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Mindray M8 User Manual

Mindray M8
267 pages
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4-16 Product Principle
5 PWR_OK# Sent out by power management FPGA to CPU
board, indicates that the 12V is powered on.
Power supply of main unit/battery enables the start of device.
Power supply produces 5VSTB and 3.3VSTB as the AC inputs.
Unplug AC when shutting down the device. Power supply cuts off 5VSTB output, but only
keeps the output of 3.3VSTB. Only with power button pressed again, it’s re-powered on.
Unplug AC when the device is in standby. Batteries, for standby usage, provide the output of
5VSBT and 3.3VSTB.
The process of power-on is shown below:
Connect to AC
Press power button
(control panel)
Receive valid
PWR_BTN_N
power supply mgmt
FPGA
Power supply mgmt
sends valid PWRBTN#
signal
S3# and S4#invalid
COME module
sends
DC-DC 12V power-on
PWR_OK valid
power supply mgmt
sends
CPU start
COME module
DC-DC board sends
power supply of other
circuits
Figure 4-16 Diagram of system power-on

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Mindray M8 Specifications

General IconGeneral
BrandMindray
ModelM8
CategoryMedical Equipment
LanguageEnglish

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