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MCP73828-4.1VUA

Description
Battery Management w/ Charge Comp Mon
CategoryPower/power management    The power supply circuit   
File Size402KB,25 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Environmental Compliance
Download Datasheet Download user manual Parametric Compare View All

MCP73828-4.1VUA Overview

Battery Management w/ Charge Comp Mon

MCP73828-4.1VUA Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMicrochip
Parts packaging codeMSOP
package instructionTSSOP, TSSOP8,.19
Contacts8
Reach Compliance Codecompliant
ECCN codeEAR99
Factory Lead Time30 weeks
Adjustable thresholdYES
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeS-PDSO-G8
JESD-609 codee3
length3 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-20 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP8,.19
Package shapeSQUARE
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
power supply5 V
Certification statusNot Qualified
Maximum seat height1.18 mm
Maximum supply current (Isup)0.56 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)4.5 V
Nominal supply voltage (Vsup)5.1 V
surface mountYES
Temperature levelOTHER
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature40
width3 mm
Base Number Matches1
M
Features
• Linear Charge Management Controller for Single
Lithium-Ion Cells
• High Accuracy Preset Voltage Regulation:
+1% (max)
• Two Preset Voltage Regulation Options:
- 4.1V - MCP73828-4.1
- 4.2V - MCP73828-4.2
• Programmable Charge Current
• Automatic Cell Preconditioning of Deeply
Depleted Cells, Minimizing Heat Dissipation
During Initial Charge Cycle
• Charge Complete Output CD10 for LED or
Microcontroller Interface
• Continuous Temperature Monitoring
• Automatic Power-Down when Input Power
Removed
• Temperature Range: -20°C to +85°C
• Packaging: 8-Pin MSOP
MCP73828
Description
The MCP73828 is a linear charge management con-
troller for use in space-limited, cost sensitive applica-
tions. The MCP73828 combines high accuracy
constant voltage, controlled current regulation, cell pre-
conditioning, cell temperature monitoring, and charge
complete indication in a space saving 8-pin MSOP
package. The MCP73828 provides a stand-alone
charge management solution.
The MCP73828 charges the battery in three phases:
preconditioning, controlled current, and constant volt-
age. If the battery voltage is below the internal low-volt-
age threshold, the battery is preconditioned with a
foldback current. The preconditioning phase protects
the lithium-ion cell and minimizes heat dissipation.
Following the preconditioning phase, the MCP73828
enters the controlled current phase. The MCP73828
allows for design flexibility with a programmable charge
current set by an external sense resistor. The charge
current is ramped up, based on the cell voltage, from
the foldback current to the peak charge current estab-
lished by the sense resistor. This phase is maintained
until the battery reaches the charge-regulation voltage.
Then, the MCP73828 enters the final phase, constant
voltage. The accuracy of the voltage regulation is better
than ±1% over the entire operating temperature range
and supply voltage range. The MCP73828-4.1 is preset
to a regulation voltage of 4.1V, while the MCP73828-
4.2 is preset to 4.2V. The charge complete output,
CD10, indicates when the charge current has dimin-
ished to approximately 10% of the peak charge current
established by the sense resistor.
The MCP73828 operates with an input voltage range
from 4.5V to 5.5V. The MCP73828 is fully specified
over the ambient temperature range of -20°C to +85°C.
Single Cell Lithium-Ion Charge Management Controller
with Charge Complete Indicator and Temperature Monitor
Applications
Single Cell Lithium-Ion Battery Chargers
Personal Data Assistants
Cellular Telephones
Hand Held Instruments
Cradle Chargers
Digital Cameras
Typical Application Circuit
500 mA Lithium-Ion Battery Charger
MA2Q705
10 µF
332
8
100 kΩ
1
4
100 mΩ NDS8434
7
6
V
SNS
V
DRV
V
IN
SHDN
V
BAT
GND
Thermistor
+
Single
-
Lithium-Ion
Cell
5
2
3
10 µF
V
IN
5V
Package Type
MSOP
SHDN 1
GND 2
THERM 3
CD10 4
MCP73828
8 V
IN
7 V
SNS
6 V
DRV
5 V
BAT
CD10 THERM
MCP73828
2002 Microchip Technology Inc.
DS21706A-page 1

MCP73828-4.1VUA Related Products

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Description Battery Management w/ Charge Comp Mon Battery Management w/ Charge Comp Mon Battery Management w/ Charge Comp Mon
Is it lead-free? Lead free Lead free Lead free
Is it Rohs certified? conform to conform to conform to
Maker Microchip Microchip Microchip
Parts packaging code MSOP MSOP MSOP
package instruction TSSOP, TSSOP8,.19 TSSOP, TSSOP8,.19 TSSOP, TSSOP8,.19
Contacts 8 8 8
Reach Compliance Code compliant compliant compliant
ECCN code EAR99 EAR99 EAR99
Factory Lead Time 30 weeks 30 weeks 14 weeks
Adjustable threshold YES YES YES
Analog Integrated Circuits - Other Types POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code S-PDSO-G8 S-PDSO-G8 S-PDSO-G8
JESD-609 code e3 e3 e3
length 3 mm 3 mm 3 mm
Humidity sensitivity level 1 1 1
Number of channels 1 1 1
Number of functions 1 1 1
Number of terminals 8 8 8
Maximum operating temperature 85 °C 85 °C 85 °C
Minimum operating temperature -20 °C -20 °C -20 °C
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code TSSOP TSSOP TSSOP
Encapsulate equivalent code TSSOP8,.19 TSSOP8,.19 TSSOP8,.19
Package shape SQUARE SQUARE SQUARE
Package form SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 260 260 260
power supply 5 V 5 V 5 V
Certification status Not Qualified Not Qualified Not Qualified
Maximum seat height 1.18 mm 1.18 mm 1.18 mm
Maximum supply current (Isup) 0.56 mA 0.56 mA 0.56 mA
Maximum supply voltage (Vsup) 5.5 V 5.5 V 5.5 V
Minimum supply voltage (Vsup) 4.5 V 4.5 V 4.5 V
Nominal supply voltage (Vsup) 5.1 V 5.1 V 5.2 V
surface mount YES YES YES
Temperature level OTHER OTHER OTHER
Terminal surface Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
Terminal form GULL WING GULL WING GULL WING
Terminal pitch 0.65 mm 0.65 mm 0.65 mm
Terminal location DUAL DUAL DUAL
Maximum time at peak reflow temperature 40 40 40
width 3 mm 3 mm 3 mm
Base Number Matches 1 1 1
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