ETA9635 Ver la hoja de datos (PDF) - Unspecified
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ETA9635 Datasheet PDF : 6 Pages
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ETA9635
Power Management Unit for Power Banks
DESCRIPTION
normally consumes up to 1mA current.
ETA9635 is available in SOP8 package.
The ETA9635 is a fully integrated power management unit
specifically designed for Power Bank, Mobile Charger,
FEATURES
Backup Battery Charger applications. It consists of a high
2in 1: A Synchronous boost plus A Charger
efficiency synchronous step-up boost converter and a
Short-circuit Protection
linear battery charger. The boost can provide up to 1A
5W Output Power from the Boost
output current at 5V of from a Li-Ion battery input voltage,
Boost Output to Input Reversed Current
while the charger can charge up to 1A of current from an
Protection
AC adapter input. The boost incorporates circuits that
Up to 1A Charging
disconnect the input from output, during shutdown,
Up to 96% Efficiency during Boosting
short-circuit, output current overloading, or other events
when output is higher than the input. This not only
50μA No load IQ
Programmable Charging Current
eliminates the need for an external MOSFET and its control
circuitry to disconnect the input from output, also provides
robust output overload protection. Using a patent pending
APPLICATIONS
Power Banks
technique to drive the charger LED indicator, it eliminates
Mobile back-up Battery Chargers
the need for a micro-controller normally needed in mobile
chargers. While saving the cost of a micro-controller, since
the whole units only consumes less than 50uA of quiescent
current during no load, when considering standby time for
one charge, it is a much superior solution comparing to the
traditional solution that needs a micro-controller which
ORDERING INFORMATION
PART #
PACKAGE PIN
ETA9635S8A SOP-8
TOP MARK
ETA9635-Product Number
YWWPL- Date Code
TYPICAL APPLICATION
Micro USB
1
2
3
4
5
VBATT 3.6V
2.2μH
6
BATT
4.7μF
7
EN_BST
5 AC_IN
8
SW
100pF
1
USB_OUT
VUSB_OUT 5V
6.3V
22μF x2
3 LED
4
ISET
1K
GND
2
Micro USB
1
2
3
4
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