AH9246 document number: ds 38097 rev. 2 - 2 1 of 10 www.diodes.com september 2015 ? diodes incorporated AH9246 new product ultra high sensitivity micropower omnipolar hall - effect switch description the ah 9246 is a n ultra high sensitiv ity hall - effect switch with internal pull - up resistor on the output, designed for battery operated handheld equipments to industrial applications . a chopper stabilized architecture improves stability of magnetic switch points ove r the whole operating range . a sleep - awake logic controls the sleep and awake time to reduce the average operating current of the device . during the awake time, the output is changed with the magnetic flux density. during the sleep time, the output is latc hed in its previous state and the current consumption reduce s to 4 a typical at 3v . the average current consumption is 8 a at 3v . the output can be switched on with either north or south pole of sufficient strength. if the magnetic flux density perpendicular to the part marking surface is larger than operating point (b op ), the output will be turned on; if it is less than releasing point (b rp ), the output will be turned off. the ah 9246 is available in industry standard to92s and sc59 packages. features ? omnipolar o peration (switching with north or south poles) ? micropower operation ? built in pull - up resistor on the output ? 2.5 v to 5.5v power supply ? stabilized chopper ? superior temperature stability ? digital output signal ? - 40c to +85c operating temperature ? esd (hbm) : 5 000v ? small l ow profile i ndustry s tandard sc59 and to 92s p ackages ? totally lead - free & fully rohs compliant (notes 1 & 2) ? halogen and antimony free. green device (note 3) pin assignments ( front view) to92s ( top view) sc59 applications ? cover switch in notebook pc/pda ? handheld wireless application awake switch ? magnet switch in low duty cycle applications note s: 1 . no purposely added lead. fully eu directive 2002/95/ec (rohs) & 2011/65/eu (rohs 2) compliant. 2. see http://www.diodes.com/quality/lead_free.html for more information about diodes incorporateds definitions of hal ogen - and antimony - free, "green" and lead - f ree . 3. halogen - and antimony - free "green products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total br + cl) and <1000ppm antimony compounds. 1 2 3 v d d g n d o u t p u t 3 2 1 gnd v dd out put
AH9246 document number: ds 38097 rev. 2 - 2 2 of 10 www.diodes.com september 2015 ? diodes incorporated AH9246 new product typical applications circuit pin description s pin number pin name function to92s sc59 1 1 v dd power supply pin 2 3 gnd ground pin 3 2 output output pin functional block diagram a (b) a for to92s b for sc59 - o u t p u t a h 9 2 4 6 v d d g n d 1 2 3 1 0 0 p f 1 0 n f 2 . 5 v t o 5 . 5 v s l e e p / a w a k e c o n t r o l t i m i n g l o g i c b i a s h a l l p l a t e + - v d d o u t p u t g n d 1 ( 1 ) 3 ( 2 ) 2 ( 3 ) c h o p p e r c o m p a r a t o r 1 0 0 k
AH9246 document number: ds 38097 rev. 2 - 2 3 of 10 www.diodes.com september 2015 ? diodes incorporated AH9246 new product absolute maximum ratings ( note 4 ) ( @ t a = +25c, unless otherwise specified.) symbol parameter rating unit v dd supply voltage (note 5) 7 v i dd supply current (fault) 6 ma v out output voltage 7 v i out output current 2 ma b magnetic flux density unlimited gauss p d power dissipation to92s 230 mw sc59 230 t stg storage temperature - 55 to + 150 ? j junction temperature + 150 ? C C note s: 4 . s tresses greater than the 'absolute maximum ratings' specified above may cause permanent damage to the device. these are stres s ratings only; functional operation of the device at these or any other conditions exceeding those indicated in this specification is not implied. device reliability may be affected by exposure to absolute maximum rating conditions for extended periods of time . 5 . the absolute maximum v dd of 7 v is a transien t stress rating and is not meant as a functional operating condition. it is not recommended to operate the device at the absolute maximum rated conditions for any period of time. 6 . electronic semiconductor products are sensitive to electro static discharge (esd). always observe electro static discharge control procedures whenever handling semiconductor products. recommended operating conditions symbol characteristic conditions min max unit v dd supply voltage operating 2. 5 5.5 v t a operating temperature range operating - 40 + 85 c electrical characteristics ( note 7 ) ( @ t a = +25c, v dd = 3 v, unless otherwise specified.) symbol characteristic conditions min typ max unit v dd supply voltage operating 2.5 3 5.5 v i dd _ aw supply current during awake a = - 40 to +8 5 ? dd = 2.5v to 5.5v C dd _ sl supply current during sleep period a = - 40 to +8 5 ? dd = 2.5v to 5.5v C dd _ avg average supply current t a = - 40 to + 8 5 ? dd = 2.5v to 5.5v C out output current C C C off output leakage current v out = 5.5 v, output off C < 0.1 1 a v ol output low voltage (on) i out = 1.0ma C C o h output high voltage ( o ff) i out = - 1.0ma v dd - 0.2 v dd - 0.1 C aw awake mode time operating C C sl sleep mode time operating C C C C C c chopper frequency C C C note: 7 . parameters values over operating temperature range are not tested in production, they are guaranteed by design , process control and characterization . the m agnetic characteristics may vary with supply voltage, operating temperature and after soldering.
