High-side Power Switch with Diagnostic Function and Built-in Zener Diode SI-5153S 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 ● 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 b +0.2 2.9 –0.3 Features Symbol Ratings Unit VB –13 to +40 V Input terminal voltage VIN –0.3 to VB V DIAG terminal voltage VDIAG 6 V VCE VB —VZ V Output current 0.45 –0.1 0.85 –0.1 (Ta=25ºC) Power supply voltage Collector-emitter voltage +0.2 +0.2 Absolute Maximum Ratings Parameter 3.6 ±0.5 0.94 ±0.15 4 ±0.6 P1.7 ±0.15 • 4 Conditions 1 2 3 4 1. GND 2. VIN 3. Vo 4. DIAG 5. VB 5 Refer to "Surge clamp voltage" in Electrical Characteristics IO 2.04 A PD1 22 W With infinite heatsink (Tc=25ºC) PD2 1.8 W Stand-alone without heatsink Tj –40 to +150 ºC Operating temperature TOP –40 to +100 ºC Storage temperature Tstg –40 to +150 ºC a: Type No. b: Lot No. (Forming No. 1111) Power Dissipation Junction temperature Standard Circuit Diagram VB 5 VO SI-5153S (Ta=25ºC unless otherwise specified) VIN 2 Ratings Parameter Symbol Operating power supply voltage VBopr min 6.0 Iq Quiescent circuit current typ 5 max Unit 30 V 12 mA V Saturation voltage of output transistor VCE (sat) 0.47 Output leak current IO, leak 2 mA VCC DIAG 4 Conditions LS-TTL or CMOS 5.1kΩ 1 Load Electrical Characteristics 3 VBopr = 14V, VIN = 0V IO 2.05A, VBopr = 6 to 16V Output ON 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 Output OFF I IL –0.1 mA VIN = 0V Overcurrent protection starting current IS 2.05 A VBopr = 14V, VO = VBopr –1.5V Thermal protection starting temperature TTSD 150 ºC VBopr 6V 30 kΩ VBopr = 6 to 16V GND Truth table VIN VO VCEO = 16V, VIN = 0V Input voltage H H L L Input current Open load detection resistor Diagnostic Function Normal Open load Shorted load Overheat Normal VIN Ropen TON 8 30 µS VBopr = 14V, IO = 1A TOFF 15 30 µS VBopr = 14V, IO = 1A 6 V VCC = 6V, VBopr = 6 to 16V VCC = 6V, VBopr = 6 to 16V, IDO = 2mA Output transfer time VDH 4.5 VO DIAG DIAG output voltage VDL 0.3 V TPLH 30 µS VBopr = 14V, IO = 1A TPHL 30 µS VBopr = 14V, IO = 1A DIAG output transfer time Minimum load inductance Surge clamp voltage *1 L 1 VZ 28 mH 34 40 V IC = 5mA Note: *1. The Zener diode for surge clamping has an energy capability of 140 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. 24 VIN DIAG VO L L L H H H L H H Open load H H H L L L Shorted load H L L L L L Overheat H L L ● DIAG output will be undetermined when a voltage exceeding 25V is applied to VB terminal. Mode Normal ■ Quiescent Circuit Current ■ Circuit Current 10 ■ Saturation Voltage of Output Transistor 2 50 40 Ta= –40ºC 5 25ºC VCE (sat) (V) IB (mA) Iq (mA) Ta = –40ºC 30 25ºC 20 150ºC Ta = 125ºC 1 VB = 6 to 16V 150ºC 25ºC 10 0 0 10 20 30 –40ºC 0 0 40 10 20 30 0 40 0 1 2 3 VB (V) VB (V) IO (A) ■ Overcurrent Protection Characteristics (Ta=–40ºC) ■ Overcurrent Protection Characteristics (Ta =25ºC) ■ Overcurrent Protection Characteristics (Ta=125ºC) 20 20 20 VB = 18V VB = 18V VB = 18V 15 15 15 10 14V 10 8V 5 0 0 1 3 2 4 0 5 5 0 1 2 3 4 0 5 0 1 2 IO (A) IO (A) ■ Threshold Characteristics of Input Voltage VB = 14V VIN = 0V 0.8 4 0.6 3 I IL (µA) I IH (mA) VB = 16V IO = 1A 5 5 VB = 14V VIN = 5V Ta = 150ºC 25ºC –40ºC 4 ■ Input Current (Output OFF) 1.0 10 3 IO (A) ■ Input Current (Output ON) 20 15 10 8V 8V 5 VO (V) VO (V) VO (V) VO (V) 14V 14V 0.4 2 5 0.2 0 0 1 0 –50 2 1 0 VIN (th) (V) 50 100 0 –50 150 50 2 20 VB = 14V VDIAG = 5V IO = 10mA VB = 14V IDIAG = 2mA 0.4 15 0.3 VO (V) VDL (V) 150 ■ Thermal Protection Characteristics 0.5 VB = 14V 1 100 Ta (ºC) ■ Saturation Voltage of DIAG Output ■ Output Terminal Leak Current IO leak (mA) 0 Ta (ºC) VO 10 0.2 0 –50 0 50 Ta (ºC) 100 150 0 –50 VDIAG 5 0.1 0 0 50 Ta (ºC) 100 150 0 50 100 150 200 Ta (ºC) 25