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at5557 preliminary product information serial input 6ch motor driver for dsc 7f, no.9, park avenue ii, science-based indu strial park, hsinch u 300,taiwan, r.o.c. tel: 886-3-563-0878 fax: 886-3-563-0879 www: http://www.aimtron.com.tw 2/15/2006 rev:1.0 email: service@aimtron.com.tw 1 features ? built in 5 full-swing/constant voltage drivers switched by serial control, three of those drivers being with brake function. ? built in 1 constant current driver for shutter. ? low on-resistance(1.2 ? , sum of on-resistance of upside and bottom side) ? build-in thermal shutdown (tsd, 15
) ? ch1~ch4 corresponds to control of 2-2 phase or 1-2 phase. ? all power supply systems(vcc, vm 4) can be set up with an independent power supply. ? power save mode corresponds by serial control setup and exterior pin control. ? all initial serial control setting is set to ?0?, so ic can work if power save pin pulls high. ? the reference voltage, vref, to be divided for exterior vc setup. ? vc can be setup in dac from built-in voltage 1v. ? pi (photo interrapter drive) 2ch built-in. on resistance change is possible. ? small 40qfn (6 6mm) is adopted. applications ? stepping motor driver/ dc motor driver motor driver for dsc general description at5557 is a 6-channel h-bridge motor drivers ic for the digital camera and so on. it has five full-swing/constant voltage drivers and one constant current driver. at5557 can be operated in serial control mode or full exterior control mode. when operating in full exterior control mode, the mode of each ch is fixed by initial serial control setting. when operating in serial control mode, the mode of each driver can be setting by serial control. block diagram aimtron reserves the right without notice to change this circuitry and specifications.
at5557 preliminary product information serial input 6ch motor driver for dsc 7f, no.9, park avenue ii, science-based indu strial park, hsinch u 300,taiwan, r.o.c. tel: 886-3-563-0878 fax: 886-3-563-0879 www: http://www.aimtron.com.tw 2/15/2006 rev:1.0 email: service@aimtron.com.tw 2 pin configurations ordering information part number package marking at5557n _gre qfn-40, green ???? ???? : date code * for more marking information, contact out sales representative directly
at5557 preliminary product information serial input 6ch motor driver for dsc 7f, no.9, park avenue ii, science-based indu strial park, hsinch u 300,taiwan, r.o.c. tel: 886-3-563-0878 fax: 886-3-563-0879 www: http://www.aimtron.com.tw 2/15/2006 rev:1.0 email: service@aimtron.com.tw 3 pin description pin no. symbol i/o description 1 out1a o h-bridge output terminal 1a of the constant voltage driver1 2 out1b o h-bridge output terminal 1b of the constant voltage driver1 3 out2a o h-bridge output terminal 2a of the constant voltage driver2 4 out2b o h-bridge output terminal 2b of the constant voltage driver2 5 pgnd1 g gnd of power vm1 6 pgnd2 g gnd of power vm2 7 out3a o h-bridge output terminal 3a of the constant current driver3 8 out3b o h-bridge output terminal 3b of the constant current driver3 9 out4a o h-bridge output terminal 4a of the constant current driver4 10 out4b o h-bridge output terminal 4b of the constant current driver4 11 vm2 p power supply for ch3, 4 motors 12 pi2 o pi2 driver output 13 in34a i ch3, 4 stm control 14 in34b i ch3, 4 stm control 15 in34c i ch3, 4 stm control 16 sdat i serial control signal 17 sld i serial control signal 18 in5a i ch5 dcm control 19 in5b i ch5 dcm control 20 vm3 p power supply for ch5 motor 21 out5a o h-bridge output terminal 5a of the constant voltage driver5 22 out5b o h-bridge output terminal 5b of the constant voltage driver5 23 pgnd3 g gnd of power vm3 24 sclk i serial control signal 25 vcc p control power supply 26 ps i power save which can force all outputs to become open state 27 agnd g gnd 28 rnf g current detection terminal for the constant current driver6 29 out6a o h-bridge output terminal 6a of the constant current driver6 30 out6b o h-bridge output terminal 6b of the constant current driver6 31 vm4 p power supply for ch6 motor 32 in6b i ch6 control 33 in6a i ch6 control 34 vref i reference voltage being divided for vc using 35 vc i vc 36 in12c i ch1, 2 stm control 37 in12b i ch1, 2 stm control 38 in12a i ch1, 2 stm control 39 pi1 o pi1 driver output 40 vm1 p power supply for ch1, 2 motors
