Datasheet > UB2012AG-S08-R

UB2012AG-S08-R

更新时间： 2024-09-21 20:57:39

品牌	Logo	应用领域
友顺 - UTC		光电二极管
页数	文件大小	规格书
17页	315K
描述
Power Supply Support Circuit, PDSO8, HALOGEN FREE, SOP-8

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UB2012AG-S08-R 技术参数

是否Rohs认证：	符合	生命周期：	Active
零件包装代码：	SOIC	包装说明：	,
针数：	8	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.7	模拟集成电路 - 其他类型：	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：	R-PDSO-G8	端子数量：	8
封装主体材料：	PLASTIC/EPOXY	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	峰值回流温度（摄氏度）：	NOT SPECIFIED
认证状态：	Not Qualified	表面贴装：	YES
端子形式：	GULL WING	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	Base Number Matches：	1

UB2012AG-S08-R 数据手册

UNISONIC TECHNOLOGIES CO., LTD

UB2012

Preliminary

LINEAR INTEGRATED CIRCUIT

ADVANCED LINEAR CHARGE

MANAGEMENT IC FOR SINGLE

AND TWO-CELL LITHIUM-ION AND

LITHIUM-POLYMER

DESCRIPTION

UTC UB2012 is designed for portable electronics with lower cost. Its

advantages of high-accuracy voltage/current regulation, charging status

indication, temperature monitoring, and automatic charge-rate compensation.

In applications, the battery temperature is continuously under monitor

by using an external thermistor, if the temperature is over user-defined

threshold; UTC UB2012 inhibits charge for safety concern.

Generally, the UB2012 charges the battery in conditioning, constant voltage and constant current phases. If the

battery voltage is lower than the low-voltage threshold (V_MIN), a low current is used for conditioning the battery. The

conditioning charge rate is around 10% of the regulation current and the heat dissipation in the external pass

element during the initial stage of the charge is minimized by the conditioning current. After the conditioning phase,

the UB2012 applies a constant current that be set by an external sense-resistor to the battery. The sense-resistor

can be on the battery without additional components. The constant current phase continues until the battery reaches

the charge-regulation voltage, then the constant voltage phase is beginning.

UTC UB2012 offers 4.1V, 4.2V, 8.4V and 8.4V fixed-voltage for single and dual cells. Charge stops when the

current tapers to the charge termination threshold (I_TERM) and will recharge if the battery voltage falls below the V_RCH

The automatic charge-rate compensation feature reduces the charging time of batteries. For the internal

impedance of battery pack during charge, this advanced technique offers safe and dynamic compensation.

FEATURES

* Ideal for Single 4.1V,4.2 V and Dual-Cell 8.2,8.4 V Li-Ion or Li-Pol Packs

* 0.3V Dropout Voltage for Minimizing Heat Dissipation

* Better than ±1% Accuracy of Voltage Regulation With Preset Voltages

* Dynamic Compensation of Battery Pack’s Internal Impedance to short Charging Time

* Optional Cell-Temperature Monitoring

* Integrated Voltage and Current Regulation With Programmable Charge-Current

* Integrated Cell Conditioning for Reviving Deeply Discharged Cells and Minimizing Heat Dissipation During Initial

Charge Stage

* Charge Status Output for Single or Dual Led or Host Processor Interface

* Automatic Battery-Recharge Feature

* Charge Termination by Minimum Current

* Automatic Low-Power Sleep Mode When V_CCis Removed

* EVMs Available for Quick Evaluation

ORDERING INFORMATION

Ordering Number

Package

SOP-8

Packing

UB2012xG-S08-R

Tape Reel

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

www.unisonic.com.tw

1 of 17

QW-R121-018.b

12 3 4 5 6 7...17

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UB2012BL-D08-T	UTC	获取价格	ADVANCED LINEAR CHARGE MANAGEMENT IC
UB2012BL-S08-R	UTC	获取价格	ADVANCED LINEAR CHARGE MANAGEMENT IC
UB2012BL-S08-T	UTC	获取价格	Power Management Circuit

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