ah175 hall effect latch for high temperature ah175 rev. 9 1 of 9 september 2009 ds31043 www.diodes.com ? diodes incorporated lead-free lead-free lead-free lead-free lead-free lead-free ? bipolar hall effect latch sensor ? 3.5v to 20v dc operation voltage ? open collector pre-driver ? 25ma output sink current ? chip power reverse-connection protection ? operating temperature: -40 o c~+150 o c ? lead free packages: sip-3l and sc59-3l (commonly known as sot23 in asia) (note 1) ? sc59-3l: available in ?green? molding compound (no br, sb) ? lead free finish/rohs compliant (note 2) ah175 is a single-digital-output hall-effect sensor for high temperature operation. the device includes an on-chip hall voltage generator for magnetic sensing, an amplifier to amplify hall voltage, and a comparator to provide switching hysteresis for noise rejection, and an open-collector output pre-driver. an internal band-gap regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply range. while the magnetic flux density (b) is larger than threshold bop, the out pin turns on (low). if b removed toward brp, the out pin is latched ?on? state prior to b < brp. when b < brp, the out pin goes into ?off ? state. applications ? rotor position sensing ? current switch ? encoder ? rpm detection ordering information ah175 - x x - x - x packing 7 : tape & reel b : bulk (note 5) a : ammo box (note 4) p : sip-3l w : sc59-3l package lead free l : lead free (note 1) magnetic characteristics a or b g : green device package code packaging (note 3) tube/bulk 7? tape and reel ammo box magnetic characteristics quantity part number suffix quantity part number suffix quantity part number suffix ah175-pl-a-a p sip-3l na na na na 4000/box -a a ah175-pl-a-b p sip-3l na na na na 4000/box -a b ah175-pl-b-a p sip-3l 1000 -b na na na na a ah175-pl-b-b p sip-3l 1000 -b na na na na b ah175-wl-7-a w sc59-3l na na 3000/tape & reel -7 na na a ah175-wl-7-b w sc59-3l na na 3000/tape & reel -7 na na b ah175-wg-7-a w sc59-3l na na 3000/tape & reel -7 na na a ah175-wg-7-b w sc59-3l na na 3000/tape & reel -7 na na b notes: 1. sip-3l is available in ?lead free? product only. 2. eu directive 2002/95/ec (rohs). all applicable rohs exemptions applied. please visit our website at http://www.diodes.com/products/lead_free.html . 3. pad layout as shown on diodes inc. suggested pad layout document ap02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf . 4. ammo box is for sip-3l spread lead. 5. bulk is for sip-3l straight lead. features general description
ah175 hall effect latch for high temperature ah175 rev. 9 2 of 9 september 2009 ds31043 www.diodes.com ? diodes incorporated (1) sip-3l (2) sc59-3l (commonly known as sot23 in asia) 1. v cc 2. gnd (top view) 3. out 1. v cc gnd 2. 3. out (top view) amp reg. 1 3 2 v cc out gnd pin assignment pin description pin name pin # description v cc 1 input power gnd 2 ground out 3 output stage block diagram
ah175 hall effect latch for high temperature ah175 rev. 9 3 of 9 september 2009 ds31043 www.diodes.com ? diodes incorporated absolute maximum ratings (t a = 25 c) symbol parameter rating unit v cc supply voltage 20 v v out (off) output ?off ? voltage 20 v i o (sink) output ?on? current 25 ma p d power dissipation sip-3l 550 mw sc59-3l 230 mw t j ( max ) maximum junction temperature 150 c t st storage temperature range -65~+150 c recommended operat ing conditions symbol parameter conditions min max unit v cc supply voltage operating 3.5 20 v t a operating ambient temperature (note 6) operating -40 150 c notes: 6. shall not exceed p d and safety operation area. electrical characteristics (t a = 25 c) symbol parameter conditions min typ. max unit v out ( sat ) output saturation voltage v cc = 12v, out ?on? i o = 10ma - 300 400 mv i cc supply current v cc = 12v, out ?off? - 3.5 6 ma
