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Name: PIC18LF25K22-I/ML
Brand: Microchip Technology
SKU: PIC18LF25K22-I/ML
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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Microchip Technology PIC18LF25K22-I/ML

Part No.:: PIC18LF25K22-I/ML

Manufacturer:: Microchip Technology

Package:: 28-VQFN Exposed Pad

Datasheet:: PIC18LF25K22-I/ML.pdf

Description:: IC MCU 8BIT 32KB FLASH 28QFN

In Stock:: 2328

Quantity:: Add To Cart

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PIC18LF25K22-I/ML Specifications

Package/Case:
28-VQFN Exposed Pad
Packaging:
Tube
Series:
PIC® XLP™ 18K
RoHS:
RoHS
Speed:
64MHz
RAM Size:
1.5K 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:
24
Core Processor:
PIC
Data Converters:
A/D 19x10b
Oscillator Type:
Internal
Program Memory Size:
32KB (16K x 16)
Program Memory Type:
FLASH
Operating Temperature:
-40°C ~ 85°C (TA)

PIC18LF25K22-I/ML this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PIC18LF25K22-I/ML 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 PIC18LF25K22-I/ML 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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PIC18LF25K22-I/ML information

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PIC18LF25K22-I/ML Typical application Circuitry

PIC18LF25K22-I ML

The PIC18LF25K22-I/ML is a versatile microcontroller from Microchip, designed for low-power applications. It's part of the PIC18F K22 family, known for its rich feature set that includes extended memory, diverse peripherals, and low power consumption, making it ideal for a wide range of applications from industrial controls to battery-powered devices.

Key Features of PIC18LF25K22-I/ML

- Enhanced Mid-Range Core: With a wide operating voltage range, it supports complex applications while maintaining low power consumption.

- Extended Flash Memory: Offers ample space for application code, suitable for complex algorithms and large software stacks.

- Comprehensive Peripherals: Includes ADCs, USART, SPI, I²C interfaces, and PWM outputs, supporting a wide range of connectivity and control options.

- Low Power Features: Multiple sleep modes and power management options facilitate designs that require minimal power consumption for battery longevity.

- Flexible Oscillator Options: Supports various clock sources, allowing precise control over power consumption and processing speed.

Application Scenario: Battery-Powered Portable Health Monitor

Circuit Connection Details

In a portable health monitor scenario, the PIC18LF25K22-I/ML can be used to integrate sensors for monitoring vital signs, communicate with other devices, and manage power efficiently.

- Power Supply Connections: Connect VDD (pin 1) to a +3.3V battery and VSS (pin 8, 19) to ground. Utilize low dropout regulators and place decoupling capacitors close to these pins to ensure a stable power supply.

- Heart Rate Sensor Interface: Attach a heart rate sensor's output to an ADC pin, such as AN0 (pin 2). This connection allows the microcontroller to periodically measure the heart rate.

- Display Interface for Output: Utilize SPI or I²C pins (SDA/SCL on pins 13 and 14, respectively) to connect to a small OLED display for showing the heart rate and other vital signs. This provides a user-friendly way to display data.

- Power Management: Implement power-saving modes by using the SLEEP and IDLE instructions effectively. Configure the microcontroller to enter these modes when not processing sensor data or updating the display to conserve battery life.

- Programming and Debugging Interface: For programming the PIC18LF25K22-I/ML, use the PGC (pin 9) and PGD (pin 10) pins for ICSP (In-Circuit Serial Programming). MCLR (pin 4) is used to reset the device during the programming process. These connections are essential for firmware updates and debugging.

Design Considerations

When developing a circuit with the PIC18LF25K22-I/ML, especially for a portable health monitor, several critical factors need to be addressed:

- Power Efficiency: Given its battery-powered nature, optimizing power consumption through efficient code and hardware design is critical. This includes utilizing low power modes and carefully managing peripheral power usage.

- Signal Integrity: Ensuring clean and stable signals for both the sensor inputs and communication interfaces is crucial. This may involve filtering and shielding techniques to minimize noise.

- User Interface Design: The design of the user interface, including the display and possible input buttons, must be intuitive and responsive. This involves careful planning of the UI logic and display management to enhance user experience.

- Firmware Flexibility: Providing a means for easy firmware updates is essential for fixing bugs and adding features. This could be facilitated through a physical connection or wireless means if supported.

- Security and Privacy: Implementing security measures to protect sensitive health data collected and processed by the device is paramount, considering potential risks in data handling and transmission.

By incorporating these considerations, the PIC18LF25K22-I/ML microcontroller can effectively serve as the core of a portable health monitor, demonstrating its capacity to integrate sensors, manage power efficiently, and interface with displays and other devices, thereby showcasing its versatility in embedded systems designed for health applications.

PIC18LF25K22-I/ML FAQ

1. How to order PIC18LF25K22-I/ML 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 PIC18LF25K22-I/ML is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the PIC18LF25K22-I/ML. All suppliers must pass our qualification reviews before they can publish their products including PIC18LF25K22-I/ML on icwhale.com; we pay more attention to the channels and quality of PIC18LF25K22-I/ML products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the PIC18LF25K22-I/ML price and inventory displayed accurate?

The price and inventory of PIC18LF25K22-I/ML 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?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

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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 PIC18LF25K22-I/ML?

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 PIC18LF25K22-I/ML we delivered, we will accept the replacement or return of the PIC18LF25K22-I/ML 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 PIC18LF25K22-I/ML.

(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