High-side Power Switch with Diagnostic Function and Built-in Zener Diode SI-5154S 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 Built-in Zener diode 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 a 2.6 0.1 +0.2 b 2.9 -0.3 Features Absolute Maximum Ratings Parameter Symbol Ratings Unit VB -13 to +40 V Input terminal voltage VIN -0.3 to VB V DIAG terminal voltage VDIAG 6 V 4 0.6 1 2 3 4 1. GND 2. VIN 3. Vo 4. DIAG 5. VB 5 Refer to "Surge clamp voltage" in Electrical Characteristics VB -VZ V IO 2.5 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 Output current 0.45 -0.1 0.85 -0.1 P1.7 0.15 * 4 Conditions VCE Collector-emitter voltage +0.2 +0.2 (Ta=25C) Power supply voltage 3.6 0.5 0.94 0.15 a: Type No. b: Lot No. (Forming No. 1111) Power Dissipation Standard Circuit Diagram VB 5 VO SI-5154S (Ta=25C unless otherwise specified) VIN 2 Ratings Parameter Symbol Operating power supply voltage VBopr min 6.0 Iq Quiescent circuit current Saturation voltage of output transistor VCE (sat) Output leak current IO, leak Output ON VIH typ 5 2.0 max Unit Conditions V LS-TTL or CMOS VBopr = 14V, VIN = 0V 12 mA 0.3 V IO 1.0A, VBopr = 6 to 16V 0.72 V IO 2.5A, VBopr = 6 to 16V 2 mA VB V 0.8 V 5.1k 1 GND Truth table VIN VO VCEO = 16V, VIN = 0V VBopr = 6 to 16V H H L L VBopr = 6 to 16V Output OFF VIL Output ON I IH mA VIN = 5V Output OFF I IL -0.1 mA VIN = 0V Overcurrent protection starting current IS 2.6 A VBopr = 14V, VO = VBopr -1.5V Thermal protection starting temperature TTSD 150 C VBopr 6V 30 k VBopr = 6 to 16V 1 VCC DIAG 4 30 Input voltage -0.3 3 Load Electrical Characteristics Input current Open load detection resistor Ropen TON 8 30 S VBopr = 14V, IO = 1A TOFF 15 30 S VBopr = 14V, IO = 1A 6 V VCC = 6V, VBopr = 6 to 16V VDL 0.3 V VCC = 6V, VBopr = 6 to 16V, IDO = 2mA TPLH 30 S VBopr = 14V, IO = 1A TPHL 30 S VBopr = 14V, IO = 1A Output transfer time VDH 4.5 DIAG output voltage DIAG output transfer time Minimum load inductance Surge clamp voltage *1 L 1 VZ 28 mH 34 40 V Normal Open load IC = 5mA Shorted load Overheat VIN VO DIAG Mode Normal Note: *1. The Zener diode for surge clamping has an energy capability of 200 mJ (single pulse). * The rule of protection against reverse connection of power supply is VB = -13V, one minute. * This driver is exclusively used for ON/OFF control. 26 Diagnostic Function 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. Normal Quiescent Circuit Current Circuit Current Saturation Voltage of Output Transistor 2 Ta= -40C 25C 150C 5 40 Ta = -40C 30 25C 20 VCE (sat) (V) 50 IB (mA) Iq (mA) 10 150C Ta = 125C 1 25C VB = 6 to 16V 10 0 0 10 20 30 -40C 0 0 40 10 20 VB (V) 30 16 8 4 8 12 8 8V 8V 4 6V 3 14V 14V 12 VO (V) VO (V) VO (V) 14V 12 16 8V 4 6V 4 0 5 0 1 2 3 4 0 5 6V 0 1 2 IO (A) IO (A) I IH (mA) VB = 16V IO = 1A 10 VB = 14V VIN = 0V 0.8 4 0.6 3 I IL (A) 15 5 5 VB = 14V VIN = 5V Ta = 125C 25C -40C 4 Input Current (Output OFF) 1.0 20 3 IO (A) Input Current (Output ON) Threshold input voltage VO (V) VB = 18V VB = 18V 16 3 20 VB = 18V 2 2 Overcurrent Protection Characteristics (Ta=125C) 20 1 1 IO (A) Overcurrent Protection Characteristics (Ta=25C) 20 0 0 VB (V) Overcurrent Protection Characteristics (Ta= -40C) 0 0 40 0.4 2 5 0.2 0 0 1 0 -50 2 1 0 VIN (th) (V) 50 100 0 -50 150 0.3 0.2 Ta (C) 150 0 -50 VO 10 VDIAG 5 0.1 100 VB = 14V VDIAG = 5V IO = 10mA 15 VO (V) VDL (V) IO leak (mA) 0.4 50 150 20 VB = 14V IDIAG = 2mA VB = 14V 1 100 Thermal Protection Characteristics 0.5 2 0 50 Ta (C) Saturation Voltage of DIAG Output Output Terminal Leak Current 0 -50 0 Ta (C) 0 0 50 Ta (C) 100 150 0 50 100 150 200 Ta (C) 27