BTS721L1
Block diagram
Four Channels; Open Load detection in on state;
Voltage
source
Overvoltage
protection
Current
limit 1
+ V bb
Gate 1
protection
Leadframe
Channel 1
V
Logic
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
18
3
5
4
IN1
IN2
Temperature
sensor 1
ESD
ST1/2
Logic
Channel 2
2
GND1/2
Level shifter
Rectifier 2
Limit for
unclamped
ind. loads 2
Open load
Short to Vbb
detection 2
OUT2
17
Load
Temperature
sensor 2
R
R
O1
O2
GND1/2
Load GND
Signal GND
Chip 1
Chip 1
+ V bb
Channel 3
Leadframe
Logic and protection circuit of chip 2
(equivalent to chip 1)
7
9
8
IN3
IN4
ST3/4
OUT3
14
Channel 4
OUT4
13
Load
6
GND3/4
PROFET
Signal GND
Chip 2
®
R
R
O3
O4
GND3/4
Load GND
Chip 2
Leadframe connected to pin 1, 10, 11, 12, 15, 16, 19, 20
Maximum Ratings
at
T
j
= 25°C unless otherwise specified
Parameter
Supply voltage (overvoltage protection see page 4)
Supply voltage for full short circuit protection
T
j,start
= -40 ...+150°C
Symbol
Values
43
34
Unit
V
V
V
bb
V
bb
Semiconductor Group
2
INFINEON [ INFINEON TECHNOLOGIES AG ]
