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Power Supply
45
SPRUI65A – April 2016 – Revised January 2018
Copyright © 2016–2018, Texas Instruments Incorporated
K2G General Purpose Evaluation Module (EVMK2G)
4.2
Power Supply Calculation
Enter the device active percentage of utilization (1 to 100) to obtain the total power consumption.
Table 16. Power Supply Calculation
Device
Part Number
% Utilization
Current Consumption in
mA (Maximum)
Current Consumption in
mA (Typical)
Active
12V Rail
12V Rail
Processor
66AK2Gxx
80
480.5495648
480.5495648
XDS200_Processor
AM1802BZWTD3
50
29.87481972
29.87481972
BMC_Processor
TM4C129XNCZADI3
80
232.9411765
232.9411765
CPLD
XC2C64A-5VQ44C
50
4.360465116
4.360465116
DDR3 *5
MT41K512M8RH-125:E
80
205.5612403
195.3786625
SDRAM
MT48LC4M16A2B4-75G
50
50.87209302
33.91472868
Ehternet PHY
KSZ9031RNXCA
50
28.74972222
28.74972222
Buffer *2
SN74LVC32244ZKER
80
96.89922481
87.20930233
HDMI Transmitter
SiI9022A CNU
80
31.1627907
24.93023256
12.288-MHz Oscillator
12.288MHZ CFPS-73I B
50
3.63372093
2.906976744
32.768-kHz Oscillator
AS EK-32.768KHZ-LRT
50
0.566176471
0.275
Backlight Power
TPS61081DRCT
50
43.60465116
35.12596899
LCD Module
NHD-4.3-480272EF-ATXL-
CTP
50
7.509689922
6.298449612
QSPI Flash
S25FL512SAGMFI011
50
24.2248062
24.2248062
DCAN *2
IS O1050
50
1.356589147
1.356589147
Audio Codec
TLV320AIC3106IRGZT
50
2.00500646
2.00500646
Level Translator
TWL1200ZQCR
50
11.85077519
11.85077519
I2C EEPROM
AT24CM01
50
0.726744186
0.726744186
Clock Generator
CDCM6208V2RGZT
80
116.0573333
83.11111111
Clock Synthesizer
CS2000CP-CZZ
50
5.559593023
2.906976744
DAC
DAC8550IBDGKT
50
0.060562016
0.060562016
VCXO
E6718LF
50
1.453488372
1.453488372
USB-to-UART Module
CP2105
50
4.481589147
4.481589147
UART Transceiver *2
MAX3232ECD
50
0.484496124
0.145348837
UART Transceiver
MAX3221CPWR
50
0.161764706
0.048529412
SPI EEPROM
M95512-RMN6TP
50
4.84496124
4.84496124
NAND Flash
MT29F2G16ABAEAWP-IT:E
80
13.56589147
11.62790698
eMMC
EMMC16G-S100
80
68.65064599
68.65064599
SPI Flash
IS 25CD010-JNLE
50
7.26744186
3.63372093
BMC I2Cx Bus Repeater *2
TCA9517DGKR
50
4.040127679
2.42248062
I2C Buffer Repeater
TCA9517DGKR
50
1.21124031
1.21124031
LCD Module
NHD-C12832A1Z-NSW-
BBW-3V3
50
5.661764706
4.852941176
COM8 Module
TPS79501DCQR
50
212.2416021
212.2416021
USB
—
50
244.6705426
243.4593023
PCIe Connector
—
50
1504.166667
1181.9444448
MLB Connector
—
50
56.52777778
56.52777778
DCAN Connector *2
—
50
61.11111111
61.11111111
Audio Daughter Card
—
80
600.003876
480.003876
MicroSD Card
—
80
31.00775194
31.00775194
GPIO Expander
TCA9555
50
38.75968992
38.75968992
Temperature Sensor
TMP102
20
0.001453488
0.001453488
LEDs ×7
—
50
16.95736434
16.95736434