BTS730 SIEMENS | Alldatasheet

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Technical content

Semiconductor Group 1 12.96 PWM Power Unit The device allows continuous power control for lamps,LEDs or inductive loads.

  • Highside switch
  • Overtemperatur protection
  • Short circuit / overload protection through pulse width reduction and overload shutdown
  • Load dump protection
  • Undervoltage and overvoltage shutdown with auto-restart and hysteresis
  • Reverse battery protection 1)
  • Timing frequency adjustable
  • Controlled switching rise and fall times
  • Maximum current internally limited
  • Protection against loss of GND 2)
  • Electrostatic discharge (ESD) protection
  • Package: P-DSO-20-6 (SMD) Note: Switching frequency is programmed with an external capacitor. Type Ordering Code Marking Package BTS730 Q67060-S7007-A2 - P-DSO-20-6 Maximum Ratings Parameter Symbol Values Unit Active overvoltage prodection Vbb (AZ ) >40 V Short circuit current ISC self-limited- Input current (DC ) ICt 2 mA Pin1 (C t) and pin19 (VC ) IVC 2 mA Operating temperature range Tj -40...+150 °C Storage temperature range Tstg -50...+150 Power dissipation 3) Ta=25°C Ptot 3 W Ta=85°C 2 W Thermal resistance chip-case 3) R th JC ≤ 35 K/W chip-ambientR th JA ≤ 75 With 150Ω resistor in signal GND connection. Potential between signal GND and load GND >0.5V Device on 50mm*50mm *1.5mm epoxy PCB FR4 with 6 cm (one layer,70µm thick) copper area for Vbb conection, PCB is vertical without air blowing.

Pin Definitions and Funktions Pin Symbol Funktions

1 C t Timing capacitor

2 C B1 Bootstrap capacitor

3 C B2

4,5,6,7 Vbb Supply voltage 14,15,16,1 (Leadframe connected) 8,9,10 OUT Output 11,12,13

18 GND Ground

19 VC Voltage for PWM-Control

20 VREF Reference Voltage

Pin Configuration (top view) C t 1 /G25

20 VREF

Cap. Bootstrap Capacitor CB1 25k68nF 22nF (4,5,6,7) Temperature Sensor (14,15,16,17)

Electrical Characteristics

at Tj = 25 /G69 C, unless otherwise specified.CBootstrap = 22nF Parameter Symbol Values Unit min. typ. max. On-state resistance R ON - - 70 m Ω IL=3A, Vbb=12V Operating voltage Vbb 5.9 1) 16.9 2) V Nominal current, calculated value IL-ISO 3 - - A ISO-standard: Vbb-VOUT ≤ 0.5V, Tc=85°C Load current limit ILLim - 20 - A Vbb-VOUT > 1V Undervoltage shutdown Vbb(LOW ) 3 4.2 5.4 V IL = 3A Overvoltage shutdown Vbb(HI) 17 18 19 V IL = 3A Max.output voltage (RMS)VRMSmax 12 - 14 V IL = 3A,Vbb > 12 V Reference voltage VREF 2 3 V IREF = 10mA Reference current IREF - 150 - mA pin 18 (GND) to pin 20 (VREF ) short Internal current consumption during IR - 5 mA operation, measured in PWM gap Bootstrap voltage, pin 2 (C B1) to pin 3 (C B2) VB - 10 - V Vbb = 12 V, PWM frequency fPWM 50 - 100 Hz Max. pulse duty factorD imax 95 98 - % IL = 3A,VC =0V , (50% VOUT ) Min. pulse duty factorD imin - 8 14 % IL = 3A,VC =0V , (50% VOUT ) Slew rate "on" du/dt(on) 20 - 120 mV/µs 10 ... 90% IOUT Slew rate "off" du/dt(off) 20 - 120 mV/µs 90 ... 10% IOUT Thermal overload trip temperature Tj 150 - - °C 1) Note: undervoltage shutdown 2) Note: overvoltage shutdown

V GND C Pulse-width Comparator 2 µ A max. 2mA (20) (19) (18) Analog Logic-InputVC (19) Voltage Regulator Triangular Waveform C GND t Timing Generator 6 µ A max. 2mA (1) (18) V bb Generator InputC t (1) Voltage Sensor (typ) Undervoltage Sensor Overvoltage Sensor GND +V bb Signal to the logic unit V bb < 4.2 V +V bb Signal to the logic unit V bb > 18 V GND

Package Outline P-DSO-20-6 Dimensions in mm V bbVREF VC GND 68nF C B1 C B2C t 22nF OUT 220nF V bb 12 3 4,5,6,7 14,15,16,17 8,9,10 11,12,13 150 /G4F/G4F k25 /G4F/G4F BTS730 Load 150 /G4F/G4F Resistor for reverse battery and load dump prodection Dimming of dashboard lighting

Typ.on-state resistance R ON = f(T C ) 100 120 140 -50 -25 0 25 50 75 100 125 150 TC °C m Ω Typ. undervoltage shutdown V bb(LOW) = f(T C ) 3,0 3,5 4,0 4,5 5,0 5,5 6,0 -50 -25 0 25 50 75 100 125 150 TC °C V Typ. Load current limit ILLim = f(T C ) -50 -25 0 25 50 75 100 125 150 TC °C A Typ. overvoltage shutdown V bb(HI) = f(T C ) 17,0 17,5 18,0 18,5 19,0 19,5 20,0 -50 -25 0 25 50 75 100 125 150 TC °C V

Typ. min. puls duty factor D imin = f(T C ) -50 -25 0 25 50 75 100 125 150 TC °C Typ. PWM Frequency fPWM = f(T C ) 100 -50 -25 0 25 50 75 100 125 150 TC °C Hz Typ. max. puls duty factor D imax = f(T C ) 100 -50 -25 0 25 50 75 100 125 150 TC °C Typ. max. output voltage V RMSmax = f(T C ), Vbb > 12V 12,0 12,5 13,0 13,5 14,0 -50 -25 0 25 50 75 100 125 150 TC °C V