Mini PROFET® BSP 350 MiniPROFET • High-side switch • Short-circuit protection • Overtemperature protection with hysteresis • Overload protection • Overvoltage protection • Reverse battery protection1) • Switching inductive load • Clamp of negative output voltage with inductive loads • Maximum current internally limited 4 3 2 1 Package: SOT 223 Type BSP 350 Pins: 1 IN Ordering code Q67000-S227 2 Vbb 3 OUT 4 Vbb Maximum Ratings Parameter Supply voltage Load current self-limited Maximum current through input pin (DC) Symbol Values Vbb 50 IL IL(SC) IIN ±15 Unit V A mA see internal circuit diagram Inductive load switch-off energy dissipation Operating temperature range Storage temperature range Max. power dissipation (DC)2) TA = 25 °C Thermal resistance chip - soldering point: chip - ambient:2) EAS Tj Tstg Ptot RthJS RthJA 5 -40 ...+150 -55 ...+150 1.7 17 72 mJ °C W K/W + V bb 2/4 Control Circuit OUT 3 R IN IN Temperature Sensor 1 RL GND 1) 2) For 12 V applications only. Reverse load current only limited by connected load. BSP 350 on epoxy pcb 40 mm x 40 mm x 1.5 mm with 6 cm2 copper area for Vbb connection Semiconductor Group 1 04.97 BSP 350 Electrical Characteristics Parameter and Conditions Symbol at Tj = 25 °C, Vbb = 13.5V unless otherwise specified min Load Switching Capabilities and Characteristics On-state resistance (pin 2 to 3) IL = 0.07 A, pin 1 = GND Tj = 25°C Tj = 150°C Vbb = 6 V, Tj = 25°C Nominal load current (pin 2 to 3) ISO Standard: VON = Vbb - VOUT = 0.5 V TS = 85 °C Turn-on time to 90% VOUT Turn-off time to 10% VOUT RL = 270 Ω Slew rate on 10 to 30% VOUT, RL = 270 Ω Slew rate off 70 to 40% VOUT, RL = 270 Ω Input Tj = - 40...+150°C OFF state input current RL = 270 Ω, VOUT ≤ 0,1V ON state input current, (pin 1 grounded)3) Tj = - 40...+150°C Operating Parameters Operating voltage (pin 1 grounded)4) Tj = - 40...+150°C Leakage current (pin 2 to 3, pin 1 open) Tj = 25°C Tj =150°C 3) 4) Driver circuit must be capable to drive currents >1mA. Below Vbb=4.5 V typ. without chargepump, Vout ≈ Vbb - 2 V Semiconductor Group 2 Values typ Unit max ---- 4 8 5 5 10 10 Ω 0.07 -- -- A ton toff --- 60 70 100 140 µs dV /dton -- 4 6 V/µs -dV/dtoff -- 2 6 IIN(off) -- -- 0.05 mA IIN(on) -- 0.3 1 mA 4.9 -- 45 V --- 1 1.2 10 10 µA RON IL(ISO) Vbb(on) Ibb(off) BSP 350 Parameter and Conditions Symbol at Tj = 25 °C, Vbb = 13.5V unless otherwise specified Protection Functions Current limit (pin 2 to 3)5) min Tj = 25°C Tj = -40...+150° Thermal overload trip temperature Thermal hysteresis Overvoltage protection Tj =-40...+150°C Output clamp (ind. load switch off) at VOUT = Vbb - VON(CL) Inductive load switch-off energy dissipation6) Reverse battery resistor (pin 1 to 2) Reverse Diode Continious reverse drain current Pulsed reverse drain current Diode forward on voltage IF = 0.2 A, IIN = ≤ 0.05 mA Tj = 25°C Tj = 25°C IL(SC) Values typ 0.2 0.1 150 -50 -- 0.5 --20 56 EAS RIN IS ISM VSD Tjt ∆Tjt Vbbin(AZ) VON(CL) 56 °C K V V --- -1 5 -- mJ kΩ ---- --0.9 0.2 0.8 1.2 A A V load current limits onset at IL * Ron approx. 1V short circuit protection: combination of current limit and thermal overload switch off 6) while demagnetizing load inductance, dissipated energy is EAS= ∫(VON(CL) * iL(t) dt, VON(CL) 2 approx. EAS= 1/2 * L * IL * ( ) VON(CL)-Vbb 3 max 1 1.2 ----- 5) Semiconductor Group Unit A BSP 350 Max allowable power dissipation Ptot = f (TA,TSP) Ptot [W] 8 Typ. on state resistance (Vbb- pin to OUT pin) RON = f (Vbb); IL = 70 mA; Tj = 25°C RON [Ω] 8 7 7 6 6 5 5 T SP 4 4 3 3 2 2 T A 1 1 0 0 0 25 50 75 100 125 150 TA, TSP[°C] On state resistance (Vbb- pin to OUT pin) RON = f (Tj);Vbb = 13.5 V;IL = 70 mA RON [Ω] 10 0 5 10 15 20 25 Vbb [V] Typ. short circuit current IL(SC) = f(Tj); Vbb = 13.5V ILSC [Α] 0.7 9 0.6 8 0.5 7 98% 6 0.4 5 typ 0.3 4 3 0.2 2 0.1 1 0 0 -50 -25 0 25 50 Semiconductor Group 75 100 125 150 TJ [°C] -50 4 -25 0 25 50 75 100 125 150 TJ [°C] BSP 350 Test circuit Typ. short circuit current IL(SC) = f(VON); Vbb = 13.5V; Tj = 25°C ILSC [Α] 0.7 V 2/4 V on 3 0.6 I 0.5 1 in V out V in 0.4 0.3 0.2 Turn on conditions 0.1 0 0 2 4 6 8 VON [V] Typ. short circuit current IL(SC) = f(t); Vbb = 13.5V no heatsink; Parameter: TjStart IL(SC)[mA] 1000 800 600 Chargepump threshold VON = f (Vbb) 400 125°C 25°C 200 -40°C 4 2 0 -0,5 typ. 0,5 1,5 2,5 3,5 4,5 t[s] Semiconductor Group m ax. 5,5 2 5 4 6 8 bb BSP 350 Package: all dimensions in mm. SOT 223/3: Semiconductor Group 6