Microchip Technology ATMEGA48PB-AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.32 | $1.32 |
| 15+ | $1.28 | $19.20 |
| 25+ | $1.25 | $31.25 |
| 50+ | $1.18 | $59.00 |
| 100+ | $1.04 | $104.00 |
| N+ | $0.21 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega, Functional Safety (FuSa) |
| Packaging | Tray | |
| 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 ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 32-TQFP (7x7) |
| Package / Case | 32-TQFP |
| ROHS |
The ATMEGA48PB-AU from Microchip Technology is an 8-bit AVR microcontroller running at up to 20MHz. It features 4KB of flash and 512 bytes of SRAM in a 32-TQFP package. With a supply range of 1.8V to 5.5V and an operating temperature of -40°C to 85°C, it includes brown-out reset, POR, PWM, and a watchdog timer. This MCU is a compact, low-power solution for portable and embedded control applications.
- Ultra-low 1.8V operation: Extends battery life in portable devices.
- 20MHz AVR core: Efficient execution for real-time tasks.
- 32-TQFP package: Small footprint for space-constrained designs.
- Integrated PWM: Simplifies motor and LED control.
- Wide temperature range: Reliable in harsh environments.
Battery-Powered IoT Sensors
The 1.8V minimum supply and low-power sleep modes enable years of operation from coin cells in wireless temperature or humidity sensors.
Motor Control in Drones
With 20MHz speed and PWM outputs, it can drive small brushless DC motors via ESCs, while the 32-TQFP package saves weight and space.
Consumer Wearables
Its small footprint and 1.8V operation suit fitness trackers and smartwatches, where the 4KB flash handles basic sensor fusion and BLE coordination.
Automotive Interior Lighting
The 5.5V tolerance allows direct connection to automotive logic, controlling RGB LED strips with PWM and using the WDT for safety.
Industrial Data Acquisition
With 512B RAM, it can buffer samples from an external ADC and transmit via UART/SPI to a host controller in factory automation.
Smart Home Thermostats
It manages temperature sensing, relay control, and user interface in basic thermostats, with brown-out reset ensuring reliable operation.
- Q: What is the voltage range?
- A: It operates from 1.8V to 5.5V.
- Q: What is the maximum speed?
- A: The AVR core runs at up to 20MHz.
- Q: How much flash and RAM?
- A: It has 4KB of flash and 512 bytes of SRAM.
- Q: What package is this?
- A: It is in a 32-TQFP package.
- Q: Does it have PWM?
- A: Yes, it includes PWM, brown-out reset, POR, and WDT.
- Q: What is the voltage range?
- A: It operates from 1.8V to 5.5V.
- Q: What is the maximum speed?
- A: The AVR core runs at up to 20MHz.
- Q: How much flash and RAM?
- A: It has 4KB of flash and 512 bytes of SRAM.
- Q: What package is this?
- A: It is in a 32-TQFP package.
- Q: Does it have PWM?
- A: Yes, it includes PWM, brown-out reset, POR, and WDT.

ATMEGA48PB-AU.pdf