BTS71220-4ESE
SPOC™+2
SPI Power Controller
2x 9.5 mΩ
2x 22.5 mΩ
Package
Marking
PG-TSDSO-24-32
71220-4ESE
1
•
•
•
Overview
Suitable for resistive, inductive and capacitive loads
Replaces electromechanical relays, fuses and discrete circuits
Driving capability suitable for 5 A and 3 A loads and high inrush current
loads such as 55W bulb, HID or LED equivalent and 27W bulb or LED
equivalent
Potential Applications
V
BAT
logic supply
T
1
R
VD D
C
VD D
Fail-safe
Control
R
IN
C
VS 1
VDD
VS
VCC
R
IN
IN0
IN1
OUT0
OUT1
R
P ROT
D
Z1
GPIO
R
IN
55W
27W
27W
55W
C
OU T
IS
GND
VDD
OUT2
OUT3
C
VS 2
D
Z2
AD
e.g. XC2267
C
AD C
R
C SN
R
SC LK
R
SO
R
SI
µC
CSN
SCLK
SO
SI
SPI
LHI
R
LH I
Fail-safe
Control
C
VS 1
SPI
VS
VSS
External Driver
Control
GND
EDO
EDD
R
ED O
R
ED D
IN
DEN
IS
PROFET
OUT
C
OUT
GND
Application_220_ED.emf
Figure 1
Application Diagram. Further information in
Chapter 11
Data Sheet
www.infineon.com
1
Rev. 1.00
2018-06-11
BTS71220-4ESE
SPOC™+2
Overview
Basic Features
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•
•
•
•
•
•
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•
High-Side Switch with Diagnosis and Embedded Protection
Part of SPOC™+2 Family
Daisy Chain capable SPI interface
3.3 V and 5 V compatible logic pins
Slew rate control for internal Channels
Integrated control for one external smart power switch
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
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•
Absolute and dynamic temperature limitation with controlled restart
Overcurrent protection (tripping) with Programmable Restart Control and Current Threshold
Undervoltage shutdown
Overvoltage protection with external components
Diagnostic Features
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Proportional load current sense multiplexed
Open Load in ON and OFF state
Short circuit to ground and battery
Diagnosis feedback via SPI
Functional Safety Features
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Limp Home mode
Monitoring of Input pin status (IN and LHI)
Checksum verification of Configuration Registers
Current Sense verification mode
Description
The BTS71220-4ESE is a SPI Power Controller, 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
Digital Supply voltage
Minimum Overvoltage protection (T
J
= 25 °C)
Maximum current in Sleep mode (T
J
≤
85 °C)
Data Sheet
Product Summary
Symbol
V
S(OP)
V
S(UV)
V
S
V
DD
V
DS(CLAMP)_25
I
VS(SLEEP)_85
2
Values
4.1 V
3.1 V
28 V
3.3 V or 5 V
35 V
0.7 µA
Rev. 1.00
2018-06-11
BTS71220-4ESE
SPOC™+2
Overview
Table 1
Parameter
Maximum operative current
Maximum ON-state resistance (T
J
= 150 °C)
channels 0 and 3
Maximum ON-state resistance (T
J
= 150 °C)
channels 1 and 2
Nominal load current (T
A
= 85 °C)
channels 0 and 3
Nominal load current (T
A
= 85 °C)
channels 1 and 2
Typical current sense ratio at
I
L
=
I
L(NOM)
channels 0 and 3
Typical current sense ratio at
I
L
=
I
L(NOM)
channels 1 and 2
SPI clock frequency
Product Summary
(continued)
Symbol
I
GND(ACTIVE)
R
DS(ON)_150
R
DS(ON)_150
I
L(NOM)
I
L(NOM)
k
ILIS
k
ILIS
f
SCLK(max)
Values
7 mA
16.5 mΩ
38 mΩ
5A
3A
5000
2000
5 MHz
Data Sheet
3
Rev. 1.00
2018-06-11
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