BTS7040-1EPA
PROFET™+2
Smart High-Side Power Switch
1x 40 mΩ
Package
Marking
PG-TSDSO-14-22
7040-1A
1
•
•
•
Overview
Suitable for resistive, inductive and capacitive loads
Replaces electromechanical relays, fuses and discrete circuits
Driving capability suitable for 4.5 A loads and high inrush current loads
such as P27W + R5W lamps or LED equivalent
Potential Applications
V
BAT
R/L cable
T
1
C
VS
V
DD
R
OL
VDD
GPIO
R
IN
IN
VS
OUT
R
PD
GPIO
R
DEN
DEN
C
OUT0
R/L cable
D
Z2
Microcontroller
A/D IN
C
SENSE
R
AD
R
IS_PROT
IS
GND
D
Z1
VSS
R
SENSE
R
GND
App_1CH_LI_INTDIO.emf
Figure 1
BTS7040-1EPA Application Diagram. Further information in
Chapter 10
Data Sheet
www.infineon.com
1
Rev. 1.00
2018-05-23
BTS7040-1EPA
PROFET™+2
Overview
Basic Features
•
•
•
•
•
•
High-Side Switch with Diagnosis and Embedded Protection
Part of PROFET™+2 Family
ReverSave™ for low power dissipation in Reverse Polarity
Switch ON capability while Inverse Current condition (InverseON)
Green Product (RoHS compliant)
Qualified in accordance with AEC Q100 grade 1
Protection Features
•
•
•
•
Absolute and dynamic temperature limitation with controlled restart
Overcurrent protection (tripping) with Intelligent Restart Control
Undervoltage shutdown
Overvoltage protection with external components
Diagnostic Features
•
•
•
Proportional load current sense
Open Load in ON and OFF state
Short circuit to ground and battery
Description
The BTS7040-1EPA is a Smart High-Side Power Switch, providing protection functions and diagnosis. The
device is integrated in SMART7 technology.
Table 1
Parameter
Minimum Operating voltage (at switch ON)
Minimum Operating voltage (cranking)
Maximum Operating voltage
Minimum Overvoltage protection (T
J
= 25 °C)
Maximum current in Sleep mode (T
J
≤
85 °C)
Maximum operative current
Maximum ON-state resistance (T
J
= 150 °C)
Nominal load current (T
A
= 85 °C)
Typical current sense ratio at
I
L
=
I
L(NOM)
Product Summary
Symbol
V
S(OP)
V
S(UV)
V
S
V
DS(CLAMP)_25
I
VS(SLEEP)
I
GND(ACTIVE)
R
DS(ON)_150
I
L(NOM)
k
ILIS
Values
4.1 V
3.1 V
28 V
35 V
0.5 µA
4 mA
36 mΩ
4.5 A
1800
Data Sheet
2
Rev. 1.00
2018-05-23
BTS7040-1EPA
PROFET™+2
Block Diagram and Terms
2
2.1
Block Diagram and Terms
Block Diagram
VS
Supply Voltage
Monitoring
Overvoltage
Protection
Internal Power Supply
Intelligent Restart
Control
IS
SENSE Output
Channel
Voltage Sensor
Overtemperature
Overvoltage
Clamping
Overcurrent
Protection
OUT
T
IN
ESD
Protection
+
Input Logic
DEN
Driver
Logic
Gate Control
+
Chargepump
ReverSave
TM
InverseON
Internal Reverse
Polarity Protection
GND Circuitry
Load Current Sense
Output Voltage Limitation
GND
Block_PROFET1ch_REVON.emf
Figure 2
Block Diagram of BTS7040-1EPA
Data Sheet
3
Rev. 1.00
2018-05-23
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