MCP73114 Microchip Technology, MCP73114 Datasheet
MCP73114
Manufacturer Part Number
MCP73114
Description
Single-Cell Li-Ion / Li-Polymer Battery Charge Management Controller with Input Overvoltage Protection
Manufacturer
Microchip Technology
Datasheet
1.MCP73114.pdf
(34 pages)
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Single-Cell Li-Ion / Li-Polymer Battery Charge Management
Features
• Complete Linear Charge Management Controller:
• Constant Current / Constant Voltage Operation
• 4.15V Undervoltage Lockout (UVLO)
• 18V Absolute Maximum Input with OVP:
• High Accuracy Preset Voltage Regulation Through
• Battery Charge Voltage Options:
• Resistor Programmable Fast Charge Current:
• Preconditioning of Deeply Depleted Cells
• Integrated Precondition Timer:
• Automatic End-of-Charge Control:
• Automatic Recharge:
• Charge Status Output - Two Style Options
• Soft start
• Temperature Range: -40°C to +85°C
• Packaging: DFN-10 (3 mm x 3 mm)
Applications
• Low-Cost Li-Ion/Li-Poly Battery Chargers
• MP3 Players
• Digital Still Camera
• Portable Media Players
• Handheld Devices
• Bluetooth Headsets
• USB Chargers
© 2009 Microchip Technology Inc.
- Integrated Input Overvoltage Protection
- Integrated Pass Transistor
- Integrated Current Sense
- Integrated Reverse Discharge Protection
with Thermal Regulation
- 6.5V (MCP73113)
- 5.8V (MCP73114)
Full Temperature Range (-5°C to +55°C): + 0.5%
- 4.10V, 4.20V, 4.35V or 4.4V
- 130 mA - 1100 mA
- Available Options: 10% or Disable
- 32 Minutes or Disable
- Selectable Minimum Current Ratio:
- Elapse Safety Timer: 4 HR, 6 HR, 8 HR or
- Available Options: 95% or Disable
5%, 7.5%, 10% or 20%
Disable
Controller with Input Overvoltage Protection
Description
The MCP73113/4 are highly integrated Li-Ion battery
charge management controllers for use in space-
limited
MCP73113/4
algorithms for Li-Ion/Li-Polymer batteries to achieve
optimal capacity and safety in the shortest charging
time possible. Along with their small physical size, the
low number of external components make the
MCP73113/4 ideally suitable for portable applications.
The absolute maximum voltage, up to 18V, allows the
use of MCP73113/4 in harsh environments, such as
low cost wall wart or voltage spikes from plug/unplug.
The
current/constant voltage charge algorithm. The various
charging voltage regulations provide design engineers
flexibility to use in different applications. The fast
charge, constant current value is set with one external
resistor from 130 mA to 1100 mA. The MCP73113/4
devices limit the charge current based on die
temperature during high power or high ambient
conditions. This thermal regulation optimizes the
charge cycle time while maintaining device reliability.
The PROG pin of the MCP73113/4 also serves as
enable pin. When high impedance is applied, the
MCP73113/4 will be in standby mode.
The MCP73113/4 devices are fully specified over the
ambient temperature range of -40°C to +85°C. They
are available in a 10 lead, DFN package.
Package Types (Top View)
MCP73113/4
* Includes Exposed Thermal Pad (EP); see
MCP73113/4
and
V
V
V
V
devices
BAT
BAT
NC 5
DD
DD
cost-sensitive
1
2
3
4
MCP73113/4
devices
3x3 DFN *
EP
11
provide
10
9
8
7 STAT
6 NC
employ
www.DataSheet4U.com
PROG
V
V
applications.
SS
SS
specific
DS22183B-page 1
Table
a
constant
3-1.
charge
The
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