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LP3918TLX-A/NOPB PDF预览

LP3918TLX-A/NOPB

更新时间： 2024-11-15 14:52:43
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德州仪器 - TI 电池
页数 文件大小 规格书
39页 910K
描述
Battery Charge Management and Regulator Unit 25-DSBGA -40 to 125

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LP3918TLX-A/NOPB 技术参数

是否Rohs认证：符合生命周期：Obsolete
零件包装代码：BGA包装说明：DSBGA-25
针数：25Reach Compliance Code：compliant
ECCN代码：5A991.GHTS代码：8542.39.00.01
Factory Lead Time：1 week风险等级：5.66
Is Samacsys：N其他特性：RESTART THRESHOLD VOLTAGE IS 4.05 VOLT
可调阈值：YES模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：S-PBGA-B25JESD-609代码：e1
长度：2.46 mm湿度敏感等级：1
信道数量：1功能数量：1
端子数量：25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：VFBGA封装等效代码：BGA25,5X5,20
封装形状：SQUARE封装形式：GRID ARRAY, VERY THIN PROFILE, FINE PITCH
峰值回流温度（摄氏度）：260电源：3.6 V
认证状态：Not Qualified座面最大高度：0.675 mm
子类别：Power Management Circuits最大供电电压 (Vsup)：6 V
最小供电电压 (Vsup)：4.5 V标称供电电压 (Vsup)：5 V
表面贴装：YES温度等级：AUTOMOTIVE
端子面层：Tin/Silver/Copper (Sn/Ag/Cu)端子形式：BALL
端子节距：0.5 mm端子位置：BOTTOM
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：2.46 mm
Base Number Matches：1

LP3918TLX-A/NOPB 数据手册

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LP3918  
www.ti.com  
SNVS476D –AUGUST 2007–REVISED MAY 2013  
LP3918 Battery Charge Management and Regulator Unit  
Check for Samples: LP3918  
1
FEATURES  
KEY SPECIFICATIONS  
2
•
Fully Integrated Li-Ion Battery Charger with  
Thermal Regulation  
•
50mA to 950mA Programmable Charge  
Current  
•
•
USB Charge Mode  
7 Low Noise LDO’s  
•
•
•
3.0V to 5.5V Input Voltage Range  
200mV Typ. Dropout Voltage on 300 mA LDO’s  
2% (Typ) Output Voltage Accuracy on LDO’s  
–
–
–
2 x 300 mA  
3 x 150 mA  
2 x 80 mA  
DESCRIPTION  
The LP3918 is a fully integrated charger and multi-  
regulator unit designed for CDMA cellular phones.  
The LP3918 contains a Li-Ion battery charger, 7 low  
noise low dropout (LDO) voltage regulators and a  
high-speed serial interface to program on/off  
conditions and output voltages of individual  
regulators, and also to read status information from  
the PMU.  
•
I2C Compatible Interface for Controlling LDO  
Outputs and Charger Operation  
•
•
•
•
Thermal Shutdown  
Under Voltage Lockout  
25-Bump Thin DSBGA Package 2.5 x 2.5 mm  
Options Available on Request, Please Contact  
Sales Office for Further Information;  
The Li-Ion charger integrates a power FET, reverse  
current blocking diode, sense resistor with current  
monitor output, and requires only a few external  
components. Charging is thermally regulated to  
obtain the most efficient charging rate for a given  
ambient temperature.  
–
–
–
Level Detect on HF_PWR & PWR_ON  
LDO Charging Mode  
Custom Default Settings on Charger, and  
LDO O/P's.  
LDO regulators provide high PSRR and low noise  
ideally suited for supplying power to both analog and  
digital loads.  
APPLICATIONS  
•
•
•
•
•
CDMA Phone Handsets  
Low Power Wireless Handsets  
Handheld Information Appliances  
Personal Media Players  
Digital Cameras  
Functional Block Diagram  
+
-
AC Adapter  
Li - Ion Charger  
Ichg  
Monitor  
BB Processor  
Power Domains  
I/O  
Interface  
of  
Baseband  
Processor  
Serial  
Interface  
Memory  
RF  
7 x LDO  
Control  
Peripheral  
Devices  
Figure 1. Simplified Functional Block Diagram  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2007–2013, Texas Instruments Incorporated  
On products compliant to MIL-PRF-38535, all parameters are  
tested unless otherwise noted. On all other products, production  
processing does not necessarily include testing of all parameters.  
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