參數(shù)資料
型號： LP3971SQ-B410
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 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
文件頁數(shù)： 21/42頁
文件大?。?/td> 1350K
代理商： LP3971SQ-B410
I
2
C Register Definitions
(Continued)
SYSTEM CONTROL REGISTER (SCR2) 8h’0E
Bit
7
6
5
4
3
2
1
0
Designation
BBCS
SEB2
BPTR
WUP3_
sense
1
GPIO2
GPIO1
Reset Value
1
0
0
0
0
0
0
SYSTEM CONTROL REGISTER (SCR2) 8h’0E DEFINITIONS
Bit
7
Access
R/W
Name
BBCS
Description
Sets GPIO1 as control input for Back Up battery charger
0 = Back Up battery Charger GPIO Disabled
1 = Back Up battery Charger GPIO Pin Enabled
PWR_EN soft Low voltage Supply Enabled OR’ed with PWR_EN Pin
0 = Low voltage Supply Output Enabled
1 = Low voltage Supply Output Disabled
Bypass RTC_LDO Output Voltage to LDO1 Output Voltage Tracking
0 = Disabled RTC_LDO1 Tracking enabled
1 = Enabled RTC-LDO1 Tracking disabled
Spare Wakeup control input
0 = Active High
1 = Active Low
Configure direction and output sense of GPIO2 Pin
Data Code
GPIO2
2h’00
Hi-Z
2h’01
Output Low
2h’02
Input
2h’03
Output high
Configure direction and output sense of GPIO1 Pin
Data Code
GPIO1
2h’00
Hi-Z
2h’01
Output Low
2h’02
Input
2h’03
Output high
6
R/W
SEB2
5
R/W
BPTR
4
R/W
WUP3_
sense
3:2
R/W
GPIO2
1:0
R/W
GPIO1
L
www.national.com
21
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
LP3994LD-1.8 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-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開發(fā)工具 LP3971SQ-B410 EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估: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
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*