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參數(shù)資料
| 型號： | LP5550SQX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | PowerWise Technology Compliant Energy Management Unit |
| 中文描述： | 0.75 A SWITCHING REGULATOR, 1360 kHz SWITCHING FREQ-MAX, QCC16 |
| 封裝： | LLP-16 |
| 文件頁數(shù)： | 13/25頁 |
| 文件大?。?/td> | 1056K |
| 代理商： | LP5550SQX |
Typical Performance Characteristics
Unless otherwise stated: V
IN
=3.6V (Continued)
Switch Current Limit vs. V
IN
Efficiency vs. Load (Switcher)
20154518
20154519
Switching Waveforms
PWM
Switching Waveforms
PFM
20154520
20154521
LP5550 PWI Register Map
The PWI standard supports sixteen 8-bit registers on the PWI slave. The table below summarizes these registers and shows
default register bit values after reset. The following sub-sections provide additional detail on the use of each individual register.
Summary
Register
Address
0x0
0x1
0x2
0x3
0x4
0x5
0x6
0x7
0x8
0x9
Register
Name
R0
R1
R2
R3
R4
R5
R6
R7
R8
R9
Register Usage
Core voltage
Unused
Memory retention voltage
Status register
PWI version number
Unused
Unused
LDO2 voltage
LDO1 voltage
PFM/PWM force
Type
R/W
R/W
R/W
R/O
R/O
R/W
R/W
R/W
R/W
R/W
Reset Default Value
7
6
0
1
-
-
0
1
0
0
0
0
-
-
-
-
0
1
0
0
0
0
5
1
-
1
0
0
-
-
1
1
-
4
1
-
0
0
0
-
-
1
0
-
3
1
-
0
1
0
-
-
1
1
-
2
1
-
-
1
0
-
-
-
-
-
1
1
-
-
1
0
-
-
-
-
-
0
1
-
-
1
1
-
-
-
-
-
L
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LP5550SQX/NOPB | 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| LP5551 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PowerWise⑩ Technology Compliant Energy Management Unit |
| LP5551SQ | 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 |
| LP5551SQ/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 |
| LP5551SQEV | 功能描述:電源管理IC開發(fā)工具 LP5551SQ EVAL BRD RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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