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c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 7 - m a r . , 2 0 0 8 a p x 9 2 6 8 w w w . a n p e c . c o m . t w 1 a n p e c r e s e r v e s t h e r i g h t t o m a k e c h a n g e s t o i m p r o v e r e l i a b i l i t y o r m a n u f a c t u r a b i l i t y w i t h o u t n o t i c e , a n d a d v i s e c u s t o m e r s t o o b t a i n t h e l a t e s t v e r s i o n o f r e l e v a n t i n f o r m a t i o n t o v e r i f y b e f o r e p l a c i n g o r d e r s . s i n g l e - p h a s e f u l l - w a v e m o t o r d r i v e r f o r s i l e n t f a n m o t o r s i n g l e p h a s e f u l l w a v e f a n d r i v e r s i l e n t d r i v e r low supply current b u i l t - i n l o c k p r o t e c t i o n a n d a u t o r e s t a r t f u n c t i o n ( e x t e r n a l c a p a c i t o r u n n e c e s s a r y ) f g o u t p u t i n c l u d e h a l l b i a s c i r c u i t b u i l t - i n t h e r m a l p r o t e c t i o n c i r c u i t l e a d f r e e a n d g r e e n d e v i c e s a v a i l a b l e ( r o h s c o m p l i a n t ) m o t o r d r i v e r s f o r s i l e n t f a n m o t o r s the apx9268 is a single phase full wave motor driver for dc fan motor . the output signal of this ic is the amplified hall input signal. it is suitable for both game machine and cpu cooler that need silent drivers. the device is built-in lock protection . w hen fan is locked, the device will enter the lockup protection mode. it is also with thermal shutdown function. in normal operation, the supply current is less than 5ma. the apx9268 is available in msop-8 package. f e a t u r e s g e n e r a l d e s c r i p t i o n a p p l i c a t i o n s o r d e r i n g a n d m a r k i n g i n f o r m a t i o n p i n c o n f i g u r a t i o n m s o p - 8 vcc out1 gnd in- in+ out2 1 2 3 4 8 7 6 5 hb fg n o t e : a n p e c l e a d - f r e e p r o d u c t s c o n t a i n m o l d i n g c o m p o u n d s / d i e a t t a c h m a t e r i a l s a n d 1 0 0 % m a t t e t i n p l a t e t e r m i n a t i o n f i n i s h ; w h i c h a r e f u l l y c o m p l i a n t w i t h r o h s . a n p e c l e a d - f r e e p r o d u c t s m e e t o r e x c e e d t h e l e a d - f r e e r e q u i r e m e n t s o f i p c / j e d e c j - s t d - 0 2 0 c f o r m s l c l a s s i f i c a t i o n a t l e a d - f r e e p e a k r e f l o w t e m p e r a t u r e . a n p e c d e f i n e s ? g r e e n ? t o m e a n l e a d - f r e e ( r o h s c o m p l i a n t ) a n d h a l o g e n f r e e ( b r o r c l d o e s n o t e x c e e d 9 0 0 p p m b y w e i g h t i n h o m o g e n e o u s m a t e r i a l a n d t o t a l o f b r a n d c l d o e s n o t e x c e e d 1 5 0 0 p p m b y w e i g h t ) . apx9268 package code x : msop - 8 temperature range i : -40 to 105 c handling code tr : tape & reel assembly material l : lead free device g : halogen and lead free device handling code temperature range package code xxxxx - date code apx9268 x : a9268 xxx xx assembly material
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 7 - m a r . , 2 0 0 8 w w w . a n p e c . c o m . t w 2 a p x 9 2 6 8 a b s o l u t e m a x i m u m r a t i n g s (note 2) symbol parameter rating unit v cc vcc pin maximum s upply v oltage 7 v i out output p in m aximum o utput c urrent 1 a v out output p in o utput s upply v oltage 7 v i hb hb pin m aximum o utput c urrent 10 ma v fg fg pin m aximum o utput v oltage 7 v i fg fg pin m aximum output c urrent 10 ma r th, ja thermal resistance - junction to ambient msop8 225 c / w p d power dissipation (note1) 0.585 w t j junction temperature - 40 to 150 