BTS 50070-1TMB Infineon Technologies, BTS 50070-1TMB Datasheet

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Table of Contents 1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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Smart High-Side Power Switch PROFET™ One Channel 1 Overview Features • Part of scalable product family • Load current sense • Reversave™ • Very low standby current • Current controlled input pin • Improved electromagnetic compatibility (EMC) • Fast demagnetization ...

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Protective Functions • Reversave™, channel switches on in case of reverse polarity • Reverse battery protection without external components • Short circuit protection with latch • Overload protection • Multi-step current limitation • Thermal shutdown with restart • Overvoltage protection ...

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Block Diagram and Terms 2.1 Block Diagram logic Figure 1 Block Diagram 2.2 Terms Following figure shows all terms used in this data sheet ...

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Pin Configuration 3.1 Pin Assignment BTS50070-1TMB Figure 3 Pin Configuration 3.2 Pin Definitions and Functions Pin Symbol Function 1, 2 OUT Output; output to the load; pin and 7 must be externally shorted Input; ...

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General Product Characteristics 4.1 Absolute Maximum Ratings 1) Absolute Maximum Ratings T = 25°C (unless otherwise specified) j Pos. Parameter Supply Voltages 4.1.1 Supply voltage 4.1.2 Supply voltage for short circuit protection 2) (single pulse) 4.1.3 Supply Voltage for ...

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Note: Integrated protection functions are designed to prevent IC destruction under fault conditions described in the data sheet. Fault conditions are considered as “outside” normal operating range. Protection functions are not designed for continuous repetitive operation. 4.2 Thermal Resistance Pos. ...

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Power Stages The power stage is built by a N-channel vertical power MOSFET (DMOS) with charge pump. 5.1 Input Circuit Figure 4 shows the input circuit of the BTS50070-1TMB. The current source to V switches off in case of ...

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W\ $ /    Figure 6 Typical On-State Resistance 25°C j Figure 7 Typical Output Voltage Drop Limitation 5.3 Output Inductive ...

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V Figure 8 Output Clamp To prevent destruction of the device, there is a voltage clamp mechanism implemented that keeps the voltage drop across the device at a certain level ( inductance is limited. V OUT OUT(CL) ...

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≤ 150°C T j(o) Figure 10 Maximum load inductance for single pulse, Datasheet  P+      T ≤ 150°C. j(0) 12 Smart High-Side Power Switch BTS50070-1TMB Power Stages $  ...

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Electrical Characteristics -40 ... 150 °C (unless otherwise specified) Typical values are given Pos. Parameter General 1) 5.4.1 Operating voltage 5.4.2 Undervoltage shutdown 5.4.3 Undervoltage restart of charge pump 5.4.4 ...

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-40 ... 150 °C (unless otherwise specified) Typical values are given Pos. Parameter 5.4.16 Slew rate On 25% to 50% V OUT 5.4.17 Slew rate Off 50% to 25% V OUT ...

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Protection Functions The device provides embedded protective functions. Integrated protection functions are designed to prevent IC destruction under fault conditions described in the data sheet. Fault conditions are considered as “outside” normal operating range. Protection functions are neither designed ...

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V detection ON(SC > V ONx I Lx(SC d(SC1) Figure 12 Overload Behavior 6.2 Short circuit impedance The capability to handle single short circuit events depends on the battery voltage ...

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Reverse Polarity Protection - Reversave™ The device can not block a current flow in reverse polarity condition. In order to minimize power dissipation, the device offers Reversave™ functionality. In reverse polarity condition the channel will be switched on provided ...

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Overvoltage Protection Beside the output clamp for the power stage as described in implemented for all logic pins. See IN Figure 15 Overvoltage Protection 6.5 Loss of Ground Protection In case of complete loss of the device ground connections ...

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Electrical Characteristics -40 ... 150 °C (unless otherwise specified) Typical values are given Pos. Parameter Overload Protection 6.7.1 Load current limitation peak T = -40 ° +25 ...

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Short circuit current limit for max. duration of 3) min. value valid only if input “off-signal” time exceeds 30 µs Datasheet Smart High-Side Power Switch t , prior to shutdown, see also Figure d(SC1) 20 BTS50070-1TMB Protection Functions 12. ...

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Diagnosis For diagnosis purpose, the BTS50070-1TMB provides an enhanced sense signal at the pin IS. The pin IS provides during normal operation a sense current, which is proportional to the load current as long as V > ...

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N Figure 18 Current sense ratio Details about timings between the diagnosis signal state can be found in Figure 19. Note: During operation at low load current and at activated forward voltage drop limitation the “two level control” ...

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Electrical Characteristics -40 ... 150 °C (unless otherwise specified) Typical values are given Pos. Parameter Load Current Sense 7.1.1 Current sense ratio, static on- condition I =35A L I =10A ...

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Package Outlines 0...0.3 0...0.15 1) Typical Metal surface min 7.25 12.3 All metal surfaces tin plated, except area of cut. Figure 20 PG-TO220-7-12 Green Product To meet the world-wide customer requirements for environmentally friendly products ...

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Revision History Version Date Changes Datasheet 2008-09-01 Initial version of datasheet. Rev. 1.0 Datasheet Smart High-Side Power Switch 25 BTS50070-1TMB Revision History Rev. 1.0, 2008-09-05 ...

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... Infineon Technologies Office. Infineon Technologies components may be used in life-support devices or systems only 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 or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body or to support and/or maintain and sustain and/or protect human life ...

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... Published by Infineon Technologies AG ...