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LTC4020EUHF#PBF

更新时间： 2024-01-15 04:33:15
品牌 Logo 应用领域
凌特 - Linear 电池
页数 文件大小 规格书
40页 406K
描述
LTC4020 - 55V Buck-Boost Multi-Chemistry Battery Charger; Package: QFN; Pins: 38; Temperature Range: -40°C to 85°C

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中文翻译

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LTC4020EUHF#PBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：QFN包装说明：HVQCCN,
针数：38Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：4.41Samacsys Description：LTC4020 - 55V Buck-Boost Multi-Chemistry Battery Charger
模拟集成电路 - 其他类型：BATTERY CHARGE CONTROLLER控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：55 V
最小输入电压：4.5 V标称输入电压：20 V
JESD-30 代码：R-PQCC-N38JESD-609代码：e3
长度：7 mm功能数量：1
端子数量：38最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：HVQCCN封装形状：RECTANGULAR
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：NOT SPECIFIED
座面最大高度：0.8 mm表面贴装：YES
切换器配置：BUCK-BOOST最大切换频率：500 kHz
技术：CMOS温度等级：AUTOMOTIVE
端子面层：Matte Tin (Sn)端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：5 mm
Base Number Matches：1

LTC4020EUHF#PBF 数据手册

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LTC4020  
55V Buck-Boost  
Multi-Chemistry  
Battery Charger  
FeaTures  
DescripTion  
The LTC®4020 is a high voltage power manager provid-  
ing PowerPath™ instant-on operation and high efficiency  
battery charging over a wide voltage range. An onboard  
buck-boost DC/DC controller operates with battery and/or  
systemvoltagesabove,below,orequaltotheinputvoltage.  
n
Wide Voltage Range: 4.5V to 55V Input, Up to 55V  
Output (60V Absolute Maximums)  
n
Synchronous Buck-Boost DC/DC Controller  
n
Li-Ion and Lead-Acid Charge Algorithms  
n
0.5ꢀ ꢁloat Voltage Accuracy  
n
5ꢀ Charge Current Accuracy  
The LTC4020 seamlessly manages power distribution  
betweenbatteryandconverteroutputsinresponsetoload  
variations, battery charge requirements and input power  
supply limitations.  
n
Instant-On for Heavily Discharged Batteries  
n
Ideal Diode Controller Provides Low Loss  
PowerPath When Input Power is Limited  
n
Input Voltage Regulation for High Impedance Input  
Supplies and Solar Panel Peak Power Operation  
TheLTC4020batterychargercanprovideaconstant-current/  
constant-voltage charge algorithm (CC/CV), constant-  
currentcharging(CC),orchargingwithanoptimized4-step,  
3-stagelead-acidbatterychargeprofile. Maximumconverter  
and battery charge currents are resistor programmable.  
n
Onboard Timer for Protection and Termination  
n
Bad Battery Detection with Auto-Reset  
n
NTC Input for Temperature Qualified Charging  
n
Binary Coded Open-Collector Status Pins  
n
Low Profile (0.75mm) 38-Pin 5mm × 7mm QFN  
The IC's instant-on operation ensures system load power  
even with a fully discharged battery. Additional safety  
features include preconditioning for heavily discharged  
batteries and an integrated timer for termination and  
protection.  
Package  
applicaTions  
n
Portable Industrial and Medical Equipment  
n
Solar-Powered Systems  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and  
PowerPath is a trademark of Linear Technology Corporation. All other trademarks are the  
property of their respective owners. Protected by U.S. Patents, including 7583113 and 8405362.  
n
Military Communications Equipment  
12V to 24V Embedded Automotive Systems  
n
Typical applicaTion  
Buck-Boost DC/DC Converter Controller with PowerPath Battery Charger Accepts  
Inputs from 4.5V to 55V and Produces Output Voltages Up to 55V  
5V to 30V 6-Cell Lead-Acid Supply/Charger  
Maximum Power Efficiency vs VIN  
BUCK-BOOST  
R
SENSEA  
100  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
DC/DC CONVERTER  
PowerPath BATTERY CHARGER  
V
= 14V  
V
V
OUT  
OUT  
IN  
EFFICIENCY  
95  
R
CS  
90  
INPUT POWER  
LTC4020  
85  
R
SENSEB  
80  
P(LOSS)  
75  
R
NTC  
5
10  
15  
20  
25  
30  
V
(V)  
IN  
4020 TA01b  
4020 TA01a  
4020f  
1
For more information www.linear.com/LTC4020  
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中文翻译

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LTC4020EUHF#PBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC4020EUHF#TRPBF Linear

完全替代

 LTC4020 - 55V Buck-Boost Multi-Chemistry Battery Charger; Package: QFN; Pins: 38; Temperat

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