BTS542E2 Siemens Semiconductor Group, BTS542E2 Datasheet

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BTS542E2

Manufacturer Part Number
BTS542E2
Description
Smart Highside Power Switch (Overload protection Current limitation Short-circuit protection Thermal shutdown)
Manufacturer
Siemens Semiconductor Group
Datasheet
Smart Highside Power Switch
Features
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Application
· m
·
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General Description
N channel vertical power FET with charge pump, ground referenced CMOS compatible input and diagnostic
feedback, integrated in Smart SIPMOS
functions.
1)
2)
Semiconductor Group
Overload protection
Current limitation
Short-circuit protection
Thermal shutdown
Overvoltage protection (including load dump)
Fast demagnetization of inductive loads
Reverse battery protection
Undervoltage and overvoltage shutdown with
auto-restart and hysteresis
Open drain diagnostic output
Open load detection in ON-state
CMOS compatible input
Loss of ground and loss of V
Electrostatic discharge (ESD) protection
feedback for 12 V and 24 V DC grounded loads
All types of resistive, inductive and capacitve loads
Replaces electromechanical relays and discrete circuits
C compatible power switch with diagnostic
No external components required, reverse load current limited by connected load.
Additional external diode required for charged inductive loads
4
2
ESD
Voltage
Voltage
source
sensor
Logic
8
1 )
bb
protection
Overvoltage
protection
Charge pump
â
Level shifter
Rectifier
chip on chip technology. Fully protected by embedded protection
1
2)
Page 1 of 13
Current
Product Summary
Overvoltage protection
Operating voltage
On-state resistance
Load current (ISO)
Current limitation
limit
unclamped
Open load
Short circuit
detection
detection
ind. loads
Limit for
protection
Gate
Temperature
sensor
TO-218AB/5
PROFET ® BTS 542 E2
PROFET
V
V
R
I
I
L(ISO)
L(SCr)
bb(AZ)
bb(on)
ON
3
5
4.5 ... 42 V
8.Jan.96
63
18 m
21
70
W
V
A
A

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BTS542E2 Summary of contents

Page 1

Smart Highside Power Switch Features · Overload protection · Current limitation · Short-circuit protection · Thermal shutdown · Overvoltage protection (including load dump) · Fast demagnetization of inductive loads · Reverse battery protection · Undervoltage and overvoltage shutdown ...

Page 2

Pin Symbol 1 GND - OUT O (Load, L) Maximum Ratings °C unless otherwise specified j Parameter Supply voltage (overvoltage protection see page 3) Load ...

Page 3

Electrical Characteristics Parameter and Conditions ° unless otherwise specified j bb Load Switching Capabilities and Characteristics On-state resistance (pin Nominal load current (pin 3 ...

Page 4

Parameter and Conditions ° unless otherwise specified j bb Protection Functions Initial peak short circuit current limit (pin max 400 > ON(SC) ...

Page 5

Parameter and Conditions ° unless otherwise specified j bb Input and Status Feedback Input turn-on threshold voltage Input turn-off threshold voltage Input threshold hysteresis Off state input current (pin 2 ...

Page 6

Truth Table Input- Output level level Normal L L operation Open load Short circuit GND H L Short circuit Overtem perature ...

Page 7

Short Circuit detection Fault Condition: V > 8.3 V typ.; IN high ON Logic unit Inductive and overvoltage output clamp V clamped typ. ON Overvolt. and reverse batt. protection 120 typ ...

Page 8

V disconnect with charged inductive bb load PROFET PROFET Semiconductor Group Inductive Load switch-off energy dissipation PROFET = Energy dissipated in PROFET < Load ...

Page 9

Options Overview all versions: High-side switch, Input protection, ESD protection, load dump and reverse battery protection , protection against loss of ground Type Logic version Overtemperature protection T j >150 °C, latch function >150 ...

Page 10

Timing diagrams Figure 1a: V turn on d(bb IN OUT AAA A AAAAAAAAAAAAAA AAAAAAAAA A A AAAAAA A A AAAAAA AAA AAA AA AA AAA AA AA AAA AA AA ...

Page 11

Figure 3b: Turn on into overload L(SCp) I L(SCr) ST Heating up may require several milliseconds < 8.3 V typ. bb OUT Figure 3c: Short circuit while on OUT I ...

Page 12

Figure 5b: Open load: detection in ON-state, open load occurs in on-state IN t d(ST OL1 OUT normal I open tbd s typ tbd s typ d(ST OL1) d(ST OL2) Figure ...

Page 13

Package and Ordering Code All dimensions in mm Standard TO-218AB/5 Ordering code BTS 542 E2 Q67060-S6951-A2 Semiconductor Group Page 13 8.Jan.96 ...

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