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EV5424-R-00A 数据表(PDF) 23 Page - Monolithic Power Systems

部件名 EV5424-R-00A
功能描述  5V PMIC with Four 4.5A/2.5A/4.5A/2A Buck Converters, 3 LDOs, 1 Load Switch, and Flexible System Settings via I2C and MTP
PDF  44 Pages
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制造商  MPS [Monolithic Power Systems]
网页  http://www.monolithicpower.com
标志 MPS - Monolithic Power Systems

EV5424-R-00A 数据表(HTML) 23 Page - Monolithic Power Systems

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MP5424
– 5V POWER MANAGEMENT IC WITH I2C AND MTP
MP5424 Rev. 1.0
MonolithicPower.com
23
12/6/2021
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2021 MPS. All Rights Reserved.
..
Buck 1
Buck 3
EN1
PWRON
(PWRON_MODE = 0)
Buck 2
..
Figure 11: EN1 Function
Thermal Warning and Shutdown
Thermal warning and thermal shutdown prevent
the part from operating at exceedingly high
temperatures. If the silicon die temperature
exceeds 120°C, then the MP5424 sets the
OTWARNING bit to 1.
If the die temperature exceeds 153°C, then the
MP5424 sets the OTEMPP bit to 1 and the
system enters the shutdown sequence. Once the
temperature drops to 130°C, the system enters
the start-up sequence.
I2C Timing
The PMIC’s I2C interface is powered by an
internal, fixed, 2V power supply. If VINx exceeds
its UVLO threshold during a start-up through VIN,
then the 2V LDO power supply is ready. The I2C
function is disabled during the start-up sequence.
Once the start-up sequence is complete for all
enabled power rails, the I2C function is available
(see Figure 12).
If the I2C is not used, SCL and SDA should be
pulled high via a resistor.
VIN
Internal
2V
I
2C
Command
Start-Up
Sequence
VIN reaches its
UVLO threshold
System
POR
Delay
The I
2C Can
Operate Normally
from this Point
Figure 12: I2C Timing Diagram



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