1/9 xc3202b series low power consumption hall ic (magnetic sensor) etr2602-005a a pplications cover detectors mobile phones electronic dictionaries portable game consoles home electronics (refrigerator s, washing machines etc) typical application circuit typical performance characteristics supply current (avg) vs. ambient temperature features supply voltage range : 2.4~5.5v average supply current : 8 a operating point : south pole 3mt(typ.) north pole -3mt(typ.) release point : south pole 2mt(typ.) north pole -2mt(typ.) hysteresis width : south pole 1mt(typ.) north pole 1mt(typ.) packages : sot-23d qfn-0601 environmentally friendly : eu rohs compliant, pb free general description the xc3202b series is a hall effect magnetic sensor ic with a built-in cmos output driver. the device features low power consumption and small packaging which is ideally suited for ba ttery powered portable applications such as mobile phones, electronic dictionaries and handheld game consoles. when the ma gnetic flux density is higher than the operating point (bop), the low level signal is output. the high level signal is output when the magnetic flux density is lower than the release point (brp). recommendation value: 10nf 100nf c: capacitor to stabilize input voltage and decrease noise. 0 10 20 30 40 -40-200 20406080100 ambient temperature:ta ( ) average supply current:i dd ( a vin=5.5v 3.0v 2.4v output v dd v out v ss xc 3202
2/9 xc3202b series pin number sot-23d qfn-0601 pin name function 1 1 v dd power input 2 3 v out output pin 3 5 v ss ground - 2,4,6 nc no connection designator item symbol description product type b cmos output ?? product no. 183 based on the internal standard mr-g sot-23d (3,000/reel) ?- packages (order unit) zr-g qfn-0601 (3,000/reel) pin configuration pin assignment product classification ordering information xc3202 ?????- ( * 1) (*1) the ?-g? suffix indicates that the products are hal ogen and antimony free as well as being fully rohs compliant.
3/9 xc3202b series parameter symbol ratings units supply voltage v dd 7 v magnetic flux density b unlimited - operating temperature range topr -40 +85 storage temperature range tstg -55 +150 sot-23d 150 power dissipation qfn-0601 pd 120 mw maximum junction temperature tjc 125 maximum output current i out 40 ma parameter symbol conditons min. typ. max. units circuit output on voltage (high) v out_h v dd =3v, i out =-1ma v dd -0.2 - - output on voltage (low) v out_l v dd =3v, i out =1 a - - 0.1 v i dd (en) v dd =3v - 3 6 ma i dd (dis) v dd =3v - 5 10 a supply current i dd (avg) v dd =3v - 8 16 a detection time (*1) t_awake v dd =3v - 75 150 s detection period (*1) t_period v dd =3v - 75 150 ms duty cycle dty - 0.1 - % power supply voltage v dd 2.4 - 5.5 v block diagrams a bsolute maximum ratings ta = 2 5 ta = 2 5 v out v ss logical latch latch v dd hall plate amp hall plate amp power switch (*1) this ic should be used within the stated abs olute maximum ratings in order to prevent damage. (*1) normal operation starts 150ms later from the supply voltage (v dd =2.4 5.5v) (*2) for supply current, detection time, and det ection period, please refer to the below. electrical characteristics t_awake t_period i dd en) IO???`g???M?p?? ?rg???????rg hall plate,latch ???? ???? i dd dis) the hall ic is operated intermittent ly to reduce supply current. measurement is done during detection time, in the rest period sens ing circuits of hall plate and latch are turned off to minimi ze the current.
