BTS 721L1 Infineon Technologies, BTS 721L1 Datasheet

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Smart High-Side Power Switch PROFET BTS721L1 ...

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Smart Four Channel 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 ...

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Block diagram Four Channels; Open Load detection in on state; 9 Data Sheet Smart High-Side Power Switch 3 BTS721L1 Rev. 1.3, 2010-03-16 ...

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Maximum Ratings 25°C unless otherwise specified j Parameter Supply voltage (overvoltage protection see page 4) Supply voltage for full short circuit protection T = -40 ...+150°C j,start Load current (Short-circuit current, see page ...

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Electrical Characteristics Parameter and Conditions ° unless otherwise specified j bb Load Switching Capabilities and Characteristics On-state resistance ( OUT each channel, L two parallel channels, ...

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Parameter and Conditions ° unless otherwise specified j bb Leakage output current (included Operating current 5V ...

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Parameter and Conditions ° unless otherwise specified j bb Diagnostic Characteristics Open load detection current, each channel, T Open load detection voltage Internal output pull down (OUT to GND ...

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... high impedance, potential depends on external circuit ,R = 150 GND1/2 GND3/4 in the off state causes an internal current from output to ground Smart High-Side Power Switch BTS721L1 OUT2 ST1/2 OUT4 ST3/4 BTS 721L1 H ...

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Input circuit (ESD protection), 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 V). Status output, ST1/2 ...

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Open-load detection, OUT1...4 ON-state diagnostic condition: V < R · high L(OL) OFF-state diagnostic condition: V > typ.; IN low OUT GND disconnect (channel 1/2 or 3/4) Any kind of load. In case ...

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Inductive load switch-off energy dissipation Energy stored in load inductance · · While demagnetizing load inductance, the energy dissipated in PROFET ...

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Typ. on-state resistance ; high L R [mOhm] ON Typ. open load detection current IN = high L(OL) Data Sheet Smart High-Side Power Switch Typ. standby current ; V ...

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Timing diagrams Timing diagrams are shown for chip 1 (channel 1/2). For chip 2 (channel 3/4) the diagrams are valid too. The channels 1 and 2, respectively 3 and 4, are symmetric and consequently the diagrams are valid for each ...

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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) Figure 4a: Overtemperature: Reset if T < Data Sheet Smart High-Side Power Switch Figure 5a: Open ...

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Figure 5c: Open load: detection in ON- and OFF-state (with R ), turn on/off to open load EXT IN2 channel 2: normal operation d(ST) t depends on external circuitry because of high d(ST OL5) impedance Figure 6a: Undervoltage: V bb(under) ...

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Package Outlines 1.27 +0.15 0.35 Index Marking 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 Figure 1 PG-DSO-20 (Plastic Dual Small Outline Package) (RoHS-compliant) ...

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Revision History Version Date Changes Rev. 1.3 2010-03-16 page 6: changed reference to the timing diagram Rev. 1.2 2009-07-21 page 1: added new coverpage page 6: Initial short circuit shutdown time changed: t off(SC) -40 ° ...

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... Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies failure of such components can reasonably be expected to cause the failure of that life-support device or system affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body support and/or maintain and sustain and/or protect human life ...