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MCP73864-I/ML Datasheet

  • MCP73864-I/ML

  • Battery Management - Advanced Lithium-Ion/-Polymer Charge mg...

  • 443.80KB

  • 28页

  • Microchip   Microchip

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MCP73861/2/3/4
Advanced Single or Dual Cell, Fully Integrated Li-Ion /
Li-Polymer Charge Management Controllers
Features
鈥?Linear Charge Management Controllers
- Integrated Pass Transistor
- Integrated Current Sense
- Reverse-Blocking Protection
鈥?High-Accuracy Preset Voltage Regulation: + 0.5%
鈥?Four Selectable Voltage Regulation Options:
- 4.1V, 4.2V 鈥?/div>
MCP73861/3
- 8.2V, 8.4V 鈥?/div>
MCP73862/4
鈥?Programmable Charge Current: 1.2A Maximum
鈥?Programmable Safety Charge Timers
鈥?Preconditioning of Deeply Depleted Cells
鈥?Automatic End-of-Charge Control
鈥?Optional Continuous Cell Temperature Monitoring
鈥?Charge Status Output for Direct LED Drive
鈥?Fault Output for Direct LED Drive
鈥?Automatic Power-Down
鈥?Thermal Regulation
鈥?Temperature Range: -40掳C to +85掳C
鈥?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
Section 5.2.1
鈥淐harge
Status
Outputs
(STAT1,STAT2)鈥?
The MCP7386X family of devices are fully specified
over the ambient temperature range of -40掳C to +85掳C.
Applications
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
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
漏
2005 Microchip Technology Inc.
DS21893C-page 1

MCP73864-I/ML 产品属性

  • Microchip

  • 电池管理

  • Li-Ion, Li-Poly

  • 8.2 V, 8.4 V

  • 1200 mA

  • + 85 C

  • - 40 C

  • QFN

  • Tube

  • SMD/SMT

  • 91

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