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2010.04 ver. 1.0 copyright grenergy opto, inc. www. grenergy-ic.com 1 gr5302 features charges 1 to 4 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 nimh battery charger for aaa/aa cells description the gr5302 is ideal for standalone charging of 4-loop nimh packs (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 gr5302 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 gr5302 series support four loops charging topology, with four independent monitoring and controls. ordering and marking information sop-14/16/18 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 4-loop nimh battery charger
2010.04 ver. 1.0 copyright grenergy opto, inc. www. grenergy-ic.com 2 gr5302 feature list fixed timing adjusted timing single led single cell gr5302aa (sop-16) gr5302at (sop-18) GR5302AS (sop-1 4) dual cell gr5302da (sop-16) gr5302dt (sop-18) gr5302ds (sop-1 4) pin configuration gr5302 as/ds sop-14(top view) pin description pin no. symbol description 1 bat2 slot 2, battery voltage input 2 bat4 slot 4, battery voltage input 3 ctrl1 slot 1, charge switch control 4 ctrl2 slot 2, charge switch control 5 ctrl3 slot 3, charge switch control 6 ctrl4 slot 4, charge switch control 7, 12 vss negative power supply 8 t ck tck for test mode and time selection 9 nc not connect 10 led1 slot 1 charge/ full status led indicator 11 vcc positive power supply 13 bat3 slot 3, battery voltage input 14 bat1 slot 1, battery voltage input
2010.04 ver. 1.0 copyright grenergy opto, inc. www. grenergy-ic.com 3 gr5302 pin configuration gr5302 aa/da sop-16 (top view) pin description pin no. symbol description 1 bat2 slot 2, battery voltage input 2 bat4 slot 4, battery voltage input 3 ctrl1 slot 1, charge switch control 4 ctrl2 slot 2, charge switch control 5 ctrl3 slot 3, charge switch control 6 ctrl4 slot 4, charge switch control 7, 14 vss negative power supply 8 t ck tck for test mode and time selection 9 led4 slot 4 charge/ full status led indicator 10 led3 slot 3 charge/ full status led indicator 11 led2 slot 2 charge/ full status led indicator 12 led1 slot 1 charge/ full status led indicator 13 vcc positive power supply 15 bat3 slot 3, battery voltage input 16 bat1 slot 1, battery voltage input
2010.04 ver. 1.0 copyright grenergy opto, inc. www. grenergy-ic.com 4 gr5302 pin configuration gr5302 at/dt sop-18 (top view) 12 3 4 5 6 7 8 9 bat1 bat4 18 17 16 15 14 13 12 11 10 bat2 ctrl1 ctrl2 ctrl3 ctrl4 vss tck nc bat3 rt vss vcc led1 led2 led3 led4 pin description pin no. symbol description 1 bat1 slot 1, battery voltage input 2 bat2 slot 2, battery voltage input 3 bat4 slot 4, battery voltage input 4 ctrl1 slot 1, charge switch control 5 ctrl2 slot 2, charge switch control 6 ctrl3 slot 3, charge switch control 7 ctrl4 slot 4, charge switch control 8, 15 vss negative power supply 9 tck tck for test mode and time selection 10 led4 slot 4 charge/ full status led indicator 11 led3 slot 3 charge/ full status led indicator 12 led2 slot 2 charge/ full status led indicator 13 led1 slot 1 charge/ full status led indicator 14 vcc positive power supply 16 bat3 slot 3, battery voltage input 17 rt timing resistor 18 nc not connect
2010.04 ver. 1.0 copyright grenergy opto, inc. www. grenergy-ic.com 5 gr5302 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 ~ 85 o c storage temperature range ------------------------ --------------------------------------------------- ----------- -40 ~ 125 o c block diagram
2010.04 ver. 1.0 copyright grenergy opto, inc. www. grenergy-ic.com 6 gr5302 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 gr5302aa v bat 0.5 2 v gr5302at v bat 0.5 2 v GR5302AS v bat 0.5 2 v gr5302da v bat 1 4 v gr5302dt v bat 1 4 v battery voltage input gr5302ds 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 gr5302aa vprimary 1.575 1.6 1.625 v gr5302at vprimary 1.575 1.6 1.625 v GR5302AS vprimary 1.575 1.6 1.625 v gr5302da vprimary 3.15 3.2 3.25 v gr5302dt vprimary 3.15 3.2 3.25 v primary battery voltage gr5302ds vprimary 3.15 3.2 3.25 v gr5302aa vneck 1.395 1.42 1.445 v gr5302at vneck 1.395 1.42 1.445 v GR5302AS vneck 1.395 1.42 1.445 v gr5302da vneck 2.79 2.84 2.89 v gr5302dt vneck 2.79 2.84 2.89 v battery neck voltage gr5302ds vneck 2.79 2.84 2.89 v safe timer gr5302aa, GR5302AS, gr5302da, gr5302ds safe charge timer tck = hi timer 11.5 12 12.5 hour safe charge timer tck = lo timer 5.5 6 6.5 hour gr5302at, gr5302dt (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 gr5302at, gr5302dt could be an y value between min and max by changing rt value.
