4-circuit High-side Power Switch Array SLA2502M External Dimensions (unit: mm) 31±0.2 Ellipse 3.2 ±0.15 • 3.8 4.8 ±0.2 24.4 ±0.2 1.7 ±0.1 16 ±0.2 9.9 ±0.2 3.2 ±0.15 a b 2.45 ±0.2 6.4 ±0.5 ● Built-in diagnostic function to detect short and open circuiting of loads and output status signals ● Low saturation PNP transistor use (VCE (sat) 0.5V) ● 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 12.9 ±0.2 Features Absolute Maximum Ratings Parameter (Ta=25ºC) Symbol Ratings Unit Power supply voltage VB –13 to +40 V Input terminal voltage VIN –0.3 to +7.0 V DIAG output applied voltage VDIAG –0.3 to +7.0 V DIAG output source current IDIAG 3 mA Output current IO 1.2 A Power Dissipation PD 4.8 W Junction temperature Tj –40 to +150 ºC Operating temperature TOP –40 to +100 ºC Storage temperature Tstg –50 to +150 ºC +0.2 +0.2 1.15 –0.1 +0.2 0.55 –0.1 0.65 –0.1 14 • P2.03 ±0.1 = (28.42) Conditions 31.3 ±0.2 a: Type No. b: Lot No. 1 23 15 Stand-alone operation without heatsink; all circuits operating Equivalent Circuit Diagram SLA2502M The MIC is bound by the dotted lines. 8 VB Pre. Reg. Electrical Characteristics NI1 (VBopr =14V, Ta=25ºC unless otherwise specified) DIAG1 2 Drive CONT. 11kΩ typ. 3 O.C.P DIAG DET Parameter Symbol Operating power supply voltage VBopr min typ max 6.0 16 Unit Conditions NI2 V 5 Iq VINth Hi output I IN Lo output I IN 0.8 mA 3.0 V 1.0 mA VIN = 5V 100 µA VIN = 0V Input current 0 VIN = 0V 12 1 6 Drive CONT. 11kΩ typ. 5 O.C.P DIAG DET GND1 7 4 10 Drive CONT. 11kΩ typ. 11 O.C.P DIAG DET VCE (sat) Output terminal sink current Saturation voltage of DIAG output 0.5 V IO (off) 2.0 mA VDL 0.3 V IO 1.0A, VBopr = 6 to 16V VO = 0V, VIN = 0V NI4 100 µA Open load detection resistor Ropen 30 kΩ Overcurrent protection starting current IS 1.6 A VO = VBopr –1.9V TON 8 30 µS IO = 1A 15 30 µS IO = 1A TPLH 10 30 µS IO = 1A TPHL 15 30 µS IO = 1A DIAG output transfer time Out3 Drive CONT. 11kΩ typ. 13 O.C.P 15 12 Out4 VDIAG = 5V TOFF Output transfer time 14 DIAG DET I DIAG = 3mA GND4 IDGH 9 T.S.D DIAG4 Leak current of DIAG output Out2 Pre. Reg. NI3 DIAG3 Saturation voltage of output transistor Out1 T.S.D DIAG2 Quiescent circuit current (per circuit) Threshold input voltage Ratings [Abbreviations] Drive: Drive circuit CONT: ON/OFF circuit Pre.Reg: Pre-regulator DIAG.DET.: Diagnostic circuit O.C.P.: Overcurrent protection T.S.D.: Thermal protection Standard Circuit Diagram Note: * The rule of protection against reverse connection of power supply is VB = –13V, one minute (all terminals except VB and GND should be open). VB PZ D1 Out Diagnostic Function SLA2502M IN VCC DIAG 5.1kΩ VB Load GND 3.0V GND GND VIN 0.8V Truth table VIN VO VOUT SHORT Is OPEN OPEN OVER VOLTAGE H L L GND TSD Note 1: A pull-down resistor (11kΩ typ.) is connected to the IN terminal. VOUT turns "L" when a high impedance is connected to the IN terminal in series. Note 2: Grounds GND1 and GND2 are not wired internally. They must be shorted at a pattern near the product. IO GND VDIAG Normal Shorted load Open load Overvoltage Overheat ERROR SIGNAL for CPU 34 H ■ Circuit Current (single circuit) ■ Circuit Current (4 circuits) 60 200 (VB = 14V) 1.0 Ta = –40ºC 50 VB 150 Ta = –40ºC 125ºC VCE (sat) (V) 30 IB (mA) 25ºC 40 IB (mA) ■ Saturation Voltage of Output Transistor 25ºC 100 125ºC 20 VIN = 0V Ta = 125ºC 25ºC 0.5 –40ºC 50 10 VIN = 0V 0 0 10 20 30 40 0 0 46 10 20 VB (V) 30 40 0 0 46 1 VB (V) ■ Overcurrent Protection Characteristics (Ta=–40ºC) ■ Overcurrent Protection Characteristics (Ta=125ºC) ■ Overcurrent Protection Characteristics (Ta=25ºC) 20 20 20 VB = 18V VB = 18V 15 3 2 IO (A) VB = 18V 15 15 10 5 0 0 2 3 10 6V 5 6V 1 VO (V) 14V 14V VO (V) VO (V) 14V 0 0 4 1 10 5 0 0 3 2 6V 1 IO (A) IO (A) ■ Input Current (Output OFF) ■ Threshold Input Voltage 20 2 3 IO (A) ■ Input Sink Current (Output Hi) 0.5 3 VB = 14V Ta = –40ºC 0.4 25ºC 2 I IL (µA) VO (V) 25ºC –40ºC I IH (mA) Ta = 125ºC 15 VB = 14V VIN = 0V 10 0.3 125ºC 0.2 1 5 0.1 0 0 1 0 –50 3 2 0 50 VIN (V) 100 0 0 150 1 2 ■ Quiescent Circuit Current (dual circuit) ■ Saturation Voltage of DIAG Output VB = 14V IDIAG = 3mA 6 10 VO (V) Iq (mA) VDL (V) 5 VB = 14V, IO = 10mA 15 Ta = –40V 25V 125V 0.2 4 ■ Thermal Protection Characteristics VIN = 0V 20 0.3 3 VIN (V) Ta (ºC) 10 5 0.1 VO shorted VO open 0 –50 0 50 Ta (ºC) 100 150 0 0 10 20 VB (V) 30 40 46 0 0 50 100 150 200 Ta (ºC) 35 4-circuit High-side Power Switch Array SLA2502M ■ Thermal Protection Characteristics ■ Output Terminal Leak Current (VO = 0V) 15 ■ Open Load Detection Resistor 1.1 15 Ta = –40ºC 1.0 VO1 (V) TSD VB = 14V RL = 1.3kΩ 5 25ºC 0.9 ROPEN (kΩ) IOLEAK (mA) 10 125ºC 0.8 10 Ta = 125ºC 25ºC 5 0.7 –40ºC 0.6 0 0.5 0 50 100 Ta (ºC) 36 150 200 0 5 10 15 VB (V) 20 25 5 10 15 VB (V) 20