Surface-mount 4-circuit Low-side Switch Array SPF5001 External Dimensions (unit: mm) Features ● DMOS 4ch output ● Allows ON/OFF using C-MOS logic level ● Built-in overcurrent, overvoltage and thermal protection circuits 12.2 ±0.2 +0.2 V Conditions 40 40 V 1 VIN –0.5 to +7.5 V 1.27 ±0.25 Output current IO 1.8 A Power Dissipation PD 2 W Storage temperature Tstg –40 to +150 ºC Channel temperature Tch 150 ºC Output avalanche capability EAV 100 mJ 2.0 –0.8 Unit 7.5 ±0.2 Ratings VB Input terminal voltage 9 (Ta=25ºC) Symbol VOUT Output terminal voltage Fin thickness 8 +0.15 0.4 –0.05 2.5 ±0.2 Power supply voltage 1.0 –0.05 16 Absolute Maximum Ratings Parameter +0.1 10.5 ±0.2 +0.15 0.25 –0.05 Single pulse Equivalent Circuit Diagram VB VOUT1 Gate Protction Electrical Characteristics Reg. REF (VB =14V, Tc = –40 to +125ºC unless otherwise specified) OVP Ratings Parameter Power supply voltage Quiescent circuit current Symbol VBopr min typ 5.5 4 Iq max Unit Conditions Gate Driver TSD OCP 32 V 6 mA V Hi output VIN 3.5 5.5 Lo output VIN –0.5 1.5 V Hi output I IN 50 µA Lo output I IN P-GND VIN1 All outputs are OFF 250 kΩ typ IO = 1.5A Input voltage Input current Output ON voltage Output ON resistance Output clamp voltage 30 µA VIN = 0V 0.42 0.55 V IO = 1A 0.64 0.75 V IO = 1.5A VDS (on) 0.25 0.3 Ω 0.3 0.4 Ω Ta = 25ºC, VB = 5.5V 45 55 V VB = 14V, ID = 1A RDS (on) VOUT (clamp) 41 Ta = 25ºC Output leak current I OH 100 µA VO = 30V Forward voltage of output stage diode VF 1.5 V I F = 1.5A Overvoltage protection starting voltage VB (ovp) 32 40 V Thermal protection starting temperature TTSD 151 Overcurrent protection starting current VOUT2 VIN3 VOUT3 VIN4 VOUT4 L-GND Circuit Example Stepper motor VCC 2 165 ºC 6 IS 1.9 A 12 14 TON 15 µS RL = 14Ω, I O = 1A 15 µS RL = 14Ω, I O = 1A Output rise time Tr 15 µS RL = 14Ω, I O = 1A Output fall time Tf 15 µS RL = 14Ω, I O = 1A IN2 L H 15 5 VB SPF5001 IN3 IN4 L-GND 13 P-GND 1,9 Use L-GND and P-GND being connected. Truth table VIN VO L 7 OUT2 OUT4 IN1 CONTROL UNIT H 10 OUT1 OUT3 4 TOFF Output transfer time VIN2 VIN = 5V Timing Chart OVP VB VOUT VIN Normal Overvoltage Overheat Overcurrent * Self-excited frequency is used in the overcurrent protection. 38 ■ Quiescent Circuit Current ■ Circuit Current (single circuit) ■ Circuit Current (4 circuits) 12 10 12 VIN = 5V Ta = 125ºC Ta = 25ºC 4 Ta = –40ºC Ta = 125ºC 8 8 Ta = 25ºC 6 Ta = –40ºC Ta = 125ºC 6 Ta = 25ºC Ta = –40ºC 4 2 0 10 Iq (mA) 6 Iq (mA) Iq (mA) 8 VIN = 5V 10 4 2 0 10 20 30 0 40 2 0 10 20 VB (V) 30 0 40 10 20 2.0 VB = 5.5V VB = 14V VB = 14V VO = 14V IO = 0.1A 0.8 Ta = –40ºC Ta = 25ºC Ta = 125ºC Ta = 125ºC Ta = 125ºC Ta = 25ºC Ta = –40ºC 1.5 0.6 I F (A) VDS (ON) (V) Ta = 25ºC VO (V) 40 ■ Forward Voltage of Output Stage Diode 1.0 15 30 VB (V) ■ Output ON Voltage ■ Threshold Input Voltage 10 0 VB (V) 1.0 0.4 5 0 0 1 2 3 0 0 0.5 1.0 IO (A) VIN (th) (V) 0.5 Ta = –40ºC 0.2 1.5 2.0 0 0 0.5 1.0 1.5 VF (V) ■ Overvoltage Protection Starting Voltage 15 VO = 14V IO = 0.1A Ta = –40ºC Ta = 25ºC Ta = 125ºC VO (V) 10 5 0 0 10 20 30 40 VB (V) 39