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data sheet, rev. 1.0, september 2007 TLE4966K high precision hall-effect switch with direction detection sensors
edition 2007-09 published by infineon technologies ag 81726 mnchen, germany ? 2007 infineon technologies ag all rights reserved. legal disclaimer the information given in this document shall in no event be regarded as a guarantee of conditions or characteristics. with respect to any ex amples or hints given herein, any typi cal values stated herein and/or any information regarding the application of the device, infi neon technologies hereby disclaims any and all warranties and liabilities of any kind, including without limitation, warranties of non-infringement of intellectual property rights of any third party. information for further information on technology, delivery terms and conditions and prices, please contact the nearest infineon technologies office ( www.infineon.com ). warnings due to technical requirements, components may contain dangerous substances. for information on the types in question, please contact the nearest infineon technologies office. infineon technologies components may be used in life-suppo rt devices or systems only with the express written approval of infineon technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system or to affect the safety or effectiveness of that device or system. life support devices or systems are intended to be implanted in the human body or to support and/or maintain and sustain and/or protect human life. if they fail, it is reasonable to assume that the health of the user or other persons may be endangered.
TLE4966K revision history: 2007-09 rev. 1.0 previous version: none page subjects (major changes since last revision) we listen to your comments any information within this document that you feel is wrong, unclear or missing at all? your feedback will help us to continuousl y improve the quality of this document. please send your proposal (including a reference to this document) to: sensors@infineon.com
TLE4966K data sheet 4 rev. 1.0, 2007-09 1overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.2 functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.3 pin configuration (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2 general . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.1 block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.2 circuit description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3 maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4 operating range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5 electrical and magnetic parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 field direction definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 6 timing diagrams for the speed and direction outputs . . . . . . . . . . . . 12 7 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 7.1 package marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 7.2 distance between chip and package surface . . . . . . . . . . . . . . . . . . . . . 14 7.3 package outlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 pcb footprint for pg-tsop6-6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
type package TLE4966K pg-tsop6-6-5 high precision hall-effect switch with direction detection TLE4966K data sheet 5 rev. 1.0, 2007-09 1overview 1.1 features ? 2.7 v to 24 v supply voltage operation ? operation from unregulated power supply ? high sensitivity and high stability of the magnetic switching points ? high resistance to mechanical stress by active error compensation ? reverse battery protection (-18 v) ? superior temperature stability ? peak temperatures up to 195c without damage ? low jitter (typ. 1 s) ? digital output signals ? bipolar version ? excellent matching between the 2 hall probes ? hall plate distance 1.45 mm ? direction & speed information ? direction signal switches before the speed signal ? smd package pg-tsop6-6-5 1.2 functional description the TLE4966K is an integrated circuit double hall-effect sensor designed specifically for highly accurate applications. precise magnet ic switching points and high temperature stability are achieved by active compensation circuits and chopper techniques on chip. they provide a speed signal at q2 for every magnetic pole pair and a direction information at q1, which is provided before the speed signal.
TLE4966K overview data sheet 6 rev. 1.0, 2007-09 1.3 pin configuration (top view) aea03645 66 year (y) = 0...9 month (m) = 1...9, o - october n - november d - decembe r s y m 123 4 5 pg-tsop6-6-5 0.15 0.73 0.15 0.8 6 1.45 center of sensitive area speed direction figure 1 pin definition and center of sensitive area table 1 pin definitions and functions pg-tsop6-6-5 pin no. symbol function 1 q2 speed 2 gnd recommended connection to gnd 3 q1 direction 4 v s supply voltage 5 gnd recommended connection to gnd 6 gnd ground
TLE4966K general data sheet 7 rev. 1.0, 2007-09 2 general 2.1 block diagram voltage regulator (reverse polarity protected) oscillator & sequencer bias and compensation circuits filter filter amplifier amplifier direction detection chopped hall probe esd v s q2 comparator with hysteresis q1 gnd chopped hall probe figure 2 block diagram 2.2 circuit description the chopped double hall switch comprises two hall probes, bias generator, compensation circuits, oscillator, and output transistors. the bias generator provides currents for the hall probes and the active circuits. compensation circuits stabilize the temperatur e behavior and reduce technology variations. the active error compensation rejects offsets in signal stages and the influence of mechanical stress to the hall probes caused by molding and soldering processes and other thermal stresses in the package. this chopper technique together with the threshold generator and the comparator ensures high accurate magnetic switching points.
