bts733l1 ETC-unknow, bts733l1 Datasheet
bts733l1
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bts733l1 Summary of contents
Page 1
Smart Two Channel Highside Power Switch Features Overload protection Current limitation Short-circuit protection Thermal shutdown Overvoltage protection (including load dump Reverse battery protection Undervoltage and overvoltage shutdown with auto-restart and hysteresis Open drain diagnostic output Open load detection ...
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Block diagram Two Channels; Open Load detection in on state; Voltage source V Logic Voltage sensor 3 IN1 Logic ESD 4 ST1 1 GND1 Chip 1 Signal GND Chip 1 Logic and protection circuit of chip 2 (equivalent to chip ...
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Maximum Ratings 25°C unless otherwise specified j Parameter Load current (Short-circuit current, see page Load dump protection 2 LoadDump 200 ms low or high, ) ...
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Parameter and Conditions ° unless otherwise specified j bb Nominal load current two parallel channels active: Device on PCB 85° Output current while GND disconnected or pulled ...
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Parameter and Conditions ° unless otherwise specified j bb Protection Functions Initial peak short circuit current limit, diagrams, page 11) each channel, T Repetitive short circuit current limit ...
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Parameter and Conditions ° unless otherwise specified j bb Input and Status Feedback Input resistance (see circuit page 8) Input turn-on threshold voltage Input turn-off threshold voltage Input threshold hysteresis Off state ...
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Truth Table Channel 1 Input 1 Output 1 Channel 2 Input 2 Output 2 level level Normal L L operation Open load Short circuit Overtem ...
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Input circuit (ESD protection ESD-ZD I GND ESD zener diodes are not to be used as voltage clamp at DC conditions. Operation in this mode may result in a drift of the zener voltage (increase of up ...
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Open-load detection, OUT1 or OUT2 ON-state diagnostic condition: V · < high ON ON L(OL) ON Open load Logic detection unit OFF-state diagnostic condition: V > typ.; IN low OUT OFF Open load Logic ...
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Typ. on-state resistance high [mOhm] ON 120 100 150° 85°C 25°C 40 -40° Typ. ...
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Timing diagrams Both channels are symmetric and consequently the diagrams are valid for channel 1 and channel 2 Figure 1a: V turn on: bb IN1 IN2 OUT1 V OUT2 ST open drain Figure 2a: Switching a resistive ...
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Figure 3b: Turn on into short circuit: shut down by overtemperature, restart by cooling (two parallel switched channels 1 and 2) IN1 L(SCp) t off(SC) ST1/2 ST1 and ST2 have to be configured as ...
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Figure 5c: Open load: detection in ON- and OFF-state (with R ), turn on/off to open load EXT d(ST) V OUT I L open Figure 6a: Undervoltage bb(under) V OUT ST Semiconductor Group ...
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... Package and Ordering Code Standard P-DSO-20-9 BTS733L1 All dimensions in millimetres 1) Does not include plastic or metal protrusions of 0.15 max per side 2) Does not include dambar protrusion of 0.05 max per side Definition of soldering point with temperature T upper side of solder edge of device pin 15. Pin 15 Printed circuit board (FR4, 1.5mm thick, one layer ...