EFL700A39 STMicroelectronics

EFL700A39 EnFilm - rechargeable solid state lithium thin film battery Datasheet production data Applications Device is intended to be used in a wide range of applications including: Internet of things Sensors and networks Smart card RF ID tags Energy storage for energy harvesting devices Non implantable medical applications Backup power Wearable applications Description Features The EFL700A39 is a thin film rechargeable lithium All solid-state battery. The battery has a LiCoO cathode, 2 LiPON ceramic electrolyte and a lithium anode. Ultra thin Fast recharge Table 1. Device summary Low capacity loss Symbol Value Long cycle life Capacity 0.7 mAh RoHS compliant V 3.9 V nominal UL file number: MH47669 V 3.0 to 4.2 V op Complies with the following standards R 100 ohm int IEC 62133 I 10 mA p UN Manual of Tests and Criteria, Part III, Dimension 25.7 x 25.7 mm subsection 38.3 Thickness 220 m ISO7816 / IEC10373 (mechanical / flexibility smartcard standards) TM: EnFilm is a trademark of STMicroelectronics June 2014 DocID17370 Rev 5 1/8 This is information on a product in full production. www.st.comCharacteristics EFL700A39 1 Characteristics Table 2. Absolute ratings Symbol Parameter Value Unit V Operating voltage 3.0 4.2 V op I Maximum continuous discharge current 5 mA c (1) I Maximum pulsed discharge current at 30 C 10 mA p T Storage temperature range - 20 to 60 C stg (2) T Operating temperature range - 20 to 60 C op (3) C Cycle life (to minimum of 80% of initial capacity) 4000 cycle lfe 1. Pulsing conditions: 100 ms on, 0.9 s off, cut off voltage during pulse = 2 V for higher pulses current contact ST representative 2. 1/30 C discharge at -20 C: operating at 60 C reduces the cycle life 3. 1C discharge rate: cycling between SoC = 75% to SoC = 0% (SoC = state of charge) Table 3. Electrical characteristics Symbol Parameter Test conditions Min Typ Max Unit T = 30 C C Nominal capacity (minimum) Discharge 1 mA 0.7 - - mAh Cut-off voltage = 3.0 V R Internal resistance T = 30 C - 100 120 ohm int C Charge time to 80% of full capacity Constant voltage = 4.2 V - - 20 mn t Charge loss - 3 %/year (1) (recoverable) Room temperature S Self discharge Disch SoC = 50% Capacity loss % over - 20 (Non-recoverable) 10 years 1. For other operating conditions contact ST representative 2/8 DocID17370 Rev 5