BTS71220-4ESA
SPOC™+2
SPI Power Controller
2x 9.5 mΩ
2x 22.5 mΩ
Package
Marking
PG-TSDSO-24-32
71220-4ESA
1
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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
VS 1
C
VD D
Fail-safe
Control
R
IN
VDD
VS
VCC
R
IN
IN0
IN1
IN2
IN3
R
P ROT
D
Z1
GPIO
R
IN
R
IN
R
IN
OUT0
OUT1
OUT2
OUT3
GND
VDD
C
OUT
55W
27W
27W
55W
IS
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
LHI
Fail-safe
Control
SPI
GND
VSS
Application_220_noED.emf
Figure 1
Application Diagram. Further information in
Chapter 11
Data Sheet
www.infineon.com
1
Rev. 1.00
2018-06-11
BTS71220-4ESA
SPOC™+2
Overview
Basic Features
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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 all Channels
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 BTS71220-4ESA 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)
Maximum operative current
Data Sheet
Product Summary
Symbol
V
S(OP)
V
S(UV)
V
S
V
DD
V
DS(CLAMP)_25
I
VS(SLEEP)_85
I
GND(ACTIVE)
2
Values
4.1 V
3.1 V
28 V
3.3 V or 5 V
35 V
0.7 µA
7 mA
Rev. 1.00
2018-06-11
嵌入式系统
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