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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATmega, Functional Safety (FuSa)
Packaging Tray | NULL
Core Processor AVR
Core Size 8-Bit
Speed 20MHz
Connectivity I2C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 27
Program Memory Size 4KB (2K x 16)
Program Memory Type FLASH
EEPROM Size 256 x 8
RAM Size 512 x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters A/D 8x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 32-VFQFN (5x5)
Package / Case 32-VFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATMEGA48PB is an 8-bit AVR microcontroller from Microchip, operating at 1.8-5.5V with a 20MHz core. It provides 4KB flash and 512B RAM in a 32-VFQFN package, featuring PWM, WDT, and brown-out detection for reliable control systems.

  • Wide supply voltage: 1.8-5.5V simplifies power design and 5V logic compatibility.
  • High-temperature tolerance: -40°C to 105°C for demanding environments.
  • Compact 32-QFN: Reduces footprint while offering 32 pins for I/O.
  • Proven AVR architecture: Extensive ecosystem and code libraries.

Industrial Control Panels

Wide voltage range (up to 5.5V) interfaces directly with 5V sensors and relays.

Automotive Electronics

105°C rating suits under-hood and engine bay modules.

Robotics

20MHz AVR core with PWM enables precise servo and motor control.

Power Tools

Robust BOR and WDT handle noisy environments with voltage spikes.

Home Appliances

4KB flash is sufficient for washing machine and microwave control logic.

Data Acquisition

Multiple I/O pins in 32-QFN allow parallel sensor reading.

Q: What is the voltage range?
A: 1.8V to 5.5V.
Q: What package is offered?
A: 32-VFQFN exposed pad.
Q: What is the max speed?
A: 20MHz.
Q: Does it support PWM?
A: Yes, with multiple PWM channels.
Base Product Number : ATMEGA48PB
20MHz 32-pin 5V tolerant 8-bit MCU automotive AVR industrial PWM QFN WDT
Q: What is the voltage range?
A: 1.8V to 5.5V.
Q: What package is offered?
A: 32-VFQFN exposed pad.
Q: What is the max speed?
A: 20MHz.
Q: Does it support PWM?
A: Yes, with multiple PWM channels.