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Número de pieza | EMC5060-50HG20NRR | |
Descripción | Single-cell Li-Ion Charger IC | |
Fabricantes | Elite Semiconductor | |
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Hay una vista previa y un enlace de descarga de EMC5060-50HG20NRR (archivo pdf) en la parte inferior de esta página. Total 22 Páginas | ||
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EMC5060
Single-cell Li-Ion Charger IC with System
Power Management
General Description
The EMC5060 is a single-cell Li-ion charger IC with
system power management feature. It charges the
battery and power the system simultaneously. The
maximum charging current (up to 1.5A) is set by
external resistor for fast charging. The output voltage
for the system is regulated to a nominal value (three
different versions available: 4.4V, 5V or 6V); the
actual value of the output voltage depends on the
input voltage from the adapter, the charging
current and the system loading. With the decrease
of the input voltage or the increase of the system
loading current, the output voltage drops. When the
output voltage drops to a predetermined value
(VAPM-REG), the Active Power Management
function is activated and tries to maintain the output
voltage at VAPM-REG; the EMC5060 will suffice the
system loading with first priority and reduce the
charging current temporarily, i.e. under heavy load
condition, the EMC5060 charges the battery with
the remaining available current to keep the output
voltage at VAPM. In this manner, the charge and
discharge cycle of the battery can be reduced.
It is possible that the EMC5060 fails to maintain the
output voltage at VAPM-REG; for example, when the
system loading current exceeds the capability of the
current-limiting AC adapter. In this scenario, the
output voltage drops to the battery voltage, and
the system is allowed to draw current from the
battery.
Features
TQFN-20L Package
Active Power Management(APM) for
Simultaneously Powering the System and
Charging the Battery
Total Current Supported Up to 2 Amperes
( System Loading Having Higher Priority on the
Budget )
Automatic Power Source Selection (AC Adapter
or Battery)
40mΩ Power Path for the Battery to Supply the
System Power Efficiently
Junction Temperature Detection and Thermal
Regulation During Charging Process
External LED Indicating Charger and Power Good
Status as well as Fault Condition
Thermal, Short-Circuit, and Reverse Current
Protection
Short-Circuit Protection in the Low Power
Consumption Sleep Mode
SYSOFF Function to Cut Off the Path between the
System and the Battery
6V (VOUT = 4.4V) Maximum Input Operating
Applications
Battery-Powered Devices or Equipment
Mobile Phones, Digital Cameras and MP3 Players
Radios, other Hand-Held Games and Instruments
Solar Power System
Elite Semiconductor Memory Technology Inc./Elite MicroPower Inc. Publication Date: Dec. 2011
Revision: 0.3
1/22
1 page ESMT/EMP
Functional Block Diagram
EMC5060
Fig. 2
Elite Semiconductor Memory Technology Inc./Elite MicroPower Inc. Publication Date: Dec. 2011
Revision: 0.3
5/22
5 Page ESMT/EMP
Typical Performance Characteristics
EMC5060
Elite Semiconductor Memory Technology Inc./Elite MicroPower Inc. Publication Date: Dec. 2011
Revision: 0.3
11/22
11 Page |
Páginas | Total 22 Páginas | |
PDF Descargar | [ Datasheet EMC5060-50HG20NRR.PDF ] |
Número de pieza | Descripción | Fabricantes |
EMC5060-50HG20NRR | Single-cell Li-Ion Charger IC | Elite Semiconductor |
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