c t stg storage t emperature - 6 5 to 150 c t sdr maximum lead soldering temperature, 10 seconds 26 0 c r e c o m m e n d e d o p e r a t i n g c o n d i t i o n s symbol parameter ratings unit v cc v cc pin supply voltage 2 to 5.5 v v hall hall input voltage range 0.4 to vcc - 1.1 v t a ambient temperature - 40 to 105 c e l e c t r i c a l c h a r a c t e r i s t i c s ( v c c = 5 v , t a = 2 5 c) apx9268 symbol parameter test conditions min . typ . max . unit v hb hall bias voltage i hb = 0 ~ 5ma 1.1 1.3 1.5 v i cc1 rotation m ode - 3.5 5 ma i cc2 supply c urrent lock p rotect ion m ode - 3.5 5 m a v hofs input offset voltage - - 6 m v g io input ? output gain 45 48 51 db t on lock detection on time 0.35 0.5 0.65 sec t off lock detection off time 3.5 5 6.5 sec v ol output lower side voltage i o ut = 250 ma - 0. 15 0. 22 v v oh output upper side voltage i o ut = 250 ma - 0.15 0.22 v v fg fg p in l ow v oltag e i fg = 3ma - 0.2 0.3 v i fg fg p in leak current v fg = 5v - - 1 m a note1: mounted on a board (60x38x1.6t mm, glass epoxy) note2: absolute maximum ratings are those values beyond which the life of a device may be impaired. exposure to absolute maximum rating conditions for extended periods may affect device reliability.
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 7 - m a r . , 2 0 0 8 w w w . a n p e c . c o m . t w 3 a p x 9 2 6 8 apx9268 symbol parameter test conditions min . typ . max . unit v hys input hysteresis voltage 5 10 15 m v over temperature shutdown - 1 7 5 - over temperature shutdown hysteresis - 25 - c input output in - in+ out1 out2 fg mode l h h l l h l l h off operation mode h l l l off l h l l l lock protection mode t r u t h t a b l e e l e c t r i c a l c h a r a c t e r i s t i c s ( c o n t . ) ( v c c = 5 v , t a = 2 5 c) t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s f g p i n l o w v o l t a g e ( v ) fg pin current (ma) f g p i n c u r r e n t v s . l o w v o l t a g e v c c s u p p l y v o l t a g e ( v ) vcc supply current (ma) v c c s u p p l y c u r r e n t v s . v c c s u p p l y v o l t a g e 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 0 1 2 3 4 5 6 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 0 1 2 3 4 5 6 operation mode lock protection mode 0 1 2 3 4 5 6 7 8 9 10 0 0.2 0.4 0.6 0.8
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 7 - m a r . , 2 0 0 8 w w w . a n p e c . c o m . t w 4 a p x 9 2 6 8 t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s ( c o n t . ) a m b i e n t t e m p e r a t u r e ( c ) offset voltage (mv) o f f s e t v o l t a g e v s . a m b i e n t t e m p e r a t u r e o u t p u t c u r r e n t ( m a ) output voltage (v) o u t p u t v o l t a g e v s . o u t p u t c u r r e n t v c c s u p p l y v o l t a g e ( v ) hb voltage (v) h b v o l t a g e v s . v c c s u p p l y v o l t a g e a m b i e n t t e m p e r a t u r e ( c ) m a x i m u m p o w e r d i s s i p a t i o n v s . a m b i e n t t e m p e r a t u r e maximum power dissipation (mw) 0 100 200 300 400 500 600 700 0 25 50 75 100 125 150 0 0.2 0.4 0.6 0.8 1 1.2 1.4 -40 -20 0 20 40 60 80 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 0 100 200 300 400 500 600 700 800 900 1000 upper side voltage low side voltage 0 0.2 0.4 0.6 0.8 1 1.2 1.4 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 i hb =5ma i hb =0ma
