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參數(shù)資料
| 型號(hào)： | LTC4075HVXEDD |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10 |
| 封裝： | 3 X 3 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WEED-2, DFN-10 |
| 文件頁(yè)數(shù)： | 3/16頁(yè) |
| 文件大?。?/td> | 170K |
| 代理商： | LTC4075HVXEDD |
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LTC4075HVX
11
4075hvxf
The USB power status open drain output (USBPWR) has
two states: pull-down and high impedance. The high imped-
ance state indicates that the LTC4075HVX is being powered
from the USBIN input. The pull-down state indicates that
the charger is either powered from DCIN or is in a UVLO
or an OVLO condition (see Table 1).
Thermal Limiting
An internal thermal feedback loop reduces the programmed
charge current if the die temperature attempts to rise
OPERATION
Figure 1. LTC4075HVX State Diagram of a Charge Cycle
SHUTDOWN MODE
(USBIN)
CHRG STATE: Hi-Z
CHARGE MODE
(DCIN)
FULL CURRENT
CHRG STATE: PULLDOWN
CHARGE MODE
(USBIN)
FULL CURRENT
CHRG STATE: PULLDOWN
STANDBY MODE
(DCIN)
NO CHARGE CURRENT
CHRG STATE: Hi-Z
SHUTDOWN MODE
(DCIN)
CHRG STATE: Hi-Z
YES
BAT < 4.075V
IBAT < ITERMINATE
IN VOLTAGE MODE
IBAT < ITERMINATE
IN VOLTAGE MODE
NO POWER
STANDBY MODE
(USBIN)
NO CHARGE CURRENT
CHRG STATE: Hi-Z
6V > USBIN > 3.95V and
USBIN > BAT
NO
YES
6V > DCIN > 4.15V and
DCIN > BAT
NO
DCIN > 4.15V and
DCIN > BAT
ENABLE = LOW
ENABLE = HIGH
POWER APPLIED
DCIN POWER REMOVED
USB POWER REMOVED
4075hvx F01
above a preset value of approximately 125°C. This feature
protects the LTC4075HVX from excessive temperature and
allows the user to push the limits of the power handling
capability of a given circuit board without risk of damag-
ing the device. The charge current can be set according
to typical (not worst-case) ambient temperature with the
assurance that the charger will automatically reduce the
current in worst case conditions. DFN package power
considerations are discussed further in the Applications
Information section.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC4075HVXEDD#PBF | 功能描述:IC CHARGER LI-ION 10-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 標(biāo)準(zhǔn)包裝:61 系列:- 功能:電源管理 電池化學(xué):鋰離子（Li-Ion）、鋰聚合物（Li-Pol） 電源電壓:4.35 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:22-WFDFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:22-DFN（6x3）裸露焊盤(pán) 包裝:管件 |
| LTC4075HVXEDD#PBF | 制造商:Linear Technology 功能描述:BATT CHARGER LI ON DUAL 10DFN 制造商:Linear Technology 功能描述:BATT CHARGER, LI ON, DUAL, 10DFN |
| LTC4075HVXEDD#TRPBF | 功能描述:IC CHARGER LI-ION 10-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 標(biāo)準(zhǔn)包裝:61 系列:- 功能:電源管理 電池化學(xué):鋰離子（Li-Ion）、鋰聚合物（Li-Pol） 電源電壓:4.35 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:22-WFDFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:22-DFN（6x3）裸露焊盤(pán) 包裝:管件 |
| LTC4075X | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Input USB/AC Adapter Standalone Li-Ion Battery Chargers |
| LTC4075XEDD | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Input USB/AC Adapter Standalone Li-Ion Battery Chargers |
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