SIEMENS Smart Lowside Power Switch HITFET BTS 917 User Guide
Summary
This manual provides detailed technical documentation for the HITFET BTS 917 Smart Lowside Power Switch. This N-channel vertical power FET is a highly protected switch ideal for replacing discrete circuits and electromechanical relays in DC applications (12V and 24V). It offers comprehensive embedded protection features, including ESD, thermal management, overload detection, and short circuit protection. It is designed for controlling resistive, inductive, and capacitive loads across various switching and linear power applications.
Page 1 Text Content
HITFETBTS 917
Smart Lowside Power Switch Features Product Summary • Logic Level Input Drain source voltage V60VDS • Input Protection (ESD) On-state resistance RDS(on) mΩ • Thermal Shutdown ID(lim) 1.5 ACurrent limit • Overload protection Nominal load current 3.5 AID(ISO) • Short circuit protection Clamping energy m JEAS • Overvoltage protection • Current limitation • Maximum current adjustable with external resistor • Current sense • Status feedback with external input resistor • Analog driving possible
Application • All kinds of resistive, inductive and capacitive loads in switching or linear applications • µC compatible power switch for 12 V and 24 V DC applications • Replaces electromechanical relays and discrete circuits
General Description N channel vertical power FET in Smart SIPMOS chip on chip tech- nology. Fully protected by embedded protected functions.
Drain
Overvoltage
dv/dt Current
protection
IN limitation limitation
Over-
Overload
ESD temperature Short circuit
protection
protection protection
Source
HITFET
02.12.1998Semiconductor Group
Page Summary Contents For SIEMENS Smart Lowside Power Switch HITFET BTS 917 User Guide
Manual Details
| Brand | Siemens |
|---|---|
| Pages | 11 |
| File Size | 192.31 KB |
| Published | June 02, 2026 |
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Frequently Asked Questions
What types of loads can the BTS 917 power switch handle?
It is suitable for all kinds of resistive, inductive and capacitive loads in switching or linear applications, compatible with 12 V and 24 V DC.
Does this device offer built-in protection features?
Yes, it includes Overvoltage, Short circuit, ESD, Thermal Shutdown, and Overload protection functions.
What is the nominal continuous load current rating?
The nominal load current ($ ext{I}_{ ext{D(ISO)}}$) maximum is 3.5 A.
Is external monitoring of current possible?
Yes, it supports status feedback with an external input resistor and also offers current sense capabilities.