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| li-ion/polymer 1cell protector 1 no. ea-090-0402 outline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r5426xxxxx 2 features ? /" #%<&%&! =3 ? ? ? ? ? ? ? ? 3 3 3 ! % # : 83 ? & 8 '# & ! ) - ! -%%4#* & ! % -%%4#* & 8& % -%%4#* ; ! % -%%4#* =& 8& 8 ? ?? ? ? ? ?? ? ? r5426xxxxx 3 block diagram v dd ds + - + - oscillator counter + - + - logic circuit level shift delay logic circuit short detector v ss v - c out d out vd4 vd1 vd2 vd3 selection guide % % # !+ !+ ! %+ ! % + 2!* " ! c%&" ! ## .d ?? ?? ? r5426xxxxx 4 pin configurations sot-23-6 son6 64 5 123 (mark side) 1 2 3 6 5 4 (mark side) pin description pin no. sot-23-6 son6 symbol description 88 4 -%% ! + <- %% 3 c !! % 5 -%% ! + <- %% 4 c % %% #*& 3 c .%#*+%" #!# # 5 3 e % r5426xxxxx 5 absolute maximum ratings v ss =0v symbol item ratings unit 3 %#* #! 5 8 3 3 3 %3 #! 3 4 3 = 3 ( 5 3 5 3 ( 5 3 3 3 34 -%% #! 4 3 = 3 ( 5 3 5 3 ( 5 3 3 c c . 8 &, -!&%! = ? ! !&%! 8 ? absolute maximum ratings /" #%<&%&! # #& #%&% " % * < +% #% *. &&% " &%# %#* - " " #%&&%&!&* % ! & &! ! #* #*&#* % # "# .#& r5426xxxxx 6 electrical characteristics unless otherwise specified, topt=25c symbol item conditions min. typ. max. unit *note 2 !! ? !! ? "# $%& ' ! ! ( ' ! (( ( ( ! ! ) ( ) *+ ' + ! "# # , ( , ' + ! ! ) ( ) *+ ! ) ' + $# "# ) , ( ! ' + ! ) ( ) - ! , # .' - ! ! ( / *+ ! ! 0 ? .- 121 3! .- 11 ! ( .- 4 ! ! ( ? 5 5 % 6 /7 8 5 % 6 /7 !9 ! !) 5 5 . 6 /7 ( ( 8 5 . 6 /7 !9 ! !) 6 - ' !9 ! /7 6 - :' ( /7 *note1: specified for a version *note2: specified for b version *note3: we compensate for this characteristic related to temperature by laser-trim, however, this specification is guaranteed by design, not production tested. r5426xxxxx 7 operation ? vd1 / over-charge detector 348& 3 #!.# !"* 2 ,3 #! ! # 3 &# . #% #%!3 +348 !! # ! # <-:% . "!0$0# # 348&2! # # 010! ! !+% & .3 #! . # ## . ! #! !2 # ! 3 ! ! &"* 2.3 #!# . - ! # +348 " -%% #! " &010+ &2 # <-: % + ! * # #"# . + ! + %#* #!" &# . %!+ ! % " "* 2+ ! "# ! * f% ! . # + ! % % . +"* ! &# +3 #!" &g%# & ! % # + - ! ! / ! !.3 #! !3 + !*&# "* 2 &2# %## ."# %! # ! #: # #. %# "010.3 # # . # #"# .3 "* % % .! # % # %% #*& ! # & ! .3 # #" &!# #3 3 #!. %# "" 2 # ## .3 .& %% #*&+348. %# %%!# %! ! #: 7 + ! !+.#3 # . ! + !& # +. #! . %% #*& # & !+ ! # /# # "% &20$0# # 3 #! 010# # 3 #!. <-"% ? vd2 / over-discharge detector 34 & ! 3 #! ,3 #! ! # 3 &! #% #%# .3 +34 !! # ! # <-:% .4 "!0$0# # 34.4 # #"!010! ! !+ * ! "* 2 ,3 #!*% ! # 3 + ! % # . %! # ! #<-:+ 3 #! &% #%#!3 ++4 " &010 !! . %# ""# %!- <-: ! # ! ! "* 2&24 # #"!010 %#*.3 #! !3 , ## #!g%# h + &2 / d #! !g%# & 3 !&&%& #!'3)+ " &010 *&## ."# ! r5426xxxxx 8 7 3 d . 3 #! g%# # . ! " * &&%& #! '3 !)+ ! "* 2+ 2 0$0 ! % # . / %% #*& ! ##* ,3 # # . # .# # 3 3 #!. %# "" 2 # #!3 .& %% #* &+34. %# %%!# %! ! #: -%% #*& # & !# * ##*8 & / ! !"*34+%#* %. %# " % &&%& 8;/3 > 3 " "*"*#!## % %& % # &&h %%* 4 <- !010# # 3 0$0# # 3 ? vd3 /excess discharge-current detector, short circuit protector 7 % % . 2 . " # : 0-0 ,3 #!% #%". #!3 3 ! % # 3 '* ##*3 8 83)+345 % ! 3 #!!3 &2 % "# # # ! # <-:% . 4 "!0$0# # / %% #*& ! % ##* / g% 2 * 3 # # & #% ". 