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TPS2046BDG4 PDF预览

TPS2046BDG4

更新时间： 2024-11-08 11:58:27
品牌 Logo 应用领域
德州仪器 - TI 开关
页数 文件大小 规格书
29页 881K
描述
CURRENT-LIMITED, POWER-DISTRIBUTION SWITCHES

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TPS2046BDG4 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOP, SOP8,.25
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.67其他特性：UNDERVOLTAGE LOCKOUT
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-G8JESD-609代码：e4
长度：4.9 mm湿度敏感等级：1
信道数量：2功能数量：1
端子数量：8最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP8,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260电源：3/5 V
认证状态：Not Qualified座面最大高度：1.75 mm
子类别：Power Management Circuits最大供电电流 (Isup)：0.09 mA
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：2.7 V
标称供电电压 (Vsup)：3.3 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
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：3.9 mmBase Number Matches：1

TPS2046BDG4 数据手册

 浏览型号TPS2046BDG4的Datasheet PDF文件第2页浏览型号TPS2046BDG4的Datasheet PDF文件第3页浏览型号TPS2046BDG4的Datasheet PDF文件第4页浏览型号TPS2046BDG4的Datasheet PDF文件第5页浏览型号TPS2046BDG4的Datasheet PDF文件第6页浏览型号TPS2046BDG4的Datasheet PDF文件第7页 
TPS2045B, TPS2055B  
DBV-5  
D-8  
D-16  
TPS2046B, TPS2047B  
www.ti.com  
SLVS532C–JULY 2004–REVISED OCTOBER 2007  
CURRENT-LIMITED, POWER-DISTRIBUTION SWITCHES  
1
FEATURES  
APPLICATIONS  
•
Heavy Capacitive Loads  
•
70-mΩ High-Side MOSFET  
•
Short-Circuit Protections  
•
•
•
•
•
•
•
•
•
250-mA Continuous Current  
Thermal and Short-Circuit Protection  
Accurate Current Limit (0.3 A min, 0.7 A max)  
Operating Range: 2.7 V to 5.5 V  
0.6-ms Typical Rise Time  
TPS2047B  
D PACKAGE  
(TOP VIEW)  
TPS2045B/TPS2055B  
DBV PACKAGE  
(TOP VIEW)  
TPS2046B  
D PACKAGE  
(TOP VIEW)  
OUT  
IN  
GND  
IN  
GND  
IN1  
OC1  
OC1  
OUT1  
OUT2  
OUT1  
OUT2  
OC2  
GND  
OC  
EN1  
EN2  
EN1  
EN2  
GND  
EN †  
OC2  
Undervoltage Lockout  
OC3  
Deglitched Fault Report (OC)  
No OC Glitch During Power Up  
TPS2045B/TPS2055B  
D PACKAGE  
(TOP VIEW)  
IN2  
OUT3  
NC  
NC  
EN3  
NC  
GND  
IN  
OUT  
OUT  
OUT  
Maximum Standby Supply Current:  
1-μA (Single and Dual) or 2-μA (Triple)  
NC - No Connection  
IN  
EN †  
OC  
•
•
•
•
Bidirectional Switch  
†All enable inputs are active high (EN) for the TPS2055B.  
Ambient Temperature Range: –40°C to 85°C  
ESD Protection  
UL Pending  
DESCRIPTION  
The TPS204xB/TPS2055B power-distribution switches are intended for applications where heavy capacitive  
loads and short circuits are likely to be encountered. These devices incorporate 70-mΩ N-channel MOSFET  
power switches for power-distribution systems that require multiple power switches in a single package. Each  
switch is controlled by a logic-enable input. Gate drive is provided by an internal charge pump designed to  
control the power-switch rise times and fall times to minimize current surges during switching. The charge pump  
requires no external components and allows operation from supplies as low as 2.7 V.  
When the output load exceeds the current-limit threshold or a short is present, the device limits the output current  
to a safe level by switching into a constant-current mode, pulling the overcurrent (OCx) logic output low. When  
continuous heavy overloads and short-circuits increase the power dissipation in the switch, causing the junction  
temperature to rise, a thermal protection circuit shuts off the switch to prevent damage. Recovery from a thermal  
shutdown is automatic once the device has cooled sufficiently. Internal circuitry ensures that the switch remains  
off until valid input voltage is present. This power-distribution switch is designed to set current limit at 0.5 A  
typically.  
1
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.  
UNLESS OTHERWISE NOTED this document contains  
Copyright © 2004–2007, Texas Instruments Incorporated  
PRODUCTION DATA information current as of publication date.  
Products conform to specifications per the terms of Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
1234567...29

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TPS2046BDG4 替代型号

型号 品牌 替代类型 描述 数据表
TPS2046BDR TI

完全替代

 CURRENT-LIMITED, POWER-DISTRIBUTION SWITCHES
TPS2046BD TI

类似代替

 CURRENT-LIMITED, POWER-DISTRIBUTION SWITCHES

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