71812 sy/d1411 sy 20111205-s00003/33110 sy / n1908 ms / o2208 ms pc no.a1340-1/6 http://onsemi.com semiconductor components industries, llc, 2013 june, 2013 LV8405V overview lv8405t is a 2ch forward/reverse motor driver ic using d-mos fet for output stage. as mos circuit is used, it supports the pwm input. its features are that the on resistance (0.75 typ) and current dissipation are low. it also provides protection functions such as heat protection circuit and reduced voltage detection and is optimal for the motors that need high-current. functions ? 2ch forward/reverse motor driver. ? built-in low voltage reset and thermal shutdown circuit. ? low power consumption. ? four mode function forward/reverse, brake, stop. ? low on resistance 0.75 . ? built-in charge pump. specifications maximum ratings at ta = 25 c, sgnd = pgnd = 0v parameter symbol conditions ratings unit power supply voltage (for load) vm max -0.5 to 16.0 v power supply voltage (for control) v cc max -0.5 to 6.0 v output current i o max 1.4 a output peak current i o peak t 10ms 2.5 a input voltage v in max -0.5 to v cc +0.5 v allowable power dissipation pd max mounted on a specified board* 800 mw operating temperature topr -30 to +85 c storage temperature tstg -55 to +150 c * specified board : 114.3mm 76.1mm 1.6mm, glass epoxy board. caution 1) absolute maximum ratings represent the va lue which cannot be exceeded for any length of time. caution 2) even when the device is used within the range of abso lute maximum ratings, as a result of continuous usage under hig h temperature, high current, high voltage, or drastic temperature change, the reliability of th e ic may be degraded. please contact us for the further detai ls. bi-cmos ic 2ch forward/reverse motor driver orderin g number: ena1340d stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above the recommended oper ating conditions is not implied. extended exposure to stresses above the recommended operating conditions may affect device reliabili ty.
LV8405V no.a1340-2/6 allowable operating conditions at ta = 25 c, sgnd = pgnd = 0v parameter symbol conditions ratings unit power supply voltage (vm pin) vm 1.5 to 15.0 v power supply voltage (v cc pin) v cc 2.8 to 5.5 v input signal voltage v in 0 to v cc v input signal frequency f max 200 khz electrical characteristics ta = 25 c, v cc = 3.0v, vm = 6.0v, sgnd = pgnd = 0v, unless otherwise specified. ratings parameter symbol conditions remarks min typ max unit standby load current drain imo v cc = 0v, vm = 6v 1 1.0 a operating control current drain ic1 when v cc is applied, with no load 2 0.85 1.2 ma high-level input voltage v ih 2.7 v cc 5.5v 0.6 v cc v cc v low-level input voltage v il 2.7 v cc 5.5v 0 0.2 v cc v high-level input current (in1, in2, in3, in4) i ih in1, in2, in3, in4 = 3v 3 15 25 a low-level input current (in1, in2, in3, in4) i il in1, in2, in3, in4 = 0v 3 -1.0 a pull-down resistance value (in1-4) rpd1 100 200 400 k charge pump voltage vg v cc + vm 8.5 9.0 9.5 v output on resistance 1 ron1 sum of top and bottom sides on resistance. 4 0.75 1.2 output on resistance 2 ron2 sum of top and bottom sides on resistance. v cc = 2.8v 4 1.0 1.5 low-voltage detection voltage vcs v cc pin voltage is monitored 5 2.15 2.30 2.45 v thermal shutdown temperature tth design guarantee value * 6 150 180 210 c turn-on time tplh 7 0.2 0.4 s output block turn-off time tphl 7 0.2 0.4 s * : design guarantee value and no measurement is preformed. remarks 1. current consumption when output at the vm pin is off. 2. current consumption at the v cc pin when v cc is 3v and in1 to in4 are all 0v (standby mode). 3. pins in 1, 2, 3, and 4 are all pulled down. 4. sum of upper and lower saturation voltages of out pin divided by the current. 5. all power transistors are turned off if a low v cc condition is detected. 6. all output transistors are turned off if the thermal protection circuit is activated. they are turned on again as the temperature goes down. 7. rising time from 10 to 90% and falling time from 90 to 10% are specified.
LV8405V no.a1340-3/6 package dimensions unit : mm (typ) 3178b pin assignment vg vm in4 1 2 3 4 5 6 7 8 out1 out2 pgnd out3 out4 vm 16 15 14 13 12 11 10 9 in3 v cc in2 in1 sgnd c1l c1h top view LV8405V sanyo : ssop16(225mil) 5.2 4.4 6.4 0.22 0.65 (0.33) 18 9 16 0.5 0.15 1.5max 0.1 (1.3) pd max -- ta 0 0.8 0.6 0.4 0.2 1 ? 20 80 85 60 20 40 0 100 ambient temperature, ta -- c allowable power dissipation, pd max -- w specified board : 114.3 76.1 1.6mm 3 glass epoxy
LV8405V no.a1340-4/6 block diagram * connect a kickback absorption capacitor as near as possibl e to the ic. coil kickback may cause increase in vm line voltage, and a voltage exceeding the maximum rating may be applied momentarily to the ic, which results in deterioration or damage of the ic truth table in1 (in3) in2 (in4) out1 (out3) out2 (out4) charge pump mode h h z z standby h l l h reverse l h h l forward l l l l on brake - : denotes a don't care value. z : high-impedance ? the charge pump is always activated as long as v cc is applied. * all power transistors turn off and the motor stops driving when the ic is detected in low voltage or thermal protection mode. in4 c1h c1l vg sgnd out1 v cc vm out2 charge pump v cc +vm motor control logic out3 vm out4 pgnd thermal protection circuit reduced- voltage protection circuit startup control block in3 in2 in1 control voltage 2.8v to 5.5v motor power supply 1.5v to 15v
LV8405V no.a1340-5/6 pin functions pin no. pin name description equivalent circuit 16 1 c1h vg step-up capacitor connection pin. vg c1h 13 12 10 9 in1 in2 in3 in4 driver output switching. (pull-down resistor incorporated) v cc 3 4 6 7 out1 out2 out3 out4 driver output. out out vm pgnd 2 8 vm motor block power supply. 11 v cc logic block power supply. 14 sgnd control block ground. 5 pgnd driver block ground.
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