2010.04 ver. 1.0 copyright grenergy opto, inc. www. grenergy-ic.com 7 gr5302 typical application circuit gr5302aa/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 r7 r9 tck=vcc , chargeing time=12hours tck=vss , chargeing time=6hours l1 l2 r14 r12 1 2 red red green green c4 c5 r13 r18 +5v +5v r16 aa/aaa batt4 q4 +5v d4 r11 aa/aaa batt3 q3 +5v d3 r17 r19 ctrl1 3 bat1 16 ctrl2 4 bat2 1 ctrl3 5 bat3 15 ctrl4 6 bat4 2 vcc 13 led1 12 led2 11 led3 10 led4 9 tck 8 vss 14 vss 7 gr5302aa/da u1
2010.04 ver. 1.0 copyright grenergy opto, inc. www. grenergy-ic.com 8 gr5302 typical application circuit gr5302at/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 l1 l2 r14 r12 1 2 red red green green c4 c5 r13 r18 +5v +5v r16 aa/aaa batt4 q4 +5v d4 r11 aa/aaa batt3 q3 +5v d3 r17 r19 ctrl1 4 bat1 1 ctrl2 5 bat2 2 ctrl3 6 bat3 16 ctrl4 7 bat4 3 vcc 14 led1 13 led2 12 led3 11 led4 10 tck 9 vss 15 vss 8 rt 17 gr5302at/dt u1 rt
2010.04 ver. 1.0 copyright grenergy opto, inc. www. grenergy-ic.com 9 gr5302 typical application circuit GR5302AS/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 c4 c5 r13 r18 r16 aa/aaa batt4 q4 +5v d4 r11 aa/aaa batt3 q3 +5v d3 ctrl1 3 bat1 14 ctrl2 4 bat2 1 ctrl3 5 bat3 13 ctrl4 6 bat4 2 vcc 11 led1 10 tck 8 vss 12 vss 7 GR5302AS/ds u1
2010.04 ver. 1.0 copyright grenergy opto, inc. www. grenergy-ic.com 10 gr5302 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 11 gr5302 package information sop-16 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 9.80 10.00 0.386 0.394 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 ac. 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 12 gr5302 package information sop-18 millimeters inches symbol min. max. min. max. a 2.65 0.104 a1 0.10 0.30 0.004 0.012 a2 2.05 0.081 b 0.31 0.51 0.012 0.020 c 0.20 0.33 0.008 0.013 d 11.35 11.75 0.447 0.463 e 10.10 10.50 0.398 0.413 e1 7.40 7.60 0.291 0.299 e 1.27 bsc 0.050 bsc h 0.25 0.75 0.010 0.030 l 0.40 1.27 0.016 0.050 0 o 8 o 0 o 8 o note: 1. followed from jedec ms-013 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 13 gr5302 carrier tape & reel dimensions (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 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+0.1 -0.0 1.5 min. 0.30.05 6.50.1 9.50.1 2.10.1 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-16 4.00.1 8.00.1 2.00.1 1.5+0.1 -0.0 1.5 min. 0.30.05 6.50.1 10.30.1 2.10.1 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-18 4.00.1 8.00.1 2.00.1 1.5+0.1 -0.0 1.5 min. 0.30.05 6.50.1 9.50.1 2.10.1 application devices per reel sop-14 2500 sop-16 2500 sop-18 1000

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