3 3 . #* & 2 ! # : *! 010 -%% #* & # & ! % # * ##*8 & , % "# +4 . %# "0$0 #*&. %# "* ##*; 3 "%# %## . +* ##*52 ? ?? ? ?? ? vd4/ excess charge-current detector ,"* 2 !"# !# "#+343 #! : &#+ "* 2 ! "* !+ % # .+ #! 3 " &g%# # ! % # + %% " &0$0+ & # .! % %"*%! # <-: -%% #* ! %##* #!# # 3 " &g%# # . ! % # + #!!34 # . #*&+ ! % 34 "# "* ! ! !# r5426xxxxx 9 ? ds (delay shorten) function -%% #* & !+ !+ ! %+ ! %+ # & !& " ! #%"* !3 #! 4 7* ! & # ! #! 4 + -%% 4#* % " "# + % +. ! ! % + %%# # " 2 . % #* 8 5< ? r5426xxxxx 10 timing chart 1. over-charge, excess charge current operation connect charger connect charger connect load excess charge current connect load disconnect charger +connect load charge/ discharge current charge current discharge current c out v dd v - v ss v dd v dd v det1 v det3 v - v det4 0 t t t t tv rel1 tv rel4 tv det4 tv det1 tv det1 tv rel1 r5426xxxxx 11 2. over discharge, excess discharge current, short circuit operation connect charger connect charger connect load connect load excess discharge current short open open charge/ discharge current charge current discharge current 0 d out v dd v - v ss v ss v dd v dd v det2 v det3 vshort v det4 t t t t tv rel2 tv rel2 tv rel3 tv det2 tv det2 tv det3 tv rel3 t short r5426xxxxx 12 typical application ds v dd r5426 d out c out v ss v- ? + 0.1 f c1 r1 330 ? r2 1k ? ???? ? ? ?? ??? ????? ????? ? ?? ??? ? r5426xxxxx 13 test circuits v dd v ss v- d out c out oscilloscope v v v dd v ss v- c out v ab v dd v ss v- c out v dd v ss v- d out v cd v dd v ss v- d out v dd v ss v- d out v a ef v dd v ss v- c out v v dd v ss v- d out a v ds gh v dd v ss v- v a c out v dd v ss v- c out a v ij r5426xxxxx 14 v dd v ss v- d out v a v dd v ss v- d out a v kl v dd v ss v- a m * # . " .%! " %d %/d * # 8)) %7d * # 5)) % d * # ) %4d * # )i) %d * # =) %:d * # 9)8)88)8)85)8) %ed * # 8)8)8i) %1d * # 8=)89)) % d * # 8) %jd * # ) %kd * # 5) %$d * # ) % r5426xxxxx 16 7) output delay of over-discharge vs. temperature 8) output delay of release from over-discharge vs. temperature r5426x102ca r5426x102ca temperature topt( c) output delay over-discharge tv det2 (ms) 35 10 15 25 0 5 20 30 -60 100 0 20 -40 -20 40 60 80 temperature topt( c) output delay of release from over-discharge tv ret2 (ms) 1.8 0.2 0.6 0.8 1 1.2 0 -60 100 20 0 -40 -20 40 60 80 1.4 0.4 1.6 9) excess discharge-current threshold vs. 10) output delay of excess discharge-current vs. temperature temperature r5426x102ca r5426x102ca temperature topt( c) excess discharge-current threshold v det3 (v) 0.210 0.200 0.190 -60 100 20 0 -40 -20 40 60 80 0.205 0.195 temperature topt( c) output delay of excess discharge-current tv det3 (ms) 18 2 6 8 10 12 0 -60 100 20 0 -40 -20 40 60 80 14 4 16 11) output delay of release from excess dicharge- 12) short protection voltage vs. temperature current vs. temperature r5426x102ca r5426x102ca temperature topt( c) output delay of release from excess discharge-current tv det3 (ms) 1.8 0.2 0.6 0.8 1.0 1.2 0 -60 100 20 0 -40 -20 40 60 80 1.4 0.4 1.6 temperature topt( c) short protection voltage vshort(v) 2.20 1.95 2.00 2.10 1.80 1.90 1.85 2.05 2.15 v dd =3.0v -60 100 0 20 -40 -20 40 60 80 r5426xxxxx 17 13) output delay of short protection vs. temperature 14) reset resistance for excess discharge current protection vs. temperature r5426x102ca r5426x102ca temperature topt( c) output delay of short protection tshort( s) 700 200 300 500 0 100 400 600 -60 100 0 20 -40 -20 40 60 80 temperature topt( c) reset resistance for excess discharge-current protection rshort( ? ) 50 20 30 0 -60 100 20 0 -40 -20 40 60 80 40 10 v dd =3.6v 15) excess charge-current threshold vs. 16) output delay of excess charge-current vs. temperature temperature r5426x102ca r5426x102ca temperature topt( c) excess charge-current threshold v det4 (v) -60 100 020 -40 -20 40 60 80 -0.110 -0.095 -0.100 -0.105 -0.090 -60 100 0 20 -40 -20 40 60 80 temperature topt( c) output delay of excess charge-current tv det4 (ms) 30 10 15 0 -60 100 20 0 -40 -20 40 60 80 20 5 25 17) output delay of release from excess 18) ds pin ? h ? input minimum charge-current vs. temperature voltage vs. temperature r5426x102ca r5426x102ca temperature topt( c) output delay of release from excess charge-current tv det4 (ms) 1.8 0.2 0.6 0.8 1.0 1.2 0 -60 100 20 0 -40 -20 40 60 80 1.4 0.4 1.6 temperature topt( c) ds pin "h" input minimum voltage v ih (v) 3.0 0.5 1.0 2.0 0 1.5 2.5 v dd =3v -60 100 0 20 -40 -20 40 60 80 r5426xxxxx 18 19) ds pin ? m ? input minimum voltage vs. 20) ds pin pull-down resistance vs. temperature temperature r5426x102ca r5426x102ca temperature topt( c) ds pin "m" input minimum voltage v im (v) 3.0 0.5 1.0 2.0 0 1.5 2.5 v dd =3.6v to 4.4v -60 100 0 20 -40 -20 40 60 80 temperature topt( c) ds pin pull-down resistance rds(m ? ) 2.5 1.0 1.5 2.0 0 0.5 v dd =3.6v -60 100 0 20 -40 -20 40 60 80 21) nch on voltage of c out vs. temperature 22) pch on voltage of c out vs. temperature r5426x102ca r5426x102ca temperature topt( c) nch on voltage of c out v ol1 (v) 0.5 0.2 0.3 0.4 0 0.1 i ol =50 a, v dd =4.5v -60 100 0 20 -40 -20 40 60 80 temperature topt( c) pch on voltage of c out v ol1 (v) 3.9 3.6 3.7 3.5 -60 100 20 0 -40 -20 40 60 80 3.8 i oh =-50 a, v dd =3.9v 23) nch on voltage of d out vs. temperature 24) pch on voltage of d out vs. temperature r5426x102ca r5426x102ca temperature topt( c) nch on voltage of d out v ol2 (v) 0.4 0.1 0.2 0.3 0 i ol =50 a, v dd =2.0v -60 100 0 20 -40 -20 40 60 80 temperature topt( c) pch on voltage of d out v oh2 (v) 3.9 3.6 3.7 3.8 3.5 i oh =-50 a, v dd =3.9v -60 100 0 20 -40 -20 40 60 80 r5426xxxxx 19 25) supply current vs. temperature 26) standby current vs. temperature r5426x102ca r5426x102ca temperature topt( c) supply current i dd ( a) 6 1 2 4 0 3 5 v dd =3.9v, v-=0v -60 100 0 20 -40 -20 40 60 80 temperature topt( c) standby current i s ( a) 0.10 0.04 0.06 0.08 0 0.02 v dd =2.0v -60 100 0 20 -40 -20 40 60 80 r5426xxxxx 20 part 2 delay time dependence on v dd 1) delay time for over-charge detect vs. v dd 2) delay time for release from over-charge vs. v dd r5426x113ca r5426x113ca 1.2 0.4 0.6 0.8 0 v dd (v) 4.0 6.0 4.5 5.0 5.5 0.2 1 output delay of over-charge tv det1 (s) v-=0v, v dd =3.6v to 4.4v, 5.0v, 5.6v 18 2 6 8 10 12 0 v dd (v) output delay of release from over-charge tv rel1 (ms) 