ah292 low voltage hall-effect smart fan motor controller this datasheet contains new product information. anachip corp. reserves the rights to modify the product specification without notice. no liability is assumed as a result of the use of this product. no rights under any patent accompany the sale of the product. rev. 1.0 oct 5, 2005 1/9 ? features - on chip hall sensor - rotor-locked shutdown - automatically restart - frequency generator (fg) output - buil t-in zener protection for output driver - operating voltage: 1.8v~5.75 v - output current: ) ave ( o i = 400 ma - package: sip-5l, sot23-5l, sot89-5l ? general description ah292 is a monolithic fan motor controller with hall sensor?s capability. it contains two complementary open-collector transistors for motor?s coil driving, automatic lock current shutdown, and recovery protections. besides, frequency generator (fg) output is for speed detection relatively. to avoid coil burning, rotor-lock shutdown detection circuit shut down the output driver if the rotor is blocked and then the automatic recovery circuit will try to restart the motor. these protecting actions are repeated and periodic during the blocked period. until the blocking is removed, the motor recovers running normally. ? pin configuration 1 : fg 2 : vdd 3 : do 4 : dob ( front view ) 15 4 3 2 292 5 : gnd sip-5l 1 3 2 5 4 sot23-5 fg gnd do dob vdd 292 1 2 3 7 4 5 dob do gnd fg vdd sot89-5l ah292 ? pin descriptions symbol description fg frequency generation vdd input power do output pin dob output pin gnd ground ? ordering information ah292 x - x x x packing blank : bulk a : tape & reel p: sip-5l package lead l : lead free wafer body blank or a~z : if necessary to specify y: sot89-5l w: sot23-5l (for sot packages only) this anachip version datasheet is replaced with diodes inc. datasheet ah292 actual package is sc-59, not sot-23 sot23-5l not recommended for new design sip-5l and sot23-5l not recommended for new design
ah292 low voltage hall-effect smart fan motor controller anachip corp. www.anachip.com.tw rev 1.0 oct 5, 2005 2/9 ? block diagram (sip5) hall plate control logic regulator lock shutdown and automatic recovery vdd gnd dob do amp. 2 3 4 5 1 fg ? typical application circuit 292 1 5 4 3 2 vdd (1.8v/5.75v) coil2 coil1 r pu fg gnd d2 d1 r1 r2 c1 c2 ? 56 notes: r1, r2: typical c1, c2, c3: typical 2.2 f the r, c value need to be fine tuned base on coils design. c3 1.8v/5.75v dc brush-less fan with fg output function this anachip version datasheet is replaced with diodes inc. datasheet ah292 actual package is sc-59, not sot-23 sot23-5l not recommended for new design sip-5l and sot23-5l not recommended for new design
ah292 low voltage hall-effect smart fan motor controller anachip corp. www.anachip.com.tw rev 1.0 oct 5, 2005 3/9 ? absolute maxi mum ratings (ta = 25 c) characteristics symbol rating unit operating supply voltage vdd 8 v i o(ave) 400 output current i o(peak) 700 ma sip5 550 sot23-5 230 power dissipation p d sot89-5 800 mw operating temperature topr -20 ~ 100 c storage temperature tstg -55 ~ 150 c maximum junction temp. tj 150 c ? electrical characteristics ( ta = 2 5 c, vdd = 5v, unless otherwise notice) characteristics symbol conditions min. typ. max. unit supply voltage vdd operating 1.8* - 5.75 v supply current idd operating - 2.6 4.0 ma locked protection on tlrp-on - 0.4 - sec locked protection off tlrp-off 2.4 3 3.6 sec i o =180ma - 300 - output saturation voltage ) sat ( out v i o =350ma - 600 - mv output on resistance rds(on) - 1.75 - ohm fg output vds vol i o =10ma - 0.5 - v output zener-breakdown voltage vz - 15 - v *note: the output of ic will be switched after the supply voltage is over 1.8v, but the magnetic characteristics won't be normal unti l the supply is over 2.0v. ? magnetic characteristics ( ta = 2 5 c, vdd = 5v, unless otherwise specified) (1mt=10 gauss) characteristics symbol min. typ. max. unit operate point bop -- 30 60 gauss release point brp -60 -30 -- gauss hysteresis bhy -- 60 -- gauss this anachip version datasheet is replaced with diodes inc. datasheet ah292 actual package is sc-59, not sot-23 sot23-5l not recommended for new design sip-5l and sot23-5l not recommended for new design
ah292 low voltage hall-effect smart fan motor controller anachip corp. www.anachip.com.tw rev 1.0 oct 5, 2005 4/9 ? operating characteristics dob do 12 10 8 6 4 2 off op rp on output voltage in volts 12 10 8 6 4 2 off rp op on output voltage in volts bop brp 0 bop brp 0 magnetic flux density in gauss magnetic flux density in gauss vsat vsat ? performance characteristics (sip5) ta ( c) 25 50 60 70 80 85 90 95 100 pd (mw) 550 440 396 352 308 286 264 242 220 ta ( c) 105 110 115 120 125 130 135 140 150 pd (mw) 198 176 154 132 110 88 66 44 0 power dissipation curve 0 100 200 300 400 500 600 0 255075100125150 ta ( c) pd (mw) this anachip version datasheet is replaced with diodes inc. datasheet ah292 actual package is sc-59, not sot-23 sot23-5l not recommended for new design sip-5l and sot23-5l not recommended for new design
ah292 low voltage hall-effect smart fan motor controller anachip corp. www.anachip.com.tw rev 1.0 oct 5, 2005 5/9 ? performance characteristics (sot23-5) ta ( c) 25 50 60 70 80 90 100 110 120 130 140 150 pd (mw) 230 184 166 147 129 110 92 74 55 37 18 0 power dissipation curve 0 100 200 300 0 25 50 75 100 125 150 ta ( c) pd (mw) ? performance characteristics (sot89-5) ta ( c) 25 50 60 70 75 80 85 90 95 100 pd (mw) 800 640 576 512 480 448 416 384 352 320 ta ( c) 105 110 115 120 125 130 135 140 145 150 pd (mw) 288 256 224 192 160 128 96 64 32 0 power dissipation curve 0 100 200 300 400 500 600 700 800 900 0 25 50 75 100 125 150 ta ( c) pd (mw ) this anachip version datasheet is replaced with diodes inc. datasheet ah292 actual package is sc-59, not sot-23 sot23-5l not recommended for new design sip-5l and sot23-5l not recommended for new design
ah292 low voltage hall-effect smart fan motor controller anachip corp. www.anachip.com.tw rev 1.0 oct 5, 2005 6/9 ? marking information (1)sip-5l 292 part number year: ( front view ) "2" = 2002 "1" = 2001 xxxxx nth week: 01~52 id code: a ~ z wafer lot id: l & a~z is lead-free products (2)sot23-5l rb:ah292 xx ym x date code y : year m :month(a~l) (top view) id code a~z: non-lead free a~z: lead free (3)sot89-5l 1 2 3 5 7 4 292 y m x m : month: a~l y : year: 0-9 id code a~z: non-lead free a~z : lead free this anachip version datasheet is replaced with diodes inc. datasheet ah292 actual package is sc-59, not sot-23 sot23-5l not recommended for new design sip-5l and sot23-5l not recommended for new design
ah292 low voltage hall-effect smart fan motor controller anachip corp. www.anachip.com.tw rev 1.0 oct 5, 2005 7/9 ? package information (1)package type: sip-5l ( unit: mm / [inch] ) 4.2 ref [0.165 ref] 0.001] [0.016 0.03 0.41 0.001] [0.037 0.03 0.95 0.003] [0.144 0.1 3.65 0.003] [0.019 0.1 0.48 ] 003 . 0 206 . 0 [ 1 . 0 22 . 5 2-0.3c [0.079-0.012c] 0.001] [0.015 0.03 0.38 3 ~ 2 0.012] [0.563 0.3 14.3 0.003] [0.061 0.1 1.55 0.003] [0.029 0.1 0.73 5 ~ 2 5 ~ 2 3 ~ 2 ? location of sensing point 1.016 mm [0.04 inch] 2.006 mm [0.079 inch] 12 345 ( top view) this anachip version datasheet is replaced with diodes inc. datasheet ah292 actual package is sc-59, not sot-23 sot23-5l not recommended for new design sip-5l and sot23-5l not recommended for new design
ah292 low voltage hall-effect smart fan motor controller anachip corp. www.anachip.com.tw rev 1.0 oct 5, 2005 8/9 (2) package type: sot23-5l l e e he d a2 a1 b(5x) a view c l1 1(4x) 2(4x) e1 gauge plane c see view c x y dimensions in millimeters dimensions in inches symbol min. nom. max. min. nom. max. a 1.05 - 1.35 0.041 - 0.053 a1 0.05 - 0.15 0.002 - 0.006 a2 1.00 1.10 1.20 0.039 0.043 0.047 b 0.25 - 0.50 0.010 - 0.020 c 0.08 - 0.20 0.003 - 0.008 d 2.70 2.90 3.00 0.106 0.114 0.118 e 1.50 1.60 1.70 0.059 0.063 0.067 he 2.60 2.80 3.00 0.102 0.110 0.118 l 0.30 - 0.60 0.012 - 0.024 l1 0.50 0.60 0.70 0.020 0.024 0.028 e 1.80 1.90 2.00 0.071 0.075 0.079 e1 0.85 0.95 1.05 0.033 0.037 0.041 0 o 5 o 10 o 0 o 5 o 10 o 1 3 o 5 o 7 o 3 o 5 o 7 o 2 6 o 8 o 10 o 6 o 8 o 10 o x - 1.067 - - 0.042 - y - 0.432 - - 0.017 - this anachip version datasheet is replaced with diodes inc. datasheet ah292 actual package is sc-59, not sot-23 sot23-5l not recommended for new design sip-5l and sot23-5l not recommended for new design
ah292 low voltage hall-effect smart fan motor controller anachip corp. www.anachip.com.tw rev 1.0 oct 5, 2005 9/9 (3) package type: sot89-5l k j l d c a i h g e b f f package sensor location x y dimensions in millimeters dimensions in inches symbol min. nom. max. min. nom. max. a 4.40 4.50 4.60 0.173 0.177 0.181 b 4.05 4.15 4.25 0.159 0.163 0.167 c 1.50 1.60 1.70 0.059 0.063 0.067 d 1.30 1.40 1.50 0.051 0.055 0.059 e 2.40 2.50 2.60 0.094 0.098 0.102 f 0.80 - - 0.031 - - g 3.00 ref. 0.118 ref. h 1.50 ref. 0.059 ref. i 0.40 0.46 0.52 0.016 0.018 0.020 j 1.40 1.50 1.60 0.055 0.059 0.063 k 0.35 0.39 0.43 0.014 0.015 0.017 l 5 o t yp .5 o t yp . x - 1.90 - - 0.075 - y - 1.65 - - 0.065 - this anachip version datasheet is replaced with diodes inc. datasheet ah292 actual package is sc-59, not sot-23 sot23-5l not recommended for new design sip-5l and sot23-5l not recommended for new design
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