Datasheet > UB6054L-AF5-R

UB6054L-AF5-R

更新时间： 2024-09-24 01:01:31

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
13页	247K
描述
ONE-CELL STANDALONE LINEAR LITHIUM BATTERY CHARGER

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UB6054L-AF5-R 数据手册

UNISONIC TECHNOLOGIES CO., LTD

UB6054

Preliminary

CMOS IC

ONE-CELL STANDALONE

LINEAR LITHIUM BATTERY

CHARGER

DESCRIPTION

UTC UB6054 is a complete, constant current and constant voltage

linear charger for single cell lithium-ion batteries. Its small size and

ability to regulate low charge currents make UTC UB6054 especially

well-suited for portable applications using low capacity rechargeable

lithium-ion coin cells. Furthermore, UTC UB6054 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. The charge

voltage is fixed at 4.2V, and the charge current can be programmed

externally with

a single resistor. UTC UB6054 automatically

terminates a charge cycle when the charge current drops to 1/10th

the programmed value after the final float voltage is reached.

FEATURES

* Programmable Charge Current Up to 500mA.

* No External MOSFET, Sense Resistor or Blocking Diode Required.

* Complete linear charger in ThinSOT Package for Single Cell / Coin

Cell Lithium-lon Batteries.

* Constant Current / Constant Voltage Operation with Thermal

Regulation to Maximize Charge Rate Without Risk of Overheating.

* Charges Single Cell Li-lon Batteries Directly form USB Port.

* Preset 4.2V Charge Voltage with High Accuracy about ±1.2%.

* Automatic Recharge.

* 2.9V Trickle Charge Threshold.

* 20µA Supply Current in Shutdown Mode.

* Available in a SOT-25 Pacakage.

* Charge Status Output Pin.

ORDERING INFORMATION

Ordering Number

Lead Free

Package

SOT-25

Packing

Halogen Free

UB6054G-AF5-R

UB6054L-AF5-R

Tape Reel

Note: xx: Output Voltage, refer to Marking Information.

UB6054G-xx-AF5-R

(1)Packing Type

(1) R: Tape Reel

(2)Package Type

(2) AF5: SOT-25

(3)Output Voltage Code

(4)Halogen Free

(3) xx: Refer to Marking Information

(4) G: Halogen Free, L: Lead Free

www.unisonic.com.tw

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