BTS308 Siemens Semiconductor Group, BTS308 Datasheet
BTS308
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BTS308 Summary of contents
Page 1
Smart Highside Power Switch Features Overload protection Current limitation Short circuit protection Thermal shutdown Overvoltage protection (including load dump) Fast demagnetization of inductive loads 1 ) Reverse battery protection Undervoltage and overvoltage shutdown with auto-restart and hysteresis Open drain diagnostic ...
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Pin Symbol 1 GND - OUT O (Load, L) Maximum Ratings °C unless otherwise specified j Parameter Supply voltage (overvoltage protection see page 3) Load ...
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Electrical Characteristics Parameter and Conditions ° unless otherwise specified j bb Load Switching Capabilities and Characteristics On-state resistance (pin 0 12V ...
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Parameter and Conditions ° unless otherwise specified j bb Protection Functions Initial peak short circuit current limit (pin max 100 > ON(SC) V ...
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Parameter and Conditions ° unless otherwise specified j bb Input and Status Feedback Input resistance see circuit page 6 Input turn-on threshold voltage Input turn-off threshold voltage Input threshold hysteresis, T Off ...
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Truth Table Input- Output level level Normal L L operation Open load Short circuit GND H L Short circuit Overtem perature ...
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Inductive and overvoltage output clamp V Z GND V clamped typ. ON Overvolt. and reverse batt. protection Logic GND V = 6.2 V typ ...
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V disconnect with charged external bb inductive load high OUT PROFET GND other external inductive loads L are connected to the PROFET, additional elements like D are ...
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Options Overview all versions: High-side switch, Input protection, ESD protection, load dump and reverse battery protection with 150 Type Logic version Overtemperature protection with hysteresis T j >150 °C, latch function >150 °C, with ...
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Timing diagrams Figure 1a: V turn on d(bb IN OUT A ST open drain A in case of too early V IN =high the device may not turn on (curve A) t approx. 150 ...
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Figure 3c: Short circuit while on OUT I L **) **) current peak approx Figure 4a: Overtemperature, Reset if (IN=low) and ( T < OUT ...
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Figure 6b: Undervoltage restart of charge pump bb(o rst) bb(u rst) V bb(u cp) V bb(under) charge pump starts at V =4.9 V typ. bb(ucp) Figure 7a: Overvoltage ON(CL) bb(over) bb ...
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... List (Page 1) due to the fact, that where may occure problems with current limit. Initial short circuit current limit I L(SCp) "V =3V" deleted ON Option overview, Short circuit to GND protection, " " deletet for V > typ bb BTS308, only valid for BTS410H2 ) with the express written approval ) of ...