BTS840S2

BTS840S2 Datasheet


BTS 840 S2

Part Datasheet
BTS840S2 BTS840S2 BTS840S2 (pdf)
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BTS 840 S2

Smart High-Side Power Switch Two Channels 2 x Current Sense

Product Summary

Package

Operating Voltage

Vbb on Active channels one

On-state Resistance Load Current ISO Current Limitation

RON IL ISO IL SCr
12A 24A
5.0...34V two parallel 24A

P-DSO-20-12 Power SO 20
• N channel vertical power MOSFET with charge pump, ground referenced CMOS compatible input, diagnostic feedback and proportional load current sense monolithically integrated in Smart
technology.
• Providing embedded protective functions
• µC compatible high-side power switch with diagnostic feedback for 12V and 24V grounded loads
• All types of resistive, inductive and capacitve loads
• Most suitable for loads with high inrush currents, so as lamps
• Replaces electromechanical relays, fuses and discrete circuits

Basic Functions
• CMOS compatible input
• Undervoltage and overvoltage shutdown with auto-restart and hysteresis
• Fast demagnetization of inductive loads
• Logic ground independent from load ground

Protection Functions
• Short circuit protection
• Overload protection
• Current limitation
• Thermal shutdown
• Overvoltage protection including load dump with external

Diagnostic Functions
• Proportinal load current sense
• Diagnostic feedback with open drain output
• Open load detection in OFF-state with external resistor
• Feedback of thermal shutdown in ON-state

Logic

ST1 Channel

Logic

ST2 Channel

PROFET

OUT 1 Load 1

OUT 2 Load 2

Infineon technologies
1 of 15
2003-Oct-01

Functional diagram

BTS 840 S2

ST1 IS1 GND1
overvoltage protection
internal voltage supply
logic
gate control
+ charge pump
current limit
clamp for inductive load
temperature sensor
Package and Ordering Code

Standard P-DSO-20-12 Power SO 20

Sales Code

BTS 840
Ordering Code

Q67060-S7013

All dimensions in millimetres

Published by Infineon Technologies AG, St.-Martin-Strasse 53, D-81669 München Infineon Technologies AG 2001 All Rights Reserved.

Attention please! The information herein is given to describe certain components and shall not be considered as a guarantee of characteristics.

Terms of delivery and rights to technical change reserved.

We hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein.

Infineon Technologies is an approved CECC manufacturer.

Information For further information on technology, delivery terms and conditions and prices please contact your nearest Infineon Technologies Office in Germany or our Infineon Technologies Representatives worldwide see address list .

Warnings Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest Infineon Technologies Office.

Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies, if a 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. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered.

Infineon technologies
2003-Oct-01
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Datasheet ID: BTS840S2 637952