Sparkfun smôl Power Board AAA

Save €16,55
Sparkfun ElectronicsSKU: RB-Spa-2041
Manufacturer #: SPX-18621

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Sale price €4,14 Regular price €20,69

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Description

  • Sparkfun smôl Power Board AAA
  • Offers an intelligent power board
  • Designed to boost the voltage from one or two AAA
  • Onboard ATtiny43U microcontroller
  • Reduces the sleep current to just 12 µA

The Sparkfun smôl Power Board AAA is an intelligent power board for the smôl ecosystem. It is designed to boost the voltage from one or two AAA or AA cells up to 3.3 V, you would expect this board to have a TPS61200 regulator on it, and indeed it does.

(That's the same regulator used on the Sparkfun LiPower - Boost Converter.) But you probably wouldn't expect it to have an AVR ATtiny43 microcontroller on it.

  • 1x Sparkfun smôl Power Board AAA

Size

  • 40.6 x 10.7 x 7.4 mm / 1.60 x 0.42 x 0.29 inch (L x W x H)
  • PCB thickness: 0.8 mm

Boost Regulator (TPS61200)

  • IOUT (max) at VOUT = 3.3V, VIN = 1.5V: ~550 mA
  • IOUT (max) at VOUT = 3.3V, VIN = 3.0V: ~1500 mA
  • IQ: 55 µA

Microcontroller (ATtiny43U 8-bit AVR)

  • Flash: 4 KBytes
  • EEPROM: 64 Bytes
  • SRAM: 256 Bytes
  • On-chip Boost Converter (VIN (min): 0.7 V)

Sleep Current Draw

  • 12µA (with ATtiny43 in Power-Down Mode, VIN = 3.0 V) (measured by Otii Arc)

Smôl

  • Interface: I2C
  • ATtiny43 Default Address: 0x50
  • PROC_PWR_EN
  • The power board pulls PROC_PWR_EN low to disable the regulator on the processor board

  • Weight: 1.6 g

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