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
Key Features
- 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
Applications
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.
Specifications
| 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 |
Alternate & Equivalent Parts
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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| 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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