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參數(shù)資料
| 型號： | LP3971 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | POWER MANAGEMENT UNIT FOR ADVANCED APPLICATION PROCESSORS |
| 中文描述： | 電源管理單元提供高級應(yīng)用處理器 |
| 文件頁數(shù)： | 22/42頁 |
| 文件大小： | 1350K |
| 代理商： | LP3971 |
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I
2
C Register Definitions
(Continued)
BUCKS OUTPUT VOLTAGE ENABLE REGISTER (BOVEN) 8h’10
Bit
7
6
5
4
3
2
1
0
Designation
Reset Value
Reserved
0
B2ENC
1
Reserved
0
B3EN
1
Reserved
0
B2EN
1
Reserved
0
B1EN
1
BUCKS ENABLE REGISTER (BOVEN) 8h’10 DEFINITIONS
Bit
7
6
Access
...
R/W
Name
...
B2ENC
Description
Reserved
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
Reserved
VCC_Buck3 Supply Output Enabled
0 = VCC_Buck3 Supply Output Disabled
1 = VCC_Buck3 Supply Output Enabled
Reserved
VCC_Buck2 Supply Output Enabled
0 = VCC_Buck2 Supply Output Disabled
1 = VCC_Buck2 Supply Output Enabled
Reserved
VCC_Buck1 Supply Output Enabled
0 = VCC_Buck2 Supply Output Disabled
1 = VCC_Buck2 Supply Output Enabled
5
4
...
...
R/W
B3EN
3
2
...
...
R/W
B2EN
1
0
...
...
R/W
B1EN
BUCK STATUS REGISTER (BOVSR) 8h’11
Bit
7
6
5
4
3
2
1
0
Designation
Reset Value
BT_OK
0
Reserved
0
Reserved
0
B3_OK
0
Reserved
0
B2_OK
0
B1_OK
0
0
BUCK STATUS REGISTER (BOVSR) 8h’11 DEFINITIONS
Bit
7
Access
R
Name
BT_OK
Description
Buck 1–3 Supply Output Voltage Status
0 = (Buck 1–3) output voltage
<
90% Default value
1 = (Buck 1–3) output voltage
>
90% Default value
Reserved
Buck 3 Supply Output Voltage Status
0 = (Buck 3) output voltage
<
90% Default value
1 = (Buck 3) output voltage
>
90% Default value
Reserved
Buck 2 Supply Output Voltage Status
0 = (Buck 2) output voltage
<
90% Default value
1 = (Buck 2) output voltage
>
90% Default value
Reserved
Buck 1 Supply Output Voltage Status
0 = (Buck 1) output voltage
<
90% Default value
1 = (Buck 1) output voltage
>
90% Default value
6:5
4
...
R
...
B3_OK
3
2
...
R
...
B2_OK
1
0
...
R
...
B1_OK
L
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LP3971SQ-A514 | POWER MANAGEMENT UNIT FOR ADVANCED APPLICATION PROCESSORS |
| LP3971SQ-B410 | POWER MANAGEMENT UNIT FOR ADVANCED APPLICATION PROCESSORS |
| LP3971SQX-A514 | POWER MANAGEMENT UNIT FOR ADVANCED APPLICATION PROCESSORS |
| LP3971SQX-B410 | POWER MANAGEMENT UNIT FOR ADVANCED APPLICATION PROCESSORS |
| LP3994 | 50mA CMOS Voltage Regulator with Enable Control |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP3971SQ-2G16/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 |
| LP3971SQ-7848/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 |
| LP3971SQ-8858/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 |
| LP3971SQ-A514 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:POWER MANAGEMENT UNIT FOR ADVANCED APPLICATION PROCESSORS |
| LP3971SQ-B410 | 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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