bts50080a Infineon Technologies Corporation, bts50080a Datasheet
bts50080a
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bts50080a Summary of contents
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Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Smart High-Side Power Switch PROFET™ 1 Overview Features • Part of scalable product family • 3.3 and 5V compatible, ground referenced CMOS compatible inputs • Optimized electromagnetic compatibility (EMC) • Very low standby current • Stable behavior at under-voltage • ...
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Protective Functions • Short circuit protection with latch • Thermal shutdown with latch • Infineon INTELLIGENT LATCH - reset able latch resulting from protective switch-off TM • ReverSave - Reverse battery protection by self turn on of power MOSFET ...
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Block Diagram and Terms 2.1 Block Diagram control chip internal power supply IN ESD DEN protection IS Figure 1 Block Diagram 2.2 Terms Figure 2 Terms Datasheet voltage sensor over temperature ...
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Pin Configuration 3.1 Pin Assignment BTS50080-1EGA GND DEN Figure 3 Pin Configuration 3.2 Pin Definitions and Functions Pin Symbol I/O Function 1 GND - Ground connection for control chip Input: activates power switch. Has an internal ...
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General Product Characteristics 4.1 Absolute Maximum Ratings Operation outside the parameters listed here may cause permanent damage to the device. Exposure to maximum rating conditions for extended periods may affect device reliability 1) Absolute Maximum Ratings Tj = -40 ...
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Short circuit is defined as a combination of remaining resistances and inductances. See setup without the DUT connected to the generator per ISO 7637-1 and DIN 40839. R bb(LD) of the Load Dump pulse generator 5) ...
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Thermal Resistance Pos. Parameter 1) 4.3.1 Junction to case 1) 4.3.1 Control chip to case 1) 4.3.1 Junction to ambient 4) device on PCB 1) Not subject to production test, specified by design 2) Specified R value is simulated ...
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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 5 shows the input circuit of the BTS50080-1EGA. The input resistor to ground ensures that the input signal ...
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The power stage has a defined switching behavior. Defined slew rates as well as edge shaping support PWM’ing of the load while achieving lowest EMC emission at minimum switching losses ),min V IN(L ),ma x ...
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E 30 ON, typ 25°C, OFF 1Ω Figure 8 Typical switching losses 5.5 Output Inductive Clamp When switching off inductive ...
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Figure 9 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. At nominal battery voltage the output is clamped to V the ...
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T V j(0) bb P- Figure 11 Maximum energy dissipation Note: Clamping overrides all protection functionalities. In order to avoid device destruction ...
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Note: Activation of any protection mechanism will not block the current flow. Over temperature detection and current sense is not functional during inverse mode. 5.7 Undervoltage shutdown + restart The BTS50080-1EGA is supplied by event that the supply voltage drops ...
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Electrical Characteristics: Power Stages Note: Characteristics show the deviation of parameters at the given supply voltage and junction temperature. Typical values show the typical parameters expected from manufacturing -40 °C to +150 °C (unless otherwise specified) = ...
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V = -40 °C to +150 °C (unless otherwise specified typical values 13 ° Pos. Parameter 5.8.17 Inverse operation output voltage drop T ...
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Protection Functions The BTS50080-1EGA 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 bb 5uH IN OUT PROFET 10mΩ GND V bat SHORT CIRCUIT Figure 15 Short circuit 6.3 Over Temperature Protection The internal logic permanently monitors the junction temperature of the output stage. In the event of an over temperature ( ...
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IN DEN over temp. / short circuit V OUT I bb latch reset Infineon INTELLIGENT LATCH - fault acknowledge and latch reset 6.5 Reverse Polarity Protection - ReverSave The device can not block a current flow in reverse battery ...
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ESD Protection All logic pins have ESD protection. Beside the output clamp for the power stage as described clamp mechanism implemented for pin IS. See IN DEN IS Figure 18 Over-Voltage Protection 6.7 Loss of Ground ...
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Electrical Characteristics: Protection Functions Note: Characteristics show the deviation of parameters at the given supply voltage and junction temperature. Typical values show the typical parameters expected from manufacturing V = -40 °C to +150 °C (unless otherwise specified) = ...
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Diagnostic Functions For diagnosis purposes, the BTS50080-1EGA provides an Infineon 7.1 Diagnosis Enable In ON-State, diagnosis is allways enabled. Providing a low signal at the DEN pin will disable the reporting. In OFF- state, both, reporting and diagnosis can ...
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Table 1 Truth Table Operation Mode Normal Operation (ON) Inverse Operation (- Short Circuit to GND Over Temperature Short Circuit Open Load Protective switch-off resulting from Short Circuit to GND or Over 1) Temperature ...
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Figure 21 Timing of Diagnosis Signal in ON-state The accuracy of the provided current sense ratio ( k Figure 22 for details. A typical resistor R Figure 22 Current sense ratio k The diagnosis signal can be switched off ...
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Figure 23 Timing of Sense Enable Signal During fault condition an enabled IS pin provides a defined fault current I over-temperature and short circuit switch-off. Any protective switch-off during on-state causes a latched OFF of the output and reporting, until ...
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Diagnosis Disable In order to achieve minimum standby current, the IN pin and the DEN pin have to be low level. A possible preceding fault condition and reporting has to be reset by a falling edge at the pin ...
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Electrical Characteristics: Diagnostic Functions Note: Characteristics show the deviation of parameters at the given supply voltage and junction temperature. Typical values show the typical parameters expected from manufacturing -40 °C to +150 °C (unless otherwise specified) ...
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-40 °C to +150 °C (unless otherwise specified typical values ° Pos. Parameter 7.5.15 Current sense deactivation time to 1) ...
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Application schematic Figure 26 shows an example for an application schematic +5V 10K 10K µC 10K 47nF 1k GND Figure 26 application example Note: This is a simplified example of an application circuit. The function ...
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Package Outlines C 12x 0.1 C Seating Plane Index Marking 12x 0.4 0. Does not include plastic or metal protrusion of 0.15 max. per side Figure 27 PG-DSO-12-16 (Plastic Dual Small Outline Package) Green ...
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Revision History BTS50080-1EGA Revision History: V1.0, 2009-04-06 Version Date Changes Datasheet 2009-04-06 Initial version of datasheet. Rev. 1.0 Datasheet Smart High-Side Power Switch 32 BTS50080-1EGA Revision History V1.0, 2009-04-06 ...
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Edition 2009-04-06 Published by Infineon Technologies AG 81726 Munich, Germany 2009 Infineon Technologies AG © All Rights Reserved. Legal Disclaimer The information given in this document shall in no event be regarded as a guarantee of conditions or characteristics. With ...