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EUP8054 데이터시트 PDF




Eutech Microelectronics에서 제조한 전자 부품 EUP8054은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 EUP8054 자료 제공

부품번호 EUP8054 기능
기능 Standalone Linear Li-Ion Battery Charger
제조업체 Eutech Microelectronics
로고 Eutech Microelectronics 로고


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EUP8054 데이터시트, 핀배열, 회로
EUP8054/8054X
Standalone Linear Li-Ion Battery Charger
With Thermal Regulation in ThinSOT
DESCRIPTION
The EUP8054 is a complete constant-current/constant-
voltage linear charger for single cell lithium-ion batteries.
Its ThinSOT package and low external component count
make the EUP8054 ideally suited for portable applications.
Furthermore, the EUP8054 is specifically designed to
work within USB power specifications.
No external sense resistor is needed, and no blocking
diode is required due to the internal MOSFET architecture.
Thermal feedback regulates the charge current to limit the
www.DdaiteaStheemetp4Uer.caotumre during high power operation or high
ambient temperature. The charge voltage is fixed at 4.2V,
and the charge current can be programmed externally with
a single resistor. The EUP8054 automatically terminates
the charge cycle when the charge current drops to 1/10th
the programmed value after the final float voltage is
reached.
When the input supply (wall adapter or USB supply) is
removed, the EUP8054 automatically enters a low current
state, dropping the battery drain current to less than 2µA.
The EUP8054 can be put into shutdown mode, reducing
the supply current to 25µA.
Other features include charge current monitor,
undervoltage lockout, automatic recharge and a status pin
to indicate charge termination and the presence of an input
voltage.
FEATURES
z Programmable Charge Current Up to 800mA
z No MOSFET, Sense Resistor or Blocking Diode
Required
z Complete Linear Charger in ThinSOT Package for
Single Cell Lithium-ion Batteries
z Constant-Current/Constant-Voltage Operation with
Thermal Regulation to Maximize Charge Rate
Without Risk of Overheating
z Charges Single Cell Li-Ion Batteries Directly from
USB Port
z Preset 4.2V Charge Voltage with ± 1% Accuracy
z Charge Current Monitor Output for Gas Gauging
z Automatic Recharge
z Charge Status Output Pin
z C/10 Charge Termination
z 25µA Supply Current in Shutdown
z 2.9V Trickle Charge Threshold (EUP8054)
z Available Without Trickle Charge (EUP8054X)
z Soft-Start Limits Inrush Current
z Available in TSOT-25, TDFN-6(3mm*3mm)
Package
z RoHS Compliant and 100% Lead (Pb)-Free
APPLICATIONS
z Cellular Telephones/ PDAs/ MP3 Players
z Charging Docks and CradIes
z Bluetooth Applications
DS8054 Ver1.1 Jan. 2007
1




EUP8054 pdf, 반도체, 판매, 대치품
EUP8054/8054X
Pin Functions (continue)
PROG: Charge Current Program, Charge Current Monitor and Shutdown Pin. The charge current is programmed
by connecting a 1% resistor, RPROG, to ground. When charging in constant-current mode, this pin servos to 1V. In
all modes, the voltage on this pin can be used to measure the charge current using the following formula:
( )IBAT = VPROG / R PROG 1000
The PROG pin can also be used to shutdown the charger. Disconnecting the program resistor from ground
allows a 3µA current to pull the PROG pin high. When it reaches the 1.94V shutdown threshold voltage, the
charger enters shutdown mode, charging stops and the input supply current drops to 25µA. This pin is also
clamped to approximately 2.4V. Driving this pin to voltages beyond the clamp voltage will draw currents as high
as1.5mA. Reconnecting RPROG to ground will return the charger to normal operation.
N/C: No connection.
Ordering Information
www.DataSheet4U.com
Order Number
Package Type
Marking
Operating Temperature range
EUP8054OIR1
TSOT-25
UNxx
-20 °C to 70°C
EUP8054XOIR1
EUP8054RIR1
TSOT-25
TDFN-6
UXxx
xxxx
8054N
-20 °C to 70°C
-20 °C to 70°C
EUP8054/X
Lead Free Code
1: Lead Free 0: Lead
Packing
R: Tape& Reel
Operating temperature range
I: Industry Standard
Package Type
O: TSOT R:TDFN
DS8054 Ver1.1 Jan. 2007
4

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EUP8054 전자부품, 판매, 대치품
Typical Operating Characteristics
EUP8054/8054X
www.DataSheet4U.com
DS8054 Ver1.1 Jan. 2007
7

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