AH9246 document number: ds 38097 rev. 2 - 2 4 of 10 www.diodes.com september 2015 ? diodes incorporated AH9246 new product electrical characteristics (cont.) ( @ t a = +25c, v dd = 3 v, unless otherwise specified.) magnetic characteristics ( note s 8 & 9 ) (@ t a = - 40c to + 85c, v dd = 3v , unless otherwise specified.) (1mt=10 gauss) symbol parameter conditions min typ max unit b ops ( s outh p ole to p art m arking s ide) operating point b>b ops ,v out = l ow (output on) 9 18 27 gauss b opn ( n orth p ole to p art m arking s ide) b>b opn ,v out = l ow (output on) - 27 - 18 - 9 gauss b rps ( s outh p ole to p art m arking s ide) releasing point b< b rps ,v out = h igh (output off) 4 12 22 gauss b rpn ( n orth p ole to p art m arking s ide) b< b rpn ,v out = h igh (output off) - 22 - 12 - 4 gauss b hys ( opx - b rpx C C notes: 8 . parameters values over operating temperature range are not tested in production, they are guaranteed by design , process control and characterization . the m agnetic characteristics may vary with supply voltage, operating temperature and after soldering. 9 . maximum and minimum hysteresis is guaranteed by design and characterization. b opx =operating point (output turns on); b rpx =releasing point (output turns off) operating characteristics out p ut voltage vs. mag n etic fl u x densi t y o u t p u t v o l t a g e h i g h l o w - b m a g n e t i c f l u x d e n s i t y ( g a u s s ) o u t p u t o f f b r p n b r p s o u t p u t o n 0 + b b o p n b o p s i d d _ s l i d d _ a w t a w a k e t p e r i o d 0 s a m p l e a n d o u t p u t l a t c h e d t s l e e p i d d _ a v g
AH9246 document number: ds 38097 rev. 2 - 2 5 of 10 www.diodes.com september 2015 ? diodes incorporated AH9246 new product p erformance characteristic s b op /b rp vs. supply voltage b op /b rp vs. ambi e n t t e mpe r ature average s u p pl y c u rrent vs. sup pl y v o lta g e a w a k e mode t ime vs. supp l y vol t age sle e p mode t ime vs. supp l y v o lt a ge 2.5 3.0 3.5 4.0 4.5 5.0 5.5 -40 -20 0 20 40 b op /b rp (gs) v dd (v) b ops b rps b opn b rpn -50 -25 0 25 50 75 100 -40 -30 -20 -10 0 10 20 30 40 b op /b rp (gs) t a ( o c) b ops b rps b opn b rpn 2.5 3.0 3.5 4.0 4.5 5.0 5.5 0 1 2 3 i awake (ma) v dd (v) 2.5 3.0 3.5 4.0 4.5 5.0 5.5 0 50 100 150 200 250 300 t awake ( ? s) v dd (v) 2.5 3.0 3.5 4.0 4.5 5.0 5.5 0 50 100 150 200 t asleep (ms) v dd (v)
AH9246 document number: ds 38097 rev. 2 - 2 6 of 10 www.diodes.com september 2015 ? diodes incorporated AH9246 new product thermal performance po wer dissipation de - rating c urve (1) package t ype s : sc59 and to92s t a ( ? p d (mw) 230 230 230 184 166 147 129 120 110 92 74 55 37 18 0 ordering information device package code packaging bulk 7 tape and reel quantity quantity AH9246 - p - b p to92s 1000 /bulk na AH9246 - w - 7 w sc59 na 3000/tape & reel 0 100 200 300 0 25 50 75 100 125 150 p d (mw) t a ( o c) power dissipation curve 85 - 40 a h 9 2 4 6 - x - x p a c k i n g p a c k a g e p r o d u c t n a m e b : b u l k p : t o 9 2 s 7 : 7 " t a p e & r e e l w : s c 5 9
AH9246 document number: ds 38097 rev. 2 - 2 7 of 10 www.diodes.com september 2015 ? diodes incorporated AH9246 new product marking information (1) package type: to92s part number package identification code ah 92 46 to92s 9246 (2) package type: sc59 part number package identification code ah 92 46 sc59 h8 xx y w x ( top view ) xx : identification code w : week : a to z : 1 to 26 week ; y : year 0 to 9 a to z : 27 to 52 week ; z represents 52 and 53 week x : internal code 9246 part number (front view) x : internal code y : year : 0 ~ 9 ww : week : 01 ~ 52 , " 52 " represents 52 and 53 week y ww x
AH9246 document number: ds 38097 rev. 2 - 2 8 of 10 www.diodes.com september 2015 ? diodes incorporated AH9246 new product package outline dimensions (all d imensions in mm . ) please see ap02002 at http://www.diodes.com/datasheets/ap02002.pdf for the latest version. (1) package t ype: to92s(type b) to92s (type b) dim min max typ a 1.420 1.620 - a2 - - 0.750 b 0.360 0.480 - b2 0.380 0.550 - c 0.360 0.510 - d 3.850 4.150 - e 2.900 3.310 - e - - 1.270 l 14.000 15.500 - l1 - - 1.600 44 46 - all dimensions in mm sensor location d i e p a r t m a r k i n g s u r f a c e 0 . 4 / 0 . 5 h a l l s e n s o r 1 . 8 5 / 2 . 1 5 1 . 0 5 / 1 . 3 5 1 2 3 m i n / m a x ( i n m m ) e l l1 e b b2 a a2 0 c d
