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july 2009 doc id 12730 rev 6 1/31 1 vnq5027ak-e quad channel high si de driver with analog current sense for automotive applications features output current: 42a 3.0 v cmos compatible input current sense disable proportional load current sense undervoltage shut-down overvoltage clamp thermal shutdown current and power limitation very low standby current protection against loss of ground and loss of v cc very low electromagnetic susceptibility optimized electromagnetic emission reverse battery protection (see application schematic on page 20 ) in compliance with the 2002/95/ec european directive package: ecopack ? applications all types of resistive, inductive and capacitive loads suitable as led driver description the vnq5027ak-e is a monolithic device made using stmicroelectronics vipower technology. it is intended for driving re sistive or inductive loads with one side connected to ground. active v cc pin voltage clamp protects the device against low energy spikes (see iso7637 transient compatibility table). this device integrates an analog current sense which delivers a current proportional to the load current (according to a known ratio) when cs_dis is driven low or left open. when cs_dis is driven high, the current sense pin is in a high impedance condition. output current limitation protects the device in overload condition. in case of long overload duration, the device limits the dissipated power to safe level up to thermal shut-down intervention. thermal shut-down with automatic restart allows the device to recover normal operation as soon as fault condition disappears. max supply voltage v cc 41v operating voltage range v cc 4.5 to 36 v max on-state resist ance (per ch.) r on 27 m current limitation (typ) i limh 42 a off-state supply current i s 2 a (1) 1. typical value with all loads connected. powersso-24 table 1. device summary package order codes tube tape and reel powersso-24 vnq5027ak-e VNQ5027AKTR-E www.st.com
contents vnq5027ak-e 2/31 doc id 12730 rev 6 contents 1 block diagram and pin co nfiguration . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.1 absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.2 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.3 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.4 electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 3 application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 3.1 gnd protection network against reverse battery . . . . . . . . . . . . . . . . . . . 20 3.1.1 solution 1: resistor in the ground line (rgnd only) . . . . . . . . . . . . . . . . 20 3.1.2 solution 2: a diode (dgnd) in the ground line . . . . . . . . . . . . . . . . . . . 21 3.2 load dump protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.3 mcu i/os protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.4 maximum demagnetization energy (vcc = 13.5v) . . . . . . . . . . . . . . . . . 23 4 package and pc board thermal da ta . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 4.1 powersso-24? thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 5 package and packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 5.1 ecopack? packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 5.2 powersso-24? mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 5.3 packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 6 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 vnq5027ak-e list of tables doc id 12730 rev 6 3/31 list of tables table 1. device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 table 2. pin functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 table 3. suggested connections for unused and not connected pins . . . . . . . . . . . . . . . . . . . . . . . . 6 table 4. absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 table 5. thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 table 6. power section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 table 7. switching (vcc=13v; tj= 25c) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 table 8. current sense (8v vnq5027ak-e block diagram and pin configuration doc id 12730 rev 6 5/31 1 block diagram and pin configuration figure 1. block diagram table 2. pin functions name function v cc battery connection. output n power output. gnd ground connection. must be reverse battery protected by an external diode / resistor network. input n voltage controlled input pin with hyster esis, cmos compatible. controls output switch state. current sense n analog current sense pin, delivers a current proportional to the load current. cs_dis active high cmos compatible pin to disable the current sense pin. logic undervoltage overtemp. 1 i lim 1 pwclamp 1 i out1 gnd input1 v cc output1 current sense1 driver 1 v cc clamp v dslim 1 output2 current sense2 cs_dis input3 k 1 pwr lim 1 input2 input4 control & protection equivalent to channel1 input2 current v cc output3 input3 current v cc output4 input4 current v cc current sense3 current sense4 sense2 sense3 sense4 control & protection equivalent to channel1 control & protection equivalent to channel1 block diagram and pin configuration vnq5027ak-e 6/31 doc id 12730 rev 6 figure 2. configuration diagram (top view) table 3. suggested connections for unused and not connected pins connection / pin current sense n.c. output input cs_dis floating n.r. (1) 1. not recommended. xx x x to ground through 1 k resistor xn.r. through 10 k resistor through 10 k resistor input2 current sense2 gnd v cc input1 current sense1 cs_dis. v cc current sense3 input3 input4 current sense4 output2 output2 output1 output1 output1 output2 output4 output4 output3 output3 output3 output4 ta b = v cc vnq5027ak-e electrical specifications doc id 12730 rev 6 7/31 2 electrical specifications figure 3. current and voltage conventions note: v fn = v outn - v cc during reverse battery condition. 2.1 absolute maximum ratings stressing the device above the ratings listed in the ?absolute maximum ratings? tables may cause permanent damage to the device. these are stress ratings only and operation of the device at these or any other conditions above those indicated in the operating sections of this specification is not implie d. exposure to the conditions in this section for extended periods may affect device reliability. refer al so to the stmicroelectronics sure program and other relevant quality documents. v fn i s i gnd v cc v cc outputn inputn v inn v sensen gnd cs_dis i csd v csd i inn current s ensen v outn i outn i sensen table 4. absolute maximum ratings symbol parameter value unit v cc dc supply voltage 41 v -v cc reverse dc supply voltage 0.3 v - i gnd dc reverse ground pin current 200 ma i out dc output current internally limited a - i out reverse dc output current 24 a i in dc input current -1 to 10 ma i csd dc current sense disable input current -1 to 10 ma -i csense dc reverse cs pin current 200 ma v csense current sense maximum voltage v cc -41 +v cc v v e max maximum switching energy (single pulse) (l=0.8 mh; r l =0 ; v bat =13.5v; t jstart =150oc; i out = i liml (typ.)) 140 mj electrical specifications vnq5027ak-e 8/31 doc id 12730 rev 6 2.2 thermal data v esd electrostatic discharge (human body model: r=1.5k ; c=100pf) ? input ? current sense ?cs_dis ? output ?v cc 4000 2000 4000 5000 5000 v v v v v v esd charge device model (cdm-aec-q100-011) 750 v t j junction operating temperature - 40 to 150 c t stg storage temperature - 55 to 150 c table 4. absolute maximum ratings (continued) symbol parameter value unit table 5. thermal data symbol parameter max value unit r thj-case thermal resistance junction-case (with one channel on) 1.35 c/w r thj-amb thermal resistance junction-ambient see figure 29. c/w vnq5027ak-e electrical specifications doc id 12730 rev 6 9/31 2.3 electrical characteristics values specified in this section are for 8 v |