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LTC4075HVXEDD PDF预览

LTC4075HVXEDD

更新时间： 2024-11-12 05:43:59
品牌 Logo 应用领域
凌特 - Linear 电源电路电池电源管理电路高压
页数 文件大小 规格书
16页 161K
描述
High Voltage Dual Input Li-Ion/Polymer Battery Charger

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中文翻译

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LTC4075HVXEDD 技术参数

是否无铅：含铅是否Rohs认证：不符合
生命周期：Transferred零件包装代码：SON
包装说明：HVSON, SOLCC10,.12,20针数：10
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.16
Is Samacsys：N可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：S-PDSO-N10
JESD-609代码：e0长度：3 mm
湿度敏感等级：1信道数量：1
功能数量：1端子数量：10
最高工作温度：85 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装代码：HVSON
封装等效代码：SOLCC10,.12,20封装形状：SQUARE
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：235
电源：5 V认证状态：Not Qualified
座面最大高度：0.8 mm子类别：Power Management Circuits
最大供电电流 (Isup)：0.8 mA最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：4.3 V标称供电电压 (Vsup)：5 V
表面贴装：YES技术：CMOS
温度等级：COMMERCIAL EXTENDED端子面层：Tin/Lead (Sn/Pb)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：DUAL处于峰值回流温度下的最长时间：20
宽度：3 mmBase Number Matches：1

LTC4075HVXEDD 数据手册

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LTC4075HVX  
High Voltage Dual Input  
Li-Ion/Polymer Battery  
Charger  
FEATURES  
DESCRIPTION  
The LTC®4075HVX is a standalone linear charger that is  
capable of charging a single-cell Li-Ion/Polymer battery  
from both wall adapter and USB inputs. The charger can  
detect power at the inputs and automatically select the  
appropriate power source for charging.  
■
22V Maximum Voltage for Wall Adapter and  
USB Inputs  
■
Charge Single-Cell Li-Ion Batteries from Wall  
Adapter and USB Inputs  
■
Automatic Input Power Detection and Selection  
■
Charge Current Programmable up to 950mA from  
No external sense resistor or blocking diode is required  
for charging due to the internal MOSFET architecture. The  
LTC4075HVX features a maximum 22V rating for both  
wall adapter and USB inputs although charging stops if  
the selected power source exceeds the overvoltage limit.  
Internal thermal feedback regulates the battery charge  
currenttomaintainaconstantdietemperatureduringhigh  
power operation or high ambient temperature conditions.  
The float voltage is fixed at 4.2V and the charge current is  
programmed with an external resistor. The LTC4075HVX  
terminatesthechargecyclewhenthechargecurrentdrops  
below the programmed termination threshold after the  
final float voltage is reached.  
Wall Adapter Input  
■
Overvoltage Lockout for Wall Adapter and  
USB Inputs  
■
No External MOSFET, Sense Resistor or Blocking  
Diode Needed  
■
Thermal Regulation Maximizes Charge Rate Without  
Risk of Overheating*  
■
Preset Charge Voltage with 0.ꢀ5ꢁ ꢂccuracy  
■
Programmable Charge Current Termination  
■
40μꢂ USB Suspend Current in Shutdown  
■
Independent “Power Present” Status Outputs  
■
Charge Status Output  
ꢂutomatic Recharge  
■
■
Other features include automatic recharge, undervoltage  
lockout,chargestatusoutputs,and“powerpresent”status  
outputs to indicate the presence of wall adapter or USB  
power.Notricklechargeallowsfullcurrentfromthecharger  
when a load is connected directly to the battery.  
ꢂvailable in a Thermally Enhanced, Low Profile  
(0.75mm) 10-Lead (ꢀmm × ꢀmm) DFN Package  
APPLICATIONS  
■
Cellular Telephones  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All  
other trademarks are the property of their respective owners.  
■
Handheld Computers  
*Protected by U.S. Patents including 6522118, 6700364.  
■
Portable MPꢀ Players  
Digital Cameras  
■
TYPICAL APPLICATION  
Charge Current vs Supply Voltage  
900  
Dual Input Battery Charger for Single-Cell Li-Ion  
R
R
= 1.24k  
IUSB  
= 3.5V  
IDC  
= 2k  
800  
700  
600  
500  
400  
300  
200  
100  
0
800mA (WALL)  
V
BAT  
LTC4075HVX  
DCIN BAT  
500mA (USB)  
WALL  
ADAPTER  
CHARGE FROM DCIN  
USB  
USBIN  
IUSB  
IDC  
4.2V  
+
PORT  
1μF  
2k  
SINGLE CELL  
Li-Ion BATTERY  
ITERM  
GND  
1μF  
CHARGE  
FROM USBIN  
1%  
1.24k  
1%  
2k  
1%  
4075hvx TA01  
2
3
4
5
6
7
8
19 20  
SUPPLY VOLTAGE (V)  
4075hvx TA01b  
4075hvxf  
1
1234567...16

中文翻译

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