L9997ND DUAL HALF BRIDGE DRIVER HALF BRIDGE OUTPUTS WITH TYPICAL R = 0.7 MULTIPOWER BCD TECHNOLOGY ON OUTPUT CURRENT CAPABILITY 1.2A OPERATING SUPPLY VOLTAGE RANGE 7V TO 16.5V SUPPLY OVERVOLTAGE PROTECTION FUNCTION FOR VVS UP TO 40V VERY LOW QUIESCENT CURRENT IN STANDBY MODE < 1A CMOS COMPATIBLE INPUTS WITH HYS- TERESIS SO20 (12+4+4) OUTPUT SHORT-CIRCUIT PROTECTION THERMAL SHUTDOWN ORDERING NUMBERS: L9997ND L9997ND013TR REAL TIME DIAGNOSTIC: THERMAL OVER- LOAD, OVERVOLTAGE DESCRIPTION including DC motors. The circuit is optimized for The L9997ND is a monolithic integrated driver, in automotive electronics enviromental conditions. BCD technology intended to drive various loads, BLOCK DIAGRAM DIAG VS VS 11 1 EN REFERENCE PROTECTION ENABLE 10 BIAS FUNCTIONS 5V VS IN1 OUT1 19 12 DRIVER 1 M VS IN2 OUT2 2 9 DRIVER 2 GND 4...7, 14...17 1/9 September 2013 DocID6276 Rev 3L9997ND ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit V DC Supply Voltage -0.3 to 26 V VSDC V Supply Voltage Pulse (T < 400ms) 40 V VSP I DC Output Current 1.8 A OUT V DC Input Voltage -0.3 to 7 V IN1,2 V Enable Input Voltage -0.3 to 7 V EN V DC Output Voltage -0.3 to 7 V DIAG I DC Output Short-circuit Current -0.3V < V < V + 0.3V internally limited OUT OUT S I DC Sink Current -0.3V < V < 7V internally limited DIAG DG PIN CONNECTION (Top view) V 1 20 N.C. S OUT2 2 19 OUT1 N.C. 3 18 N.C. GND 4 17 GND GND 5 16 GND GND 6 15 GND GND 7 14 GND N.C. 8 13 N.C. IN2 9 12 IN1 EN 10 11 DIAG D95AT166 PIN FUNCTIONS N. Name Function 1 VS Supply Voltage 2 OUT2 Channel 2: Push-Pull power output with intrinsic body diode 3, 8, 13, NC NC: Not Connected 18,20 4 to 7, GND Ground: signal - and power - ground, heat sink 14 to 17 9 IN2 Input 2: Schmitt Trigger input with hysteresis (non-inverting signal control) 10 EN Enable: LOW or not connected on this input switches the device into standby mode and the outputs into tristate 11 DIAG Diagnostic: Open Drain Output that switches LOW if overvoltage or overtemperature is detected 12 IN1 Input 1: Schmitt Trigger input with hysteresis (non-inverting signal control) THERMAL DATA Symbol Parameter Value Unit T Thermal Shut-down Junction Temperature 165 C jTS T Thermal Shut-down Threshold Hysteresis 25 K jTSH (1) R Thermal Resistance Junction-Ambient 50 K/W th j-amb R Thermal Resistance Junction-Pins 15 K/W th j-pins 2 (1) With 6cm on board heatsink area. 2/9