What is the Additional Feature ?

Name: PIC18LF4420-I/PT
Brand: WEC
SKU: PIC18LF4420-I/PT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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WEC PIC18LF4420-I/PT

Part No.:: PIC18LF4420-I/PT

Manufacturer:: WEC

Package:: 44-TQFP

Datasheet:: PIC18LF4420-I/PT.pdf

Description:: IC MCU 8BIT 16KB FLASH 44TQFP

In Stock:: 2028

Quantity:: Add To Cart

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PIC18LF4420-I/PT Specifications

Package/Case:
44-TQFP
Packaging:
Bulk,Tray
Series:
PIC® 18F
RoHS:
RoHS
Speed:
40MHz
RAM Size:
768 x 8
Core Size:
8-Bit
EEPROM Size:
256 x 8
Part Status:
Active
Peripherals:
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Connectivity:
I²C, SPI, UART/USART
Mounting Type:
Surface Mount
Number of I/O:
36
Core Processor:
PIC
Data Converters:
A/D 13x10b
Oscillator Type:
Internal
Program Memory Size:
16KB (8K x 16)
Program Memory Type:
FLASH
Operating Temperature:
-40°C ~ 85°C (TA)

PIC18LF4420-I/PT this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PIC18LF4420-I/PT price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for PIC18LF4420-I/PT to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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PIC18LF4420-I/PT information

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PIC18LF4420-I/PT Typical application Circuitry

PIC18LF4420-I PT

The PIC18LF4420-I/PT is a high-performance microcontroller chip developed by Microchip Technology, designed for advanced applications requiring sophisticated control mechanisms and efficient power management. It belongs to the PIC18F series, renowned for its high computational speed, extensive memory resources, and versatile peripheral integration, making it suitable for a broad spectrum of applications, including industrial automation, consumer electronics, automotive systems, and smart sensors.

Key Features of PIC18LF4420-I/PT

- High-Performance RISC CPU: Features a powerful Reduced Instruction Set Computing (RISC) architecture, enabling fast processing and efficient operation.

- Enhanced Flash Memory: Possesses a sizable amount of flash memory, which makes it possible to store intricate and extensive program codes.

- Analog Peripherals: Includes an Analog-to-Digital Converter (ADC) with up to 13 channels, ideal for interfacing with various sensors.

- Comprehensive Communication Interfaces: Offers USART, SPI, and I²C modules for robust connectivity options with other devices and systems.

- Low Power Consumption: Designed for low-power operation, with several power-saving modes to extend battery life in portable applications.

Application Scenario: Automated Greenhouse Control System

Circuit Connection Details

In an automated greenhouse control system, the PIC18LF4420-I/PT can be utilized to monitor environmental conditions and control actuators like fans, heaters, and irrigation systems based on sensor inputs.

- Power Supply Connections: Connect VDD (pin 11, 32) to a +5V power source and VSS (pin 12, 31) to ground.Use decoupling capacitors and voltage regulators to guarantee a steady power supply for dependable operation.

- Temperature and Humidity Sensor Interface: Link a DHT22 sensor to a digital I/O pin, such as RD0 (pin 19), to measure the greenhouse's temperature and humidity. This sensor provides digital output, simplifying the interface with the microcontroller.

- Light Intensity Sensor Connection: Attach a photoresistor to one of the ADC inputs, for instance, AN0 (pin 2), through a voltage divider circuit. This setup allows the microcontroller to monitor ambient light levels for controlling artificial lighting.

- Actuator Control for Environmental Management: Use PWM outputs, like RC2 (pin 17), to regulate the speed of ventilation fans. Digital outputs, such as RC0 (pin 16) and RC1 (pin 15), can control relays for heating systems and water pumps, respectively.

- LCD Display Interface for Monitoring: Interface an LCD display using the SPI or I²C module (SDA/SCL on pins 23 and 24) to show real-time data and system status, providing a user-friendly interface for monitoring and manual control.

- Programming and Debugging Interface: For programming the PIC18LF4420-I/PT, use the ICSP protocol by connecting a programmer to PGD (pin 40) and PGC (pin 39), with MCLR/VPP (pin 1) used to reset the device. This setup is crucial for loading firmware and troubleshooting.

Design Considerations

Several important considerations must be made while constructing a circuit for an automated greenhouse system using the PIC18LF4420-I/PT:

- System Reliability: Ensure the system operates reliably under various environmental conditions, incorporating protection against moisture, dust, and temperature extremes.

- Power Efficiency: Although designed for low power consumption, further optimization may be required for battery-operated or solar-powered systems to ensure long-term autonomy.

- Sensor Accuracy and Calibration: Implement calibration routines for sensors to maintain accuracy over time, considering the potential for drift and environmental influences.

- User Interface and Control: Create an intuitive user interface that enables non-technical users to keep an eye on circumstances and change settings as needed.

- Security and Safety: Incorporate measures to prevent unauthorized access to control systems and ensure that fail-safes are in place to protect plants in case of system failure.

By leveraging the PIC18LF4420-I/PT in such a scenario, its capabilities in managing multiple sensor inputs, processing environmental data, and controlling actuators are fully utilized, demonstrating its suitability for complex, autonomous systems like an automated greenhouse control system.

PIC18LF4420-I/PT FAQ

1. How to order PIC18LF4420-I/PT on icwhale.com?

Currently, icwhale.com only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

2. How does icwhale.com guarantee that PIC18LF4420-I/PT is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the PIC18LF4420-I/PT. All suppliers must pass our qualification reviews before they can publish their products including PIC18LF4420-I/PT on icwhale.com; we pay more attention to the channels and quality of PIC18LF4420-I/PT products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the PIC18LF4420-I/PT price and inventory displayed accurate?

The price and inventory of PIC18LF4420-I/PT fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

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5. How is the shipping arranged?

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Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of PIC18LF4420-I/PT?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the PIC18LF4420-I/PT we delivered, we will accept the replacement or return of the PIC18LF4420-I/PT only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of PIC18LF4420-I/PT.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations