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. 0.5 jun 18, 2004 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 : vcc 3 : do 4 : dob ( front view ) 15 4 3 2 292 5 : gnd sip-5l 1 3 2 5 4 sot23-5 vcc gnd do dob fg 292 1 2 3 7 4 5 dob do gnd fg vcc sot89-5l ah292 ? pin descriptions symbol description fg frequency generation vcc input power do output pin dob output pin gnd ground ? ordering information a h292 x - x x x packing blank : tube or bulk a : tape & reel p: sip-5l package lead l : lead free blank: normal wafer body blank or a~z : if necessary to specify y: sot89-5l w: sot23-5l
ah292 low voltage hall-effect smart fan motor controller anachip corp. www.anachip.com.tw rev 0.5 jun 18, 2004 2/9 ? block diagram (sip5) hall plate control logic regulator lock shutdown and automatic recovery vcc gnd dob do amp. 2 3 4 5 1 fg ? typical application circuit 292 1 5 4 3 2 vcc (1.8v/5.75v) coil2 coil1 r pu fg gnd c1 10uf + d1 1.8v/5.75v dc brush-less fan with fg output function
ah292 low voltage hall-effect smart fan motor controller anachip corp. www.anachip.com.tw rev 0.5 jun 18, 2004 3/9 ? absolute maxi mum ratings (ta = 25 c) characteristics symbol rating unit output zener-breakdown voltage vz 38 v operating supply voltage v cc 8 v i o(ave) 400 output current i o(peak) 500 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, v cc = 5v, unless otherwise notice) characteristics symbol conditions min. typ. max. unit supply voltage vcc operating 1.8 - 5.75 v supply current cc i operating - 2.6 4.0 ma locked protection on tlrp-on - 0.4 - sec locked protection off tlrp-off - 2.4 - 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 ? magnetic characteristics ( ta = 2 5 c, v cc = 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
ah292 low voltage hall-effect smart fan motor controller anachip corp. www.anachip.com.tw rev 0.5 jun 18, 2004 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)
ah292 low voltage hall-effect smart fan motor controller anachip corp. www.anachip.com.tw rev 0.5 jun 18, 2004 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 )
ah292 low voltage hall-effect smart fan motor controller anachip corp. www.anachip.com.tw rev 0.5 jun 18, 2004 6/9 ? marking information (1)sip-5l 292 part number year: ( top view ) "2" = 2002 "1" = 2001 x x x x x nth week: 01~52 id code blank : normal l : lead free package ~ (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
ah292 low voltage hall-effect smart fan motor controller anachip corp. www.anachip.com.tw rev 0.5 jun 18, 2004 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)
ah292 low voltage hall-effect smart fan motor controller anachip corp. www.anachip.com.tw rev 0.5 jun 18, 2004 8/9 (2) package type: sot23-5l gauge plane 0.25 mm l l1 e1 e e1 d 123 4 5 b e b1 b c c1 base metal with plating a2 a1 a seating plane 0.10 c 5x 2(4x) 1(4x) x y dimensions in millimeters dimensions in inches symbol min. nom. max. min. nom. max. a 1.05 1.20 1.35 0.041 0.047 0.053 a1 0.05 0.10 0.15 0.002 0.004 0.006 a2 1.00 1.10 1.20 0.039 0.043 0.047 b 0.25 - 0.55 0.010 - 0.022 b1 0.25 0.40 0.45 0.010 0.016 0.018 c 0.08 - 0.20 0.003 - 0.008 c1 0.08 0.11 0.15 0.003 0.004 0.006 d 2.70 2.85 3.00 0.106 0.112 0.118 e 2.60 2.80 3.00 0.102 0.110 0.118 e1 1.50 1.60 1.70 0.059 0.063 0.067 l 0.35 0.45 0.55 0.014 0.018 0.022 l1 0.60 ref. 0.024 ref. e 0.95 bsc. 0.037 bsc. e1 1.90 bsc. 0.075 bsc. 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 -
ah292 low voltage hall-effect smart fan motor controller anachip corp. www.anachip.com.tw rev 0.5 jun 18, 2004 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 -
|
