2010.04 ver. 1.0 copyright grenergy opto, inc. www. grenergy-ic.com 1 gr5301 features charges 1 to 2 nimh packs detects and avoids charging alkaline cells monitors voltage, temperature and time for safety and secondary termination drivers pnp type pass element pre-charge qualification for detecting shorted, damaged, or deeply depleted cells automatic recharge keeps batteries charged optional temperature qualified charging applications portable computer, cellular phone and pda charging docks and cradles portable consumer electronics desktop/standalone charger (aaa/aa) digital still camera music players (mp3) game toy emergency light description the gr5301 is ideal for standalone charging of 1 or 2 or 4 of aa or aaa nimh ?loose? cells. nicd cells can also be charged. temperature, voltage and charge time are monitored to provide proper fast/slow charging control algorithms for nickel metal hydride (nimh) batteries. the gr5301 detects the battery chemistry and proceeds with the optimal charging and termination algorithms. this process eliminates undesirable undercharged or overcharged conditions and allows accurate and safe termination of fast/slow charge. battery tests are included to detect defective or inappropriate cells such as alkaline primary batteries. the gr5301 supports two loops charging topology, with independent monitoring and control of each loop. ordering and marking information sop-14 code 1 8 9 a b g h i j year 2008 2009 2010 2011 2016 2017 2018 2019 code 2 1 2 3 4 9 a b c month jan. feb. mar. apr. sep. oct. nov. dec. grenergy opto inc. reserves the right to make chang es to improve reliability or manufacture ability wi thout notice, and advise customers to obtain the latest v ersion of relevant information to verify before pla cing orders. monitor and timing management for 2-parallel nimh battery charger
2010.04 ver. 1.0 copyright grenergy opto, inc. www. grenergy-ic.com 2 gr5301 feature list fixed timing adjusted timing single led single cell gr5301aa gr5301at gr5301as dual cell gr5301da GR5301DT gr5301ds pin configuration gr5301 aa/da top view pin description pin no. symbol description 1 th2 thermistor input for slot 2 2 bat2 slot 2, battery voltage input 3 ctrl1 slot 1, charge switch control 4 ctrl2 slot 2, charge switch control 5, 6 nc not connect 7, 12 vss negative power supply 8 tck tck for test mode and time selection 9 led2 slot 2 charge/ full status led indicator 10 led1 slot 1 charge/ full status led indicator 11 vcc positive power supply 13 th1 thermistor input for slot 1 14 bat1 slot 1, battery voltage input
2010.04 ver. 1.0 copyright grenergy opto, inc. www. grenergy-ic.com 3 gr5301 pin configuration gr5301 at/dt top view pin description pin no. symbol description 1 bat1 slot 1, battery voltage input 2 th2 thermistor input for slot 2 3 bat2 slot 2, battery voltage input 4 ctrl1 slot 1, charge switch control 5 ctrl2 slot 2, charge switch control 6, 12 vss negative power supply 7 tck tck for test mode and time selection 8 nc not connect 9 led2 slot 2 charge/ full status led indicator 10 led1 slot 1 charge/ full status led indicator 11 vcc positive power supply 13 rt timing resistor 14 th1 thermistor input for slot 1
2010.04 ver. 1.0 copyright grenergy opto, inc. www. grenergy-ic.com 4 gr5301 pin configuration gr5301 as/ds top view 12 3 4 5 6 7 th2 ctrl1 bat1 th1 vss vcc 14 13 12 11 10 98 bat2 ctrl2 nc nc vss tck nc led1 pin description pin no. symbol description 1 th2 thermistor input for slot 2 2 bat2 slot 2, battery voltage input 3 ctrl1 slot 1, charge switch control 4 ctrl2 slot 2, charge switch control 5, 6, 9 nc not connect 7, 12 vss negative power supply 8 tck tck for test mode and time selection 10 led1 slot 1 charge/ full status led indicator 11 vcc positive power supply 13 th1 thermistor input for slot 1 14 bat1 slot 1, battery voltage input
2010.04 ver. 1.0 copyright grenergy opto, inc. www. grenergy-ic.com 5 gr5301 absolute maximum ratings input voltage between vcc and vss ------------------------------------------ ------------------ vss -0.3 ~ vss +5.5v battery voltage input ---------------------------- --------------------------------------------------- ------ vss -0.3 ~ vss +5v led sink current --------------------------------- --------------------------------------------------- -------------------------- 4ma led driver current ------------------------------- --------------------------------------------------- -------------------------- 4ma operating temperature range ---------------------- --------------------------------------------------- ------------- 0 to +85 o c storage temperature range ------------------------ --------------------------------------------------- -------- -40 to +125 o c block diagram power on reset osc control logic primary battery voltage battery neck voltage battery short voltage th x vss vcc bat x led x ctrl x
2010.04 ver. 1.0 copyright grenergy opto, inc. www. grenergy-ic.com 6 gr5301 electrical characteristics (t a = 25 ) parameter conditions symbol min typ max unit power supply operating voltage v cc 4.5 5.0 5.5 v supply current v cc = 5v i cc 0.4 0.5 0.6 ma gr5301aa v bat 0.5 2 v gr5301at v bat 0.5 2 v gr5301as v bat 0.5 2 v gr5301da v bat 1 4 v GR5301DT v bat 1 4 v battery voltage input gr5301ds v bat 1 4 v led sink current v cc = 5v i led-sink 2.5 3 3.5 ma led driver current v cc = 5v i led-driver 2.5 3 3.5 ma thermistor input v th 1.07 1.12 1.17 v protection voltage battery short voltage vshort 0.45 0.5 0.55 v gr5301aa vprimary 1.575 1.6 1.625 v gr5301at vprimary 1.575 1.6 1.625 v gr5301as vprimary 1.575 1.6 1.625 v gr5301da vprimary 3.15 3.2 3.25 v GR5301DT vprimary 3.15 3.2 3.25 v primary battery voltage gr5301ds vprimary 3.15 3.2 3.25 v gr5301aa vneck 1.395 1.42 1.445 v gr5301at vneck 1.395 1.42 1.445 v gr5301as vneck 1.395 1.42 1.445 v gr5301da vneck 2.79 2.84 2.89 v GR5301DT vneck 2.79 2.84 2.89 v battery neck voltage gr5301ds vneck 2.79 2.84 2.89 v safe timer gr5301aa, gr5301as, gr5301da, gr5301ds safe charge timer tck = hi timer 11.5 12 12.5 hour safe charge timer tck = lo timer 5.5 6 6.5 hour gr5301at, GR5301DT (note 1) safe charge timer tck = hi timer 2 (rt=200k + ) 12 (rt=450k + ) 18 (rt=700k + ) hour safe charge timer tck = lo timer 1 (rt=200k + ) 6 (rt=450k + ) 9 (rt=700k + ) hour note 1. the timer of gr5301at and GR5301DT could be any value between min and max by changing rt value.
