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LI-ION SYSTEM PPM
REFERENCE DESIGN
Chapter 1. Product Overview
1.1
INTRODUCTION
Portable electronics has played an important role in modern era. Due to the natural
characteristics of Li-Ion / Li-Polymer batteries, they are the most popular power
sources for mobile devices. However, extra care in design is always important to
implement Li-Ion / Li-Polymer batteries. System Power Path Management allows
end-users to charge their batteries without interruption. This reference design is
developed to assist product designers in reducing product design cycle and time by
utilizing Microchip’s favorite stand-alone Li-Ion battery charge management controllers
with system power path management.
This chapter provides an overview of the Li-Ion Battery Charger System Power Path
Management Reference Designand covers the following topics:
? “What is the Li-Ion Battery Charger System Power Path Management Reference
Design?”
? “What the Li-Ion Battery Charger System Power Path Management Reference
Design Kit includes.
”
RPULL
Q1
D1
V IN
1
V DD
VBAT
10
CIN
RLED1
RLED2
2
3
4
V DD
STAT1
STAT2
9
V SS 5
8
THERM
COUT
Thermistor
+
Li-Ion
Cell
-
System
Load
RLED3
7
/PG
PROG
6
MCP73833
RPROG
FIGURE 1-1:
MCP73833 With System Power Path Management Application.
? 2008 Microchip Technology Inc.
DS51746A-page 5
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相关代理商/技术参数
MCP73841 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Advanced Single or Dual Cell Lithium-Ion/ Lithium-Polymer Charge Management Controllers
MCP73841_13 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Advanced Single or Dual Cell Lithium-Ion/ Lithium-Polymer Charge Management Controllers
MCP73841-410I/MS 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Advanced Single or Dual Cell Lithium-Ion/ Lithium-Polymer Charge Management Controllers
MCP73841-410I/UN 功能描述:电池管理 w/ Ch Sfty & Temp Mn RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel
MCP73841-420I/MS 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Advanced Single or Dual Cell Lithium-Ion/ Lithium-Polymer Charge Management Controllers
MCP73841-420I/UN 功能描述:电池管理 w/ Ch Sfty & Temp Mn RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel
MCP73841-820I/MS 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Advanced Single or Dual Cell Lithium-Ion/ Lithium-Polymer Charge Management Controllers
MCP73841-820I/UN 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Advanced Single or Dual Cell Lithium-Ion/ Lithium-Polymer Charge Management Controllers