at5557 preliminary product information serial input 6ch motor driver for dsc 7f, no.9, park avenue ii, science-based indu strial park, hsinch u 300,taiwan, r.o.c. tel: 886-3-563-0878 fax: 886-3-563-0879 www: http://www.aimtron.com.tw 2/15/2006 rev:1.0 email: service@aimtron.com.tw 4 absolute maximum ratings (ta=+25c) rated value parameter symbol min. max. unit supply voltage vcc vcc -0.5 +6.0 v supply voltage vm1, 2, 3, 4 vm1, 2, 3, 4 -0.5 +6.0 v control input voltage vin -0.5 vcc v power dissipation pd - 1100 mw instantaneous output current iout - 800 ma operating temperature topr -20 +85 ? c junction temperature tj - +150 ? c storage temperature range tstg -55 +150 ? c minimum esd rating (human body model) v esd - 2 kv 1. stresses beyond those listed under ?absolute maximu m ratings? may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability . 2. device are esd sensitive. handling precaution recommended. the human body model is a 100pf capacitor discharged through a 1.5k ? resistor into each pin. recommended operating conditions (ta=+25c) values parameter symbol min. typ. max. unit supply voltage vcc vcc +2.5 - +5.5 ? supply voltage vm1, 2, 3, 4 vm1, 2, 3, 4 +1.9 - +5.5 v control input voltage vin 0 - vcc v h-bridge output current iout -400 +400 ma logic input frequency fin 0 100 khz electrical characteristics (t a =+25
, vcc = 3.3v, vm=5.0, unless otherwise noted. ) values parameter symbol condition min. typ. max. unit circuit current vcc stand by current iccst reset - 1 5.0 a vm stand by current imst reset, (vm1+vm2+vm3+vm4) - 1 5.0 a icc - 0.6 2.0 ma circuit current ivm ps=h; all input, pi1, pi2 open - 0.6 2.0 ma power save h level input voltage vpsh 2.0 - - v l level input voltage vpsl - - 0.8 v h level input current ipsh - 5 20 a l level input current ipsl -1 0 - a pull-down resistance rin - 1.5 - m ? control input pin/serial input pin h level input voltage vinh 2.0 - - v
at5557 preliminary product information serial input 6ch motor driver for dsc 7f, no.9, park avenue ii, science-based indu strial park, hsinch u 300,taiwan, r.o.c. tel: 886-3-563-0878 fax: 886-3-563-0879 www: http://www.aimtron.com.tw 2/15/2006 rev:1.0 email: service@aimtron.com.tw 5 l level input voltage vinl - - 0.8 v h level input current inh - 5 20 a l level input current inl -1 0 - a pull-down resistance rin - 1.5 - m ? uvlo uvlo vuvlo 1.7 2.0 2.3 v power-on-reset voltage vreset 0.8 1.6 2.4 v vref vref output voltage vref iout=0 ~ 1ma 0.98 1.0 1.02 v ch1~ch5 divers output on resistance ron iout=+-200ma, sum of on-resistance - 1.25 1.8 ? output constant voltage 1 vout1 vc=1v (exterior vc setup), dac: 4v, no-load 3.79 4.00 4.21 v output constant voltage 2 vout2 vc=internal vc setup, dac: 4v, no-load 3.79 4.00 4.21 v ch6 constant current driver output on resistance ron iout=+-200ma, sum of on-resistance - 1.25 1.8 ? output limit voltage 1 vol1 dac=0.31v (exterior vc setup), rnf=1 ? , rm=5 ? 0.30 0.31 0.32 v output limit voltage 2 vol2 vc=internal vc setup, rnf=1 ? , rm=5 ? 0.30 0.31 0.32 v serial control sclk frequency fsclk - 4.0 5.0 mhz sld setup time tsets 200 - - ns sld hold time tholds 100 - - ns sld negate time tnegs 200 - - ns sdat setup time tsetd 60 - - ns pi driver on current 1 ipion1 it is referred as pi terminal voltage=2.2v after 200 ? setup 3.7 5.0 6.3 ma on current 2 ipion2 it is referred as pi terminal voltage=2.2v after 150 ? setup 5.8 7.5 9.2 ma on current 3 ipion3 it is referred as pi terminal voltage=2.2v after 100 ? setup 7.4 10.0 12.6 ma on voltage 4 vpion4 it is referred as iout=20ma after 20 ? setup - 0.4 0.5 v it is leak current when off ioff vcc ? piout -2.0 0 2.0 a tsd thermal shut down temperature ttsd tip temperature in case h-bridge output turns off - 150 - ? c note: temperature hysteresis 30 ? c