ah175 hall effect latch for high temperature ah175 rev. 9 4 of 9 september 2009 ds31043 www.diodes.com ? diodes incorporated magnetic characteristics (t a = 25 c, v cc = 12v, note 7) (1mt = 10 gauss) a grade symbol parameter min typ. max unit bops(south pole to brand side) operation point 15 - 60 gauss brps ( south pole to brand side ) release point -60 - -15 gauss bhy( brpx bopx ? ) hysteresis 30 80 120 gauss b grade symbol parameter min typ. max unit bops(south pole to brand side) operation point 5 - 80 gauss brps(south pole to brand side) release point -80 - -5 gauss bhy( brpx bopx ? ) hysteresis 10 80 160 gauss notes: 7. magnetic characteristics are for design information, which will vary with supply voltage, operating temperature an d after soldering. operating characteristics marking side s b hy v sat v cc (output voltage) v d b rp b op 0 (magnetic flux density) v out high low marking side s (sip-3l) (sc59-3l) n n
ah175 hall effect latch for high temperature ah175 rev. 9 5 of 9 september 2009 ds31043 www.diodes.com ? diodes incorporated performance characteristics (1) sip-3l t a ( c) 25 50 60 70 80 85 90 95 100 p d (mw) 550 440 396 352 308 286 264 242 220 t a ( c) 105 110 115 120 125 130 135 140 150 p d (mw) 198 176 154 132 110 88 66 44 0 power dissipation curve 0 100 200 300 400 500 600 0 25 50 75 100 125 150 t a (c ) p d (m w ) -40 (2) sc59-3l (commonly known as sot23 in asia) t a ( c) 25 50 60 70 80 90 100 110 120 125 130 140 150 p d (mw) 230 184 166 147 129 110 92 74 55 46 37 18 0 power dissipation curve 0 100 200 300 0 25 50 75 100 125 150 t a (c) p d (m w ) -40
ah175 hall effect latch for high temperature ah175 rev. 9 6 of 9 september 2009 ds31043 www.diodes.com ? diodes incorporated marking information (1) sip-3l 175 part number ( top view ) x : internal code : a~z : lead free y : year : 0~9 ww : week : 01~52, "52" represents 52 and 53 week y ww x (2) sc59-3l (commonly known as sot23 in asia) xx y w x ( top view ) xx : identification code w : week : a~z : 1~26 week; x : a~z : green y : year 0~9 a~z : 27~52 week; z represents 52 and 53 week a~z : lead free part number package identification code ah175 sc59-3l j5
ah175 hall effect latch for high temperature ah175 rev. 9 7 of 9 september 2009 ds31043 www.diodes.com ? diodes incorporated package information (all dimensions in mm) (1) package type: sip-3l for bulk pack active area depth sensor location 123 2.00mm 1.15mm 0.51mm nom branded surface package dimension
ah175 hall effect latch for high temperature ah175 rev. 9 8 of 9 september 2009 ds31043 www.diodes.com ? diodes incorporated package information (continued) (2) package type: sip-3l for ammo pack (3) package type: sc59-3l (commonly known as sot23 in asia) 0 . 3 5 /0 . 50 0.10/0.20 0.013/0.10 0.35/0.55 0.95 2.70/ 3.00 2.90/3.10 1.00/ 1.30 1.50/ 1.70 1.90 top view 0 o /8 o
ah175 hall effect latch for high temperature ah175 rev. 9 9 of 9 september 2009 ds31043 www.diodes.com ? diodes incorporated 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 ot her changes 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 incorpora ted convey any license under its patent or trademark rights, nor the rights of others. any customer or user of this document or pr oducts 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 diodes incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthoriz ed sales channel. should customers purchase or use diodes incorporated products for any unintended or unauthorized application, customers shall indemnify and hold diodes incorporated and its representatives harmless against all claims, damages, expenses, and attorney fee s arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application. products described herein may be covered by one or more united states, international or foreign patents pending. product names and markings noted herein may also be covered by one or more united states, international or foreign trademarks. life support diodes incorporated products are specifically 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 in the labeling can be reasonably expected to result in significant 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 expected to cause the failure of the life support device or to affect its safety or effectiveness. customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support dev ices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements 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 ? 2009, diodes incorporated www.diodes.com
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