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 7 - m a r . , 2 0 0 8 w w w . a n p e c . c o m . t w 5 a p x 9 2 6 8 t i m e ( 1 m s / d i v ) r o t a t i o n m o d e w a v e f o r m 1 t i m e ( 1 m s / d i v ) r o t a t i o n m o d e w a v e f o r m 2 o p e r a t i n g w a v e f o r m s t i m e ( 1 s / d i v ) l o c k p r o t e c t i o n w a v e f o r m 2 t i m e ( 0 . 1 s / d i v ) l o c k p r o t e c t i o n w a v e f o r m 1 lock v out1 (2v/div) v out1 (2v/div) i out (0.5a/div) v out2 (2v/div) v out2 (2v/div) v out2 (2v/div) v out1 (2v/div) v out1 (2v/div) v in- (50mv/div) v in+ (50mv/div) v fg (5v/div) v fg (5v/div) i out (0.5a/div) i out (0.5a/div) v out2 (2v/div) t on t off
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 7 - m a r . , 2 0 0 8 w w w . a n p e c . c o m . t w 6 a p x 9 2 6 8 t i m e ( 5 0 m s / d i v ) l o c k p r o t e c t i o n w a v e f o r m 3 o p e r a t i n g w a v e f o r m s ( c o n t . ) release v out2 (2v/div) v out1 (2v/div) v fg (5v/div) p i n d e s c r i p t i o n pin no. name description 1 out2 h - bridge output connection. the output stage is a h - bridge formed by four transistors and four - protection diode for switching applications. 2 in+ hall input + 3 hb hall bias 4 in - hall input - 5 fg fg signal output te rminal 6 vcc supply voltage 7 out1 h - bridge output connection. the output stage is a h - bridge formed by four transistors and four - protection diode for switching applications. 8 gnd power gnd. i out (0.5a/div)
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 7 - m a r . , 2 0 0 8 w w w . a n p e c . c o m . t w 7 a p x 9 2 6 8 t y p i c a l a p p l i c a t i o n c i r c u i t b l o c k d i a g r a m note 3: in hot plug application, it?s necessary to protect against a hot plug input voltage overshoot by adding an input zener d i o d e between the vcc and gnd to clamp the overshoot. i n n o r m a l o p e r a t i o n , t h e z e n e r d i o d e i s n ? t s t r e s s e d b e c a u s e o u t p u t c u r r e n t d o e s n ? t r e v e r s e t o v c c . osc lock detection hall bias hb in+ in - out1 out2 fg tsd vcc gnd + - + - 150k w + _ 500 w 500 w 150k w 1 out2 2 in+ 3 hb 4 in - 8 7 out1 6 vcc 5 fg gnd hall d1 r fg = 10k w v in r1 d2 zener pull high voltage c1 6v
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 7 - m a r . , 2 0 0 8 w w w . a n p e c . c o m . t w 8 a p x 9 2 6 8 f u n c t i o n d e s c r i p t i o n figure 1 lockup /auto restart waveform lockup protection and automatic restart the apx9268 provides the lockup protection and au- tomatic restart functions for preventing the coil burn- out in the fan is locked. this ic has an internal counter to determine the shutdown time (t off ) and restart time (t on ). during shutdown time, the output drivers keep turn- ing off for 5 seconds and then enter the restart time. dur- ing the restart time, one output is high and the other is low, which makes a torque for fan rotation. the restart time has 0.5 second. if the locked condition is not removed, the shutdown / restart process will be recurred until the locked c on di- tion is released ( s ee fig ure 1 lockup/auto restart waveform ). output drivers all four drivers in the bridge output are designed for single phase full wave motor driver for fan motor. the linear output architecture is used as output driver. frequency generator function the fg pin is an open collector output, connecting a pull up resistor to a high level voltage for the frequency genera tor function. when in- is larger than in+ , fg is high (switch off) ; when in- is smaller than in+ , fg is low (switch on). open the terminal when not in using. thermal protection the apx9268 has thermal protection . w hen internal junction temperature reaches 175 c, the output devices will be switched off. when the ic?s junction temperature cools by 25 c, the thermal sensor will turn the output devices on again, resulting in a pulsed output during continuous thermal protection. lock out1 fg release t off t off t on out2 in+ in- lock detection reset