at5557 preliminary product information serial input 6ch motor driver for dsc 7f, no.9, park avenue ii, science-based indu strial park, hsinch u 300,taiwan, r.o.c. tel: 886-3-563-0878 fax: 886-3-563-0879 www: http://www.aimtron.com.tw 2/15/2006 rev:1.0 email: service@aimtron.com.tw 6 1. serial data input setting 2. serial port write timing
at5557 preliminary product information serial input 6ch motor driver for dsc 7f, no.9, park avenue ii, science-based indu strial park, hsinch u 300,taiwan, r.o.c. tel: 886-3-563-0878 fax: 886-3-563-0879 www: http://www.aimtron.com.tw 2/15/2006 rev:1.0 email: service@aimtron.com.tw 7 input-output logic table 1. full exterior mode (ps pin=h) ch1~ch4: stepping motor full-swing control 1-2 phase control mode truth value table in12a (in34a) in12b (in34b) in12c (in34c) out1a (out3a) out1b (out3b) out2a (out4a) out2b (out4b) ch1 (ch3) ch2 (ch4) h h l h l h l forward rotation forward rotation l h h z z h l off forward rotation l h l l h h l reverse rotation forward rotation l l h l h z z reverse rotation off l l l l h l h reverse rotation reverse rotation h l h z z l h off reverse rotation h l l h l l h forward rotation reverse rotation h h h h l z z forward rotation off 2-2 phase control mode truth value table in12a (in34a) in12b (in34b) in12c (in34c) out1a (out3a) out1b (out3b) out2a (out4a) out2b (out4b) ch1 (ch3) ch2 (ch4) h h l h l h l forward rotation forward rotation l h l l h h l reverse rotation forward rotation l l l l h l h reverse rotation reverse rotation h l l h l l h forward rotation reverse rotation ch5: dc motor full-swing control in5a in5b out5a out5b mode l l z z off h l h l forward rotation l h l h reverse rotation h h l l brake
at5557 preliminary product information serial input 6ch motor driver for dsc 7f, no.9, park avenue ii, science-based indu strial park, hsinch u 300,taiwan, r.o.c. tel: 886-3-563-0878 fax: 886-3-563-0879 www: http://www.aimtron.com.tw 2/15/2006 rev:1.0 email: service@aimtron.com.tw 8 ch6: constant-current control for shutter in6a in6b out6a out6b mode l l z z off h l h l forward rotation l h l h reverse rotation h h l l brake < notes > electric current in the outxa ? outxb direction is being ma de (+) = forward rotation. h: hi level; l: low level; z: hi impedance 2. serial control mode ch1~ch4: stepping motor full-swing & constant-voltage control 1-2 phase control mode truth value table in12a (in34a) in12b (in34b) in12c (in34c) out1a (out3a) out1b (out3b) out2a (out4a) out2b (out4b) ch1 (ch3) ch2 (ch4) h h l h l h l forward rotation forward rotation l h h z z h l off forward rotation l h l l h h l reverse rotation forward rotation l l h l h z z reverse rotation off l l l l h l h reverse rotation reverse rotation h l h z z l h off reverse rotation h l l h l l h forward rotation reverse rotation h h h h l z z forward rotation off 2-2 phase control mode truth value table in12a (in34a) in12b (in34b) in12c (in34c) out1a (out3a) out1b (out3b) out2a (out4a) out2b (out4b) ch1 (ch3) ch2 (ch4) h h l h l h l forward rotation forward rotation l h l l h h l reverse rotation forward rotation l l l l h l h reverse rotation reverse rotation h l l h l l h forward rotation reverse rotation
at5557 preliminary product information serial input 6ch motor driver for dsc 7f, no.9, park avenue ii, science-based indu strial park, hsinch u 300,taiwan, r.o.c. tel: 886-3-563-0878 fax: 886-3-563-0879 www: http://www.aimtron.com.tw 2/15/2006 rev:1.0 email: service@aimtron.com.tw 9 ch6: constant-current control for shutter ch6 in/in control mode truth value table in6a in6b out6a out6b mode l l z z off h l h l forward rotation l h l h reverse rotation h h l l brake ch6 en/in control mode truth value table in6a in6b out6a out6b mode l - z z off h l h l forward rotation h h l h reverse rotation
at5557 preliminary product information serial input 6ch motor driver for dsc 7f, no.9, park avenue ii, science-based indu strial park, hsinch u 300,taiwan, r.o.c. tel: 886-3-563-0878 fax: 886-3-563-0879 www: http://www.aimtron.com.tw 2/15/2006 rev:1.0 email: service@aimtron.com.tw 10 ch3~ch5: dc motor full-swing & constant-voltage control dc motor drive by completeness serial control is possible. in combination with in input, it corresponds also to a pwm drive.
