? semiconductor components industries, llc, 2007 october, 2007 - rev. 6 1 publication order number: ncv7701/d ncv7701 2.0 amp h-bridge driver this automotive grade h-bridge driver provides a flexible means for controlling loads requiring bidirectional drive currents. bridge outputs are protected from overcurrent at each switch and overtemperature shutdown provi des product robustness. the ncv7701 inputs can be interfaced to a range of voltages, including vehicle battery voltage. the product features a low quiescent current mode, allowing unswitched connection to the power source. the ncv7701 is produced using on semiconductor's powersense bcd technology. features ? forward, reverse, brake high, brake low modes ? 1.0 a output current capability (dc) ? supply voltage range 7.0 v to 26 v ? 0.25 r ds(on) per driver @ 25 c ? sleep mode (i q < 10 a) ? overvoltage protection ? thermal protection ? undervoltage disable function ? short circuit protection ? cross conduction protection ? synchronous low-side rectification for lower power dissipation ? diagnostic output (open drain) ? ttl/cmos/pullup to battery compatible inputs ? 20 lead so package with 8 internally fused leads ? aec qualified ? ppap capable ? these are pb-free devices* typical applications ? dc motors ? stepper motors ? modulator valves *for additional information on our pb-free strategy and soldering details, please download the on semiconductor soldering and mounting techniques reference manual, solderrm/d. device package shipping ? ordering information a = assembly location wl = wafer lot yy = year ww = work week g = pb-free package marking diagram pin connections soic-20 wb case 751d dw suffix 1 1 20 en fault gnd gnd gnd gnd gnd gnd gnd gnd outa outb nc nc nc v bat in1 nc in2 nc http://onsemi.com ?for information on tape and reel specifications, including part orientation and tape sizes, please refer to our t ape and reel packaging specifications brochure, brd8011/d. 20 1 ncv7701 awlyywwg ncv7701dwr2g soic-20w (pb-free) 1000 tape & reel ncv7701dwg soic-20w (pb-free) 38 units/rail
ncv7701 http://onsemi.com 2 figure 1. block diagram en in1 in2 fault voltage reference outb outa 200 khz oscillator charge pumps gate drive v bat bridge control fault detection ? tsd ? ovsd ? uvlo i lim i lim m1 m2 m3 m4 i lim i lim gnd masking timer maximum ratings rating value unit supply voltage (dc) - v bat (note 1) -0.3 to 45 v logic input voltage (dc) -0.3 to 12 v junction temperature range -40 to 150 c storage temperature range -65 to 150 c peak transient (1.0 ms rise time, 300 ms period, 31 v load dump @ v bat = 14 v) (note 1) 45 v esd susceptibility (human body model) 2.0 kv package thermal resistance junction-to-case, r jc junction-to-ambient, r ja 9.0 55 c/w c/w lead temperature soldering: reflow: (smd styles only) (note 2) 230 peak c stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above t he recommended operating conditions is not implied. extended exposure to stresses above the recommended operating conditions may af fect device reliability. 1. external reverse-battery and transient voltage suppression (tvs) required. 2. 60 second maximum above 183 c.
ncv7701 http://onsemi.com 3 electrical characteristics (7.0 v v bat 26 v, -40 c t j 125 c; unless otherwise specified.) note 3 characteristic test conditions min typ max unit general v bat quiescent current: low quiescent normal operation en = 0 v, v bat 12.8 v 2.5 v en v bat , v bat = 14 v - - - - 10 8.0 a ma en logic input low level input voltage - - - 0.7 v high level input voltage - 2.5 - - v input bias current en = 5.0 v 15 50 100 a input leakage current en = 0 v - - 1.0 a in1, in2, logic inputs low level input voltage - - - 0.8 v high level input voltage - 2.0 - - v input bias current 5.0 v on logic input, en = 5.0 v 5.0 20 40 a input leakage current 0 v on logic input, en = 0 v - - 1.0 a ic protection overvoltage shutdown - 27 32 37 v overvoltage hysteresis - 0.2 0.5 1.0 v undervoltage voltage lockout - - - 6.5 v undervoltage hysteresis - 100 200 400 mv thermal shutdown (guaranteed by design) 160 185 210 c thermal hysteresis (guaranteed by design) 10 22.5 35 c drivers outa, outb output high voltage (v h ) v bat = 14 v, i source = 1.0 a, v h = v bat - out x - 0.4 0.75 v output low voltage (v l ) v bat = 14 v, i source = 1.0 a, v l = out x - v gnd - 0.4 0.75 v current limit v bat = 14 v 3.0 4.0 5.0 a fault output output leakage current v fault = 5.0 v, fault absent - - 10 a output low voltage i fault = 0.5 ma, fault present - - 1.0 v ac characteristics output turn-on delay - - 5.0 10 s output turn-off delay - - 5.0 10 s current limit mask time - 20 40 60 s 3. designed to meet these characteristics over the stated voltage and temperature ranges, though may not be 100% parametrically tested in production.