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 7 - m a r . , 2 0 0 8 w w w . a n p e c . c o m . t w 9 a p x 9 2 6 8 a p p l i c a t i o n i n f o r m a t i o n for example: v cc = 5v, i fg = 3ma, v fg = 0.2v, r fg = 1.6k w the value of resistor in the range of 1k w to 10k w is recommended. thermal consideration the ic is safe to operate below the line and it will cause the thermal protection if the operat ing area is above the line. for example, t a = 75 c, the maximum power dis- sipation is about 0.35 w (s ee power dissipation vs. ambient temperature) . mounted on a board, there is 60x38x1.6t mm, glass epoxy. the power dissipation can be calculated by the following equation: p d = (v cc - v oh + v ol ) x i out + v cc x i cc for example: if v cc = 5v, i cc = 4ma, i out = 270ma, v oh = 4.83v, v ol = 0.17v, then p d = 0.111w the gnd pin provides an electrical connection to ground and channeling heat away. the printed circuit board (pcb) forms a heat sink and dissipates most of the heat into ambient air. figure 2 different of output signal depending on the shape input protection diode & zener diode & capacitor i t s h o u l d b e a d d e d a p r o t e c t i o n d i o d e ( d 1 ) t o p r o t e c t t h e d a m a g e f r o m t h e p o w e r r e v e r s e c o n n e c t i o n . h o w e v e r , t h e p r o t e c t i o n d i o d e w i l l c a u s e a v o l t a g e d r o p o n t h e s u p p l y v o l t a g e . t h e c u r r e n t r a t i n g o f t h e d i o d e m u s t b e l a r g e r t h a n t h e m a x i m u m o u t p u t c u r r e n t . c o n n e c t i n g v c c a n d g n d w i t h a z e n e r d i o d e ( d 2 ) c a n a v o i d e x c e e d - i n g t h e a b s o l u t e m a x i m u m r a t i n g v o l t a g e . f o r t h e n o i s e r e d u c t i o n p u r p o s e , t h e r e i s a c a p a c i t o r ( c 1 ) 1 m f ( r e c o m m e n d e d ) c o n n e c t i n g v c c a n d g n d ( s e e t y p i c a l a p p l i c a t i o n c i r c u i t ) . hall input the output signal of this ic is the amplified hall input signal, therefore, the output signal depends on hall input. when the hall input is small, the output signal be comes gentle. oppositely, the input signal is large, the ou tput becomes steep ( s ee fig ure 2 different o f output sig- nal de pending on the shape of hall input sign al). the in put/ output gain is 48db(typ.). thus , please adjust the amplitude of hall input to meet the adequate output voltage. fg resistor the value of the fg resistor could be decided by the fol- lowing equation: fg fg cc fg i v v = r - (in+)-(in-) out1 (in+)-(in-) out1
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 7 - m a r . , 2 0 0 8 w w w . a n p e c . c o m . t w 1 0 a p x 9 2 6 8 p a c k a g e i n f o r m a t i o n msop-8 a 0 l view a 0 . 2 5 gauge plane seating plane a 1 d e see view a e 1 e a 2 b c s y m b o l min. max. 1.10 0.00 0.22 0.38 0.08 0.23 0.15 a a1 b c d e e1 e l millimeters a2 0.75 0.95 0.65 bsc msop-8 0.40 0.80 0.026 bsc min. max. inches 0.043 0.000 0.030 0.037 0.009 0.015 0.003 0.009 0.016 0.031 0 0.006 0 8 0 8 4.70 5.10 2.90 3.10 2.90 3.10 0.114 0.122 0.185 0.201 0.114 0.122 note: 1. follow jedec mo-187 aa. 2. dimension ? d ? does not include mold flash, protrusions or gate burrs. mold flash, protrusion or gate burrs shall not exceed 6 mil per side. 3. dimension ? e1 ? does not include inter-lead flash or protrusions. inter-lead flash and protrusions shall not exceed 5 mil per side.
