may 2011 doc id 018828 rev 1 1/14 1 VB027SP-E high voltage ignition coil driver power integrated circuit features ecopack ? : lead free and rohs compliant automotive grade: compliance with aec guidelines primary coil voltage internally set coil current limit internally set logic level compatible input driving current quasi proportional to collector current double flag-on coil current description the VB027SP-E is a high voltage power integrated circuit made using the stmicroelectronics? vipower? technology, with vertical current flow power darlington and logic level compatible driving circuit. built-in protection circuit for coil current limiting and collector voltage clamping allows the device to be used as smart, high voltage, high current interface in advanced electronic ignition system. type v cl i cl i d(on) VB027SP-E 300 v 9 a 130 ma table 1. device summary package order code tube tape and reel powerso-10 VB027SP-E vb027sptr-e ( " 1 ( $ ' 5 powerso-10 www.st.com
contents VB027SP-E 2/14 doc id 018828 rev 1 contents 1 block diagram and pins descripti on . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.1 absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.2 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.3 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.4 electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3 application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.1 principle of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.2 thermal behaviour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.3 overvoltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4 package and packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4.1 ecopack ? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4.2 powerso-10 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 5 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
VB027SP-E list of tables doc id 018828 rev 1 3/14 list of tables table 1. device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 table 2. pin function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 table 3. absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 table 4. thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 table 5. electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 table 6. powerso-10 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 table 7. document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
list of figures VB027SP-E 4/14 doc id 018828 rev 1 list of figures figure 1. block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 figure 2. configuration diagram (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 figure 3. maximum i cl vs temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 figure 4. i c(diag1) vs temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 figure 5. i c(diag2) vs temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 figure 6. application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 figure 7. switching waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 figure 8. powerso-10 package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
VB027SP-E block diagram and pins description doc id 018828 rev 1 5/14 1 block diagram and pins description figure 1. block diagram figure 2. configuration diagram (top view) table 2. pin function pin number name function 15 gnd emitter power ground 6 (1) 1. pin 15 = power gnd, pin 6 = signal gnd. pin 6 must be connected to pins 15 externally. gnd control ground 7v d driving stage supply voltage 8n.c. 9 input logic input channel 10 diag diagnostic output signal ta b h v c primary coil output signal ' 5 , 9 ( 5 2 9 ( 5 7 ( 0 3 ) / $ * 5 ( ) ( 5 ( 1 & |