AH9246 document number: ds 38097 rev. 2 - 2 9 of 10 www.diodes.com september 2015 ? diodes incorporated AH9246 new product package outline dimensions (all d imensions in mm . ) (cont.) please see ap02002 at http://www.diodes.com/datasheets/ap02002.pdf for the latest version. (2) package t ype: sc59 sensor location sc59 dim min max typ a 0.35 0.50 0.38 b 1.50 1.70 1.60 c 2.70 3.00 2.80 d - - 0.95 g - - 1.90 h 2.90 3.10 3.00 j 0.013 0.10 0.05 k 1.00 1.30 1.10 l 0.35 0.55 0.40 m 0.10 0.20 0.15 n 0.70 0.80 0.75 ? 0 8 - all dimensions in mm 0 . 6 5 / 0 . 8 5 1 . 5 / 1 . 7 h a l l s e n s o r m i n / m a x ( i n m m ) 0 . 5 9 5 / 0 . 7 1 5 d i e p a r t m a r k i n g s u r f a c e p i n 1 a m j l d b c h k g n
AH9246 document number: ds 38097 rev. 2 - 2 10 of 10 www.diodes.com september 2015 ? diodes incorporated AH9246 new product suggested pad layout please see ap02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version. (1) package type: sc59 important notice diodes incorporated makes no warranty of any kind, express or implied, with regards to this document, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose (and their equivalents under the laws of any jurisdiction). diodes incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other c hanges without further notice to this document and any product described herein. diodes incorporated does not assume any liability arising out of the application or use of this document or any product described herein; neither does diodes incorporated convey any license unde r its patent or trademark rights, nor the rights of others. any customer or user of this document or products described herein in such applications shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on diod es incorporated website, harmless against all damages. diodes incorporated do es not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel. should customers purchase or use diodes incorporated products for any unintended or unauthorized application, customers shall indemni fy and hold diodes incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising ou t of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized applicat ion. products described herein may be covered by one or more united states, international or foreign patents pending. product nam es and markings noted herein may also be covered by one or more united states, international or foreign trademarks. this doc ument is written in english but may be translated into multiple languages for reference. only the english version of this do cument is the final and determinative format released by diodes incorporated. life support diodes incorporated products are speci fically not authorized for use as critical components in life support devices or systems without the express written approval of the chief executive officer of diodes incorporated. as used herein: a. life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided i n the labeling can be reasonably expected to result in signifi cant injury to the user. b. a critical component is any component in a life support device or system whose failure to perform can be reasonably expe cted to cause the failure of the life support device or to affect its safety or effectiveness. c ustomers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support de vices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety - related requireme nts concerning their products and any use of diodes incorporated products in such safety - critical, life support devices or systems, notwithstanding any devices - or systems - related information or support that may be provided by diodes incorporated. further , customers must fully indemnify diodes incorporated and its representatives against any damages arising out of the use of diodes incorporated products in such safety - critical, life support devices or systems. copyright ? 201 5 , diodes incorporated www.diodes.com dimensions value (in mm) z 3.4 x 0.8 y 1 .0 c 2.4 e 1.35 x e y c z
|
