Silicon Labs EFM8BB52F32I-C-QFN20
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.57 | $0.57 |
| 15+ | $0.55 | $8.25 |
| 25+ | $0.54 | $13.50 |
| 50+ | $0.51 | $25.50 |
| 100+ | $0.45 | $45.00 |
| N+ | $0.09 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Silicon Labs |
| Product Series | Busy Bee |
| Packaging | Strip | Strip |
| Core Processor | CIP-51 8051 |
| Core Size | 8-Bit |
| Speed | 50MHz |
| Connectivity | I2C, SMBus, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 16 |
| Program Memory Size | 32KB (32K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 2.25K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Data Converters | A/D 16x12b SAR; D/A 1x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 20-QFN (3x3) |
| Package / Case | 20-WFQFN Exposed Pad |
| ROHS |  |
The Silicon Labs EFM8BB52F32I-C-QFN20 is a high-performance 8-bit MCU built on the CIP-51 8051 core. Operating at up to 50MHz with a 1.8V to 5.5V supply, it delivers 32KB flash and 2.25KB RAM in a compact 20-WFQFN package. Its integrated brown-out reset, POR, PWM, and WDT ensure robust operation across -40°C to 125°C, making it ideal for industrial and automotive control.
- High-Speed 8051 Core: 50MHz execution provides 10x faster processing than legacy 8-bit MCUs, enabling complex algorithms.
- Wide Voltage Range: 1.8V-5.5V operation simplifies power design and supports both battery and 5V logic.
- Extended Temperature: -40°C to 125°C rating ensures reliability in harsh environments.
- Integrated Safety Features: BOD, POR, and WDT reduce external components and improve system robustness.
Industrial Sensor Interfaces
The 50MHz CIP-51 core and 5.5V I/O tolerance allow direct interfacing with industrial sensors and actuators without external level shifters.
Motor Control
Integrated PWM and WDT support precise, fail-safe motor commutation in brushless DC and stepper motor applications.
Portable Medical Devices
Low power consumption and a wide 1.8V-5.5V range enable battery-powered operation in compact 20-QFN packages.
Smart Home Controllers
With 32KB flash and robust reset features, it can manage multiple communication protocols and user interfaces reliably.
Automotive Body Electronics
The -40°C to 125°C temperature range and brown-out detection make it suitable for under-hood and body control modules.
Power Management Units
Fast 50MHz processing and PWM outputs enable high-frequency switching control for efficient DC-DC converters.
- Q: What is the maximum operating frequency of the EFM8BB52F32I-C-QFN20?
- A: The core runs at up to 50MHz, providing high-speed processing for real-time control.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V, supporting both 3.3V and 5V systems.
- Q: How much flash memory does this MCU have?
- A: It includes 32KB of flash program memory and 2.25KB of RAM.
- Q: What package is available?
- A: It comes in a 20-WFQFN exposed pad package, suitable for compact designs.
- Q: Does it include a watchdog timer?
- A: Yes, it features a WDT along with brown-out detect/reset and POR for reliable operation.
EFM8BB52F32I-C-QFN20.pdf
- Q: What is the maximum operating frequency of the EFM8BB52F32I-C-QFN20?
- A: The core runs at up to 50MHz, providing high-speed processing for real-time control.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V, supporting both 3.3V and 5V systems.
- Q: How much flash memory does this MCU have?
- A: It includes 32KB of flash program memory and 2.25KB of RAM.
- Q: What package is available?
- A: It comes in a 20-WFQFN exposed pad package, suitable for compact designs.
- Q: Does it include a watchdog timer?
- A: Yes, it features a WDT along with brown-out detect/reset and POR for reliable operation.
