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LTC1729CS8-8.2 PDF预览

LTC1729CS8-8.2

更新时间: 2024-09-23 22:24:07
品牌 Logo 应用领域
凌特 - Linear 电源电路电池电源管理电路光电二极管控制器
页数 文件大小 规格书
12页 203K
描述
Li-Ion Battery Charger Termination Controllers

LTC1729CS8-8.2 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:SOIC包装说明:0.150 INCH, PLASTIC, SOP-8
针数:8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.15Is Samacsys:N
可调阈值:NO模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
长度:4.9 mm湿度敏感等级:1
信道数量:1功能数量:1
端子数量:8最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
电源:12 V认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Power Management Circuits
最大供电电流 (Isup):21 mA最大供电电压 (Vsup):28 V
最小供电电压 (Vsup):8 V标称供电电压 (Vsup):12 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL宽度:3.9 mm
Base Number Matches:1

LTC1729CS8-8.2 数据手册

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Final Electrical Specifications  
LTC1729 Series  
Li-Ion Battery Charger  
Termination Controllers  
October 1999  
U
DESCRIPTION  
FEATURES  
The LTC®1729 series is a family of smart termination  
controllers for lithium-ion battery chargers. These ICs  
providetricklechargepreconditioning,temperaturecharge  
qualification, time or charge current termination, auto-  
matic charger and battery detection and status output.  
Combining the LTC1729 series part with the LT®1510  
(1.5A), LT1769 (2A), LT1511 (3A) and LT1505 (>4A)  
step-down chargers is a simple operation. Connecting six  
pins from the LTC1729 series part to the step-down  
chargers completes the integration. The LTC1729 termi-  
nation controllers are also compatible with step-down/  
step-up(SEPIC)chargers,includingtheLT1512(2Aswitch)  
and LT1513 (3A switch).  
Trickle Charge Preconditioning If Cell <2.7V  
Charging Enabled When 0°C < T < 50°C  
Built-In Termination: 3-Hour Time-Out  
C/10 Detection with Status Indicator  
Automatic Charger Present Detection  
Automatic Battery Present Detection  
1- or 2-Cell, 4.1V/Cell or 4.2V/Cell Options  
Precision Internal 0.2% Voltage Feedback Divider  
Compatible with LT1505/LT1510/LT1511/  
LT1512/LT1513/LT1769  
Small Footprint/Low Profile  
U
APPLICATIONS  
Cellular Phones  
The LTC1729 series is available in the 8-pin MSOP and SO  
packages.  
PDAs  
Cradle Chargers  
Camcorders  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATION  
MBRM120T3  
INPUT POWER  
8.2V TO 20V  
MBRM120T3  
V
SW  
CC  
+
1µF  
6.19k  
LT1510-5  
PROG  
C
IN  
*
0.22µF  
300Ω  
10µF  
L1**  
BOOST  
GND  
10µH  
1k  
V
C
MMBD914L  
0.1µF  
OVP  
SENSE  
BAT  
+
C
***  
OUT  
4.2V  
22µF  
1
2
3
4
8
7
6
5
0.1µF  
OVP  
BAT  
V
CC  
1.4k  
D1  
CHARGE STATUS  
V
C
1µF  
LTC1729-4.2  
SENSE STATUS  
200Ω  
1729 F01  
GND  
NTC  
10k NTC THERMISTOR, NTHS1206N02 VISHAY/DALE  
NOTE: EITHER A THERMISTOR OR 10k RESISTOR MUST BE PRESENT  
* TOKIN OR MARCON SURFACE MOUNT  
** COILTRONICS TP3-100, 10µH, 2.2mm HEIGHT  
(0.8A CHARGING CURRENT)  
OPTION: TIE RESISTOR TO STATUS FOR  
CHARGE TERMINATION AT  
LOW CHARGING CURRENT  
COILTRONICS TP1 SERIES, 10µH, 1.8mm  
HEIGHT (<0.5A CHARGING CURRENT)  
*** PANASONIC EEFCD1B220  
LUMEX SML-LX0805GW-TR  
Figure 1. 500kHz Li-Ion Cell Phone Charger (0.8A)  
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.  
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-  
tationthattheinterconnectionofitscircuitsasdescribedhereinwillnotinfringeonexistingpatentrights.  
1

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