VBG08H-E

VBG08H-E Ignition coil driver power I.C. Datasheet - production data Battery fault tolerant pins ESD protected TTL compatible Description VBG08H is a single channel driver, plus an IGBT power stage internally assembled using Chip On Chip (COC) hybrid technology. The two chips are assembled together in the OctaPAK package. Features The device comes with several built-in protections like a coil current limiter, thermal monitoring circuit, which triggers a Soft Shut Down (SSD) as HV I V I CL NOM S S soon as the maximum allowable temperature is (1) reached (TSD). It avoids extra voltage on the 360 V 8 A 6 - 40 V 5 mA secondary side of the coil transformer. 1. Max operative current The Slow Turn On circuit (STO), avoids unwanted sparks during first negative dV/dt of HVC voltage Smart electronic ignition with embedded IGBT at turn on. power stage The current flag circuit provides an output logical Coil current limiter signal voltage when the coil current reaches a Current threshold flag diagnostic output fixed threshold. Enable pin Slow turn-on Soft shut down (SSD) operated by low voltage clamp circuit (LVC) SSD activated by Thermal intervention (T > 150C) j Enable pin Input overvoltage Battery overvoltage Table 1. Device summary Order codes Package Tube Tape and reel OctaPAK VBG08H-E VBG08HTR-E March 2015 DocID024413 Rev 3 1/34 This is information on a product in full production. www.st.comContents VBG08H-E Contents 1 Detailed description . 5 1.1 Slow turn-on 6 1.2 Input over voltage (INP OV) . 6 1.3 Battery overvoltage 6 2 Block diagram 7 3 Electrical specifications 9 3.1 Absolute maximum ratings 10 3.2 Thermal data .11 3.3 Electrical characteristics .11 4 Electrical transient requirements . 25 4.1 General setup 25 5 PCB layout suggestions and PGND disconnection . 27 6 Package and PCB thermal data . 28 6.1 OctaPAK thermal data . 28 7 Package informations . 31 7.1 ECOPACK . 31 7.2 OctaPAK package information . 31 8 Revision history . 33 2/34 DocID024413 Rev 3