this is information on a product in full production. june 2014 docid17370 rev 5 1/8 efl700a39 enfilm? - rechargeable solid state lithium thin film battery datasheet ? production data features ? all solid-state ? ultra thin ? fast recharge ? low capacity loss ? long cycle life ? rohs compliant ? ul file number: mh47669 complies with the following standards ? iec 62133 ? un manual of tests and criteria, part iii, subsection 38.3 ? iso7816 / iec10373 (m echanical / flexibility smartcard standards) 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 the efl700a39 is a thin film rechargeable lithium battery. the battery has a licoo 2 cathode, lipon ceramic electrolyte and a lithium anode. tm: enfilm is a trademark of stmicroelectronics table 1. device summary symbol value capacity 0.7 mah v nominal 3.9 v v op 3.0 to 4.2 v r int 100 ohm i p 10 ma dimension 25.7 x 25.7 mm thickness 220 m www.st.com
characteristics efl700a39 2/8 docid17370 rev 5 1 characteristics table 2. absolute ratings symbol parameter value unit v op operating voltage 3.0 ? 4.2 v i c maximum continuous discharge current 5 ma i p maximum pulsed discharge current (1) at 30 c 1. pulsing conditions: 100 ms on, 0.9 s off, cut off voltage during pulse = 2 v for higher pulses current contact st representative 10 ma t stg storage temperature range - 20 to 60 c t op operating temperature range (2) 2. 1/30 c discharge at -20 c: operating at 60 c reduces the cycle life - 20 to 60 c c lfe cycle life (to minimum of 80% of initial capacity) (3) 3. 1c discharge rate: cycling between soc = 75% to soc = 0% (soc = state of charge) 4000 cycle table 3. electrical characteristics symbol parameter test conditions min typ max unit c nominal capacity (minimum) t = 30 c discharge @ 1 ma cut-off voltage = 3.0 v 0.7 - - mah r int internal resistance t = 30 c - 100 120 ohm c t charge time to 80% of full capacity constant voltage = 4.2 v - - 20 mn s disch self discharge charge loss (recoverable) room temperature (1) soc = 50% 1. for other operating conditions contact st representative - 3 %/year capacity loss (non-recoverable) - 20 % over 10 years
docid17370 rev 5 3/8 efl700a39 characteristics 8 figure 1. typical discharge curve figure 2. typical charge curve figure 3. typical pulsed discharge curve 3,0 3,2 3,4 3,6 3,8 4,0 4,2 0 0,1 0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 1 5 ma 3.5 ma 1.4 ma 1 ma 0.7 ma 350 a 70 a 10 a 1 a voltage (v) typical discharge curve at 30c discharge capacity (ma.h) 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 90.0 100.0 10 20 30 40 charge time (min.) charge capacity (%) charge done at constant voltage of 4.2 v at 30 c 2 2.5 3 3.5 4 4.5 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 discharge capacity(mah) voltage(v) pulse conditions: 10 ma, 100 msec on 900 msec off, tested at 30 c
application information efl700a39 4/8 docid17370 rev 5 2 application information this product is not authorized for use in (i) implantable medical devices (devices placed under the skin (devices such as hearing aids are not considered implantable medical devices)), (ii) us government specific (custom) applications or (iii) wafer test devices (?prohibited applications?). st disclaims any liability, including any intellectual property infringement or misappropriation claims, resulting from the use of the product in prohibited applications. any such use shall be at customer's sole risk and the customer shall defend, indemnify and hold harmless st from any liability, damage, costs or expense (including attorney fees) resulting from such use. furthermore, st shall stop selling the product for use in the prohibited applications if customer does not cease using the product in the prohibited applications within 15 days of notice until such time as customer has taken precautions reasonably satisfactory to st to prevent such prohibited use. customer shall be responsible to st for any finished goods or work in process in such instance similar to any order cancellation. 3 recommended charge and discharge processes 3.1 charge battery can be charged from a 4.2 v 0.05 v constant voltage source with or without current limit. more than 90% of the total capacity is recharged when the charge current falls below 0.1 ma. 3.2 discharge when discharging under constant current or constant load, the cut-off voltage should be no less than 3.0 v. cut-off voltage can be lowered to 2.0 v for pulsed discharge. 3.3 design recommendations: refer to stmicroelectronics application note: an4085:design considerations of the efl700a39.
