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auips6121r 1 www.irf.com ? 201 5 international rectifier submit datasheet feedback june 23 , 2015 automotive grade current sense high side switch features ? suitable for 12v systems ? over current shutdown ? over temperature shutdown ? current sensing ? active clamp ? low current ? reverse battery ? esd protection ? optimized turn on/off for emi applications ? glow plug ? ptc description the auips6121r is a fully protected four terminal high side switch . it features current sensing, over - current, over - temperature, esd protection and drain to source active clamp. shutdown type of protection provides a good reliability under short circuit condition. the ifb pin provides both an analog feedback during norma l operation and a digital flag when the part is in protection mode. product summary rds(on) 5.8 m ? max. vclamp 39 v typ . current shutdown 6 5 a min . package dpak C 5leads ordering information base part number package type standard pack complete part number form quantity auips 6 1 21 r d - pak - 5 - leads tube 7 5 auips6 1 21 r tape and reel left 3 000 auips6 1 21 rt r l
2 www.irf.com ? 20 15 international rectifier submit datasheet feedback june 23 , 2015 typical connection * the diode on the bipolaire npn is necessary for reverse battery protection. * out aui ps61 21r i n rifb vcc load battery input power ground ifb logic ground current fee d back 10k on off
3 www.irf.com ? 20 15 international rectifier submit datasheet feedback june 23 , 2015 absolute maximum ratings absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. (tambient=25c unless otherwise specified). symbol parameter min. max. units vout maximum output voltage vcc - 39 vcc+0.3 v vcc - vin max. maximum vcc voltage - 18 39 iifb, max. maximum feedback current - 50 10 ma vcc sc maximum vcc voltage with short circuit protection see page 7 ? ? thermal characteristics symbol parameter typ. max. units rth1 thermal resistance junction to ambient dpak std footprint 70 ? c/w rth2 thermal resistance junction to ambient dpak 6cm2 footprint 50 ? rth3 thermal resistance junction to case dpak 1. 2 ? recommended operating conditions these values are given for a quick design. symbol parameter min. max. units iout continuous output current, tambient=85c, tj=150c ? ?
4 www.irf.com ? 20 15 international rectifier submit datasheet feedback june 23 , 2015 static electrical characteristics tj= - 40c ..150c, vcc=6..18v (unless otherwise specified) symbol parameter min. typ. max. units test conditions vcc op. operating voltage range 5.8 ? ? ? ? ? ? 1 3 iin on input current when device on 1 2.7 6 ma vcc - vin=14v v clamp vcc to vout clamp voltage 37 39 44 v id= 20 ma vih(1) high level input threshold voltage 4.5 5.4 6.2 vil(1) low level input threshold voltage 4 5 5.8 rds(on) rev reverse on state resistance tj=25c ? 6 8 m ? ? 0.8 0.9 v if=10a forward body diode voltage tj=125c ? 0.6 0.8 rin input resistor 115 20 0 300 ? switching electrical characteristics vcc=14v, resistive load=1 ? , tj=25c symbol parameter min. typ. max. units test conditions t don turn on delay time 20 50 150 s see fig. 1 t r rise time from 20% to 80% of vcc 15 35 100 t doff turn off delay time 20 100 250 t f fall time from 80% to 20% of vcc 15 35 100 protection characteristics tj= - 40c..150c, vcc=6..18v (unless otherwise specified) symbol parameter min. typ. max. units test conditions tsd over temperature threshold(2) 150 165 ? current sensing characteristics tj= - 40c..150c, vcc=6..18v (unless otherwise specified), vcc - vifb> 3.5v symbol parameter min. typ. max. units test conditions ratio i load / ifb current ratio 5000 6300 7600 iload=60a at vcc=14v, iload=30a at vcc=6v , after 1.5 ms,see page 7 ratio_cold ratio drift between 25c to - 40c - 6.6 - 2.2 2.1 % ratio@ - 40/ratio@25 ratio_hot ratio drift between 25c to 125c - 1.6 3 7. 7 ratio@125/ratio@25 i offset load current offset - 0.15 0 0.15 a a fter 1.5 ms ifb leakage ifb leakage current 0 0.5 25 a iout=0a, vcc - vin=14v
5 www.irf.com ? 20 15 international rectifier submit datasheet feedback june 23 , 2015 lead assignments functional block diagram all values are typical diag charge pump driver ifb out vcc 75v 200 ? tj> 165c iout> 90 a 36v 40v - + 75 v in set reset latch q 2.7ma + - vih=5.4v reverse battery protection vcc - vin 6 www.irf.com ? 20 15 international rectifier submit datasheet feedback june 23 , 2015 truth table operating voltage maximum vcc voltage : this is the maximum voltage before the breakdown of the ic process. operating voltage : this is the vcc range in which the functionality of the part is guaranteed. the aec - q100 qualification is run at the maximum operating voltage specified in the datasheet. reverse battery during the reverse battery the mosfet is turned on if the input pin is powered with a diode in parallel of the input transistor. power dissipation in the ips : p = rdson rev * i load2 + vcc2 / 20 0ohm ( internal input resistor ). if the power dissipation is too high in rifb, a diode in serial can be added to block the current. active clamp the purpose of the active clamp is to limit the voltage across the mosfet to a value below the body diode break down voltage to reduce the amount of stress on the device during