參數(shù)資料
型號(hào)： MC1H3
廠商： Microchip Technology Inc.
英文描述： High Voltage Power Module Users Guide
中文描述： 高壓電源模塊用戶(hù)指南
文件頁(yè)數(shù)： 15/60頁(yè)
文件大?。?/td> 1522K
代理商： MC1H3
2003 Microchip Technology Inc.
DS70096A-page 9
Set Up and Operation
FIGURE 1-4:
POWER ELECTRONICS GATE DRIVE STAGES
Note that the incoming digital 0V from the development board is grounded within the
power module (as shown in Figure 1-4) to ensure user safety. When a PC or any other
device is connected to the control board there is therefore the possibility of a “ground
loop” occurring. If this is suspected, the user should first try to eliminate the stray
magnetic field causing the problem by relocating the offending transformer or by using
shielding. If this is not possible, then the equipment connected to the development
board should be isolated from the digital 0V.
Position and speed feedback transducers are connected to the control board directly
and not via the power module. No electrical isolation is provided on the control board
for these signals and so the transducers must be isolated.
Consult the development board documentation for details of signal interfacing and
how to connect in-circuit emulators and debugging equipment.
POWER ELECTRONICS GATE DRIVE
STAGES
ISOLATED
HALL-EFFECT
CURRENT
TRANSDUCERS
CONDITIONING
OF LIVE
FEEDBACK
SIGNALS
FAULT
DETECTION
AND LATCHING
CIRCUITRY
OPTOCOUPLERS
5V LINEAR
REGULATOR
INCOMING GROUND
CONNECTED TO
CHASSIS
+
LIVE
ISOLATED
ISOLATING
DC : DC
CONVERTER
P
P
P
P
9V Power
Supply Input
(Floating)
Rectify
Smooth and
Regulate
Digital +5V
Digital 0V
To Digital
Circuits
To Analog
Circuits
A
A
Control PCB 02-01648
Power PCB 02-01647
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