®
PROFET BTS 621 L1
Smart Two Channel Highside Power Switch
Features
Product Summary
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Overload protection
Overvoltage protection Vbb(AZ)
43
V
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
V
5.0 ... 34 V
both
parallel
Operating voltage
bb(on)
channels: each
On-state resistance RON
Load current (ISO) IL(ISO)
Current limitation
100
4.4
8
50
8.5
8
mΩ
A
1
)
IL(SCr)
A
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Open drain diagnostic output
Open load detection in ON-state
CMOS compatible input
TO-220AB/7
Loss of ground and loss of V protection
bb
Electrostatic discharge (ESD) protection
7
7
7
Application
1
1
1
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Straight leads
µC compatible power switch with diagnostic
SMD
Standard
feedback for 12 V and 24 V DC grounded loads
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All types of resistive, inductive and capacitve loads
Replaces electromechanical relays, fuses and discrete circuits
General Description
N channel vertical power FET with charge pump, ground referenced CMOS compatible input and diagnostic
feedback, monolithically integrated in Smart SIPMOS technology. Fully protected by embedded protection
functions.
+ V
bb
4
Curre nt
lim it 1
G a te 1
p ro te c tio n
Vo lta g e
so urc e
Ove rvo lta g e
p ro te c tio n
V
Logic
OUT1
Lim it fo r
unc la m p e d
ind . lo a d s 1
Volta g e
se nso r
Le ve l shifte r
Re c tifie r 1
1
Te m p e ra ture
se nso r 1
3
6
IN1
IN2
Cha rg e
p um p 1
Op e n lo a d
Sho rt to Vb b
d e te c tio n 1
Log ic
ESD
Cha rg e
p um p 2
5
G a te 2
p ro te c tio n
ST
Curre nt
lim it 2
OUT2
Le ve l shifte r
Re c tifie r 2
Lim it fo r
unc la m p e d
ind . lo a d s 2
7
Load
Te m p e ra ture
se nso r 2
Op e n lo a d
Sho rt to Vb b
d e te c tio n 2
R
R
O1
O2
GND
GND
PROFET
2
Signal GND
Load GND
1)
With external current limit (e.g. resistor R =150 Ω) in GND connection, resistor in series with ST
GND
connection, reverse load current limited by connected load.
Semiconductor Group
1
12.96