this attribute to confirm whether the component integrates an analog-to-digital converter. This is critical for microcontrollers, sensors, and mixed-signal ICs where analog inputs need digital processing. Verify against the datasheet to ensure the ADC meets your resolution and sampling requirements.
Yes
Integrated Cache
Shows whether the component includes an integrated cache memory to speed up data access for the processor. Compare cache presence and size to assess performance for real-time or high-throughput tasks. Verify details in the datasheet.
Yes
PWM Channels
Number of independent pulse-width modulation outputs available on the component. Compare this when selecting microcontrollers, motor drivers, or LED controllers to ensure enough channels for your application. Verify against the datasheet for channel mapping and shared timer limitations.
Yes
Boundary Scan
Indicates whether the device supports JTAG boundary scan for testing interconnections and internal logic. Useful for board-level testing and debugging. Confirm the boundary scan description in the datasheet to ensure compatibility with your test tools and chain configuration.
Yes
Number Of A/D Converters
Indicates how many analog-to-digital converters are integrated in the component. Compare this when selecting devices for multi-channel data acquisition or mixed-signal processing. Verify the exact number and channel configuration in the datasheet.
1
Number Of Serial I/Os
Indicates how many serial input/output interfaces the component provides. Compare this when selecting microcontrollers, FPGAs, or interface ICs to ensure enough UART, SPI, or I2C channels for your design. Verify against the datasheet pinout and peripheral list.
4
UART Channel Count
Number of independent UART interfaces for serial communication. Each channel supports bidirectional data transfer with configurable baud rate. Ensure the count meets your connectivity needs for peripherals, debugging, or inter-processor links. Verify pin availability in the datasheet.
3
Number Of Timers/Counters
Specifies how many built-in timer or counter channels are available. These are used for generating precise delays, measuring signal frequencies, or creating PWM signals. Engineers should ensure the count meets the timing requirements of their application, considering each timer's resolution and features.
6
Program Memory Type
Technology used for storing firmware, such as Flash, EEPROM, or OTP. Determines reprogrammability, endurance, and write speed. Choose based on update requirements and production volume. Verify the memory size and programming interface in the datasheet.
Flash
Bit Size
Specifies the number of bits in a single data word for digital components. This determines the maximum data width the device can process or store. Compare bit sizes when selecting microcontrollers, ADCs, DACs, or memory chips to ensure compatibility with your system's data bus and processing requirements.
32
Data Bus Width
Specifies the number of parallel data lines in bits for microcontrollers, DSPs, or memory interfaces. Wider buses enable higher throughput but affect pin count and power. Verify against the datasheet to ensure compatibility with your system's architecture and required performance.
32b
Format
Specifies the data format or package type of the component. This helps identify the physical or logical configuration, such as tape and reel, tray, or specific file format. Verify against the datasheet to ensure compatibility with your assembly process.
FIXED-POINT
Oscillator Type
Specifies the oscillator circuit type used for clock generation in the component. Compare crystal, ceramic, RC, or MEMS types to match frequency stability and startup requirements. Verify against the datasheet for your application.
Internal
UPs/UCs/Peripheral ICs Type
Specifies the functional category of the integrated circuit, such as microprocessor, microcontroller, or peripheral controller. This classification helps engineers quickly identify the device's role in a system. Verify the exact type against the datasheet to ensure compatibility with your application's processing and interface requirements.
MICROCONTROLLER, RISC
Terminal Finish
Specifies the plating material on component terminals, affecting solderability, corrosion resistance, and long-term reliability. Compare finishes like tin, gold, or silver for your assembly process and environmental requirements. Verify against datasheet for compliance.
Matte Tin (Sn)
Peripherals
Lists the integrated peripheral components such as ADCs, DACs, PWM controllers, comparators, and communication modules. These features reduce external component count and system cost. Engineers should compare available peripherals to ensure they cover all required functions without additional ICs.
Brown-out Detect/Reset, POR, PWM, WDT
Data Converter
Specifies whether the component is an analog-to-digital or digital-to-analog converter. This attribute helps identify the conversion direction and architecture. Verify the exact type and resolution in the datasheet to ensure compatibility with your signal chain and system requirements.
