TDA3MV Datasheet, PDF (190/256 Pages) Texas Instruments – TDA3x SoC for Advanced Driver Assistance Systems (ADAS) 15mm Package (ABF) Silicon Revision 2.0

TDA3MV, TDA3MA
TDA3LX, TDA3LA
SPRS964C – JUNE 2016 – REVISED JULY 2017
2.Typical max transient current is defined as 50% of max current draw possible.
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8.3.2 Voltage Decoupling
Recommended power supply decoupling capacitors main characteristics for commercial products whose
ambient temperature is not to exceed +85C are shown in table below:
Table 8-1. Commercial Applications Recommended Decoupling Capacitors Characteristics^(1)(2)(3)
Value
Voltage Package
[V]
Stability
Dielectric Capacitan Temp
Temp
ce
Range [°C] Sensitivity
Tolerance
[%]
REFERENCE
22µF
6,3
0603
Class 2
X5R
- / + 20% -55 to + 85 - / + 15 GRM188R60J226MEA0L
10µF
4,0
0402
Class 2
X5R
- / + 20% -55 to + 85 - / + 15
GRM155R60G106ME44
4.7µF
6,3
0402
Class 2
X5R
- / + 20% -55 to + 85 - / + 15
GRM155R60J475ME95
2.2µF
6,3
0402
Class 2
X5R
- / + 20% -55 to + 85 - / + 15
GRM155R60J225ME95
1µF
6,3
0201
Class 2
X5R
- / + 20% -55 to + 85 - / + 15
GRM033R60J105MEA2
470nF
6,3
0201
Class 2
X5R
- / + 20% -55 to + 85 - / + 15
GRM033R60G474ME90
220nF
6,3
0201
Class 2
X5R
- / + 20% -55 to + 85 - / + 15
GRM033R60J224ME90
100nF
6,3
0201
Class 2
X5R
- / + 20% -55 to + 85 - / + 15
GRM033R60J104ME19
(1) Minimum value for each PCB capacitor: 100 nF.
(2) Among the different capacitors, 470 nF is recommended (not required) to filter at 5-MHz to 10-MHz frequency range.
(3) In comparison with the EIA Class 1 dielectrics, Class 2 dielectric capacitors tend to have severe temperature drift, high dependence of
capacitance on applied voltage, high voltage coefficient of dissipation factor, high frequency coefficient of dissipation, and problems with
aging due to gradual change of crystal structure. Aging causes gradual exponential loss of capacitance and decrease of dissipation
factor.
Recommended power supply decoupling capacitors main characteristics for automotive products are
shown in table below:
Table 8-2. Automotive Applications Recommended Decoupling Capacitors Characteristics ⁽¹⁾⁽²⁾
Value Voltage [V] Package
Stability
Dielectric Capacitanc Temp
Temp
e
Range [°C] Sensitivity
Tolerance
[%]
REFERENCE
22µF
6,3
1206
Class 2
X7R
- / + 20% -55 to + 125 - / + 15 GCM31CR70J226ME23
10µF
6,3
0805
Class 2
X7R
- / + 20% -55 to + 125 - / + 15 GCM21BR70J106ME22
4.7µF
10
0805
Class 2
X7R
- / + 20% -55 to + 125 - / + 15 GCM21BC71A475MA73
2.2µF
6,3
0603
Class 2
X7R
- / + 20% -55 to + 125 - / + 15 GCM188R70J225ME22
1µF
16
0603
Class 2
X7R
- / + 20% -55 to + 125 - / + 15 GCM188R71C105MA64
470nF
16
0603
Class 2
X7R
- / + 20% -55 to + 125 - / + 15 GCM188R71C474MA55
220nF
25
0603
Class 2
X7R
- / + 20% -55 to + 125 - / + 15 GCM188L81C224MA37
100nF
16
0402
Class 2
X7R
- / + 20% -55 to + 125 - / + 15 GCM155R71C104MA55
(1) Minimum value for each PCB capacitor: 100 nF.
(2) Among the different capacitors, 470 nF is recommended (not required) to filter at 5-MHz to 10-MHz frequency range.
8.3.3 Static PDN Analysis
One power net parameter derived from a PCB’s PDN static analysis is the Effective Resistance (Reff).
This is the total PCB power net routing resistance that is the sum of all the individual power net segments
used to deliver a supply voltage to the point of load and includes any series resistive elements (i.e. current
sensing resistor) that may be installed between the PMIC outputs and Processor inputs.
8.3.4 Dynamic PDN Analysis
Three power net parameters derived from a PCB’s PDN dynamic analysis are the Loop Inductance (LL),
Impedance (Z) and PCB Frequency of Interest (Fpcb).
190 Applications, Implementation, and Layout
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