NJM2670 -1- ver2.0 dual h bridge driver general description package outline features ? wide voltage range 4v to 60v ? wide range of current control 5 to 1500ma ? thermal overload protection ? dead band protector ? package outline dip22 / emp24 (batwing) pin connection the NJM2670 is a general-purpose 60v dual h-bridge drive ic. it consists of a pair of h-bridges, a thermal shut down circuit and its alarm output. the alarm output can detect application problems and the system reliability will be significantly improved if monitored by micro processor. therefore, it is suitable for two-phase stepper moto r application driven by microprocessor. NJM2670d2 NJM2670e3 tsd arm outb2 tsd a rm inb2 sense a ina1 enable a outa1 gnd gnd nc inb1 enable b outb1 sense b ina2 outa2 vs a gnd gnd vs b outb2 vcc nc dip-22 sense a ina1 enable a outa1 gnd gnd outb1 enable b inb1 sense b ina2 outa2 vs a gnd gnd vs b inb2 vcc n c emp-24 nc nc nc
NJM2670 - 2 - block diagram thermal shut down vs a ina1 ina2 vs b inb1 inb2 enable b sense b outb2 outb1 tsd_arm sense a outa2 outa1 v cc enable a gnd
NJM2670 - 3 - absolute maximum ratings (ta=25 c ) parameter symbol ratings unit maximum supply voltage v mm 60 v logic supply voltage v cc 7 v input voltage range v in -0.3 to 7 v output current i out 1.5 a power dissipation at t gnd =+25 c,dip and emp package p d25 5 w power dissipation at t gnd =+125 c,dip package p d125 2.2 w power dissipation at t gnd =+125 c,emp package p d125 2 w operating junction temperature to p r -40 85 c storage temperature ts t g -55 150 c recomenndo operating conditions parameter symbol test conditions min. typ. max. unit supply voltage v mm 4 - 55 v logic voltage range v cc 4.75 5.00 5.25 v maximum output current i out - - 1.3 a operating junction temperature tj -20 - 125 c thermal characteristics parameter symbol test conditions min. typ. max. unit rth j-gnd dip22 package. - 11 - c/w rth j-a dip22 package. note - 40 - c/w rth j-gnd emp24 package. - 13 - c/w thermal resistance rth j-a emp24 package. note - 42 - c/w note : all ground pins soldered onto a 20 cm 2 pcb copper area with free air convection, t a =+25 c
NJM2670 - 4 - electrical characteristics parameter symbol test conditions min. typ. max. unit general quiescent current icc enable=h,in1=in3=l,in 2=in4=h - 40 - ma thermal shutdown ttsd - 170 - c off-state leak current itsd- leak tsd arm=5v - - 50 a thermal alarm output saturation vtsd io=5ma - 0.5 0.7 v dead time protection td - 1 - s logic input low voltage vi l - - 0.6 v input high voltage vi h 2 - - v input high current ii h vi=2.4v - - 20 a input low current ii l vi=0.4v -0.4 - - ma output v ou1 io=1000ma - 1.3 1.5 v upper transistor saturation v ou2 io=1300ma - 1.5 1.8 v v ol1 io=1000ma - 0.5 0.8 v lower transistor saturation v ol2 io=1300ma - 0.8 1.3 v v fu1 io=1000ma - 1.3 1.6 v upper diode forward v fu2 io=1300ma - 1.6 1.9 v v fl1 io=1000ma - 1.3 1.6 v lower diode forward v fl2 io=1300ma - 1.6 1.9 v output leakage current lo- leak v mm =50v - - 1 ma upper diode recoverly time trr u - 250 - ns lower diode recoverly time trr l - 250 - ns truth table input (l=low,h=high,x=don't care) output (h=source,l=sink) ina1 ina2 outa1 outa2 inb1 inb2 outb1 outb2 output mode l l l l short break mode l h l h cw h l h l ccw enable a=h enable b=h h h h h short break mode enable a=l enable b=l x x a ll transistor turned off
NJM2670 - 5 - typical application 1). bipolar stepper motor 2). single phase dc motor ina1 tsd ina2 enable a inb1 inb2 enable b vs a vs b sense a tsd arm outa1 outa2 outb2 outb1 sense b v mm (4 55v) v cc v cc motor motor gnd (v mm gnd) ina1 tsd ina2 enable a inb1 inb2 enable b vs a vs b sense a tsd arm outa1 outa2 outb2 outb1 sense b v mm (4 55v) v cc v cc (v mm gnd) gnd motor cpu or microprocessor cpu or microprocessor
