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BTS71220-4ESE 英飞凌芯片 INFINEON 中文版规格书手册.pdf
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BTS71220-4ESE 英飞凌芯片 INFINEON 中文版规格书手册
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Data Sheet Rev. 1.00
www.infineon.com 1 2018-06-11
BTS71220-4ESE
1 Overview
Potential Applications
• 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
Figure 1 Application Diagram. Further information in Chapter 11
SPOC™+2 2x 9.5 mΩ
SPI Power Controller 2x 22.5 mΩ
Package PG-TSDSO-24-32
Marking 71220-4ESE
SPI
VS
OUT3
OUT2
OUT1
OUT0
55W
27W
27W
55W
External Driver
Control
IS
SO
SCLK
SI
CSN
GND
LHI
R
LHI
EDD
EDO
VDD
GND
VDD
C
VD D
µC
e.g. XC2267
VSS
VCC
V
BAT
AD
logic supply
R
VD D
SPI
R
SO
R
SI
R
SC L K
R
CSN
R
IN
R
IN
GPIO IN1
IN0
Fa il -s afe
Control
C
VS 1
PROFET
IN
OUT
VS
GND
DEN
IS
C
AD C
D
Z1
R
ED O
R
ED D
D
Z2
C
VS 2
A pp l ica ti on_ 22 0_E D. em f
C
OUT
C
OUT
C
VS 1
R
PROT
R
IN
Fa il -safe
Control
T
1
Data Sheet 2 Rev. 1.00
2018-06-11
BTS71220-4ESE
SPOC™+2
Overview
Basic Features
• 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
• 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
• 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
• 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 Product Summary
Parameter Symbol Values
Minimum Operating voltage (at switch ON) V
S(OP)
4.1 V
Minimum Operating voltage (cranking) V
S(UV)
3.1 V
Maximum Operating voltage V
S
28 V
Digital Supply voltage V
DD
3.3V or 5V
Minimum Overvoltage protection (T
J
= 25 °C) V
DS(CLAMP)_25
35 V
Maximum current in Sleep mode (T
J
≤ 85 °C) I
VS(SLEEP)_85
0.7 µA
Data Sheet 3 Rev. 1.00
2018-06-11
BTS71220-4ESE
SPOC™+2
Overview
Maximum operative current I
GND(ACTIVE)
7 mA
Maximum ON-state resistance (T
J
= 150 °C)
channels 0 and 3
R
DS(ON)_150
16.5 mΩ
Maximum ON-state resistance (T
J
= 150 °C)
channels 1 and 2
R
DS(ON)_150
38 mΩ
Nominal load current (T
A
= 85 °C)
channels 0 and 3
I
L(NOM)
5 A
Nominal load current (T
A
= 85 °C)
channels 1 and 2
I
L(NOM)
3 A
Typical current sense ratio at I
L
= I
L(NOM)
channels 0 and 3
k
ILIS
5000
Typical current sense ratio at I
L
= I
L(NOM)
channels 1 and 2
k
ILIS
2000
SPI clock frequency f
SCLK(max)
5 MHz
Table 1 Product Summary (continued)
Parameter Symbol Values
Data Sheet 4 Rev. 1.00
2018-06-11
BTS71220-4ESE
SPOC™+2
Block Diagram and Terms
2 Block Diagram and Terms
2.1 Block Diagram
Figure 2 Block Diagram of BTS71220-4ESE
IS
SO
SI
VDD
BlockDiagram_4chED.emf
GND Circuitry
VS
GND
OUT2
OUT3
Reverse Polarity
Protection
OUT0
OUT1
IN0
IN1
ESD
Protection
+
I/O Logic
SCLK
CS
LHI
Limp Home Control
SPI Interface
Channel 0
Channel 1
Channel 2
Channel 3
T
Driver
Logic
Ov erte mp era tur e
Overvoltage
Clamping
Ov ercurr ent
Protection
Outp ut Voltage Limitation
Voltage Sensor
ReverSave™
In ve rseO n
EDD
EDO
Load Current Sense Multiplexer
Overvolt age Protection
VS Monitoring
Internal Power Supply
In ter nal L ogic Suppl y
External
Driver
Control
Gate Control
&
Chargepump
Data Sheet 5 Rev. 1.00
2018-06-11
BTS71220-4ESE
SPOC™+2
Block Diagram and Terms
2.2 Terms
Figure 3 shows all terms used in this data sheet, with associated convention for positive values.
Figure 3 Voltage and Current Convention
I
DD
V
DD
V
SO
V
S
I
IS
I
VS
VDD
SO
SI
SCLK
IS
VS
V
SI
V
SCLK
V
CSN
V
INn
I
INn
INn
I
CSN
CSN
V
IS
V
LH I
I
LH I
LHI
I
Ln
V
OUTn
V
DSn
I
SO
Terms_ED.emf
I
GN D
EDO
EDD
I
EDO
I
EDD
V
EDO
V
EDD
GND
OUTn
V
SIS
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