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 = 150ºC 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 = 25ºC) 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=25ºC) PD2 1.8 W Stand-alone without heatsink Junction temperature Tj –40 to +150 ºC Operating temperature TOP –40 to +100 ºC Storage temperature Tstg –40 to +150 ºC 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=25ºC 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 5.1kΩ 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 ºC VBopr 6V kΩ VBopr = 6 to 16V Open load detection resistor Normal Ropen 30 TON 8 30 µS VBopr = 14V, IO = 1A TOFF 15 30 µS VBopr = 14V, IO = 1A IDIAG 100 µA VCC = 6V, VBopr = 6 to 16V VDL 0.3 V TPLH 30 µS VBopr = 14V, IO = 1A µS 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 = –40ºC VB = 6 to 16V –40ºC 95ºC 5 25ºC 20 VCE (sat) (V) Ta = 25ºC IB (mA) Iq (mA) 30 Ta = 95ºC 95ºC 0.5 –40ºC 10 25ºC 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 = –40ºC) ■ Overcurrent Protection Characteristics (Ta=25ºC) ■ Overcurrent Protection Characteristics (Ta=100ºC) 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 = 95ºC 1 IO (A) IO (A) VIN = 0V VB = 14V VIN = 5V VB = 14V 25ºC –40ºC 10 IIL (µA) 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 (ºC) VIN (V) 100 0 –40 0 50 100 Ta (ºC) ■ Saturation Voltage of DIAG Output 0.2 VDL (V) VB = 14V 0.1 0 –40 0 50 100 Ta (ºC) 23