Microchip MCP73842 Manual


Læs nedenfor 📖 manual på dansk for Microchip MCP73842 (26 sider) i kategorien Ikke kategoriseret. Denne guide var nyttig for 3 personer og blev bedømt med 4.5 stjerner i gennemsnit af 2 brugere

Side 1/26
2003-2013 Microchip Technology Inc. DS21823D-page 1
MCP73841/2/3/4
Features
Linear Charge Management Controllers
High-Accuracy Preset Voltage Regulation:
- + 0.5% (max)
Four Preset Voltage Regulation Options:
- 4.1V - MCP73841-4.1, MCP73843-4.1
- 4.2V - MCP73841-4.2, MCP73843-4.2
- 8.2V - MCP73842-8.2, MCP73844-8.2
- 8.4V - MCP73842-8.4, MCP73844-8.4
Programmable Charge Current
Programmable Safety Charge Timers
Preconditioning of Deeply Depleted Cells
Automatic End-of-Charge Control
Optional Continuous Cell Temperature
Monitoring (MCP73841 and MCP73842)
Charge Status Output for Direct LED Drive
Automatic Power-Down when Input Power
Removed
Temperature Range: -40°C to 85°C
Packaging: MSOP-10 - MCP73841, MCP73842
MSOP-8 - MCP73843, MCP73844
Applications
Lithium-Ion/Lithium-Polymer Battery Chargers
Personal Data Assistants
Cellular Telephones
Hand-Held Instruments
Cradle Chargers
Digital Cameras
MP3 Players
Typical Application Circuit
Description
The MCP7384X family of devices are highly advanced
linear charge management controllers for use in
space-limited, cost-sensitive applications. The
MCP73841 and MCP73842 combine high accuracy,
constant-voltage, constant-current regulation, cell pre-
conditioning, cell temperature monitoring, advanced
safety timers, automatic charge termination and
charge status indication in space-saving, 10-pin
MSOP packages. The MCP73841 and MCP73842
provide complete, fully-functional, stand-alone charge
management solutions.
The MCP73843 and MCP73844 employ all the
features of the MCP73841 and MCP73842, with the
exception of the cell temperature monitor. The
MCP73843 and MCP73844 are offered in 8-pin MSOP
packages.
The MCP73841 and MCP73843 are designed for
applications utilizing single-cell Lithium-Ion or Lithium-
Polymer battery packs. Two preset voltage regulation
options are available (4.1V and 4.2V) for use with either
coke or graphite anodes. The MCP73841 and
MCP73843 operate with an input voltage range of 4.5V
to 12V.
The MCP73842 and MCP73844 are designed for
applications utilizing dual series cell Lithium-Ion or
Lithium-Polymer battery packs. Two preset voltage
regulation options are available (8.2V and 8.4V). The
MCP73842 and MCP73844 operate with an input
voltage range of 8.7V to 12V.
The MCP7384X family of devices are fully specified
over the ambient temperature range of -40°C to +85°C.
Package Types
+
-
VSS
DRVSENSE
VDD VBAT
STAT1
3 6
7
1
2
MCP73843
8
10 µF
10 µF
100 k
100 m
5V Single
Lithium-Ion
Cell
NDS8434MA2Q705
1A Lithium-Ion Battery Charger
EN 5
TIMER
4
0.1 µF
10-Pin MSOP
SENSE
VDD
STAT1
EN
DRV
VBAT
VSS
TIMER
1
2
3
4
8
7
6
5
MCP73843
MCP73844
8-Pin MSOP
VDD
STAT1
EN
THREF
VBAT
VSS
TIMER
THERM
2
3
4
5
9
8
7
6
MCP73841
MCP73842
SENSE DRV
1 10
Advanced Single or Dual Cell Lithium-Ion/
Lithium-Polymer Charge Management Controllers


Produkt Specifikationer

Mærke: Microchip
Kategori: Ikke kategoriseret
Model: MCP73842

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