參數(shù)資料
型號： LP3972
廠商： National Semiconductor Corporation
英文描述： Power Management Unit for Advanced Application Processors
中文描述： 電源管理單元的高級應(yīng)用處理器
文件頁數(shù)： 31/59頁
文件大?。?/td> 1072K
代理商： LP3972
I
2
C Compatible Interface
(Continued)
V
CC
_COMM TARGET VOLTAGE 1 DUMMY REGISTER (CDTV1)
V
CC
_COMM Target Voltage 1 Dummy Register (CDTV1) 8h’26 Write Only
Bit
7
6
5
4
3
2
1
0
Designation
Reset Value
Note:
CDTV1 must be writable by an I
2
C controller. This is a dummy register
Reserved
0
Output Voltage
0
0
0
0
0
0
0
V
CC
_COMM TARGET VOLTAGE 2 DUMMY REGISTER (CDTV2)
V
CC
_COMM Target Voltage 2 Dummy Register (CDTV2) 8h’27 Write Only
Bit
7
6
5
4
3
2
1
0
Designation
Reset Value
Note:
CDTV2 must be writable by an I
2
C controller. This is a dummy register and can not be read.
Reserved
0
Output Voltage
0
0
0
0
0
0
0
This is a variable voltage supply to the internal SRAM of the Application processor.
LDO 5 (V
CC
_SRAM) TARGET VOLTAGE 1 REGISTER
LDO 5 (V
CC
_SRAM) Target Voltage 1 Register (SDTV1) 8H’29
Bit
7
6
5
4**
3**
LDO 5 Output Voltage (L5OV)
1
0
2**
1**
0**
Designation
Reset Value
Note:
** denotes one time factory programmable EPROM registers for default values
Reserved
0
0
0
0
1
1
LDO 5 (V
CC
_SRAM) Target Voltage 1 Register (SDTV1) 8h’29 Definitions
Bit
7:5
4:0
Access
—
R/W
Name
—
B1OV
Description
Reserved
Data Code
5h’0
5h’1
5h’2
5h’3
5h’4
5h’5
5h’6
5h’7
5h’8
5h’9
5h’A
5h’B
5h’C
5h’D
5h’E
5h’F
Output Voltage
—
—
—
—
—
0.850
0.875
0.900
0.925
0.950
0.975
1.000
1.025
1.050
1.075
1.100
Data Code
5h’10
5h’11
5h’12
5h’13
5h’14
5h’15
5h’16
5h’17
5h’18
5h’19
5h’1A
5h’1B
5h’1C
5h’1D
5h’1E
5h’1F
Output Voltage
1.125
1.150
1.175
1.200
1.225
1.250
1.275
1.300
1.325
1.350
1.375
1.400
1.425
1.450
1.475
1.500
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LP3972_08 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Power Management Unit for Advanced Application Processors
LP3972SQ-0514/NOPB 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
LP3972SQ-5810/NOPB 功能描述:監(jiān)控電路 Pwr Mgmt Unit RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
LP3972SQ-A413 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
LP3972SQ-A413/NOPB 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
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