參數(shù)資料
型號(hào): LP3972SQXA413
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC40
封裝: 5 X 5 MM, LLP-40
文件頁(yè)數(shù): 18/60頁(yè)
文件大小: 1171K
代理商: LP3972SQXA413
OUTPUT VOLTAGE ENABLE REGISTER 1
This register enables or disables the low voltage supplies LDO1 and Buck1. See details below.
Output Voltage Enable Register 1 (OVER1) 8h’10
Bit
7
6
5
4
3
2
1
0
Designation
Reserved
S_EN
Reserved
A_EN
Reset Value
0
1
0
1
Output Voltage Enable Register 1 (OVER1) 8h’10 Definitions
Bit
Access
Name
Description
7-3
Reserved
2
R/W
S_EN
V
CC_SRAM (LDO5) Supply Output Enabled
0 = V
CC_SRAM (LDO5) Supply Output Disabled
1 = V
CC_SRAM (LDO5) Supply Output Enabled
1
Reserved
0
R/W
A_EN
V
CC_APPS (Buck1) Supply Output Enabled
0 = V
CC_APPS (Buck1) Supply Output Disabled
1 = V
CC_APPS (Buck1) Supply Output Enabled
OUTPUT VOLTAGE STATUS REGISTER
This 8 bit register is used to indicate the status of the low voltage supplies. By polling each of the specify supplies is within its
specified operating range.
Output Voltage Status Register 1 (OVSR1) 8h’11
Bit
7
6
5
4
3
2
1
0
Designation
LP_OK
Reserved
S_OK
Reserved
A_OK
Reset Value
0
Output Voltage Status Register 1 (OVSR1) 8h’11 Definitions
Bit
Access
Name
Description
7
R
LP_OK
Low Voltage Supply Output Voltage Status
0 - V
CC_APPS (Buck1) & VCC_SRAM (LDO5) output voltage < 90% of
selected value
1 - V
CC_APPS (Buck1) & VCC_SRAM (LDO5) output voltage > 90% of
selected value
6:3
Reserved
2
R
S_OK
V
CC_SRAM Supply Output Voltage Status
0 - V
CC_SRAM (LDO5) output voltage < 90% of selected value
1 - V
CC_SRAM (LDO5) output voltage > 90% of selected value
1
Reserved
0
R
A_OK
V
CC_APPS Supply output Voltage Status
0 - V
CC_APPS (Buck1) output voltage < 90% of selected value
1 - V
CC_APPS (Buck1) output voltage > 90% of selected value
25
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LP3972SQX-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
LP3972SQX-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
LP3972SQXA514 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Power Management Unit for Advanced Application Processors
LP3972SQX-A514 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
LP3972SQX-A514/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