3.0 4.5 3.5 4.0 14 4 16 v dd =3.2v, 3.7v, 4.2v, v-=0v to 1v 3) output delay of over-discharge detect vs. v dd 4) output delay for release from over-discharge vs. v dd r5426x113ca r5426x113ca 22 2 6 12 14 0 v dd (v) output delay of over-discharge tv det2 (ms) 1.0 2.5 1.5 2.0 18 8 4 10 16 20 v-=0v, v dd =3.6v to 2.2v, 2.0v, 1.5v 1.4 0.4 0.6 1 0 v dd (v) output delay of release form over-discharge tv rel2 (ms) 2.0 4.5 2.5 3.0 3.5 4.0 0.2 0.8 1.2 v-=0v, v dd =2.2v to 2.4v, 3.3v, 4.2v 5) output delay for excess current during 6) output delay for release from excess discharge discharge vs. v dd current detect vs. v dd r5426x113ca r5426x113ca 14 4 6 10 0 v dd (v) output delay of excess discharge-current tv det3 (ms) 2.0 4.5 2.5 3.0 3.5 4.0 2 8 12 v dd =2.4v, 3.3v, 4.2v, v-=0v to 1v 1.4 0.4 0.6 1 0 v dd (v) output delay of release from excess discharge-current tv rel3 (ms) 2.0 4.5 2.5 3.0 3.5 4.0 0.2 0.8 1.2 v dd =2.4v, 3.3v, 4.2v, v-=2.4v, 3.3v, 4.2v to 0v r5426xxxxx 21 7) delay time for excess charge current detect 8) delay time for release from excess charge vs. v dd current detect vs. v dd r5426x103ca r5426x103ca 18 2 6 8 10 12 0 2.0 4.5 2.5 3.0 3.5 4.0 14 4 16 v dd (v) output delay of excess charge-current tv det4 (ms) v dd =2.4v, 3.3v, 4.2v, v-=0v to -1v 1.4 0.4 0.6 1 0 2.0 4.5 3.0 2.5 4.0 3.5 0.2 0.8 1.2 v dd (v) output delay of release from excess charge-current tv rel4 (ms) v dd =2.4v, 3.3v, 4.2v, v-=-1v to 0v 9) output delay for short vs. v dd r5426x103ca 700 200 300 500 0 2 4.5 3 2.5 4 3.5 100 400 600 v dd (v) output delay of short protection tshort( s) v dd =2.4v, 3.3v, 4.2v, v-=0v to 2.4v, 3.3v, 4.2v r5426xxxxx 22 part 3 supply current dependence on v dd test circuit ds v dd d out c out v ss v- r5426n113ca ? + 0.1 f c1 r1 330 ? r2 1k ? a si9926 supply current vs. v dd v dd (v) 0 0 1 2 3 45 5 4 1 2 3 supply current i dd ( a) r5426xxxxx 23 part 4 over-charge detector, release voltage from over-charge, over-discharge detector, release voltage from over-discharge dependence on external resistance value test circuit ds v dd d out c out v ss v- r5426n113ca ? + 0.1 f c1 r1 r2 1k ? si9926 over-discharge detector threshold / released voltage from over-discharge vs. r1 r1( ? ) 2.316 0 100 200 300 400 500 600 700 800 900 1000 2.327 2.326 2.325 2.324 2.323 2.322 2.321 2.32 2.319 2.318 2.317 over-discharge threshold & release threshold from over-discharge(v) over-discharge threshold release threshold from over-discharge over-charge / released from over-charge threshold vs. r1 r1( ? ) 4.288 0 100 200 300 400 500 600 700 800 900 1000 4.294 4.293 4.292 4.291 4.29 4.289 over-charge threshold & release threshold from over-charge(v) over-charge threshold release threshold from over-charge r5426xxxxx 24 part 5 charger voltage at released from over-discharge with a charger dependence on r2 test circuit ds v dd d out c out v ss v- 0.1 f c1 r1 r2 si9926 330 ? 4.25v r5426n113ca charger voltage at release from over-discharge with a charger vs. r2 r2(k ? ) v dd =4.25v 050 100 150 200 250 300 2.5 2 1.5 1 0.5 0 charger voltage of release from over-discharge(v) |
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