High-side Power Switch with Diagnostic Function SI-5152S External Dimensions (unit: mm) Built-in diagnostic function to detect short and open circuiting of loads and output status signals Low saturation PNP transistor use Allows direct driving using LS-TTL and C-MOS logic levels Built-in overcurrent and thermal protection circuits Built-in protection against reverse connection of power supply Tj = 150C guaranteed TO-220 equivalent full-mold package not require insulation mica 4.2 0.2 3.2 0.2 10 0.2 20 max 16.9 0.3 4.0 0.2 2.8 0.2 7.9 0.2 Features a 2.6 0.1 Symbol 2.9 -0.3 3.6 0.5 0.94 0.15 Absolute Maximum Ratings Parameter +0.2 b (Ta = 25C) Ratings Unit +0.2 +0.2 Conditions 0.45 -0.1 0.85 -0.1 4 0.6 P1.7 0.15 * 4 Power supply voltage VB 40 V Input terminal voltage VIN -0.3 to VB V DIAG terminal voltage VDIAG 6 V VCE 40 V IO 1.8 A PD1 22 W With infinite heatsink (Tc=25C) PD2 1.8 W Stand-alone without heatsink Junction temperature Tj -40 to +150 C Operating temperature TOP -40 to +100 C Storage temperature Tstg -40 to +150 C Collector-emitter voltage Output current 1 2 3 4 1. GND 2. VIN 3. Vo 4. DIAG 5. VB 5 a: Type No. b: Lot No. (Forming No. 1111) Power Dissipation Standard Circuit Diagram VB 5 VO (Ta=25C unless otherwise specified) SI-5152S Ratings Parameter Symbol Operating power supply voltage VBopr Quiescent circuit current min 6.0 Iq Saturation voltage of output transistor VCE (sat) Output leak current IO, leak typ 5 max Unit Conditions VIN 2 VCC DIAG 4 30 V 12 mA 0.5 V IO 1.0A, VBopr = 6 to 16V 1.0 V IO 1.8A, VBopr = 6 to 16V 2 mA VBopr = 14V, VIN = 0V LS-TTL or CMOS VIH 2.0 VB V VBopr = 6 to 16V Output OFF VIL -0.3 0.8 V VBopr = 6 to 16V Output ON I IH 1 mA VIN = 5V VIN = 0V 5.1k 1 GND Truth table VO VCEO = 16V, VIN = 0V Output ON PZ 3 Load Electrical Characteristics VIN Input voltage H H L L Input current Output OFF I IL -0.1 mA Overcurrent protection starting current IS 1.9 A VBopr = 14V, VO = VBopr -1.5V Thermal protection starting temperature TTSD 150 C VBopr 6V k VBopr = 6 to 16V Open load detection resistor Normal Ropen 30 TON 8 30 S VBopr = 14V, IO = 1A TOFF 15 30 S VBopr = 14V, IO = 1A IDIAG 100 A VCC = 6V, VBopr = 6 to 16V VDL 0.3 V TPLH 30 S VBopr = 14V, IO = 1A S VBopr = 14V, IO = 1A Output transfer time DIAG output leak current Saturation voltage of DIAG output DIAG output transfer time TPHL Minimum load inductance Diagnostic Function L 30 1 VCC = 6V, VBopr = 6 to 16V, IDO = 2mA mH Open load Overheat Normal VO DIAG Mode Normal Note: * The rule of protection against reverse connection of power supply is VB = -13V, one minute (all terminals except, VB and GND, are open). Shorted load VIN Open load Shorted load Overheat VIN L H L H L H L H VO L H H H L L L L DIAG L H H H L L L L DIAG output will be undetermined when a voltage exceeding 25V is applied to VB terminal. 22 Quiescent Circuit Current Circuit Current 10 Saturation Voltage of Output Transistor 1.0 40 Ta = -40C VB = 6 to 16V -40C 95C 5 25C 20 VCE (sat) (V) Ta = 25C IB (mA) Iq (mA) 30 Ta = 95C 95C 0.5 -40C 10 25C 0 0 10 20 30 0 40 0 0 10 20 30 40 50 0 1 2 3 VB (V) VB (V) IO (A) Overcurrent Protection Characteristics (Ta = -40C) Overcurrent Protection Characteristics (Ta=25C) Overcurrent Protection Characteristics (Ta=100C) 16 16 14 14 14 VB = 14V 12 VB = 14V 12 10 10 VO (V) 8 8 6 6 4 4 4 2 2 2 0 0 0 0 2 0 3 1 2 0 3 20 3 Input Current (Output OFF) 2 1.0 15 2 IO (A) Input Current (Output ON) Threshold input voltage Ta = 95C 1 IO (A) IO (A) VIN = 0V VB = 14V VIN = 5V VB = 14V 25C -40C 10 IIL (A) VB = 16V IO = 1A IIH (mA) VO (V) 8 6 1 VB = 14V 12 10 VO (V) VO (V) 16 0.5 1 5 0 0 1 2 2.2 0 -40 0 50 Ta (C) VIN (V) 100 0 -40 0 50 100 Ta (C) Saturation Voltage of DIAG Output 0.2 VDL (V) VB = 14V 0.1 0 -40 0 50 100 Ta (C) 23