TLE4966K maximum ratings data sheet 8 rev. 1.0, 2007-09 3 maximum ratings table 2 absolute maximum ratings t j = -40c to 150c parameter symbol limit values unit conditions min. max. supply voltage v s -18 r s ? r s ? i s -50 50 ma output voltage v q -0.7 ? i q -50 50 ma junction temperature t j ? t s -40 150 c magnetic flux density b ? unlimited mt note: stresses above those listed here ma y cause permanent damage to the device. exposure to absolute maximum rating condi tions for extended periods may affect device reliability. table 3 esd protection 1) 1) human body model (hbm) tests according to: eos/esd association standard s5.1-1993 and v esd ? 4 kv hbm , r = 1.5 k ? c = 100 pf t a = 25c
TLE4966K operating range data sheet 9 rev. 1.0, 2007-09 4 operating range table 4 operating range parameter symbol limit values unit conditions min. typ. max. supply voltage v s 2.7 r s ? r s ? v q -0.7 ? 18 v junction temperature t j -40 i q 0 ? 10 ma
TLE4966K electrical and magnetic parameters data sheet 10 rev. 1.0, 2007-09 5 electrical and magnetic parameters table 5 electrical characteristics 1) 1) over operating range, unless otherwise specified. typical values correspond to v s = 12 v and t a = 25c parameter symbol limit values unit conditions min. typ. max. supply current i s 4 5.2 7 ma v s = 2.7 v ... 18 v reverse current i sr 0 0.2 1 ma v s = -18 v output saturation voltage v qsat ? 0.3 0.6 v i q = 10 ma output leakage current i qleak ? 0.05 10 v q = 18 v output fall time t f ? 0.2 1 r l = 1.2 k ? c l < 50 pf : t r ? 0.2 1 f osc ? 320 ? khz switching frequency f sw 0 ? 15 2) to operate the sensor at the max. switching frequency, the magnetic signal amplitude must be 1.4 times higher than for static fields. this is due to the -3 db corner frequency of the low pass filter in the signal path. 2) khz delay time 3) systematic delay between magnetic threshold reached and output switching 3) t d ? 13 ? t dc 50 200 1000 ns output jitter 4) jitter is the unpredictable devia tion of the output switching delay 4) t qj ? 1 ? b rep is equivalent to the noise constant 5) b rep ? 40 ? ? b / ? t > 12 mt/ms power-on time 6) time from applying v s t pon ? 13 ? v s d hall ? 1.45 ? mm thermal resistance 7) thermal resistance from junction to ambient 7) r thja ? 100 ? k/w pg-tsop6-6-5
calculation of the ambient temperature (pg-tsop6-6-5 example) v s = 12.0 v, i styp = 5.5 ma, v qsattyp = 0.3 v and 2 x i q = 10 ma : : p dis = 72.0 mw. t a = t j ? ( r thja p dis ) = 175c ? (100 k / w : t a = 167.8c table 6 magnetic characteristics 1) . 1) over operating range, unless otherwise specified. typical values correspond to v s = 12 v parameter symbol t j [c] limit values unit conditions min. typ. max. operate point b op -40 b rp -40 b hys -40 b match -40 b op1 - b op2 and b rp1 - b rp2 magnetic offset b off -40 b op + b rp )/2 temperature compensation of magnetic thresholds tc ? ? -350 ? ppm/c TLE4966K electrical and magnetic parameters data sheet 11 rev. 1.0, 2007-09 note: typical characteristics specify mean values expected over the production spread. field direction definition positive magnetic fields related with so uth pole of magnet to the branded side of package.
TLE4966K timing diagrams for the speed and direction outputs data sheet 12 rev. 1.0, 2007-09 6 timing diagrams for the speed and direction outputs applied magnetic field 90% 10% v q t f t d t r t d b op b rp figure 3 timing definition of the speed signal t dc speed direction t dc t change of direction figure 4 timing definition of the direction signal
n n n n n n s s s s s s rotation direction tle 4966 branded side of ic TLE4966K timing diagrams for the speed and direction outputs data sheet 13 rev. 1.0, 2007-09 figure 5 definition of the direction signal rotation direction state of direction output v q1 left to right low right to left high
TLE4966K package information data sheet 14 rev. 1.0, 2007-09 7 package information 7.1 package marking aea03645 66 year (y) = 0...9 month (m) = 1...9, o - october n - november d - december s y m figure 6 marking pg-tsop6-6-5 7.2 distance between chip and package surface branded side d mm ?0.1 0.56 figure 7 distance chip to upper side of ic
TLE4966K package information data sheet 15 rev. 1.0, 2007-09 7.3 package outlines 1.6 ?.1 2.6 max. 1.1 max. acc. to din 6784 +0.2 0.1 max. (2.25) +0.1 -0.05 0.35 (0.35) gpx09300 10 ? max. 10 ? max. 2.9 ?.2 b 0.2 m b 6x 0.95 1.9 a 0.2 a m 0.15 +0.1 -0.06 3 2 1 4 5 6 figure 8 pg-tsop6-6-5 (plastic thin small outline package) pcb footprint for pg-tsop6-6-5 the following picture shows a reco mmendation for the pcb layout. 0.5 0.95 1.9 2.9 hlg09283 remark: wave soldering possible dep. on customers process conditions figure 9 footprint pg-tsop6-6-5 you can find all of our packages, sorts of packing and others in our infineon internet page ?products?: http://www.infineon.com/products . dimensions in mm
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