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UCC3956DWTRG4 PDF预览

UCC3956DWTRG4

更新时间： 2024-11-08 14:38:39
品牌 Logo 应用领域
德州仪器 - TI 信息通信管理开关光电二极管
页数 文件大小 规格书
19页 539K
描述
0.6A BATTERY CHARGE CONTROLLER, 110kHz SWITCHING FREQ-MAX, PDSO20, PLASTIC, SOIC-20

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中文翻译

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UCC3956DWTRG4 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：PLASTIC, SOIC-20针数：20
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.82
Is Samacsys：N模拟集成电路 - 其他类型：BATTERY CHARGE CONTROLLER
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：18 V最小输入电压：8 V
标称输入电压：12 VJESD-30 代码：R-PDSO-G20
长度：12.8 mm功能数量：1
端子数量：20最高工作温度：70 °C
最低工作温度：最大输出电流：0.6 A
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP20,.4封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：NOT SPECIFIED
电源：12 V认证状态：Not Qualified
座面最大高度：2.65 mm子类别：Power Management Circuits
最大供电电流 (Isup)：8 mA标称供电电压 (Vsup)：12 V
表面贴装：YES切换器配置：SINGLE
最大切换频率：110 kHz技术：BICMOS
温度等级：COMMERCIAL端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：7.5 mm
Base Number Matches：1

UCC3956DWTRG4 数据手册

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SLUS249B − FEBRUARY 1997 − REVISED DECEMBER 2001  
N, DW PACKAGES  
(TOP VIEW)  
D
D
D
D
Precision 4.1 V Reference (1%)  
High-Efficiency Battery Charger Solution  
High-Side or Low-Side Switch-Mode  
Current-Sensing  
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CHGENB  
IMIN  
VA+  
VA−  
Average-Current-Mode Control from Trickle  
to Overcharge  
CS−  
VAO  
IBAT  
CA−  
CS+  
D
Resistor-Programmable Charge Currents  
CHG  
STAT1  
STAT0  
REF  
CAO  
CTO  
RSET  
COSC  
GND  
D
Internal State Logic Provides Four Charge  
States  
D
D
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Programmable Overcharge Time  
CHG Pin Initiates Charging  
VDD  
OUT  
Output-Status Bits Report Charge State  
description  
The UCC3956 family of switch-mode lithium-ion battery-charger controllers accurately control lithium-ion battery  
charging with a highly-efficient average-current-control loop. This chip is designed to work as a stand-alone charger  
controller for a single-cell or multiple-cell battery pack. This chip combines charge-state logic and average-current  
PWM control circuitry with a 14-bit counter to program the overcharge time. The charge-state logic indicates current-  
or voltage-control depending on the charge state. The chip includes undervoltage lockout (UVLO) circuitry to ensure  
sufficient supply voltage is present before output switching starts. Additional circuit blocks include a  
differential-current-sense amplifier, a 1% voltage reference, voltage- and current-error amplifiers, PWM latch,  
charge-state decode bits, and a 500-mA output driver.  
†‡  
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)  
Input voltage (VDD, OUT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 V  
Output current sink  
Continuous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 mA  
Peak . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600 mA  
Output current source  
Continuous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 mA  
Peak . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600 mA  
CS+, CS−  
Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 to VDD  
Current with CS+, CS− less than −0.5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA  
Remaining pin voltages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to 6 V  
Storage temperature range, T  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C  
stg  
Operating virtual junction temperature range, T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55°C to 150°C  
J
Lead temperature (soldering, 10 seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300°C  
ESD Rating (human body model, HBM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500V  
†
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and  
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not  
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.  
‡
Unless otherwise indicated, voltages are reference to ground and currents are positive into and negative out of the specified terminals. Consult  
Packaging Information section of the Portable Products Databook (TI Literature No. SLUD001) for thermal limitations and considerations of  
packages. All voltages are referenced to GND.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
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Copyright 2000, Texas Instruments Incorporated  
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中文翻译

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