Microchip Technology PIC18F4520T-I/ML

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series PIC® 18F
Packaging Cut Tape (CT) | Tape & Reel (TR)
Core Processor PIC
Core Size 8-Bit
Speed 40MHz
Connectivity I2C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number of I/O 36
Program Memory Size 32KB (16K x 16)
Program Memory Type FLASH
EEPROM Size 256 x 8
RAM Size 1.5K x 8
Voltage - Supply (Vcc/Vdd) 4.2V ~ 5.5V
Data Converters A/D 13x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 44-QFN (8x8)
Package / Case 44-VQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The PIC18F4520T-I/ML is a robust 8-bit microcontroller from Microchip Technology, operating at 40MHz with 32KB Flash memory. Designed for 5V systems, it provides reliable performance in industrial and automotive environments. The 44-VQFN package with exposed pad ensures excellent thermal dissipation, while integrated features like PWM, Brown-out Reset, and WDT enhance system reliability.

  • 5V Operation (4.2V-5.5V): Ensures compatibility with legacy 5V sensors and actuators, simplifying system integration.
  • High-Speed 40MHz Core: Provides the performance headroom needed for complex 8-bit applications.
  • Enhanced Thermal Package (VQFN): The exposed pad improves heat transfer, enabling operation in high-temperature environments.
  • Comprehensive Safety Features: Includes BOR, POR, and WDT to prevent system failures and ensure data integrity.

Automotive Engine Control

The 5V operation and robust reset features make it suitable for engine management systems that require high noise immunity and reliable startup.

Industrial PLCs

Its 40MHz speed and PWM outputs allow for implementing fast logic control and analog signal conditioning in programmable logic controllers.

White Goods Appliances

With a wide voltage range and low-cost 8-bit architecture, it is perfect for controlling washing machines, refrigerators, and microwaves.

HVAC Systems

It can manage temperature sensors, fan motors, and compressor relays, providing efficient climate control in residential and commercial buildings.

Test & Measurement Equipment

The integrated ADC and timers enable precise frequency counting and voltage measurement in portable instruments.

Security Systems

Its low power consumption and WDT make it ideal for motion detectors and alarm control panels that need to run continuously.

Q: What is the supply voltage for the PIC18F4520T-I/ML?
A: It requires a supply voltage between 4.2V and 5.5V, making it a 5V logic device.
Q: What is the CPU speed?
A: It operates at up to 40MHz, providing high-speed execution for 8-bit applications.
Q: How much program memory does it have?
A: It has 32KB of Flash program memory (16K x 16).
Q: What package is this variant?
A: It is offered in a 44-pin VQFN package with an exposed pad for improved thermal performance.
Q: What are the key safety features?
A: It includes Brown-out Detect/Reset, Power-on Reset, and Watchdog Timer for reliable operation.
Base Product Number : PIC18F4520
1.5KB RAM 32KB Flash 40MHz 5V 8-bit MCU Automotive BOR Industrial PIC PIC18 PWM VQFN-44 WDT
Q: What is the supply voltage for the PIC18F4520T-I/ML?
A: It requires a supply voltage between 4.2V and 5.5V, making it a 5V logic device.
Q: What is the CPU speed?
A: It operates at up to 40MHz, providing high-speed execution for 8-bit applications.
Q: How much program memory does it have?
A: It has 32KB of Flash program memory (16K x 16).
Q: What package is this variant?
A: It is offered in a 44-pin VQFN package with an exposed pad for improved thermal performance.
Q: What are the key safety features?
A: It includes Brown-out Detect/Reset, Power-on Reset, and Watchdog Timer for reliable operation.