figure 2. application diagram v bat nc outb gnd gnd gnd gnd fault nc nc nc nc outa gnd gnd gnd gnd en in1 in2 ncv7701 + 47 f v ign tvs 120 controller v cc ncv7701 http://onsemi.com 4 table 1. h-bridge mode control en in1 in2 h-bridge outa outb 0 x x off (sleep mode) off off 1 0 0 brake low low low 1 0 1 forward high low 1 1 0 reverse low high 1 1 1 brake high high high package pin description pin no. symbol description 1 v bat ic supply voltage 2, 9, 10, 19, 20 nc no connection 3 outb bridge output 4, 5, 6, 7, 14, 15, 16, 17 gnd power ground 8 fault diagnostic output 11 in2 mode control input 12 in1 mode control input 13 en chip enable 18 outa bridge output operating description during powerup, the outputs are hi-z regardless of the input states. when the undervoltage lockout threshold is exceeded, the outputs will reflect the input states. outputs change to hi-z whenever an undervoltage, overvoltage or thermal shutdown fault is detected. normal operation will resume when faults are resolved. overcurrent protection current is monitored continuously in each switch of each half bridge when the ena input is in a high state thus protecting each switch from faults due to short to gnd, short to v bat or shorted load conditions. only the affected half-bridge is disabled for short to v bat or short to gnd faults. a mask timer is initiated after a fault is detected and prevents recognition of an overcurrent event until the mask time expires. persistence of an overcurrent condition causes the bridge output to change to hi-z and the fault output to latch low until the next transition occurs on either the input related to the faulted output or the ena input is brought low then high again. this method of protection provides current limiting on a cycle-by-cycle basis and helps allow a stall torque current to be ignored during motor start. continued overcurrent may eventually result in activation of the thermal shutdown circuitry, thus activating a second level of protection for the ncv7701. table 2. fault diagnostics fault condition fault pin h-bridge no faults high z normal operation undervoltage low off overvoltage low off thermal shutdown low off current limit low 1 or more drivers in current limit
ncv7701 http://onsemi.com 5 package dimensions 20 1 11 10 b 20x h 10x c l 18x a1 a seating plane h x 45 e d m 0.25 m b m 0.25 s a s b t e t b a dim min max millimeters a 2.35 2.65 a1 0.10 0.25 b 0.35 0.49 c 0.23 0.32 d 12.65 12.95 e 7.40 7.60 e 1.27 bsc h 10.05 10.55 h 0.25 0.75 l 0.50 0.90 0 7 notes: 1. dimensions are in millimeters. 2. interpret dimensions and tolerances per asme y14.5m, 1994. 3. dimensions d and e do not include mold protrusion. 4. maximum mold protrusion 0.15 per side. 5. dimension b does not include dambar protrusion. allowable protrusion shall be 0.13 total in excess of b dimension at maximum material condition. soic-20 wb case 751d-05 issue g on semiconductor and are registered trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to mak e changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for an y particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including wi thout limitation special, consequential or incidental damages. typical parameters which may be provided in scillc data sheets and/or specifications can and do vary in different application s and actual performance may vary over time. all operating parameters, including typicals must be validated for each custom er application by customer's technical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the scillc product could create a sit uation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indemnify and hold scillc and its of ficers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, direct ly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that scillc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyright laws and is not for resale in any manner. publication ordering information n. american technical support : 800-282-9855 toll free ?usa/canada europe, middle east and africa technical support: ?phone: 421 33 790 2910 japan customer focus center ?phone: 81-3-5773-3850 ncv7701/d powersense is a trademark of semiconductor components industries, llc. literature fulfillment : ?literature distribution center for on semiconductor ?p.o. box 5163, denver, colorado 80217 usa ? phone : 303-675-2175 or 800-344-3860 toll free usa/canada ? fax : 303-675-2176 or 800-344-3867 toll free usa/canada ? email : orderlit@onsemi.com on semiconductor website : www.onsemi.com order literature : http://www.onsemi.com/orderlit for additional information, please contact your loca l sales representative
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