Silicon Labs EFM8™ Sleepy Bee 8-bit MCUs

Silicon Labs EFM8™ Sleepy Bee Family of MCUs are energy-friendly 8-bit microcontrollers with comprehensive features in small packages. They have low power consumption by combining innovative low energy techniques and short wake-up times from energy-saving modes. The Silicon Labs EFM8 are well suited for any battery-operated applications.

Features

  • Lowest MCU sleep current with supply brownout (50nA)
  • Lowest MCU active current (150μA/MHz at 24.5MHz)
  • Lowest MCU wake on touch average current (< 1μA)
  • Lowest sleep current using internal RTC and supply brownout (< 300nA)
  • Ultra-fast wake up for digital and analog peripherals (< 2μs)
  • Integrated LDO to maintain ultra-low active current at all voltages

Applications

  • Touchpads/keypads
  • Wearables
  • Instrumentation panels
  • Battery-operated consumer electronics
  • Hand-held devices
  • Industrial controls
  • Sensor interfaces

EFM8SB1 Block Diagram

Block Diagram - Silicon Labs EFM8™ Sleepy Bee 8-bit MCUs

EFM8SB2 Block Diagram

Block Diagram - Silicon Labs EFM8™ Sleepy Bee 8-bit MCUs
Publié le: 2015-08-10 | Mis à jour le: 2025-08-05