Datasheet > UB2016

UB2016

更新时间： 2024-11-11 01:02:23

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
13页	267K
描述
ONE-CELL STANDALONE LINEAR LITHIUM BATTERY CHARGER

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UB2016 数据手册

UNISONIC TECHNOLOGIES CO., LTD

UB2016

Preliminary

CMOS IC

ONE-CELL STANDALONE

LINEAR LITHIUM BATTERY

CHARGER

DESCRIPTION

UTC UB2016 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 UB2016 especially

well-suited for portable applications using low capacity rechargeable

lithium-ion coin cells. Furthermore, UTC UB2016 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 UB2016 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.

* Charge Status Output Pin.

ORDERING INFORMATION

Ordering Number

Lead Free

Package

SOT-25

Packing

Halogen Free

UB2016G-xx-AF5-R

UB2016L-xx-AF5-R

Tape Reel

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

UB2016G-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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