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BTS54040-LBB Datasheet(PDF) 5 Page - Infineon Technologies AG

Part # BTS54040-LBB
Description  SPI Power Controller
Download  67 Pages
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Manufacturer  INFINEON [Infineon Technologies AG]
Direct Link  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

BTS54040-LBB Datasheet(HTML) 5 Page - Infineon Technologies AG

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BTS54040-LBB
List of Figures
Data Sheet
5
Rev. 2.1, 2014-12-05
Figure 1
Block Diagram BTS54040-LBB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 2
Voltage and Current Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 3
Pin Configuration TSON-24-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 4
2s2p PCB Cross Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 5
PC Board for Thermal Simulation with 600 mm² Cooling Area. . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 6
PC Board for Thermal Simulation with 2s2p Cooling Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 7
Solder Area / Vias. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 8
Typical Thermal Impedance. PCB setup according Figure 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 9
Typical Thermal Resistance. PCB setup 1s0p . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 10
Operation Mode state diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 11
Limp Home Activation as function of
V
S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 12
V
S undervoltage behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 13
R
DS(ON) variation factor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 14
Input Switch Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 15
Power Stage Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 16
Switching a Load (resistive) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 17
Typical Current Limitation variation according to
V
DS voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 18
Dynamic Temperature Sensor Operations - Short Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 19
Dynamic and Absolute Temperature Sensor Operations - Overload Condition . . . . . . . . . . . . . . . 37
Figure 20
Different counter reset according to HWCR.RCR bit value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 21
Block Diagram: Diagnosis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Figure 22
Current Sense Signal Timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 23
Current Sense Multiplexer Timings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 24
Current Sense Ratio in Open Load at ON condition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 25
Serial Peripheral Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Figure 26
Combinatorial Logic for TER Flag. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Figure 27
Daisy Chain Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Figure 28
Data Transfer in Daisy Chain Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Figure 29
Timing Diagram SPI Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Figure 30
Relationship between SI and SO during SPI communication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Figure 31
Register content sent back to µC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Figure 32
BTS54040-LBB response after an error in transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Figure 33
BTS54040-LBB response after coming out of Power-On reset at
V
DD . . . . . . . . . . . . . . . . . . . . . . 55
Figure 34
BTS54040-LBB response in case of a negative battery voltage transient . . . . . . . . . . . . . . . . . . . 55
Figure 35
Application Circuit Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Figure 36
TSON-24-1 Package drawing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Figure 37
TSON-24 Package pads and stencil. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
List of Figures


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