2010.04 ver. 1.0 copyright grenergy opto, inc. www. grenergy-ic.com 7 gr5301 typical application circuit gr5301aa/da l1 l2 r4 c1 r2 +5v 1 2 red red green green c2 c3 r3 r8 +5v +5v r6 aa/aaa batt2 q2 +5v d2 r1 aa/aaa batt1 q1 +5v d1 ctrl1 3 bat1 14 th1 13 ctrl2 4 bat2 2 th2 1 vcc 11 led1 10 led2 9 tck 8 vss 12 vss 7 gr5301aa/da u1 r7 r9 tck=vcc , chargeing time=12hours tck=vss , chargeing time=6hours ntc t1 ntc t2 r5 r10 gr5301at/dt l1 l2 r4 c1 r2 +5v 1 2 red red green green c2 c3 r3 r8 +5v +5v r6 aa/aaa batt2 q2 +5v d2 r1 aa/aaa batt1 q1 +5v d1 r7 r9 ntc t1 ntc t2 r5 r10 ctrl1 4 bat1 1 th1 14 ctrl2 5 bat2 3 th2 2 vcc 11 led1 10 led2 9 tck 7 vss 12 vss 6 rt 13 gr5301at/dt u1 rt
2010.04 ver. 1.0 copyright grenergy opto, inc. www. grenergy-ic.com 8 gr5301 typical application circuit gr5301as/ds l1 r4 c1 +5v red c2 c3 r3 r8 r6 aa/aaa batt2 q2 +5v d2 r1 aa/aaa batt1 q1 +5v d1 tck=vcc , chargeing time=12hours tck=vss , chargeing time=6hours ntc t1 ntc t2 r5 r10 ctrl1 3 bat1 14 th1 13 ctrl2 4 bat2 2 th2 1 vcc 11 led1 10 tck 8 vss 12 vss 7 gr5301as/ds u1
2010.04 ver. 1.0 copyright grenergy opto, inc. www. grenergy-ic.com 9 gr5301 package information sop-14 millimeters inches symbol min. max. min. max. a 1.75 0.069 a1 0.10 0.25 0.004 0.010 a2 1.25 0.049 b 0.31 0.51 0.012 0.020 c 0.17 0.25 0.007 0.010 d 8.55 8.75 0.337 0.344 e 5.80 6.20 0.228 0.244 e1 3.80 4.00 0.150 0.157 e 1.27 bsc 0.050 bsc h 0.25 0.50 0.010 0.020 l 0.40 1.27 0.016 0.050 0 o 8 o 0 o 8 o note: 1. followed from jedec ms-012 ab. 2. dimension ?d? does not include mold flash, protrusions or gate burrs. mold flash, protrusion o r gate burrs shall not exceed 6 mil per side. 3. dimension ?e1? does not include inter-lead flash or protrusions. inter-lead flash and protrusi ons shall not exceed 10 mil per side.
2010.04 ver. 1.0 copyright grenergy opto, inc. www. grenergy-ic.com 10 gr5301 carrier tape & reel dimensions sop-14 application a h t1 c d d w e1 f 330.02.0 100 ref 1.4 13.0 + 0.5 - 0.2 2.00.5 16.5 ref 16.00.2 1.750.1 7.50.1 p0 p1 p2 d0 d1 t a0 b0 k0 sop-14 4.00.1 8.00.1 2.00.1 1.5+0.10 -0.00 1.5 min. 0.30.05 6.50.1 9.50.1 2.10.1 (mm) ___________________________________________________ _____________________ grenergy opto, inc. reserves the right to make corr ections, modifications, enhancements, improvements, and other changes to its products and services at any time and to dis continue any product or service without notice. cus tomers should obtain the latest relevant information before placing orders a nd should verify that such information is current a nd complete. application devices per reel sop-14 2500
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