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data sheet, v 2.0, february 2009 TLE4966L high precision hall-effect switch with direction detection sensors
edition 2009-02 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 regard ed as a guarantee of conditions or characteristics. with respect to any examples or hints given herein, any typical values stated herein and/or any information regarding the application of the device, infineon technologies hereby discla ims any and all warranties and liabilities of any kind, including without limitation, warrant ies 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-support devices or systems only with the express written approval of infi neon technologies, if a failure of such components can reasonably be expected to caus e the failure of that life-support device or system or to affect the safety or effect iveness of that device or system. life support devices or systems are intended to be implant ed 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.
TLE4966L revision history: 2009-02 v 2.0 previous version: v 1.2 page subjects (major changes since last revision) tle4966h removed 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
TLE4966L data sheet 4 v 2.0, 2009-02 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
type package TLE4966L pg-sso-4-1 high precision hall-effect switch with direction detection TLE4966L data sheet 5 v 2.0, 2009-02 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 1.2 functional description the TLE4966L is an integrated circuit double ha ll-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. the ic provides a speed signal at q2 for every magnetic pole pair and a direction information at q1, which is provided before the speed signal.
TLE4966L overview data sheet 6 v 2.0, 2009-02 1.3 pin configuration (top view) 1234 pg-sso-4-1 1.45 center of sensitive area 0. 1 1.53 0 .1 2.67 speed direction figure 1 pin definition and center of sensitive area table 1 pin definitions and functions pin no. symbol function 1 v s supply voltage 2 q1 direction 3 q2 speed 4 gnd ground
TLE4966L general data sheet 7 v 2.0, 2009-02 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.
TLE4966L maximum ratings data sheet 8 v 2.0, 2009-02 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 -18 -18 18 24 26 v for 1 h, r s 200 for 5 min, r s 200 supply current through protection device i s -50 50 ma output voltage v q -0.7 -0.7 18 26 v for 5 min @ 1.2 k pull up continuous output current i q -50 50 ma junction temperature t j ? ? ? ? 155 165 175 195 c for 2000 h (not additive) for 1000 h (not additive) for 168 h (not additive) for 3 x 1 h (additive) storage temperature 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 mil. std. 883d method 3015.7 parameter symbol limit values unit notes min. max. esd voltage v esd ? 4 kv hbm , r = 1.5 k , c = 100 pf t a = 25c
TLE4966L operating range data sheet 9 v 2.0, 2009-02 4 operating range table 4 operating range parameter symbol limit values unit conditions min. typ. max. supply voltage v s 2.7 ? ? ? ? ? 18 24 26 v 1 h with r s 200 for 5 min r s 200 output voltage v q -0.7 ? 18 v junction temperature t j -40 ? ? ? 150 175 c for 168 h output current i q 0 ? 10 ma
TLE4966L electrical and magnetic parameters data sheet 10 v 2.0, 2009-02 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 a for v q = 18 v output fall time t f ? 0.2 1 s r l = 1.2 k ; c l < 50 pf see: figure 3 on page 12 output rise time t r ? 0.2 1 s chopper frequency 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 ? s count signal delay t dc 50 200 1000 ns output jitter 4) jitter is the unpredictable devia tion of the output switching delay 4) t qj ? 1 ? s rms typ. value for square- wave signal 1 khz repeatability of magnetic thresholds 5) b rep is equivalent to the noise constant 5) b rep ? 40 ? t rms typ. value for b / t > 12 mt/ms power-on time 6) time from applying v s 2.7 v to the sensor until the output state is valid 6) t pon ? 13 ? s v s 2.7 v distance of hall plates d hall ? 1.45 ? mm thermal resistance 7) thermal resistance from junction to ambient 7) r thja ?- - ?190 k/w pg-sso-4-1
calculation of the ambient temperature: e.g. for v s = 12.0 v, i styp = 5.5 ma, v qsattyp = 0.3 v and 2 x i q = 10 ma : power dissipation: p dis = 72.0 mw. in t a = t j ? ( r thja p dis ) = 175c ? (190 k/w 0.072 w) resulting max. ambient temperature: t a = 161.3c 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 25 150 5.2 5.0 4.7 7.7 7.5 7.1 10.3 10.0 9.5 mt release point b rp -40 25 150 -10.3 -10.0 -9.5 -7.7 -7.5 -7.1 -5.2 -5.0 -4.7 mt hysteresis b hys -40 25 150 ? 10.0 ? ? 15.0 ? ? 20.0 ? mt magnetic matching b match -40 25 150 ? -2.0 ? ? 0 ? ? 2.0 ? mt valid for b op1 - b op2 and b rp1 - b rp2 magnetic offset b off -40 25 150 ? -2.0 ? ? 0 ? ? 2.0 ? mt ( b op + b rp )/2 temperature compensation of magnetic thresholds tc ? ? -350 ? ppm/c TLE4966L electrical and magnetic parameters data sheet 11 v 2.0, 2009-02 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.
TLE4966L timing diagrams for the speed and direction outputs data sheet 12 v 2.0, 2009-02 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 tle4966 branded side of ic TLE4966L timing diagrams for the speed and direction outputs data sheet 13 v 2.0, 2009-02 figure 5 definition of the direction signal rotation direction state of direction output v q1 left to right low right to left high
TLE4966L package information data sheet 14 v 2.0, 2009-02 7 package information 7.1 package marking figure 6 marking pg-sso-4-1 year (yy) = 00 ... 99 calendar week (ww) = 01 ... 52 yyww 4966b s aep03646 figure 7 marking 7.2 distance between chip and package surface aea03255 branded side d d: distance to upper side of ic p-sso-4-1: ?.1 0.3 mm figure 8 distance chip to upper side of ic
TLE4966L package information data sheet 15 v 2.0, 2009-02 7.3 package outlines figure 9 pg-sso-4-1 6.35 ?.4 12.7 ?.3 ?.3 4 1 x 45? 12.7 ? -0.1 1 0.25 ?.05 7? 7? 0.2 +0.1 adhesive ?.5 6 1 -1 ?.5 18 tape 0.39 ?.1 -0.15 0.25 9 ?.5 23.8 +0.75 -0.5 38 max. 1 max. 3.38 3.71 (0.25) ?.08 ?.06 1.9 max. 5.16 ?.08 5.34 ?.05 0.1 max. (14.8) 1) 1.27 1.27 3.81 = 3 x 2 a a 1) no solder function area total tolerance at 10 pitches ? (useable length) tape ?? 14 0.2 ?.05 0.4 0.6 max. 4x 0.5 code code code 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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