NJM2670 - 6 - 3) current control application for bipolar stepper motor timing chart ina1 tsd ina2 enable a inb1 inb2 enable b vs a vs b sense a tsd arm outa1 outa2 outb2 outb1 sense b v mm (4 55v) v cc v cc gnd motor cpu or microprocessor current control tpd1:in_hl propagation delay tpd2:in_lh propagation delay td :output dead band protection delay te1 :enable_hl propagation delay te2 :enable_lh propagation delay th :output high impedance section ina1(b1) outa1(b1) outa2(b2) enable a(b) ina2(b2) tpd1 tpd2 td tpd1 tpd2 td te1 th te2 reference value unit tpd1 1.0 us tpd2 2.5 us td 1.5 us te1 3.5 us te2 2.0 us
NJM2670 -7- typical application 1 0 0.5 1 1.5 2 2.5 3 00.511.52 outa1 outa2 outb1 outb2 vsat(d) [v] io [a] NJM2670 vsat(d) vs. io (lot-no.u2009t,dip16) vcc=5v vs=48v ta=25degc 0.6 0.8 1 1.2 1.4 1.6 1.8 2 0 0.5 1 1.5 2 outa1 outa2 outb1 outb2 NJM2670 vsat(u) vs. io (lot-no.u2009t,dip16) vsat(u) [v] io [a] vcc=5v vs=48v ta=25degc 0 50 100 150 200 01234567 icc [ma] vcc [v] icc vs. vcc ta=25degc io=500ma vs=48v en1=en2=h 0 0.2 0.4 0.6 0.8 1 -50 0 50 100 150 vin(ina1)-hysteresis [v] temperature [degc] vin(ina1)-hysteresis vs. temperature vs=48v rl=noting en1=en2=h ina2=l inb1=inb2=l 1 1.2 1.4 1.6 1.8 2 2.2 2.4 -50 0 50 100 150 vin(ina1) [v] temperature [degc] vin(ina1) vs. temperature vs=48v rl=nothing en1=en2=h ina2=l inb1=inb2=l ina1=l to h ina1=h to l -0.2 0 0.2 0.4 0.6 0.8 -50 0 50 100 150 vin(ina1)-ib [v] temperature [degc] vin(ina1)-ib vs. temperature vs=48v rl=nothing en1=en2=h ina2=l inb1=inb2=l ina1=0.4v ina1=2.4v
NJM2670 - 8 - typical application 2 0.6 0.8 1 1.2 1.4 1.6 1.8 00.511.52 outa1 outa2 outb1 outb2 NJM2670 diode(d) vs. io (lot-no.u2009t,dip16) diode(d) [v] io [a] vcc=5v vs=48v ta=25degc 1.2 1.25 1.3 1.35 1.4 outa1 outa2 outb1 outb2 vsat(u) [v] temperature [degc] NJM2670 vsat(u) vs. temperature (lot-no.u2009t,dip16) -50-25 0 255075100125150 vcc=5v vs=48v io=1.0a 0.2 0.4 0.6 0.8 1 1.2 outa1 outa2 outb1 outb2 vsat(d) [v] temperature [degc] NJM2670 vsat(d) vs. temperature (lot-no.u2009t,dip16) -50 -25 0 25 50 75 100 125 150 vcc=5v vs=48v io=1.0a 0.6 0.8 1 1.2 1.4 1.6 1.8 00.511.52 outa1 outa2 outb1 outb2 NJM2670 diode(u) vs. io diode(u) [v] io [a] vcc=5v vs=48v ta=25degc 20 25 30 35 40 45 50 55 60 icc [ma] temperature [degc] icc vs. temperature -50 -25 0 25 50 75 100 125 150 vcc=5v vs=48v rl=nothing in1=in2=h in3=in4=l en=h 10 20 30 40 50 60 70 80 icc [ma] temperature [degc] icc vs. temperature -50 -25 0 25 50 75 100 125 150 vcc=5v vs=48v rl=nothing in1=in2=h in3=in4=h en=h en=l in1=in2=l in3=in4=l en=h
NJM2670 - 9 - typical application 3 0.4 0.6 0.8 1 1.2 1.4 1.6 outa1 outa2 outb1 outb2 vsat(d) [v] temperature [degc] NJM2670 vsat(d) vs. temperature (lot-no.u2009t,dip16) -50 -25 0 25 50 75 100 125 150 vcc=5v vs=48v io=1.3a 1.2 1.3 1.4 1.5 1.6 1.7 1.8 outa1 outa2 outb1 outb2 vsat(u) [v] temperature [degc] NJM2670 vsat(u) vs. temperature (lot-no.u2009t,dip16) -50 -25 0 25 50 75 100 125 150 vcc=5v vs=48v io=1.3a 1 1.1 1.2 1.3 1.4 1.5 1.6 diode(d) [v] temperature [degc] NJM2670 diode(d) vs. temperature (lot-no.u2009t,dip16) -50 -25 0 25 50 75 100 125 150 vcc=5v vs=48v i=1.3a i=1.0a 1 1.1 1.2 1.3 1.4 1.5 1.6 diode(u) [v] temperature [degc] NJM2670 diode(u) vs. temperature (lot-no.u2009t,dip16) -50 -25 0 25 50 75 100 125 150 vcc=5v vs=48v i=1.3a i=1.0a 0.8 0.85 0.9 0.95 1 1.05 1.1 1.15 1.2 diode(u) [v] temperature [degc] NJM2670 diode(u) vs. temperature (lot-no.u2009t,dip16) -50 -25 0 25 50 75 100 125 150 vcc=5v vs=48v i=0.5a [caution] the specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. the application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights.
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