4/9 xc3202b series magnetic state characteristics operational parameter symbol min. typ. max. units circuit operating magnetic flux density: south pole bops 2 3 4 mt operating magnetic flux density: north pole bopn -4 -3 -2 mt release magnetic flux density: south pole brps 1 2 - mt release magnetic flux density: north pole brpn - -2 -1 mt hysteresis width bhy(bop-brp) 0.5 1 - mt ta = 2 5 , v dd =3v, 1mt=10gauss timing chart *1: when the magnetic flux density to the ic becomes larger than bop, the ic goes into an on-state and outputs a low signal (v out =low) at the leading edge of the next ?tawake? pulse. *2: when the magnetic flux density to the ic becomes lower than brp, the ic goes into an off-state and outputs a high signal (v out =high) at the leading edge of the next ?tawake? pulse. during the other periods, the previous state is maintained. operating by flux density v out t_awake time t_period time time i dd bop b high low 1 time i dd brp b v out high low 2 t_awake time t_period time the ic hall plates detect the per pendicular magnetic field so t hat ic surface should be placed in a direction perpendicular t o the magnetic field. bhy bopn brpn 0 off v dd 0 off on (off-state) (on-state) output voltage v dd on (off-state) (on-state) bops brps bhy north pole magnetic flux density south pole magnetic flux density output voltage * characteristics values are g uaranteed in desi g n. the values ma y be affected b y the conditions such as tem p erature and mountin g . magnetic field and detect surface
5/9 xc3202b series notes on use 1. the magnetic flux density will be changed when an external capacitor (c in ) is connected between v dd and v ss . north pole magnetic flux density -4.0 -3.5 -3.0 -2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.001 0.01 0.1 1 10 ceramic capacitor cin( f) magnetic flux density(mt) vin=3v,ta= 2 5 operating release south pole magnetic flux density 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0.001 0.01 0.1 1 10 ceramic capacitor cin( f) magnetic flux density(mt) vin= 3v,ta=25 operating release 2. please use this ic within the stated maximum ratings. fo r temporary, transitional volta ge drop or voltage rising phenomenon , the ic is liable to malfunction should the ratings be exceeded. 3. torex places an importance on im proving our products and its reliability. however, by any possibility, we would request user fail-safe design and post-aging treatment on system or equipment. north pole magnetic flux density vs. input capacitance (c in ) south pole magnetic flux density vs. input capacitance (c in )
6/9 xc3202b series test circuits y 1 1.v dd 3.v out 2.v ss v a y 2 1.v dd 3.v out 2.v ss osc : oscilloscope osc y 3 bcoil vcoil 1.v dd 3.v out 2.v ss osc osc: oscilloscope circuit circuit circuit
7/9 xc3202b series packaging information sot-23d qfn-0601 2.0 -0.05 +0.075 2.0 -0.05 +0.075 0.60.03 0 0.05 1pin indent 1.550.1 0.860. 1 0.350.05 2 0.250.05 (0.65) 13 4 5 6 0.4 +0.1 -0.05 3 2 1 1.60.1 (1.9) 3.00.1 2.850.15 1.150.15 00.1 0.450.1 0.150.05 (0.95) sensor position sensor position 0.43mm 0.65mm 1.0mm 0.8 1.5 3 2 1 0.65
8/9 xc3202b series sot-23d / qfn-0601 represents product series mark products series 2 xc3202******-g represents product registration. mark products series 3 xc3202b183 represents a least significant digit of production year (ex.) mark production year 0 2010 1 2011 represents production month. mark production month mark production month mark production month a january e may j september b february f june k october c march g july l november d april h august m december represents production lot number. a z repeated. (g, i, j, o, q, w excluded) marking rule 1pin dfn2020-6(qfn-0601)(_k) sc59(sot-23d) 12 3 qfn-0601 sot-23d
9/9 xc3202b series 1. the products and product specifications cont ained herein are subject to change without notice to improve performance characteristic s. consult us, or our representatives before use, to confirm that the informat ion in this datasheet is up to date. 2. we assume no responsibility for any infri ngement of patents, pat ent rights, or other rights arising from the use of any information and circuitry in this datasheet. 3. please ensure suitable shipping controls (including fail-safe designs and aging protection) are in force for equipment employing products listed in this datasheet. 4. the products in this datasheet are not devel oped, designed, or approved for use with such equipment whose failure of malfuncti on can be reasonably expected to directly endanger the life of, or cause significant injury to, the user. (e.g. atomic energy; aerospace; transpor t; combustion and associated safety equipment thereof.) 5. please use the products listed in this datasheet within the specified ranges. should you wish to use the products under conditions exceeding the specifications, please consult us or our representatives. 6. we assume no responsibility for damage or loss due to abnormal use. 7. all rights reserved. no part of this dat asheet may be copied or reproduced without the prior permission of torex semiconductor ltd.
|
