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CAR1248FPXXXZ01A bảng dữ liệu(PDF) 8 Page - Lineage Power Corporation

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Giải thích chi tiết về linh kiện  Universal input with PFC Constant power characteristic 3 front panel LEDs: 1-input;2-output; 3 - fault
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CAR1248FPXXXZ01A bảng dữ liệu(HTML) 8 Page - Lineage Power Corporation

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GE
Data Sheet
CAR1248FP series rectifier
Input: 90VAC to 264VAC; Output: 48VDC @ 1200W; 5 VDC @ 0.5A
February 26, 2013
©2013 General Electric Company. All rights reserved.
Page 8
VOUT [00]: Output voltage read back, returns the voltage on
the anode side of the or’ing function, data LSB followed by
MSB.
The default value is 48VDC
Example; readback 01EBh, convert into its decimal equivalent
and then multiply by the constant, VOUT = 491 x 0.102 =
50.08VDC
IOUT [01]: Output current read back, data LSB followed by MSB.
Example; readback 021Fh, convert into its decimal equivalent
and multiply by the constant, IOUT=543 x 0.042 = 22.8A
Temperature [02]: Temperature read back, data LSB followed
by MSB.
Example; readback 037Bh, convert into its decimal equivalent
and multiply by the xonstant, temp = 891 x 0.0049 = 4.36. In
the table below this corresponds to 25C
Data
Temp
C
Data
Temp
C
Data
Temp
C
4.83
-5
3.71
45
1.7
95
4.78
0
3.51
50
1.54
100
4.72
5
3.3
55
1.4
105
4.65
10
3.09
60
1.26
110
4.56
15
2.88
65
1.14
115
4.46
20
2.67
70
1.03
120
4.35
25
2.46
75
0.93
125
4.21
30
2.25
80
0.84
130
4.06
35
2.06
85
3.89
40
1.88
90
ON/OFF [03]: A logic ‘1’ turns OFF the 48V output of the
power supply.
Ilim [04]: This feature lowers the current limit from the default
values of 02A8h (680), corresponding to 28.6A at high line and
0265h (613) corresponding to 25.8A at low line.
The delivered output current cannot exceed the maximum
power capacity of the unit. Thus, at high line the power supply
is limited to 1200W, thus, at 28.6A the output voltage is limited
to 41.96VDC,
Example: At high line, reduce the current limit to 20A.
Compute the data to be sent to the controller; 20 / 0.042 =
476. The hex equivalent of this decimal data is 01DCh. The
data should be sent across the bus as LSB [DC] followed by
MSB [01].
Vset [05]: Changes the output voltage via i2c, if the Vprog
hardware signal is > 4VDC. If the Vprog pin voltage level is <
4VDC, this command is ignored.
The output voltage setting must be between 42.8 – 56VDC.
The default value is 01FEh, corresponding to 48VDC.
Example; set the output to 54VDC. Compute the data to be
sent to the controller; 54 / 0.094 = 574. The hex equivalent of
this decimal data is 023Eh. The data should be sent across the
bus as LSB [3E] followed by MSB [02].
Vprog [06]; Reads back the hardware configured analog
voltage program value via i2c.
The value can range from 0.364V to 3.27V.
Example: set the output to 44VDC. From the equation
determine that Vprog = 0.6. The 10bit D/A is set for the range
of 0 – 5VDC, therefore with a resolution of 1024 bits each bit is
0.00488V. So the corresponding value to enter is 0.6/0.00488 =
123 decimal. This corresponds to 7Bh. The data should be sent
across the bus as LSB [7B] followed by MSB [00].
OT trip[07] and OT recover[08]; Configures the OT shutdown
and recovery levels. The default values are;
OT trip: 120C corresponds to 1.03/0.00488 = D3h
OT recover: 110C that corresponds to 1.26/0.0049 = 0102h
Example: Change the recovery temperature to 100C. In the
look up table above the corresponding level is 1.54. Divide by
the conversion ration, 1.54/0.0049 = 315 dec. Converting to its
hex equivalent yields 013B hex. The data should be sent
across the bus as LSB [3B] followed by MSB [01].
DC_OK_HI[09] and DC_OK_LO[0A]: Changes the DC_OK signal
comparator level. The default values are;
DC_OK_HI: 02CDh, corresponding to 67.5V
DC_OK_LO: 0133h, corresponding to 28.9V
Example: Change the upper level of comparison to 55V.
Determine the corresponding register value setting; 55/0.0941
= 584dec. This is equivalent to 0248h. The data should be
sent across the bus as LSB [48] followed by MSB [02].
STATUS [0B]: All read backs are two bytes and so read back
two bytes but ignore the MSB.
Firmware [0C]: Reads back the latest firmware revision.
MCUeeprom [0D – 7C]: 125 bytes of information may be
stored in the EEPROM section of the micro controller starting
from register location 0Dh. Each byte of data needs to be
stored into its specific register location, one byte at a time.
External EEPROM
A separate EEPROM, with its own i2c address and with
write_protect capability, provides 128 bytes of memory. This is
a standard i2c compliant generic EEPROM with a single byte
for its memory location. Standard i2c command structure
applies.
The following FRU_ID information is stored in this EEPROM
Start
Location
Length
Value
Description
00
7
Serial number, ascii
07
1
20
space
08
4
Date code [YYWW] ascii
0C
1
20
space
0D
17
Code CAR1248FPBXXXX1A ascii
1E
1
20
space
1F
1
Revision


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