switching. the temperature inc rease during active clamp can be estimated as follows: where: is the thermal impedance at t clamp and can be read from the thermal impedance curves given in the data sheets. : power dissipat ion during active clamp : typical v clamp value : average current during active clamp : active clamp duration : demagnetization current figure 9 gives the maximum inductance versus the load current in the worst case: the part switches off after an over temperature detection. if the load inductance exceeds the curve, a freewheeling diode is required. over - current protection the threshold of the over - current protecti on is set in order to guarantee that the device is able to turn on a load with an inrush current lower than the minimum of isd. nevertheless for high current and high temperature the device may switch off for a lower current due to the over - temperature pro tection. op. conditions input output ifb pin voltage normal mode h l 0v normal mode l h i load x rfb / ratio open load h l 0v open load l h ifb leakage x rifb short circuit to gnd h l 0v short circuit to gnd l l i fault x rifb(latched) over temperature h l 0v over temperature l l i fault x rifb (latched) ) t ( z p clamp th cl tj ? ? ? ) t ( z clamp th clavg cl cl i v p ? ? v v cl 39 ? 2 i i cl clavg ? dt di i t cl cl ? l v v dt di cl battery ? ?
7 www.irf.com ? 20 15 international rectifier submit datasheet feedback june 23 , 2015 current sensing accuracy the current sensing is specified by measuring 3 points : - ifb1 for iout1 - ifb2 for iout2 - ifb leakage for iout=0 the parameters in the datasheet are computed with the following formula : ratio = ( iout2 C iout1 )/( ifb2 C ifb1) i offset = ifb1 x ratio C iout1 this allows the designer to evaluate the ifb for any iout value using : ifb = ( iout + i offset ) / ratio if ifb>ifb leakage for some applications, a calibration is required. in tha t case, the accuracy of the system will depends on the variation of the i offset and the ratio over the temperature range. the ratio variation is given by ratio_ hot and ratio_cold specified in page 4. the ioffset variation depends directly on the rdson: i offset@ - 40c= i offset@25c / 0.8 i offset@150c= i offset@25c / 1.9 maximum vcc voltage with short circuit protection the maximum vcc voltage with short circuit is the maximum voltage for which the part is able to protect itself under test conditions re presentative of the application. 2 kind of short circuits are considered: terminal and load short circuit. l sc r sc terminalsc 0.1 h 10 mohm loadsc l supply + l sc = 5 h 100 mohm iout ifb ifb leakage ifb2 ifb1 iout2 iout1 i offset out ips vcc l sc l supply 5h r supply 10mohm r sc
8 www.irf.com ? 20 15 international rectifier submit datasheet feedback june 23 , 2015 over p ower shut down protection the auips6121r integrates an over - power protection in order to limit the thermal stress in the mosfet during certain conditions like overload or under voltage. the power is measured by monitoring the voltage between vcc and source. the device latches more quickly when the power is higher. when the device is latched : vrc is discharge with a n internal constant (psd rst) . typical in low voltage condition with a short circuit on the output, the voltage on the vcc pin will oscillate around the under voltage protection and the ' over - current shut down ' will not be triggered. the ' over p ower shut down' protection will turn off the part after the time psd_uv ' for preventing thermal stress of the device. 0 5 10 15 20 25 30 35 40 0 1 2 3 4 vcc - source (v) over power shut down time (ms) out vcc + - vref c r current proportional of vds value vrc psd_uv when vrc>vref : t he device latches ifb i out vin - gnd isdf ifault vcc - out v in p sd_uv out a uips6121r in rifb vcc battery input power ground ifb logic ground current fee d back 10k on off l r
9 www.irf.com ? 20 15 international rectifier submit datasheet feedback june 23 , 2015 figure 3 C protection timing diagram tj, junction temperature (c) figure 4 C icc off (a) vstj (c) icc off, supply leakage current (a) figure 1 C in rise time & switching definitions figure 2 C active clamp waveforms 0 5 10 15 20 25 30 -50 0 50 100 150 tj tsd 165c ids vin i shutdown tshutdown vifb v fault vds ids vcc - vin vcc vds clamp t clamp see application notes to evaluate power dissipation vout vcc - vin 80% 20% 80% 20% td on tr td off tf
10 www.irf.com ? 20 15 international rectifier submit datasheet feedback june 23 , 2015 figure 8 C transient thermal impedance (c/w) vs time (s) zth, transient thermal impedance (c/w) time (s) tj, junction temperature (c) vih and vil (v) figure 6 C vih and vil (v) vstj (c) figure 5 C icc off (a) vsvcc - vin (v) vcc - vin, supply voltage (v) iccoff, supply current (a) rds(on), drain - to - source on resistance (normalized) figure 7 - normalized rds(on) (%) vs tj (c) tj, junction temperature (c) 0 1 2 3 4 5 6 0 10 20 30 0 1 2 3 4 5 6 -50 -25 0 25 50 75 100 125 150 vih vil 0.01 0.1 1 10 100 1e - 5 1e - 4 1e - 3 1e - 2 1e - 1 1e+0 1e+1 1e+2 1e+3 50% 100 % 150 % 200 % -50 0 50 100 150