at5557 preliminary product information serial input 6ch motor driver for dsc 7f, no.9, park avenue ii, science-based indu strial park, hsinch u 300,taiwan, r.o.c. tel: 886-3-563-0878 fax: 886-3-563-0879 www: http://www.aimtron.com.tw 2/15/2006 rev:1.0 email: service@aimtron.com.tw 11 serial control map 8 7 6 5 4 3 2 1 no ps/reset (table15,16) pi setup (table13,14) ch5 dcm control (table12) ch4 dcm control (table12) ch3 dcm control (table12) ch1 ch5 dca setup (table10, 11) ch1 ch4 disable bit setup (table9) mode setup (table1 table8) contents 1 1 1 1 0 0 0 0 b15 1 1 0 0 1 1 0 0 b14 1 0 1 0 1 0 1 0 b13 address ps(power save) pi1 off/on ch1, 2 disable bit ch1, 2 full swing/ constant voltage b12 pi2 off/on 5ch dcm 2bit control 4ch dcm 2bit control 3ch dcm 2bit control ch3, 4 disable bit ch3, 4 full swing/ constant voltage b11 pi1 on resistance ch1, 2 3bit dac ch5 full swing/ constant voltage b10 pi2 on resistance ch6 in/in en/in b9 ch3, 4 simultaneous control b8 ch3, 4 stm/dcm b7 dcm input set up b6 ch3, 4 5bit dac ch5 control switch exterior/internal b5 data
at5557 preliminary product information serial input 6ch motor driver for dsc 7f, no.9, park avenue ii, science-based indu strial park, hsinch u 300,taiwan, r.o.c. tel: 886-3-563-0878 fax: 886-3-563-0879 www: http://www.aimtron.com.tw 2/15/2006 rev:1.0 email: service@aimtron.com.tw 12 vc setup inside/exterior b4 b3 b2 b1 reset ch5 5bit dac ch6 4bit dac b0 basic setting sequence power save release (indispen sable) 8 ? mode initial setting (indispen sable) 1 ? constant voltage setup (arbitrary) 3 ? disable control setup (indispen sable) 2 ? pi setup (arbitrary) 7 ? ch $) %$.tfuvq 4, 5, 6 < notes > (1) a setup of dac is disregarded at the time of a full swing setup. (2) ch3, 4 2bit control is disregarded at the time of a stepping motor setup. (3) all initial setting after reset release is set to ?0?. ? a mode setup, initial setting bit ? control bit ? motor drive control bit
at5557 preliminary product information serial input 6ch motor driver for dsc 7f, no.9, park avenue ii, science-based indu strial park, hsinch u 300,taiwan, r.o.c. tel: 886-3-563-0878 fax: 886-3-563-0879 www: http://www.aimtron.com.tw 2/15/2006 rev:1.0 email: service@aimtron.com.tw 13 serial setting table address: < b15, b14, b13 > = < 0, 0, 0 > : (table1 table8) table1 ? ch1~ch5 output mode setup b12 b11 b10 0 1 0 1 0 1 full swing constant voltage full swing constant voltage full swing constant voltage table2 ? ch6 control system setup b9 0 1 in6a=in in6b=in in6a=en in6b=in table3 ? ch3, 4 simultaneous control of dc motor b8 0 1 ch3, 4 independent control ch3, 4 simultaneous control table4 ? ch3,4 the input terminal at the time of stm/dcm setup b7 0 1 stm dcm in34a=a input in34a=ch3 pwm in in34b=b input in34b= ch4 pwm in in34c=c input in34c= ch5 pwm in table5 ? ch3~ch5 dcm incoming signal mode setup b6 0 1 input=l input=h input=l input=h active off off active table6 ? ch5 control input setup b5 0 1 pin in5a/in5b control serial control table7 ? vc setup b4 0 1 built-in vref exterior vc
