2.1 - 177 2.1 general characteristics (@ t c = 25c unless otherwise specified) omnirel part i out @i rectifiers @ mosfet number v motor i out *t c = 100c* r ds(on) t c = 100c* q q j-c om90335sf-30 100v 60a 30a 13m n/a 0.65c/w om90335sf-60, -60a 100v 120a 60a 8 m n/a 0.35c/w om90335sf-50 60v 75a 30a 28 m 60a 0.2c/w om90335sf-100 60v 150a 60a 16m 60a 0.6c/w * see note on next page for package pin current limits. 60 and 100 volt, 50 to 100 amp mosfet modules, including gate drive for complete 3-phase brushless motor control 4 11 r0 three phase brushless motor driver modules in hermetic isolated packages features ? hermetic isolated metal and ceramic packages ? includes mosfet gate drivers ? operates to zero speed without separate external power supplies for high side drive ? high current output stages ? antiparallel diodes for independent braking current sense (-50 and -100 models only) ? available hi-rel screened ? ideally suited for 28 volt applications description these modules are ideally suited for high density, high reliability switching applications such as frequency converters for 3-phase motors, ups and high power smps. these multi-chip modules incorporate in one package both the power mosfets, soft recovery rectifiers (-50 and -100 models), and gate drive circuitry in a full 3-phase bridge configuration. om90335sf series logic table inputs outputs a-hi, b-hi, c-hi a-lo, b-lo, c-lo shut down q q a, q q b, q q c 0 0 0 open 0 1 0 pull down 1 0 0 pull up 1 1 0 illegal state* x x 1 open h = logic hi l = logic low x = don't care open = neither pull up nor pull down is on * causes destruction of module due to direct short across v m supply unless supply is current limited to safe levels.
2.1 - 178 2.1 om90335sf series absolute maximum ratings motor supply voltage range, v m ............................................................. 0 to 60v/100v continuous output current, i out ........................................................ see chart on page 1* pulsed output current, i dm ................................................... 3 times continuous for 60v units pulsed output current, i dm .................................................. 4 times continuous for 100v units logic supply range, v dd ....................................................................... 13v to 18v digital inputs ............................................................................ -0.5v, v dd +0.5v operating frequency ............................................................................... 50khz max. lead soldering temperature (5 sec. max.) ........................................................ 300c thermal resistance, junction to case, r q jc ............................................... see chart on page 1 operating case temperature range, t c ..................................................... -55c to +125c storage temperature range, t stg ............................................................ -65c to +150c weight ..............................................................................................4 oz * pin current limit is 50 amps rms. if continuous stall (locked rotor) is a system requirement, then this is the maximum allowed rms motor current. if, however, the locked rotor condition is not part of the system requirements, or is quickly sensed and the system shut down, than one of the following two options will allow higher current operation. of course, under no condition can the mosfet current limit be exceeded. option 1: normal 6-step brushless motor controller operation has a 66% duty cycle (on the phase pins). this allows operation at 60 amps rms when on (on 2/3 of the time, open 1/3 of the time). option 2: the -60a model wires phase-out to 2 pins. when using both pins, the supply pins become the limiting factor. at a 33% duty cycle, 80 amps rms for the 1/3 of the time on (off 2/3 of the time) is allowed. recommended operating conditions (over specified temperature range) supply voltage, v m .................................................................................. 28v continuous output current, i out ......................................................... see chart on page 1 logic supply, v dd ............................................................................... 15v5% logic thresholds, v inh ........................................................................... 10v (min) v inl ......................................................................... 5.7v (max) .200 ref .125 .300 2.060 .120 1.800 2.300 3.000 2.400 .250 2.750 .390 max. .050 .040 .002 (min) 26 plcs .125 typ .128 dia. (4 holes) +.002 -.005 dia .05 x 45 chamfer (denotes pin 1) 1 26 13 14 mechanical outline (f-26)
2.1 - 179 2.1 parameter test conditions min. typ. max. unit power output section leakage current, i dss v = 80% rated 250 a @ t c = +125c 1000 r ds(on) (1) see chart on page 1 overall v cc supply current over operating range 32 50 ma under voltage uv inhibit threshold over operating range 8.3 v uv restart threshold 8.6 logic inputs all low threshold over operating range 5.7 6 v all high threshold over operating range 9.5 10 v all input current, low over operating range 1 10 a all input current, high over operating range 15 70 a hysteresis 2v diode (-50 and -100 models only) v f 0.7 0.925 v t rr i f = i r = 1a 50 ns notes: 1. at t c = 100c, r ds(on) increases by an average of 1.8 times value at t c = 25c. om90335sf series electrical characteristics (unless otherwise noted t c = 25c; v dd = 15v and all outputs unloaded. t a = t j. ) representative application (*-50/-100 models only) 10m 28 v dc return *10m current sense *braking current sense normal current sense inputs shut down controller c - lo c - hi b - lo b - hi a - lo a - hi +15v q a q b q c motor +28v dc 14 19 23 4 9 13 11 7 2 1 6 10 3 8 12 17 22 26 18 25 24 21 20 16 15 ** * om90335sf
2.1 205 craw ford street, leominster, ma 01453 usa (508) 534-5776 fax (508) 537-4246 schematic om90335sf series interface interface interface uvlo boot strap charge pump v dd (+15v) 13 12 11 10 15 19 23 14 16 9 8 7 6 5 20 21 4 3 2 1 24 25 18 22 26 17 ground (+15v return) +15v a-hi a-lo b-hi b-lo c-hi c-lo shut down +15v +15v +15v +15v +15v +15v +15v ** ** ** com-c com-b com-a n c * * * v m q a v m q b v m q c high current driver high current driver high current driver high current driver high current driver high current driver notes: *this diode not present in om90335sf-30/60 parts. replace with short circuit in OM90335SF-60A part, 3 places. **replace this diode with short circuit om90335sf-30/60/60a parts, 3 places.
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