11 www.irf.com ? 20 15 international rectifier submit datasheet feedback june 23 , 2015 inductance (mh) figure 10 C tsd (s) vs i out (a) smd with 6cm2 iout, output current (a) tsd, time to shutdown(s) 1 10 100 1.e-03 1.e-02 1.e-01 1.e+00 1.e+01 0.0001 0.001 0.01 0.1 1 10 100 0 10 20 30 40 50 60 70 80 90 '-40c '+25c '+125c figure 9 C max. iout (a) vs inductance (mh) max. output current (a)
12 www.irf.com ? 20 15 international rectifier submit datasheet feedback june 23 , 2015 case outline 5 lead C dpak note: for the most current drawings please refer to the ir website at: http://www.irf.com/package/
13 www.irf.com ? 20 15 international rectifier submit datasheet feedback june 23 , 2015 tape & reel 5 lead C dpak note: for the most current drawings please refer to the ir website at: http://www.irf.com/package/
14 www.irf.com ? 20 15 international rectifier submit datasheet feedback june 23 , 2015 part marking information qualification information ? qualification level automotive (per aec - q100) comments: this family of ics has passed an automotive qualification. irs industrial and consumer qualification level is granted by extension of the higher automotive level. moisture sensitivity level dpak - 5l msl 2 , 260c (per ipc/jedec j - std - 020) esd machine model class m3 (+/ - 300v) (per aec - q100 - 003 ) human body model class 2 (+/ - 3000v) ( per aec - q100 - 002 ) charged device model class c 6 (+/ - 1000v) (per aec - q100 - 011 ) ic latch - up test class ii (per aec - q100 - 004) rohs compliant yes ? qualification standards can be found at international rectifiers web site http://www.irf.com/
15 www.irf.com ? 20 15 international rectifier submit datasheet feedback june 23 , 2015 important notice unless specifically designated for the automotive market, international rectifier corporation and i ts subsidiaries (ir) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or services without notice. part numbers designated with the a u prefix follow automotive industry and / or customer specific requirements with regards to product discontinuance and process change notification. all products are sold subject to irs terms and conditions of sale supplied at the time of order acknowledg ment. ir warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with irs standard warranty. testing and other quality control techniques are used to the extent ir deems necessary to support this warranty. except where mandated by government requirements, testing of all parameters of each product is not necessarily performed. ir assumes no liability for applications assistance or custome r product design. customers are responsible for their products and applications using ir components. to minimize the risks with customer products and applications, customers should provide adequate design and operating safeguards. reproduction of ir infor mation in ir data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties, conditions, limitations, and notices. reproduction of this information with alterations is an unfair and dece ptive business practice. ir is not responsible or liable for such altered documentation. information of third parties may be subject to additional restrictions. resale of ir products or serviced with statements different from or beyond the parameters st ated by ir for that product or service voids all express and any implied warranties for the associated ir product or service and is an unfair and deceptive business practice. ir is not responsible or liable for any such statements. ir products are not de signed, intended, or authorized for use as components in systems intended for surgical implant into the body, or in other applications intended to support or sustain life, or in any other application in which the failure of t he ir product could create a si tuation where personal injury or death may occur. should buyer purchase or use ir products for any such unintended or unauthorized application, buyer shall indemnify and hold international rectifier and its officers, employees, subsidiaries, affiliates, a nd distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim al leges that ir was negligent regarding the design or manufacture of the product. ir products are neither designed nor intended for use in military/aerospace applications or environments unless the ir products are specifically designated by ir as military - g rade or enhanced plastic. only products designated by ir as military - grade meet military specifications. buyers acknowledge and agree that any such use of ir products which ir has not designated as military - grade is solely at the buyers risk, and that they are solely responsible for compliance with all legal and regulatory requirements in connection with such use. ir products are neither designed nor intended for use in automotive applications or environments unless the specific ir products are design ated by ir as compliant with iso/ts 16949 requirements and bear a part number including the designation au. buyers acknowledge and agree that, if they use any non - designated products in automotive applications, ir will not be responsible for any failure to meet such requirements. for technical support, please contact irs technical assistance center http://www.irf.com/technical - info/ world headquarters: 101 n sepulv eda blvd., el segundo, california 90245 tel: (310) 252 - 7105

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