EnFilm™ Rechargeable solid state thin film battery EFL700A39: The ideal rechargeable energy storage solution for long life and thin IoT nodes ST’s EnFilm™ thin-film batteries are a new concept of extremely thin - 220 µm - rechargeable solid-state batteries with fast constant-voltage recharge. The lifetime of more than 10 years or 4000 cycles make the EnFilmTM battery the ideal solution for industrial process monitoring. Targeted applications key features • Internet of Things • Capacity: 700 µAh • Sensors • Nominal voltage: 3.9 V • Smartcard • Cycling voltage: 4.2 V - 3.0 V • Back up power for Energy-harvesting • Dimension: 25.7 x 25.7 mm applications • Wearable system • Thickness: 220 µm • UN Manual Test Criteria, Part III, subsection 38.3. • UL compliant • IEC 62133 • Flexibility: ISO 7816 VALUE PROPOSITION • 10 years life time • Up to 4000 charges / discharge cycle • Extremely thin • Fast Recharge : 30 min • Pulse current up to 10 mA www.st.com/enfilm EFL700A39 : a fast-charging battery Typical discharge curve at 30 °C 4.2 Typical charge curve at 30 °C Voltage (V) 100 90 80 70 60 50 40 30 20 10 0 4.0 3.8 3.6 3.4 3.2 3.0 0 0.1 0.2 5 mA 3.5 mA 350 µA 70 µA 0.3 0.4 1.4 mA 10 µA 0.5 0.6 0.7 0.8 0.9 1 Discharge capacity (mA.h) 1 mA 1 µA Charge capacity (%) 10 20 Charge done at constant voltage of 4.2 V at 30 °C 30 40 Charge time (min.) 0.7 mA • 98 % charge after only 30 min • lifetime of more than 10 years or 4000 cycles EFL700A39 packing selection guide Partnumber EFL700A39 EFL700A39-RL Packing type Bulk quantity Minimum order quantity Tray 25 25 Tape and reel 100 1 EFL700PMB EFL700A39 evaluation tools Two kits are available for evaluating and supporting the design of EnFilm™ EFL700A39 based applications: • The power management board EFL700PMB includes all the necessary power management circuitry around the EFL700A39 so can be directly connected and used in the application for rapid evaluation. • The complete evaluation kit EFL700EVALKIT enables discovery of the performance of the EFL700A39 by monitoring the voltage and the dynamic charge / discharge current in real use-case conditions. EFL700EVALKIT Visit us at www.st.com/enfilm © STMicroelectronics - June 2015 - Printed in United Kingdom - All rights reserved The STMicroelectronics corporate logo is a registered trademark of the STMicroelectronics group of companies All other names are the property of their respective owners Order code: FLENFILM0515 For more information on ST products and solutions, visit www.st.com