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參數資料
| 型號： | NCP1521 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | DC/DC變換器 |
| 英文描述： | High Efficiency DC-DC Converters |
| 中文描述： | 高效率DC - DC轉換器 |
| 文件頁數： | 8/20頁 |
| 文件大小： | 1886K |
| 代理商： | NCP1521 |
Page 8
Portable Solutions
Low Standby Current Battery Management for Extended Battery Life
FAULT
V
CC
CFLG
V2P8
EN
VSNS
BAT
GND
ISEL TIMER
N
V
in
80 k
R
ISEL
4.7 F
C
in
GND
15 nF
C
T
Microprocessor
4.7 F
C
out
V
in
0.1 F
C
2p8
I
B
,
4.1
3.7
3.5
3.3
2.9
2.7
2.5
V
SNS
, BATTERY VOLTAGE (V)
Battery Drain Current versus Battery Voltage
0.2
0.48
0.32
0.24
9
1
0.28
0.44
0.36
0.40
V
CC
= 0
Typical Application Circuit
Battery Management Circuits
Device
Description
Package
Key Features
NCP185
Up to 1 A Single-Cell Lithium-ion/Polymer Integrated CCCV Battery Charger
DFN-10
No External MOSFET
NCP185B
Up to 00 mA Single-Cell Lithium-ion/Polymer Integrated CCCV Battery Charger
DFN-10
No External MOSFET
NCP1800
Single-Cell Lithium-ion CCCV Battery Charger
Micro8
Industry Leading Standby Current 0.5 μA, Adjustable Charge Current Limit
MC0/
Nickel Chemistry Battery Cradle Charger
SOIC-8
Peak Voltage Detection
Battery Protection Circuits
Device
NUS05
NUS05
NUS06
NUS10
NUS055
NUS05
NCP5
NCP6
Overvoltage Protection
MOSFET
Package
Ambient Operating
Temperature (°C)
-0 to +85
-0 to +85
-0 to +85
-0 to +85
-0 to +85
-0 to +85
-0 to +85
-0 to +85
UVLO (V)
.8
.8
OVP (V)
6.85
6.85
5.5
.7
6.85
.5
6.85
., 5.5
Logic
Overide
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Vds (V)
0
0
0
1
0
0
NA
NA
Rdson max
(mW) @ 4.5 V
71
66
66
75
66
66
NA
NA
Type
DFN
DFN
DFN
TDFN
TLLGA
TLLGA
SOT--5
SOT--5
Area (mm)
. x .
. x .
. x .
.0 x .0
.5 x .0
.5 x .0
.0 x .75
.0 x .75
Height
(mm)
0.85
0.85
0.85
0.85
0.55
0.55
1.00
1.00
.8
.6
+
OUT
IN
V
ref
GND
CNTRL
+
V
CC
Logic
FET
ULock Out
LOAD
AC/DC Adapter or
Accessory Charger
C1
SDiode
Microprocessor port
PCH
Typical OVP Device Diagram
Integrated Overvoltage Protection for Battery and Charging Circuits
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| NCP1410DMR2 | 250 mA Sync-Rect PFM Step-Up DC-DC Converter with Low-Battery Detector |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| NCP1521ASNT1G | 功能描述:直流/直流開關轉換器 ANA LED DRIVER RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| NCP1521B | 制造商:ON 功能描述:1.5 MHz, 600 mA Step-Down DC-DC Converter |
| NCP1521BEVB | 功能描述:電源管理IC開發工具 NCP1521B ANA EVAL BOARD 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 |
| NCP1521BMUTBG | 功能描述:直流/直流開關轉換器 STEP DWN DCDC CNVRTR 1.5MHz 600mA RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| NCP1521BSNT1G | 功能描述:直流/直流開關轉換器 STEP DWN DCDC CNVRTR 1.5MHz 600mA RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
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