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 7 - m a r . , 2 0 0 8 w w w . a n p e c . c o m . t w 1 1 a p x 9 2 6 8 application a h t1 c d d w e1 f 330.0 ? 2.00 50 min. 12.4+2.00 - 0.00 13.0+0.50 - 0.20 1.5 min. 20.2 min. 12.0 ? 0.30 1.75 ? 0.10 5.5 ? 0.10 p 0 p1 p 2 d 0 d1 t a 0 b 0 k 0 m sop - 8 4.00 ? 0.10 8.00 ? 0.10 2.00 ? 0.10 1.5+0.10 - 0.00 1.5 min. 0.6+0.00 - 0.40 6.70 ? 0.20 3.30 ? 0.20 1.40 ? 0.20 (mm) d e v i c e s p e r u n i t package type unit quantity m sop - 8 tape & reel 3000 c a r r i e r t a p e & r e e l d i m e n s i o n s h t1 a d a e 1 a b w f t p0 od0 b a0 p2 k0 b 0 section b-b section a-a od1 p1
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 7 - m a r . , 2 0 0 8 w w w . a n p e c . c o m . t w 1 2 a p x 9 2 6 8 test item method description solderability mil - std - 883d - 2003 245 c, 5 sec holt mil - std - 883d - 1005.7 1000 hrs bias @125 c pct jesd - 22 - b,a102 168 hrs, 100 % rh, 121 c tst mil - std - 883d - 1011.9 - 65 c~150 c, 200 cycles esd mil - std - 883d - 3015.7 vhbm > 2kv, vmm > 200v latch - up jesd 78 10ms, 1 tr > 100ma r e f l o w c o n d i t i o n ( i r / c o n v e c t i o n o r v p r r e f l o w ) c l a s s i f i c a t i o n r e f l o w p r o f i l e s profile feature sn - pb eutectic assembly pb - free assembly 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 time maintained above: - temperature (t l ) - time (t l ) 183 c 60 - 150 seconds 217 c 60 - 150 seconds peak /classification temperature (tp) see table 1 see table 2 time within 5 c of actual peak temperature (tp) 10 - 30 seconds 20 - 40 seconds ramp - down rate 6 c/sec ond max. 6 c/second max. time 25 c to peak temperature 6 minutes max. 8 minutes max. note: all temperatures refer to topside of the package. measured on the body surface. t 25 c to peak tp ramp-up t l ramp-down ts preheat tsmax tsmin t l t p 25 t e m p e r a t u r e time critical zone t l to t p r e l i a b i l i t y t e s t p r o g r a m
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 7 - m a r . , 2 0 0 8 w w w . a n p e c . c o m . t w 1 3 a p x 9 2 6 8 table 2. pb - free process ? package classification reflow temperatures package thickness volume mm 3 <350 volume mm 3 350 - 2000 volume mm 3 >2000 <1.6 mm 260 +0 c* 260 +0 c* 260 +0 c* 1.6 mm ? 2.5 mm 260 +0 c* 250 +0 c* 245 +0 c* 3 2.5 mm 250 +0 c* 245 +0 c* 245 +0 c* * tolerance: the device manufacturer/supplier shall assure process compatibility up to and including the stated classification temperature (this means peak reflow temperature +0 c. for example 260 c+0 c) at the rated msl level. c u s t o m e r s e r v i c e table 1. snpb eutectic process ? package peak reflow temperature s package thickness volume mm 3 <350 volume mm 3 3 350 <2.5 mm 240 +0/ - 5 c 225 +0/ - 5 c 3 2.5 mm 225 +0/ - 5 c 225 +0/ - 5 c c l a s s i f i c a t i o n r e f l o w p r o f i l e s ( c o n t . ) a n p e c e l e c t r o n i c s c o r p . head office : no.6, dusing 1st road, sbip, hsin-chu, taiwan, r.o.c. tel : 886-3-5642000 fax : 886-3-5642050 t a i p e i b r a n c h : 2 f , n o . 1 1 , l a n e 2 1 8 , s e c 2 j h o n g s i n g r d . , s i n d i a n c i t y , t a i p e i c o u n t y 2 3 1 4 6 , t a i w a n t e l : 8 8 6 - 2 - 2 9 1 0 - 3 8 3 8 f a x : 8 8 6 - 2 - 2 9 1 7 - 3 8 3 8

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