PROFET® BTS 640 S2
Smart Sense High-Side
Power Switch
Features
•
Short circuit protection
•
Current limitation
•
Proportional load current sense
•
CMOS compatible input
Package
•
Open drain diagnostic output
•
Fast demagnetization of inductive loads
TO220-7-11
•
Undervoltage and overvoltage shutdown with
auto-restart and hysteresis
•
Overload protection
•
Thermal shutdown
1
Standard (staggered)
•
Overvoltage protection including load dump (with
external GND-resistor)
•
Reverse battery protection (with external GND-resistor)
•
Loss of ground and loss of
V
bb
protection
•
Electrostatic discharge
(ESD) protection
Product Summary
Operating voltage
On-state resistance
Load current (ISO)
Current limitation
V
bb(on)
R
ON
I
L(ISO)
I
L(SCr)
5.0 ... 34
V
30 mΩ
12.6
A
24
A
TO220-7-12
TO263-7-2
1
SMD
1
Straight
• 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
Application
General Description
N channel vertical power FET with charge pump, ground referenced CMOS compatible input and diagnostic
feedback, proportional sense of load current, monolithically integrated in Smart SIPMOS technology.
Providing embedded protective functions.
Block Diagram
4
+ V bb
Voltage
source
V
Logic
Voltage
sensor
Overvoltage
protection
Current
limit
Gate
protection
OUT
6, 7
I
L
Charge pump
Level shifter
Rectifier
Limit for
unclamped
ind. loads
Output
Voltage
detection
Temperature
sensor
3
1
IN
Current
Sense
Load
ST
ESD
Logic
R
O
GND
5
R
IS
I
IS
IS
Signal GND
GND
PROFET
Load GND
2
Semiconductor Group
Page 1 of 15
2003-Oct-01
INFINEON [ INFINEON TECHNOLOGIES AG ]
