PROFET® BTS621L1
Smart Two Channel Highside Power Switch
•
Overload protection
•
Current limitation
•
Short circuit protection
•
Thermal shutdown
•
Overvoltage protection (including load dump)
•
Fast demagnetization of inductive loads
•
Reverse battery protection
1)
•
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
bb
protection
•
Electrostatic discharge
(ESD) protection
Features
Product Summary
Overvoltage protection
Operating voltage
V
bb(AZ)
V
bb(on)
43
5.0 ... 34
both
V
V
channels:
On-state resistance
R
ON
Load current (ISO)
I
L(ISO)
Current limitation
I
L(SCr)
each
parallel
100
50 mΩ
4.4
8.5
A
8
8
A
TO-220AB/7
7
7
Application
1
7
• µC
compatible power switch with diagnostic
feedback for 12 V and 24 V DC grounded loads
•
All types of resistive, inductive and capacitve loads
•
Replaces electromechanical relays, fuses and discrete circuits
Standard
Straight leads
1
SMD
1
General Description
N channel vertical power FET with charge pump, ground referenced CMOS compatible input and diagnostic
feedback, monolithically integrated in Smart SIPMOS technology. Providing embedded protective functions.
Voltage
source
V
Logic
Overvoltage
protection
Current
limit 1
Gate 1
protection
+ V bb
4
Voltage
sensor
Level shifter
Rectifier 1
Charge
pump 1
Charge
pump 2
Limit for
unclamped
ind. loads 1
Open load
Short to Vbb
detection 1
Current
limit 2
Gate 2
protection
OUT1
3
6
5
IN1
IN2
Temperature
sensor 1
1
ESD
ST
Logic
Level shifter
Rectifier 2
Limit for
unclamped
ind. loads 2
Open load
Short to Vbb
detection 2
OUT2
Temperature
sensor 2
R
O1
GND
R
O2
7
Load
PROFET
2
GND
Signal GND
Load GND
1
)
With external current limit (e.g. resistor R
GND
=150
Ω)
in GND connection, resistor in series with ST
connection, reverse load current limited by connected load.
Semiconductor Group
1 of 15
2003-Oct-01