typical application product summary v offset 600vmax i qbs 1ma overcurrent trip 1.5usec (typ) signal delay overcurrent trip level +/-260mv (typ.) over current sensing ic features ? floating channel up to +600v ? monolithic integration ? overcurrent sensing through shunt resistor ? low i qbs allows the boot strap power supply ? independent fast 1 sec overcurrent trip signal ? high common mode noise immunity ? input overvoltage protection for igbt short circuit condition ? open drain outputs ? available in lead-free packages 8-lead soic ir2170 ( s ) & (pbf) (refer to lead assignments for correct pin configuration). this/these diagram(s) show electrical connections only. please refer to our application notes and designtips for proper circuit board layout. 8-lead pdip data sheet no. pd60186 reve dc bus (up to 600v) to motor phase r sense +15v + (agnd) vdd (dgnd) v in+ v in- v b v s v cc com oc (circuit common = dc bus negative) 10 uf 0.47 uf 10 nf 1 k (typ) 1 ? ir2170 description ir2170(s) is the monolithic over current sensing ic designed for motor drive applications. it senses the motor phase current through an external shunt resistor, detects overcurrent condition, and trans- fers the signal to the low side. ir?s proprietary high voltage isolation technology is implemented to en- able the high bandwidth signal processing. the dedicated overcurrent trip (oc) signal facilitates igbt short circuit protection. the oc output pulse width can be programmed by the external resistor and capacitor. the open-drain outputs make easy for any interface from 3.3v to 15v. important notice: this part is no longer recommended for new designs; please use ir2175, ir2177, ir21771, ir2277 or ir22771 .
2 ir2170 ( s )&(pbf) www.irf.com symbol definition min. max. units v s high side offset voltage -0.3 600 v bs high side floating supply voltage -0.3 25 v cc low side and logic fixed supply voltage -0.3 25 v in maximum input voltage between v in+ and v in- -5 5 v oc overcurrent output voltage com -0.3 vcc +0.3 v in- v in- input voltage (note 1) v s -5 v b+ 0.3 dv/dt allowable offset voltage slew rate 50 v/ns p d package power dissipation @ t a +25 c 8 lead soic .625 8 lead pdip 1.0 rth ja thermal resistance, junction to ambient 8 lead soic 200 8 lead pdip 125 t j junction temperature 150 t s storage temperature -55 150 t l lead temperature (soldering, 10 seconds) 300 absolute maximum ratings absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. all voltage parameters are absolute voltages referenced to com, all currents are defined positive into any lead. the thermal resistance and power dissipation ratings are measured under board mounted and st ill air conditions. v c/w w note 1: capacitors are required between v b and vin-, and between v b and vs pins when bootstrap power is used. the external power supply, when used, is required between vs and vin-, and between v b and vs pins. c recommended operating conditions the output logic timing diagram is shown in figure 1. for proper operation the device should be used within the recom- mended conditions. symbol definition min. max. units v b high side floating supply voltage v s +13.0 v s +20 v s high side floating supply offset voltage note 2 600 v oc overcurrent output voltage com vcc v cc low side and logic fixed supply voltage 9.5 20 v in input voltage between v in+ and v in- -260 +260 mv t a ambient temperature -40 125 c v note 2: logic operation for vs of -5 to +600v. logic state held for vs of -5v to -v bs . (please refer to the design tip dt97-3 for more details).
3 ir2170 ( s )&(pbf) www.irf.com v oc+ overcurrent trip positive input voltage 260 v oc- overcurrent trip negative input voltage -260 i lk offset supply leakage current 50 a v b = v s = 600v i qbs quiescent v bs supply current 1 2 v s = 0v i qcc quiescent v cc supply current 0.5 i occ oc output sink current 10 1 dc electrical characteristics v cc = v bs = 15v, and t a = 25 o c unless otherwise specified. symbol definition min. typ. max. units test conditions v o = 1v v o = 0.1v ma mv ac electrical characteristics v cc = v bs = 15v, and t a = 25 o c unless otherwise specified. symbol definition min. typ. max. units test conditions proagation delay characteristics tdoc propagation delay time of oc 1 1.5 twoc low true pulse width of oc 1 sec figure 1. oc waveform +260mv -260mv vin oc t woc t doc
4 ir2170 ( s )&(pbf) www.irf.com ir2170s 8 7 6 4 3 2 1 vcc oc nc com vs vin- vin+ vb 5 8 lead soic ir2170 8 7 6 4 3 2 1 vcc oc nc com vs vin- vin+ vb 5 8 lead pdip lead definitions symbol description v cc low side and logic supply voltage com low side logic ground v in+ positive sense input v in- negative sense input v b high side supply v s high side return oc overcurrent output (negative logic) n.c. no connection lead assignments
5 ir2170 ( s )&(pbf) www.irf.com 01-6014 01-3003 01 (ms-001ab) 8-lead pdip case outlines 01-6027 01-0021 11 (ms-012aa) 8-lead soic 87 5 65 d b e a e 6x h 0.25 [.010] a 6 4 3 12 4. outline conforms to jedec outline ms-012aa. notes: 1. dimensioning & tolerancing per asme y14.5m-1994. 2 . c o n t r o l l in g d im e n s io n : m il l im e t e r 3. dimensions are shown in millimeters [inc hes]. 7 k x 45 8x l 8x c y footprint 8x 0.72 [.028] 6.46 [.255] 3x 1.27 [.050] 8x 1.78 [.070] 5 dimension does not include mold protrusions. 6 dimension does not include mold protrusions. mold protrusions not to exceed 0.25 [.010]. 7 d im e n s io n is t h e l e n g th o f l e a d f o r s o l d e r in g to a subs trate. mold protrusions not to exceed 0.15 [.006]. 0.25 [.010] c a b e1 a a1 8x b c 0.10 [.004] e1 d e y b a a1 h k l .189 .1497 0 .013 .050 b asic .0532 .0040 .2284 .0099 .016 .1968 .1574 8 .020 .0688 .0098 .2440 .0196 .050 4.80 3.80 0.33 1.35 0.10 5.80 0.25 0.40 0 1.27 basic 5.00 4.00 0.51 1.75 0.25 6.20 0.50 1.27 min max millimeters in c h e s min max dim 8 e c .0075 .0098 0.19 0.25 .025 b asic 0.635 b asic
6 ir2170 ( s )&(pbf) www.irf.com this product has been designed and qualified for the industrial market. qualification standards can be found on irs web site. data and specifications subject to change without notice. ir world headquarters: 233 kansas st., el segundo, california 90245, usa tel: (310) 252-7105 tac fax: (310) 252-7903 visit us at www.irf.com for sales contact information . 3/1/2006 basic part (non-lead free) lead-free part 8-lead pdip ir2170 order ir2170 8-lead pdip ir2170 order ir2170pbf 8-lead soic ir2170s order ir2170s 8-lead soic ir2170s order IR2170SPBF order information
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