VB325SP-E

VB325SP HIGH VOLTAGE IGNITION COIL DRIVER POWER I.C. TYPE V I I cl cl CC VB325SP 380V 10A 150mA PRIMARY COIL VOLTAGE INTERNALLY SET COIL CURRENT LIMIT INTERNALLY SET LOGIC LEVEL COMPATIBLE INPUT 10 DRIVING CURRENT QUASI PROPORTIONAL TO COLLECTOR CURRENT SINGLE FLAG-ON COIL CURRENT 1 LOW VOLTAGE CLAMP THERMAL PowerSO-10 SHUTDOWN DESCRIPTION The VB325SP is a high voltage power integrated circuit made using the STMicroelectronics VIPower M1-3 technology, with vertical current flow power darlington and logic level compatible in advanced electronic ignition system. If the input driving circuit. The enable pin allows to externally signal from the micro happens to remain high, the device protects itself against over-heating by block the switch when the input is on. Built-in protection circuit for coil current limiting and forcing collector current to smooth decrease (low collector voltage clamping allows the device to be voltage clamp feature) and no undesidered spark occurs (see figure 4). used as smart, high voltage, high current interface BLOCK DIAGRAM V BD CC HV C V IN DRIVER QUASI PROP. BASE CURRENT R SENSE LIMITER DIAGNOSTIC OUTPUT V CC V F1 V LIM - V R THERMAL REFERENCE PROTECTION V TH SN LGND E GND September 2013 1/9 DocID9671 Rev 4 Obsolete Product(s) - Obsolete Product(s)VB325SP ABSOLUTE MAXIMUM RATING Symbol Parameter Value Unit HV Collector voltage (Internally limited) -0.3 to V V c clamp I Collector current (Internally limited) 10 A C I DC current on Emitter Power 10.5 A C(gnd) V Driving stage supply voltage -0.3 to 7 V CC I Driving circuitry supply current 200 mA s I DC current on Ground pin 1A s(gnd) V Input voltage -0.3 to V + 0.3 V IN CC I Maximum Input Current 100 mA IN f Logic Input Frequency in Operative Mode DC to 150 Hz IN V Output Voltage Primary Threshold Current Level -0.3 to V + 0.3 V OUT(flag) CC I Flag Output Current 100 mA OUT(flag) P Power Dissipation (T =25C) 125 W max c E Self Clamped Energy during Output Power Clamping (See figure 2) 275 mJ s/b V ESD voltage (HV pin) 4KV ESD c V ESD voltage (Enable pin) + 1.5 -2 KV ESD V ESD voltage (Other pins) 2KV ESD I Input Darlington Base Current 150 mA BD V Input Darlington Base Voltage Internally limited V BD T Operating Junction Temperature -40 to 150 C j T Storage temperature Range -55 to 150 C stg V Maximum Enable Voltage -0.3 to 5.5 V E I Maximum Enable Current 150 A E THERMAL DATA Symbol Parameter Value Unit R Thermal resistance junction-case (MAX) 1 C/W thj-case R Thermal resistance junction-ambient (MAX) 51 C/W thj-amb PIN FUNCTION No Name Function 1 - 5 LGND Signal Ground 2 - 3 - 4 GND Emitter Power Ground 6E Enable (*) 7V Logic Supply Voltage CC 8 BD Base Darlington 9 INPUT Logic input channel (Internal Pull Down) 10 FLAG Diagnostic Output Signal (Open Emitter) TAB HV Primary Coil Output Driver (Open Collector) C (*) When grounded the Input is Enabled CONNECTION DIAGRAM (TOP VIEW) 6 5 LGND E V 7 4 GND CC BD 3 GND Pin 1 and Pin 5 must be externally connected to Pins 24. 8 INPUT GND 9 2 FLAG LGND 10 1 TAB HV C 2/9 Obsolete Product(s) - Obsolete Product(s)