參數(shù)資料
型號(hào)： LP3971SQ-B410
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)： 20/42頁(yè)
文件大小： 1350K
代理商： LP3971SQ-B410
I
2
C Register Definitions
(Continued)
BACKUP BATTERY CHARGER CONTROL REGISTER (BBCC) 8h’0B
Bit
7
6
5
4
3
2
1
0
Designation
Reset Value
NBUB
0
CNBFL
0
nBFLT
1
BUCEN
0
IBUC
0
0
0
1
BACKUP BATTERY CHARGER CONTROL REGISTER (BBCC) 8h’0B DEFINITIONS
Bit
7
Access
R/W
Name
NBUB
Description
No back-up battery default setting. Logic will not allow switch over to back-up battery.
0 = Back up Battery Enabled
1 = Back up Battery Disabled
Control for nBATT_FLT output signal
0 = nBATT_FLT Enabled
1 = nBATT_FLT Disabled
nBATT_FLT monitors the battery voltage and can be set to the De-assert voltages listed
below.
Data Code
Asserted
3h’00
2.4
3h’01
2.6
3h’02
2.8
3h’03
3.0
3h’04
3.2
3h’05
3.4
Enables backup battery charger
0 = Back up Battery Charger Disabled
1 = Back up Battery Charger Enabled
Charger current setting for back-up battery
Data Code
BU Charger I (μA)
2h’00
260
2h’01
190
2h’02
325
2h’03
390
6
R/W
CNBFL
5:3
R/W
BFLT
De-Asserted
2.6
2.8
3.0
3.2
3.4
3.6
2
R/W
BUCEN
1:0
R/W
IBUC
L
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相關(guān)PDF資料
PDF描述
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
LP3994LD-1.5 50mA CMOS Voltage Regulator with Enable Control
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LP3971SQ-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
LP3971SQ-B410EV 功能描述:電源管理IC開(kāi)發(fā)工具 LP3971SQ-B410 EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類(lèi)型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
LP3971SQ-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
LP3971SQ-C818/NOPB 制造商:Texas Instruments 功能描述:
LP3971SQ-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
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