5秒后页面跳转
捷配首页

Datasheet > 电源电路 > 电源管理电路> LT1505
LT1505 PDF预览

LT1505

更新时间： 2024-11-10 22:51:51
品牌 Logo 应用领域
凌特 - Linear 电池
页数 文件大小 规格书
16页 217K
描述
Constant-Current/Voltage High Efficiency Battery Charger

阅读下载

中文翻译

获取价格

LT1505 数据手册

 浏览型号LT1505的Datasheet PDF文件第2页浏览型号LT1505的Datasheet PDF文件第3页浏览型号LT1505的Datasheet PDF文件第4页浏览型号LT1505的Datasheet PDF文件第5页浏览型号LT1505的Datasheet PDF文件第6页浏览型号LT1505的Datasheet PDF文件第7页 
LT1505  
Constant-Current/Voltage  
High Efficiency Battery Charger  
U
FEATURES  
DESCRIPTIO  
The LT®1505 PWM battery charger controller fast charges  
multiple battery chemistries including lithium-ion (Li-Ion),  
nickel-metal-hydride (NiMH) and nickel-cadmium (NiCd)  
using constant-current or constant-voltage control. Maxi-  
mum current can be easily programmed by resistors or a  
DAC. The constant-voltage output can be selected for 3 or 4  
series Li-Ion cells with 0.5% accuracy.  
■
Simple Charging of Li-Ion, NiMH and NiCd Batteries  
Very High Efficiency: Up to 97%  
■
■
■
Precision 0.5% Charging Voltage Accuracy  
Preset Battery Voltages: 12.3V, 12.6V,  
16.4V and 16.8V  
■
■
■
■
■
■
■
■
5% Charging Current Accuracy  
Charging Current Programmed by Resistor or DAC  
0.5V Dropout Voltage, Duty Cycle > 99.5%  
AC Adapter Current Limit* Maximizes Charging Rate  
Flag Indicates Li-Ion Charge Completion  
Auto Shutdown with Adapter Removal  
Only 10µA Battery Drain When Idle  
A third control loop limits the current drawn from the AC  
adapterduringcharging*.Thisallowssimultaneousopera-  
tionoftheequipmentandfastbatterychargingwithoutover-  
loading the AC adapter.  
TheLT1505canchargebatteriesrangingfrom2.5Vto20V  
with dropout voltage as low as 0.5V. Synchronous  
N-channel FETs switching at 200kHz give high efficiency  
and allow small inductor size. A diode is not required in  
series with the battery because the charger automatically  
enters a 10µA sleep mode when the wall adapter is un-  
plugged. A logic output indicates Li-Ion full charge when  
current drops to 20% of the programmed value.  
Synchronizable Up to 280kHz  
U
APPLICATIO S  
■
Notebook Computers  
■
Portable Instruments  
■
Chargers for Li-Ion, NiMH, NiCd and Lead Acid  
Rechargeable Batteries  
The LT1505 is available in a 28-pin SSOP package.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
*US Patent No. 5,723,970  
U
TYPICAL APPLICATION  
TO  
M3  
SYSTEM POWER  
Si4435  
C4  
0.1µF  
DBODY*  
D3  
R
S4  
MMSD4148T1  
V
0.025Ω  
IN  
(FROM  
C
IN  
V
CC  
BOOST BOOSTC  
GBIAS  
C2  
0.68µF  
C3  
2.2µF  
ADAPTER)  
D2  
C1  
1µF  
47µF  
R7  
500Ω  
MMSD4148T1  
35V  
M1  
Si4412  
L1  
15µH  
R
S1  
0.025Ω  
TGATE  
CLN  
CLP  
100k  
5Ω  
SW  
V
BAT  
R5  
4k  
C
M2  
D4  
OUT  
INFET  
UV  
BGATE  
12.6V  
BATTERY  
22µF  
25V  
×2  
Si4412  
MBRS140  
V
C
R6  
4k  
SYNC  
SHDN  
FLAG  
CAP  
PROG  
LT1505  
R
3k  
3 CELL  
X4  
300Ω  
V
FB  
R
R
S3  
C
R
S2  
PROG  
1µF  
0.33µF  
200Ω  
200Ω  
4.2V  
4.1V  
*BODY DIODE  
POLARITY MUST  
BE AS SHOWN  
1%  
1%  
PROG  
4.93k  
1%  
COMP1  
R1  
1k  
C7  
0.68µF  
AGND  
PGND  
NOTE: DBODY IS THE BODY DIODE OF M3  
C6  
0.1µF  
C
: SANYO OS-CON  
IN  
L1: SUMIDA CDRH127-150  
BAT2 BAT  
SENSE SPIN  
(CAN BE FROM 10µH TO 30µH)  
1505 F01  
Figure 1. Low Dropout 4A Lithium-Ion Battery Charger  
1
1234567...16

中文翻译

下载PDF

与LT1505相关器件

型号 品牌 获取价格 描述 数据表
LT1505CG Linear

获取价格

 		Constant-Current/Voltage High Efficiency Battery Charger
LT1505CG#PBF Linear

获取价格

 		LT1505 - Constant-Current/Voltage High Efficiency Battery Charger; Package: SSOP; Pins: 28
LT1505CG#TR Linear

获取价格

 		LT1505 - Constant-Current/Voltage High Efficiency Battery Charger; Package: SSOP; Pins: 28
LT1505CG-1 Linear

获取价格

 		Constant-Current/Voltage High Efficiency Battery Charger
LT1505CG-1#PBF Linear

获取价格

 		LT1505 - Constant-Current/Voltage High Efficiency Battery Charger; Package: SSOP; Pins: 28
LT1505CG-1#TR Linear

获取价格

 		LT1505 - Constant-Current/Voltage High Efficiency Battery Charger; Package: SSOP; Pins: 28
LT1505CG-1#TRPBF Linear

获取价格

 		LT1505 - Constant-Current/Voltage High Efficiency Battery Charger; Package: SSOP; Pins: 28
LT1505G DIODES

获取价格

 		1.5A GLASS PASSIVATED RECTIFIER
LT1505G-T DIODES

获取价格

 		暂无描述
LT1506 Linear

获取价格

 		4.5A, 500kHz Step-Down Switching Regulator

与LT1505相关文章

您还可以找


热门产品
PCB打样/小批量
铝基板
BOM智能配单
PCBA制造
钣金
精密CNC
模具注塑
薄膜开关
精选活动
PCBA打样特惠
四六层板品质升级
铝基板品质升级
一体化电子制造
DFM下载
服务支持
企业认证
产品展示
工厂展示
工艺能力
积分商城
关于捷配
捷配简介
企业文化
公司动态
人才招聘
联系我们
帮助中心
下单流程
付款流程
开票流程
常见问题
全球PCB制造服务专线 400-613-0088

工作时间：9:00-21:00

CEO邮箱：ceo@jiepei.com

投诉邮箱：tousu@jiepei.com

捷配网-微信公众号 微信公众号
捷配网-微信公众号 抖音公众号
资质认证：
合作快递：
支付方式：
Copyright © 2024 Jiepei.com Inc. All Rights Reserved. 版权所有:杭州捷配信息科技有限公司 浙公网安备 33010502006866号 浙ICP备10014259号-119 营业执照ICP证