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MCP73861-I/ML PDF Datasheet浏览和下载

型号.:
MCP73861-I/ML
PDF下载:
下载PDF文件
内容描述:
先进的单或双电池,完全集成的锂离子/锂聚合物充电管理控制器
[Advanced Single or Dual Cell, Fully Integrated Li-Ion / Li-Polymer Charge Management Controllers]
文件大小:
444 K
文件页数:
28 Pages
品牌Logo:
品牌名称:
MICROCHIP [ MICROCHIP TECHNOLOGY ]
供应:
MCP73861-I/ML货源
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MCP73861/2/3/4
Advanced Single or Dual Cell, Fully Integrated Li-Ion /
Li-Polymer Charge Management Controllers
Features
• Linear Charge Management Controllers
- Integrated Pass Transistor
- Integrated Current Sense
- Reverse-Blocking Protection
• High-Accuracy Preset Voltage Regulation: + 0.5%
• Four Selectable Voltage Regulation Options:
- 4.1V, 4.2V –
MCP73861/3
- 8.2V, 8.4V –
MCP73862/4
• Programmable Charge Current: 1.2A Maximum
• Programmable Safety Charge Timers
• Preconditioning of Deeply Depleted Cells
• Automatic End-of-Charge Control
• Optional Continuous Cell Temperature Monitoring
• Charge Status Output for Direct LED Drive
• Fault Output for Direct LED Drive
• Automatic Power-Down
• Thermal Regulation
• Temperature Range: -40°C to +85°C
• Packaging: 16-Pin, 4 x 4 QFN
16-Pin SOIC
Description
The MCP7386X family of devices are highly advanced
linear charge management controllers for use in space-
limited, cost-sensitive applications. The devices com-
bine high-accuracy, constant voltage and current regu-
lation, cell preconditioning, cell temperature monitoring,
advanced safety timers, automatic charge termination,
internal current sensing, reverse-blocking protection,
charge status and fault indication in either a space-
saving 16-pin, 4 x 4 QFN or 16-pin SOIC package. The
MCP7386X provides a complete, fully-functional, stand-
alone charge management solution with a minimum
number of external components.
The MCP73861/3 is intended for applications utilizing
single-cell Lithium-Ion or Lithium-Polymer battery
packs, while the MCP73862/4 is intended for dual
series cell Lithium-Ion or Lithium-Polymer battery
packs. The MCP73861/3 have two selectable voltage-
regulation options available (4.1V and 4.2V), for use
with either coke or graphite anodes and operate with an
input voltage range of 4.5V to 12V. The MCP73862/4
have two selectable voltage-regulation options avail-
able (8.2V and 8.4V), for use with coke or graphite
anodes, and operate with an input voltage range of
8.7V to 12V.
The only difference between the MCP73861/2 and
MCP73863/4, respectively, is the function of the charge
status output (STAT1) when a charge cycle has been
completed. The MCP73861/2 flash the output, while
the MCP73863/4 turn the output off. Refer to
The MCP7386X family of devices are fully specified
over the ambient temperature range of -40°C to +85°C.
Applications
Lithium-Ion/Lithium-Polymer Battery Chargers
Personal Data Assistants (PDAs)
Cellular Telephones
Hand-Held Instruments
Cradle Chargers
Digital Cameras
MP3 Players
Package Types
STAT1
STAT2
V
SS2
16-Pin QFN
16-Pin SOIC
STAT2 1
STAT1 2
12 V
BAT3
11 V
BAT2
10 V
BAT1
9 V
SS3
16 EN
15 V
SS2
16
V
SET
1
V
DD1
2
V
DD2
3
V
SS1
4
5
PROG
15
14
EN
13
MCP73861
MCP73862
MCP73863
MCP73864
6
THREF
7
THERM
8
TIMER
V
DD1
4
V
DD2
5
V
SS1
6
PROG 7
THREF 8
MCP73861
MCP73862
MCP73863
MCP73864
V
SET
3
14 V
BAT3
13 V
BAT2
12 V
BAT1
11 V
SS3
10 TIMER
9 THERM
©
2005 Microchip Technology Inc.
DS21893C-page 1