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參數(shù)資料
| 型號(hào)： | LP3971SQX-A514 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 電源管理 |
| 英文描述： | POWER MANAGEMENT UNIT FOR ADVANCED APPLICATION PROCESSORS |
| 中文描述： | 3-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC40 |
| 封裝： | 5 X 5 MM, LLP-40 |
| 文件頁(yè)數(shù)： | 24/42頁(yè) |
| 文件大?。?/td> | 1350K |
| 代理商： | LP3971SQX-A514 |
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I
2
C Register Definitions
(Continued)
Bit
2
Access
R
Name
LDO2_OK
Description
LDO_2 Output Voltage Status
0 = (VCC_LDO2) output voltage
<
90% of selected value
1 = (VCC_LDO2) output voltage
>
90% of selected value
LDO_1 Output Voltage Status
0 = (VCC_LDO1) output voltage
<
90% of selected value
1 = (VCC_LDO1) output voltage
>
90% of selected value
Reserved
1
R
LDO1_OK
0
...
...
VOLTAGE CHANGE CONTROL REGISTER 1 (VCC1) 8h’20
Bit
7
6
5
4
3
2
1
0
Designation
Reset Value
B3VS
0
B3GO
0
B2VS
0
B2GO
0
Reserved
B2VS
0
B2GO
0
0
0
VOLTAGE CHANGE CONTROL REGISTER 1 (VCC1) 8h’20 DEFINITIONS
Bit
7
Access
R/W
Name
B3VS
Description
Buck 3 Target Voltage Select
0 = Buck 3 Output Voltage to B1TV1
1 = Buck 3 Output Voltage to B1TV2
Start Buck 3 Voltage Change
0 = Hold Buck 3 Output Voltage at current level
1 = Ramp Buck 3 Output Voltage as selected by B3VS
Buck 2 Target Voltage Select
0 = Buck 2 Output Voltage to B2TV1
1 = Buck 2 Output Voltage to B2TV2
Start Buck 2 Voltage Change
0 = Hold Buck 2 Output Voltage at current level
1 = Ramp Buck 2 Output Voltage as selected by B2VS
Reserved
Buck 1 Target Voltage Select
0 = Buck 2 Output Voltage to B1TV1
1 = Buck 2 Output Voltage to B1TV2
Start Buck 1 Voltage Change
0 = Hold Buck 3 Output Voltage at current level
1 = Ramp Buck 3 Output Voltage as selected by B1VS
6
R/W
B3GO
5
R/W
B2VS
4
R/W
B2GO
3:2
1
...
...
R/W
B1VS
0
R/W
B1GO
L
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| LP3971SQX-B410 | POWER MANAGEMENT UNIT FOR ADVANCED APPLICATION PROCESSORS |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP3971SQX-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 |
| LP3971SQX-B410/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 |
| LP3971SQX-B510/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 |
| LP3971SQX-D510 | 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 |
| LP3971SQX-D510/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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