docid17370 rev 5 5/8 efl700a39 package information 8 4 package information in order to meet environmental requirements, st offers these devices in different grades of ecopack ? packages, depending on their level of environmental compliance. ecopack ? specifications, grade definitions and product status are available at: www.st.com . ecopack ? is an st trademark. figure 4. package dimension definitions figure 5. footprint table 4. package dimension values ref dimensions millimeters inches min. typ. max. min. typ. max. a 25.2 25.7 26.05 0.992 1.012 1.026 b 25.2 25.7 26.05 0.992 1.012 1.026 t 0.20 0.22 0.008 0.009 t 0.07 0.003 y 5.3 5.9 0.209 0.232 g 0.3 0.012 b b t t a y g g y a interconnection: contact + interconnection contact detail echelle: 80/1 detail scale: 5/1 interconnection: contact - t g 45 opposite marking side view 25.4 5.46 45 c
recommendations for the assembly on pcb efl700a39 6/8 docid17370 rev 5 figure 6. tray dimensions figure 7. tape and reel specification 5 recommendations for the assembly on pcb refer to the stmicroelectronics application note: an4046: ?enfilm? micro battery efl700a39, recommendations for manual assembly on pcb?. an4351: ?enfilm? micro battery efl700a39, automatic or semi-automatic mounting on pcb?. 175 175 45 15 23 1.5 32 0.2 32 0.2 128 0.3 128 0.3 26.1 26.1 dimensions in mm st 0.7 1.5 5.7 st user direction of feed round holes elongated(oblong) holes dimensions in mm st feed 2.00 32.0 25.90 25.65 40.4 1.00 ? 1.50 ? 2.0 1.75 20.2 44 0.3 4.0 2.0 0.15
docid17370 rev 5 7/8 efl700a39 ordering information 8 6 ordering information figure 8. ordering information scheme 7 revision history table 5. ordering information order code marking weight base qty delivery mode efl700a39 efl700a39 0.2 g 25 tray EFL700A39-RL efl700a39 0.2 g 100 tape and reel efl 700 a 39 enfilm microbattery ? capacity package dimensions nominal voltage 700 = 700 ah a = 25.7 x 25.7 mm, thickness = 220 m 39 = 3.9 v table 6. document revision history date revision changes 08-apr-2010 1 initial release. 23-apr-2012 2 insert an4046 reference for recommendations for the soldering process and update figure 4 . 27-sep-2013 3 updated figure 4 and chapter 5 . 05-nov-2013 4 updated figure 1 and features 02-jun-2014 5 updated features , applications , table 1 , table 2 , table 3 , table 4 , table 5 , figure 4 and figure 8 . added figure 5 , figure 6 and figure 7 . added chapter 3.3 .
efl700a39 8/8 docid17370 rev 5 please read carefully: information in this document is provided solely in connection with st products. stmicroelectronics nv and its subsidiaries (?st ?) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described he rein at any time, without notice. all st products are sold pursuant to st?s terms and conditions of sale. purchasers are solely responsible for the choice, selection and use of the st products and services described herein, and st as sumes no liability whatsoever relating to the choice, selection or use of the st products and services described herein. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. i f any part of this document refers to any third party products or services it shall not be deemed a license grant by st for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoev er of such third party products or services or any intellectual property contained therein. unless otherwise set forth in st?s terms and conditions of sale st disclaims any express or implied warranty with respect to the use and/or sale of st products including without limitation implied warranties of merchantability, fitness for a particular purpose (and their equivalents under the laws of any jurisdiction), or infringement of any patent, copyright or other intellectual property right. st products are not designed or authorized for use in: (a) safety critical applications such as life supporting, active implanted devices or systems with product functional safety requirements; (b) aeronautic applications; (c) automotive applications or environments, and/or (d) aerospace applications or environments. where st products are not designed for such use, the purchaser shall use products at purchaser?s sole risk, even if st has been informed in writing of such usage, unless a product is expressly designated by st as being intended for ?automotive, automotive safety or medical? industry domains according to st product design specifications. products formally escc, qml or jan qualified are deemed suitable for use in aerospace by the corresponding governmental agency. resale of st products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by st for the st product or service described herein and shall not create or extend in any manner whatsoev er, any liability of st. st and the st logo are trademarks or registered trademarks of st in various countries. information in this document supersedes and replaces all information previously supplied. the st logo is a registered trademark of stmicroelectronics. all other names are the property of their respective owners. ? 2014 stmicroelectronics - all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - ital y - japan - malaysia - malta - morocco - philippines - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com
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