LTC1479

更新时间： 2024-09-24 22:57:35

品牌	Logo	应用领域
凌特 - Linear		电池控制器
页数	文件大小	规格书
24页	469K
描述
PowerPath Controller for Dual Battery Systems

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中文翻译

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LTC1479 数据手册

LTC1479

PowerPath Controller

for Dual Battery Systems

DESCRIPTION

FEATURES

The LTC^®1479 is the “heart” of a total power management

solution for single and dual battery notebook computers

andotherportableequipment.TheLTC1479directspower

from up to two battery packs and a DC power source to the

input of the main system switching regulator. It works in

concert with related LTC power management products

(e.g. LTC1435, LT^®1511, etc.) to create a total system

solution; starting from the batteries and the DC power

source, and ending at the input of each of the computer’s

complex loads. A system-provided power management

µP monitors and actively directs the LTC1479.

■

Complete Power Path Management for Two

Batteries, DC Power Source, Charger and Backup

Compatible with Li-Ion, NiCd, NiMH and Lead-Acid

■

Battery Chemistries

■

“3-Diode” Mode Ensures Powers is Available

under “Cold Start” Conditions

■

All N-Channel Switching Reduces Power Losses

■

Capacitor and Battery Inrush Current Limited

■

“Seamless” Switching Between Power Sources

■

Independent Charging and Monitoring of Two

Battery Packs

■

New, Small Footprint, 36-Lead SSOP Package

The LTC1479 uses low loss N-channel MOSFET switches

to direct power from three main sources. An adaptive

current limiting scheme reduces capacitor and battery

inrush current by controlling the gates of the MOSFET

switches during transitions. The LTC1479 interfaces di-

rectly to the LT1510, LT1511 and LT1620/LTC1435 bat-

tery charging circuits.

APPLICATIONS

■

Notebook Computer Power Management

■

Portable Instruments

■

Handheld Terminals

Portable Medical Equipment

Portable Industrial Control Equipment

■

, LTC and LT are registered trademarks of Linear Technology Corporation.

PowerPath is a trademark of Linear Technology Corporation.

TYPICAL APPLICATION

Dual Battery PowerPath^TMController System Block Diagram

SW A/B

DCIN

ADAPTER

HIGH EFFICIENCY

DC/DC SWITCHING

REGULATOR

(LTC1435/LTC1438

ETC.)

SW C/D

SW E/F

SENSE

BAT1

SW G

SW H

BAT2

BATTERY CHARGER

(LT1510/LT1511/

LT1620/LTC1435)

BACKUP

REGULATOR

(LT1304)

POWER

LTC1479

PowerPath CONTROLLER

STATUS &

CONTROL

MANAGEMENT

µP

1479 TA01

12 3 4 5 6 7...24

中文翻译

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与LTC1479相关器件

型号	品牌	获取价格	描述	数据表
LTC1479CG	Linear	获取价格	PowerPath Controller for Dual Battery Systems
LTC1479CG#TR	Linear	获取价格	LTC1479 - PowerPath Controller for Dual Battery Systems; Package: SSOP; Pins: 36; Temperat
LTC1479CG#TRPBF	Linear	获取价格	LTC1479 - PowerPath Controller for Dual Battery Systems; Package: SSOP; Pins: 36; Temperat
LTC1479IG	Linear	获取价格	PowerPath Controller for Dual Battery Systems
LTC1479IG#PBF	Linear	获取价格	LTC1479 - PowerPath Controller for Dual Battery Systems; Package: SSOP; Pins: 36; Temperat
LTC1479IG#TR	Linear	获取价格	LTC1479 - PowerPath Controller for Dual Battery Systems; Package: SSOP; Pins: 36; Temperat
LTC1480	Linear	获取价格	3.3V Ultra-Low Power RS485 Transceiver
LTC1480	ADI	获取价格	3.3V 超低功率 RS485 收发器
LTC1480C	Linear	获取价格	3.3V Ultra-Low Power RS485 Transceiver
LTC1480CN8	Linear	获取价格	3.3V Ultra-Low Power RS485 Transceiver

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