PIC18LF2431-I/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
The PIC18LF2431-I/SO is an 8-bit PIC18 microcontroller featuring 16KB Flash, 768 bytes RAM, integrated PWM, and ADC, operating up to 40 MHz with a minimum 2V supply voltage. It offers motor control peripherals including a Power Control PWM module tailored for brushless DC and stepper motor applications. Available in 28-pin SOIC package with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC18LF2431-I/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.6600(MOQ 1)
- 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 PIC18LF2431-I/SO?
- Integrated Power Control PWM module with 8 channels optimized for brushless DC, stepper, and switched-mode power supply control
- Wide operating voltage from 2V minimum enables battery-powered and low-voltage embedded applications at 4 MHz
- 16KB self-programmable Flash with high-endurance data EEPROM supports field firmware updates and non-volatile data logging
- 40 MHz maximum clock with hardware multiplier enables efficient real-time control loops in motor drive and power conversion applications
What is PIC18LF2431-I/SO used for?
The PIC18LF2431-I/SO is purpose-built for motor control applications, including brushless DC motor drives, stepper motor controllers, and switched-mode power supplies, thanks to its dedicated Power Control PWM module. Its low minimum operating voltage of 2V at 4 MHz makes it well-suited for battery-operated industrial sensors, handheld instruments, and portable control panels. The integrated ADC and PWM peripherals also support precision analog feedback loops in HVAC systems, industrial automation, and robotics.
What are the specifications of PIC18LF2431-I/SO?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-28 |
| Factory Lead Time | 11Weeks |
| YTEOL | 8 |
| Has ADC | YES |
| Additional Feature | OPERATES AT 2 V MINIMUM SUPPLY @ 4 MHZ |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 40MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 3 |
| Number of I/O Lines | 24 |
| Number of Serial I/Os | 1 |
| Number of Timers | 6 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 16 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP28,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 250 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 768 |
| ROM (words) | 8192 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 40MHz |
| Supply Current-Max | 15mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4.2V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Where can I find the PIC18LF2431-I/SO datasheet?
PIC18LF2431-I/SO Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC18LF2431-I/SO?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What makes the PIC18LF2431-I/SO suitable for motor control applications?
The PIC18LF2431-I/SO includes a dedicated Power Control PWM (PCPWM) module with up to 8 output channels, specifically designed for brushless DC motor drives, stepper motors, and switched-mode power supplies. This hardware PWM peripheral handles complementary output generation and dead-time insertion, reducing the CPU overhead needed for motor commutation and allowing tighter real-time control.
What is the Flash and RAM capacity of the PIC18LF2431-I/SO?
The PIC18LF2431-I/SO provides 16KB of self-programmable Flash program memory and 768 bytes of data SRAM. It also includes an integrated high-endurance data EEPROM for non-volatile parameter storage. The 40 MHz maximum clock frequency and 8-bit PIC18 CPU with hardware multiplier enable efficient execution of control algorithms.
What is the minimum supply voltage for the PIC18LF2431-I/SO?
The PIC18LF2431-I/SO (LF suffix) operates from a minimum supply voltage of 2V at 4 MHz, making it highly suitable for battery-powered applications. At higher supply voltages, it can operate up to 40 MHz. This low-voltage operation extends battery life in portable and remote sensor applications compared to standard PIC18F devices.
What ADC capabilities does the PIC18LF2431-I/SO include?
The PIC18LF2431-I/SO integrates a multi-channel 10-bit ADC, enabling accurate analog signal measurement for sensor inputs, current sensing, and voltage feedback in control systems. The ADC can be used alongside the PWM module for closed-loop motor control, battery monitoring, or temperature measurement in industrial and consumer applications.
What package does the PIC18LF2431-I/SO use and is it RoHS compliant?
The PIC18LF2431-I/SO comes in a 28-pin SOIC (Small Outline Integrated Circuit) package, with manufacturer package code SOIC-28. This through-hole compatible surface mount package is easy to solder and inspect, suitable for prototype and production environments. The device is RoHS compliant with a Pbfree Code of Yes, meeting international lead-free manufacturing requirements.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $6.5100 | $6.51 |
| 20+ | $5.0890 | $101.78 |
| 50+ | $4.7836 | $239.18 |
| 5000+ | $4.6600 | $23300.00 |
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