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用處理器
文件頁數(shù)： 41/59頁
文件大?。?/td> 1072K
代理商： LP3972
I
2
C Compatible Interface
(Continued)
LOGIC OUTPUT ENABLE REGISTER (LOER) 8H’84
Bit
7
6*
5*
4*
3*
2*
1*
0*
Designation
Reset Value
Note:
** denotes one time factory programmable EPROM registers for default values
Reserved
0
B3ENC
1
B2ENC
1
B1ENC
0
L5EC
0
L4EC
1
L3EC
1
L2EC
1
LOGIC OUTPUT ENABLE REGISTER (LOER) DEFINITIONS 8H’84
Bit
7
6
Access
—
R/W
Name
—
B3ENC
Description
Reserved
Connects Buck 3 enable to SYS_EN or PWR_EN Logic Control pin
0 - Buck 3 enable connected to PWR_EN
1 - Buck 3 enable connected to SYS_EN, Default
Connects Buck 2 enable to SYS_EN or PWR_EN Logic Control pin
0 - Buck 2 enable connected to PWR_EN
1 - Buck 2 enable connected to SYS_EN, Default
Connects Buck 1 enable to SYS_EN or PWR_EN Logic Control pin
0 - Buck 1 enable connected to PWR_EN, Default
1 - Buck 1 enable connected to SYS_EN
Connects LDO5 enable to SYS_EN or PWR_EN Logic Control pin
0 - LDO 5 enable connected to PWR_EN, Default
1 - LDO 5 enable connected to SYS_EN
Connects LDO4 enable to SYS_EN or PWR_EN Logic Control pin
0 - LDO 4 enable connected to PWR_EN
1 - LDO 4 enable connected to SYS_EN, Default
Connects LDO3 enable to SYS_EN or PWR_EN Logic Control pin
0 - LDO 3 enable connected to PWR_EN
1 - LDO 3 enable connected to SYS_EN, Default
Connects LDO2 enable to SYS_EN or PWR_EN Logic Control pin
0 - LDO 2 enable connected to PWR_EN
1 - LDO 2 enable connected to SYS_EN, Default
5
R/W
B2ENC
4
R/W
B1ENC
3
R/W
L5EC
2
R/W
L4EC
1
R/W
L3EC
0
R/W
L2EC
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 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復位延遲（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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
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