A/D 8x10b
Core Architecture
Specifies the processor core design, such as ARM Cortex-M or RISC-V. This determines instruction set compatibility, development tools, and software ecosystem. Verify against the datasheet to ensure firmware and RTOS support match your application requirements.
ARM
Memory Size
Indicates the total storage capacity of the memory device, typically in bits or bytes. Buyers use this to match firmware or data storage requirements. Confirm the exact organization and density in the datasheet before design-in.
256kB
Core Size
Indicates the bit width of the processor core, such as 8-bit, 16-bit, or 32-bit. This determines the maximum data size the CPU can handle in one operation. Compare this with your software requirements and memory addressing needs to ensure compatibility with your application.
32-Bit
Program Memory Size
Indicates the amount of non-volatile memory available for storing firmware or program code. This determines the maximum code size that can be executed. Verify that the program memory size is sufficient for your application's firmware, including future updates or additional features.
256KB 256K x 8
RAM Size
Specifies the amount of random access memory available for data storage during operation. This determines the complexity of tasks the component can handle. Buyers should verify that the RAM size meets the application's memory requirements, especially for real-time processing or buffering.
64K x 8
Voltage - Supply (Vcc/Vdd)
Indicates the recommended supply voltage range for the component. This is critical for proper operation and must be matched to your power rail. Always verify the absolute maximum ratings and recommended operating conditions in the datasheet to avoid damage or malfunction.
2.25V~2.75V
Core Processor
Identifies the processor architecture and core type, such as ARM Cortex-M or RISC-V. Determines instruction set, toolchain compatibility, and performance characteristics. Check the datasheet for core frequency and features to ensure it meets your processing needs.
ARM® Cortex®-M3
Connectivity
Indicates the communication interfaces supported by the component, such as UART, SPI, I2C, USB, or Ethernet. Engineers compare this to ensure the device can interface with the rest of the system. Verify the exact interface versions and pin assignments in the datasheet.
I2C, IrDA, Microwire, SPI, SSI, UART/USART
Datasheet preview
Datasheet PDF viewer
Preview the LM3S1958-IQC50-A2 datasheet from Texas Instruments to check package, electrical characteristics, application notes, and document evidence before RFQ.
No public product notice document is currently displayed for LM3S1958-IQC50-A2. Confirm PCN, PDN, EOL, date code, and lifecycle status during RFQ before production purchase.
Related sourcing options
Recommended products
Explore related Embedded - Microcontrollers products to compare fit, stock status, datasheets, and sourcing options.
Targeted answers for buyers verifying the exact LM3S1958-IQC50-A2 ordering code, packaging, stock, datasheet, and replacement path.
What does LM3S1958-IQC50-A2 mean?
LM3S1958-IQC50-A2 is the exact ordering code listed for a Embedded - Microcontrollers component from Texas Instruments. The current package reference is -, with listed context including IC MCU 32BIT 256KB FLASH 100LQFP. Buyers should use the full code when requesting stock, price, datasheet, or compliance confirmation.
How should buyers verify the LM3S1958-IQC50-A2 ordering code?
Treat LM3S1958-IQC50-A2 as the full ordering code during RFQ and engineering review. Confirm the listed - package, manufacturer documentation from Texas Instruments, datasheet ordering table, reel or packing details, and any customer approval constraints before substitution or PO release.
What package is LM3S1958-IQC50-A2 supplied in?
LM3S1958-IQC50-A2 is currently listed with package reference - from Texas Instruments. Buyers should confirm the manufacturer package drawing, footprint, pinout, tape-and-reel details, and receiving requirements before approval.
Is LM3S1958-IQC50-A2 currently available?
LM3S1958-IQC50-A2 is currently marked with stock availability on this page. Before ordering, confirm the package (-), listed stock (29636), available quantity (69959), required quantity, lead time, final price, compliance needs, and exact ordering code match through RFQ.
Where can I compare LM3S1958-IQC50-A2 alternatives?
A mapped alternative list is not currently published for LM3S1958-IQC50-A2. Send an RFQ with the target quantity, package constraints, and approval requirements so TrustCompo can help review credible replacement options.