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參數(shù)資料
| 型號(hào)： | LTC4098EUDC-3.6#TRPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | BATTERY CHARGE CONTROLLER, PQCC20 |
| 封裝： | 3 X 4 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-20 |
| 文件頁數(shù)： | 1/32頁 |
| 文件大?。?/td> | 1915K |
| 代理商： | LTC4098EUDC-3.6#TRPBF |
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LTC4098-3.6
409836f
USB Compatible Switching
Power Manager/LiFePO4 Charger
with Overvoltage Protection
The LTC4098-3.6 is a high efficiency USB PowerPath
controllerandfull-featuredLiFePO4batterycharger.Itseam-
lessly manages power distribution from multiple sources
including USB, wall adapter, automotive, Firewire or other
high voltage DC/DC converters, and a LiFePO4 battery.
TheLTC4098-3.6chargealgorithmisoptimizedforLiFePO4
by implementing a 1-hour float voltage termination timer
and a 0°C to 60°C NTC-based charge qualification range.
Furthermore,completelydischargedbatteriesarecharged
at the full programmed charge current.
The LTC4098-3.6’s switching regulator can automatically
limit its input current for USB compatibility. For automo-
tive and other high voltage applications, the LTC4098-3.6
interfaces with an external switching regulator. Both the
USB input and the auxiliary input controller feature Bat-
Track optimized charging to provide maximum power to
the application and reduced heat in high power density ap-
plications with input supplies from 5V to as high as 38V.
An overvoltage protection circuit guards the LTC4098-3.6
from high voltage damage on the VBUS pin with just two
external components.
The LTC4098-3.6 is available in a 20-lead 3mm
× 4mm ×
0.75mm QFN surface mount package.
n
High Peak Power Battery-Powered Equipment
n
Backup Applications
n
High Reliability Handhelds
n
Switching Regulator with Bat-TrackTM Adaptive
Output Control Makes Optimal Use of Limited
Power Available from USB Port to Charge Battery
and Power Application
n
Charge Control Algorithm Specifically Designed
for LiFePO4 (Lithium Iron Phosphate)
n
Overvoltage Protection Guards Against Damage
n
Bat-Track External Step-Down Switching Regulator
Control Maximizes Efficiency from Automotive,
Firewire and Other High Voltage Input Sources
n
180mΩ Internal Ideal Diode Plus External Ideal Diode
Controller Seamlessly Provide Low Loss PowerPathTM
When Input Power Is Limited or Unavailable
n
Preset 3.6V Charge Voltage with 0.5% Accuracy
n
Instant-On Operation with Discharged Battery
n
700mA Maximum Load Current from USB Port
n
2A Maximum Input Current from Internal Switching
Regulator
n
1.5A Maximum Charge Current with Thermal Limiting
n
20-Lead 3mm
× 4mm × 0.75mm QFN Package
High Efficiency USB Compatible LiFePO4 Battery Charger with Overvoltage Protection
VBUS
10F
0.1F
3.01k
500
10F
3.3H
6.04k
5V/USB
TO C
SYSTEM
LOAD
409836 TA01a
CLPROG PROG
LTC4098-3.6
GND
SW
BATSENS
OVGATE
OVSENS
D0-D2
BAT
VOUT
LiFePO4
+
3
Reduced Power Dissipation
vs Linear Battery Charger
BATTERY VOLTAGE (V)
2.70
0
POWER
DISSIP
ATION
(W)
0.5
1.0
1.5
2.0
3.0
2.85
3.00
3.15
3.30
409836 TA01b
3.45
3.60
2.5
VIN = 5V
PROG = 500
ICHRG = 1.1A
10x MODE
SWITCHING
BATTERY
CHARGER
LINEAR BATTERY
CHARGER
ADDITIONAL POWER
AVAILABLE FOR CHARGING
Typical applicaTion
FeaTures
applicaTions
DescripTion
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
Bat Track and PowerPath are trademarks of Linear Technology Corporation. All other trademarks
are the property of their respective owners.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC4099 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:I2C Controlled USB Power Manager/Charger with Overvoltage Protection |
| LTC4099EPDC#PBF | 功能描述:IC USB PWR MANAGER/CHRGR 20UTQFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:PowerPath™ 標(biāo)準(zhǔn)包裝:1 系列:- 功能:充電管理 電池化學(xué):鋰離子（Li-Ion）、鋰聚合物（Li-Pol） 電源電壓:3.75 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:669 (CN2011-ZH PDF) 其它名稱:MCP73831T-2ACI/OTCT |
| LTC4099EPDC#TRMPBF | 制造商:Linear Technology 功能描述: |
| LTC4099EPDC#TRPBF | 功能描述:IC USB PWR MANAGER/CHRGR 20UTQFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:PowerPath™ 標(biāo)準(zhǔn)包裝:1 系列:- 功能:充電管理 電池化學(xué):鋰離子（Li-Ion）、鋰聚合物（Li-Pol） 電源電壓:3.75 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:669 (CN2011-ZH PDF) 其它名稱:MCP73831T-2ACI/OTCT |
| LTC4099EPDC-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:I2C Controlled USB Power Manager/Charger with Overvoltage Protection |
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