at5557 preliminary product information serial input 6ch motor driver for dsc 7f, no.9, park avenue ii, science-based indu strial park, hsinch u 300,taiwan, r.o.c. tel: 886-3-563-0878 fax: 886-3-563-0879 www: http://www.aimtron.com.tw 2/15/2006 rev:1.0 email: service@aimtron.com.tw 14 table8 ? ch6 dac setup b3 b2 b1 b0 rnf voltage value 0 0 0 0 310 0 0 0 1 300 0 0 1 0 290 0 0 1 1 280 0 1 0 0 270 0 1 0 1 260 0 1 1 0 250 0 1 1 1 240 1 0 0 0 230 1 0 0 1 220 1 0 1 0 210 1 0 1 1 200 1 1 0 0 190 1 1 0 1 180 1 1 1 0 170 1 1 1 1 160 unit [mv] address: < b15, b14, b13 > = < 0, 0, 1 >: (table9) table9 ? disable bit setup b12 b11 0 1 0 1 ch1, 2 disable ch1, 2 enable ch3, 4 disable ch3, 4 enable note: if ps pin=h, this setup is disregarded. address: < b15, b14, b13 > = < 0, 1, 0 >: (table10, 11) table10 ? ch1, 2 dac setup b12 b11 b10 constant voltage value 0 0 0 4.0 0 0 1 3.5 0 1 0 3.0 0 1 1 2.5 1 0 0 2.0 1 0 1 1.5 1 1 0 1.0 1 1 1 prohibition of a setup unit [v]
at5557 preliminary product information serial input 6ch motor driver for dsc 7f, no.9, park avenue ii, science-based indu strial park, hsinch u 300,taiwan, r.o.c. tel: 886-3-563-0878 fax: 886-3-563-0879 www: http://www.aimtron.com.tw 2/15/2006 rev:1.0 email: service@aimtron.com.tw 15 table11 ? ch3~ch5 dac setup b9/b4 b8/b3 b7/b2 b6/b1 b5/b0 constant voltage value 0 0 0 0 0 4.0 0 0 0 0 1 3.9 0 0 0 1 0 3.8 0 0 0 1 1 3.7 0 0 1 0 0 3.6 0 0 1 0 1 3.5 0 0 1 1 0 3.4 0 0 1 1 1 3.3 0 1 0 0 0 3.2 0 1 0 0 1 3.1 0 1 0 1 0 3.0 0 1 0 1 1 2.9 0 1 1 0 0 2.8 0 1 1 0 1 2.7 0 1 1 1 0 2.6 0 1 1 1 1 2.5 1 0 0 0 0 2.4 1 0 0 0 1 2.3 1 0 0 1 0 2.2 1 0 0 1 1 2.1 1 0 1 0 0 2.0 1 0 1 0 1 1.9 1 0 1 1 0 1.8 1 0 1 1 1 1.7 1 1 0 0 0 1.6 1 1 0 0 1 1.5 1 1 0 1 0 1.4 1 1 0 1 1 1.3 1 1 1 0 0 1.2 1 1 1 0 1 1.1 1 1 1 1 0 1.0 1 1 1 1 1 0.9 unit [v] address: < b15, b14, b13 > = < 0, 1, 1 > =ch3, < 1, 0, 0 >=ch4, < 1, 0, 1 >=ch5: (table12) table12 ? ch3~ch5 contro l of dc motor b12 b11 mode 0 0 off 1 0 forward rotation 0 1 reverse rotation 1 1 brake
at5557 preliminary product information serial input 6ch motor driver for dsc 7f, no.9, park avenue ii, science-based indu strial park, hsinch u 300,taiwan, r.o.c. tel: 886-3-563-0878 fax: 886-3-563-0879 www: http://www.aimtron.com.tw 2/15/2006 rev:1.0 email: service@aimtron.com.tw 16 address: < b15, b14, b13 > = < 1, 1, 0 >: (table13, 14) table13 ? pi on/off setup b12 b11 0 1 0 1 pi1=off (output ?hi-z?) pi1=on (output ?l?) pi2=off (output ?hi-z?) pi2=on (output ?l?) table14 ? pi on resistance b10, b8 b9, b7 pi on resistance 0 0 full on (20 ohm) 0 1 100 ohm 1 0 150 ohm 1 1 200 ohm address: < b15, b14, b13 > = < 1, 1, 1 >: (table15, 16) table15 ? ps setup b12 0 1 power save active table16 ? reset setup b0 0 1 set reset note: reset clears itself and returns to an initial value.
