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RT5509 bảng dữ liệu(PDF) 39 Page - Richtek Technology Corporation

tên linh kiện RT5509
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PDF  58 Pages
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nhà sản xuất  RICHTEK [Richtek Technology Corporation]
Trang chủ  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT5509 bảng dữ liệu(HTML) 39 Page - Richtek Technology Corporation

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RT5509
Copyright © 2017 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation
DS5509-00
August
2017
www.richtek.com
39
ADDR Byte
Bits
R/W
Name
Description
Default
0x46
3
23:0
R/W
iSenseGain
Gain of current sense loop,
normalized to 32
Read/Write to OTP if
SenseGPGMEN = 1
Read/Write to local register if
SenseGPGMEN = 0
(MTP)
0x47
3
23:0
R/W
Rapp
Application resistance, normalized
to 32
0
0x48
1
7:0
R/W
rMaxExcess
Maximum allowable DCR growth
ratio
1/256 to 255/256
0
0x49
2
15:11
R/W
Reserved
10:8
R/W
PdictWeightExp
PdictWeight = PdictWeightMant *
2^PdictWeightExp
PdictWeightExp = 0 to 7
3’h7
7:0
R/W
PdictWeightMant
1/128 to 255/128, 0x80 normalized
to 1
8’h80
0x4A
2
15:10
R/W
Reserved
9:8
R/W
KpExp
Kp = KpMant * 2^KpExp
KpExp = 0 to 3
2’h3
7:0
R/W
KpMant
1/128 to 255/128, 0x80 normalized
to 1
8’h80
0x4B
1
7:0
R/W
KiKpRatio
The ratio of Ki/Kp
1/256 to 255/256
8’h3
0x4C
1
7:0
R/W
InitDCRIDMu
Initial adaptation step size
1/256 to 255/256
8’h40
0x4D
1
7:0
R/W
DCRIDMu
Normal adaptation step size
1/1024 to 255/1024
8’h04
0x4E
3
23:0
R/W
CalibDCR
Factory calibrated DC resistor
Read/Write to OTP if DCRPGEN =
1
Read/Write to local register if
DCRPGEN = 0
(MTP)
0x4F
2
15:0
R/W
CalibBL
Factory calibrated BL factor
Read/Write to OTP if BLPGEN = 1
Read/Write to local register if
BLPGEN = 0
CalibBL = reg[0x4f] / 2^15
(MTP)
0x50
1
7
R/W
CalibEn
Trigger the calibration to start;
self-cleared
0
0
R
CalibRDY
The calibration output is ready for
software reading
0
0x51
2
15:0
R/W
CalibReq
Calibration frequency
= round (2 * f_Hz / fs * 65536); fs =
48000
16’h0000
0x52
2
15:0
R/W
GalibGain
Gain of the signal, ranged in [0,1),
bit[15] is sign-bit and should be 0 for
positive value
16’h0000



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