AV03 AA BAT

Features

This leaf has an AA battery holder and converts 1.5V battery voltage to 3.3V using a step-up power supply circuit and supplies 3.3V to each leaf. A switch for turning on/off the 3.3V is mounted. The AD converter for monitoring the battery voltage is mounted in this IC.

Specification

Dimension

Item Description
Dimension   W23×D60×H24.2mm

Power Supply

Item Description
Part number TPS61099YFFR
Battery voltage 0.7~3.8V
Output voltage 3.3V±2%
Controlling method PWM/PFM Automatic switching control
Maximum output current 300mA @3.3V to 5V
Protection circuit Over current protection / Thermal shutdown

AD Converter

Item Description
Part number ADC081C027CIMK
Resolution 8bit
Reference voltage Vdd(3.3V)
Sample rate 188.9kSPS(max)
Interfaces I2C (Address: 0x50)

Block diagram

Pinassign

Tips

About the switch

Item Description
Switch Switch for turning on and off the 3.3v power

Sample App

Document

Revision history

  • Rev A1.0: First edition, August 2019

Back to previous page


Last modified 12.03.2021