at5557 preliminary product information serial input 6ch motor driver for dsc 7f, no.9, park avenue ii, science-based indu strial park, hsinch u 300,taiwan, r.o.c. tel: 886-3-563-0878 fax: 886-3-563-0879 www: http://www.aimtron.com.tw 2/15/2006 rev:1.0 email: service@aimtron.com.tw 17 application1 ( ch1, 2 stm, ch3, 4 stm, ch5 dcm, ch6 shutter) out1a out1b out2a out2b pgnd1 pgnd2 out3a out3b out4a out4b out5a out5b pgnd3 sclk vcc ps agnd rnf out6a out6b 10uf stm(af) dcm (zoom) coil (iris) stm (zoom) stm(iris) shutter cpu for control 10uf ch3, 4 control ch1, 2 control application2 ( ch1, 2 stm, ch3, 4 stm, ch5 dcm, ch6 shutter)
at5557 preliminary product information serial input 6ch motor driver for dsc 7f, no.9, park avenue ii, science-based indu strial park, hsinch u 300,taiwan, r.o.c. tel: 886-3-563-0878 fax: 886-3-563-0879 www: http://www.aimtron.com.tw 2/15/2006 rev:1.0 email: service@aimtron.com.tw 18 application3 ( ch1, 2 stm, ch3, 4 , 5 dcm, ch6 shutter) out1a vm2 out1b out2a out2b pgnd1 pgnd2 out3a out3b out4a out4b pi2 in34a in34b in34c sdat sld in5a in5b vm3 out5a out5b pgnd3 sclk vcc ps agnd rnf out6a out6b vm4 in6b in6a vref vc in12a in12b in12c pi1 vm1 10uf stm(af) dcm (zoom) coil (iris) shutter cpu for control 10uf ch3, 4, 5 control ch1, 2 control dcm control of ch3, 4, 5 is serial, and is set up. the speed control by pwm drive is attained in signal input at in34a, in34b, in34c dcm (zoom) dcm (zoom) application4 ( ch1, 2 stm, ch3, 4 , 5 dcm, ch6 shutter)
at5557 preliminary product information serial input 6ch motor driver for dsc 7f, no.9, park avenue ii, science-based indu strial park, hsinch u 300,taiwan, r.o.c. tel: 886-3-563-0878 fax: 886-3-563-0879 www: http://www.aimtron.com.tw 2/15/2006 rev:1.0 email: service@aimtron.com.tw 19 package outline (units:mm): qfn-40 common dimensidns millimeter dimensidns inch symbol min. nom. max. min. nom. max. a 0.7 0.75 0.8 0.027 0.029 0.031 a3 0.20 bsc. 0.008 bsc. b 0.18 0.25 0.30 0.007 0.010 0.012 d 5.925 6.000 6.075 0.233 0.236 0.239 d2 4.50 4.65 4.80 0.177 0.183 0.189 e 5.925 6.000 6.075 0.233 0.236 0.239 e2 4.50 4.65 4.80 0.177 0.183 0.189 e 0.50 bsc. 0.020 bsc. l 0.35 0.40 0.45 0.014 0.016 0.018
at5557 preliminary product information serial input 6ch motor driver for dsc 7f, no.9, park avenue ii, science-based indu strial park, hsinch u 300,taiwan, r.o.c. tel: 886-3-563-0878 fax: 886-3-563-0879 www: http://www.aimtron.com.tw 2/15/2006 rev:1.0 email: service@aimtron.com.tw 20 reflow profiles sn-pb eutectic assembly pb-free assembly profile feature large body pkg. thickness 2.5mm or pkg. volume 350mm 3 small body pkg. thickness <2.5mm or pkg. volume <350mm 3 large body pkg. thickness 2.5mm or pkg. volume 350mm 3 small body pkg. thickness 2.5mm or pkg. volume 350mm 3 average ramp-up rate (t l to t p ) 3 c/second max. 3 c/second max. preheat -temperature min(tsmin) -temperature max (tsmax) -time (min to max)(ts) 100 c 150 c 60-120 seconds 150 c 200 c 60-180 seconds ts m a x t o t l -ramp-up rate 3 c/second max. time maintained above: -temperature (t l ) -time (t l ) 183 c 60-150 seconds 217 c 60-150 seconds peak temperature(t p ) 225+0/-5 c 240+0/-5 c 245+0/-5 c 250+0/-5 c time within 5 c of actual peak temperature (t p ) 10-30 seconds 10-30 seconds 10-30 seconds 20-40 seconds ramp-down rate 6 c/second max. 3 c/second max. time 25 c to peak temperature 6 minutes max. 8 minutes max. * all temperatures refer to topside of the package, measured on the package body surface.

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