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參數(shù)資料
| 型號： | PIIPM25P12B008 |
| 英文描述： | Programmable solated intelligent power module. a 25A. 1200V. three-phase inverter for 15kW industrial and servo motors with on-board programmable DSP. current sensing. isolation. gate drivers and power stage. |
| 中文描述： | 可編程solated智能功率模塊。 1 25A條。 1200伏。三相逆變器為15Kw的工業(yè)和伺服電機與板上可編程DSP。電流感應。隔離。柵極驅動器和功率級。 |
| 文件頁數(shù)： | 12/29頁 |
| 文件大小： | 1151K |
| 代理商： | PIIPM25P12B008 |
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www.irf.com
12
PIIPM25P12B008
I27147 01/03
The new package outline is show on page 4, all
signal and power pins are clearly listed, note that
because of high current spikes on those inputs the
DC bus power pins are doubled in size
comparing to the other power pins. Module
technology uses the standard and well know
DBC: over a thick Copper base an allumina
(Al
2
O
3
) substrate with a 300
μ
m copper foil on
both side is placed and IGBTs and Diodes dies
are directly soldered, through screen printing
process. These dies are then bonded with a 15
mils aluminum wire for power and signal
connections. All components are then completely
covered by a silicone gel with mechanical
protection and electrical isolation purposes.
T
HE
“EDB” E
MBEDDED
D
RIVING
B
OARD
This is the core of the device intelligence, all
control and driving functions are implemented at
this level, the board finds its natural placement as
a cover of the module itself and has a double
function of mechanical cover and intelligent
interface. DSP and all other electronics are here
assembled; figure on page 2 shows the board
schematic and all connection pins.
Looking at the schematic, all diamond shaped
pins are signal connections, some belonging
to
the RS422 port interface and some to the IEEE
1149.1 (JTAG) connector. All other pins are used
for communication between the board and the
module, they are positioned laterally in the board
and the module doesn’t have any pins in the
middle of its body.
From the top left, in anti-clockwise direction we
identify the following blocks that will be then
described in details:
1.
DSP and opto isolated serial and JTAG
ports
2.
Flyback Power Supply
3.
Current Sensing interfaces, over-current
protections and signal conditioning
4.
Gate drivers
5.
DC bus and Input voltage feedback
1. DSP and opto isolated serial and JTAG
ports.
The DSP used in this application is the new
TMS320LF2406A from TI, it is a improvement
of the well known in the motor driver market
“F240” used in many motor driver applications.
If we compare this new device with the
predecessor, the new DSP has some added
features
that
let
the
significantly
improve
performances, the following table shows a list of
relevant data, for all other information please
refer to the related device datasheet. To be noted
is the increased number of instruction per second,
(40MIPS) and of I/O pins, the availability of a
boot ROM and a CAN, a much faster ADC and
the reduced supply voltage from 5V down to
3.3V, to follow the global trend for this type of
products. The choice of the DSP has been done
looking at the high number of applications
already existing in the market using devices of
this family, however it is clear that the same kind
of approach could be followed using products
from different suppliers to let the customer work
on its preferred and well known platform.
software
the
designer
control
system
TMS320LF2406A vs TMS320F240
MIPS
RAM
Flash
ROM
Boot ROM
Ext. Memory I/F
Event manager
GP timers
CMP/PWM
CAP/QEP
Watchdog timer
10-bit ADC
Channels
Conv. time (min)
SPI
SCI
CAN
Digital I/O pins
Voltage range
‘F2406
40
2.5Kw
32Kw
—
256w
—
Yes
4
10/16
6/4
Yes
Yes
16
500ns
Yes
Yes
Yes
37
3.3V
‘F240
20
16Kw
—
—
Yes
Yes
3
9/12
4/2
Yes
Yes
16
6.6
μ
s
Yes
Yes
—
28
5 V
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| PIIPM50E06B004X | 制造商:IRF 制造商全稱:International Rectifier 功能描述:Programmable Isolated IPM |
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