- 制造厂商：TI
- 产品类别：电源管理
- 技术类目：电源开关 - 电源多路复用器
- 功能描述：使能端低电平有效、具有工业级工作温度范围的 2.7V 至 5.5V、250mΩ、0.5A、1.3Ω、0.1A 电源多路复用器
- 点击这里打开及下载TPS2104的技术文档资料
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The TPS2104 and TPS2105 are dual-input, single-output power switches designed to provide uninterrupted output voltage when transitioning between two independent power supplies. Both devices combine one n-channel (250 m
) MOSFET with a single output. The p-channel MOSFET (IN2) is used with auxiliary power supplies that deliver lower current for standby modes. The n-channel MOSFET (IN1) is used with a main power supply that delivers higher current required for normal operation. Low on-resistance makes the n-channel the ideal path for higher main supply current when power-supply regulation and system voltage drops are critical. When using the p-channel MOSFET, quiescent current is reduced to 0.75 uA to decrease the demand on the standby power supply. The MOSFETs in the TPS2104 and TPS2105 do not have the parasitic diodes, typically found in discrete MOSFETs, thereby preventing back-flow current when the switch is off.
- Dual-Input, Single-Output MOSFET Switch With No Reverse Current Flow (No Parasitic Diodes)
- IN1 . . . 250-m, 500-mA N-Channel; 18-uA Supply Current
- IN2 . . . 1.3-, 100-mA P-Channel; 0.75-uA Supply Current (VAUX Mode)
- Advanced Switch Control Logic
- CMOS and TTL Compatible Enable Input
- Controlled Rise, Fall, and Transition Times
- 2.7 V to 5.5 V Operating Range
- SOT-23-5 and SOIC-8 Package
- \x9640°C to 85°C Ambient Temperature Range 2-kV Human Body Model, 750-V Charged Device Model, 200-V Machine-Model ESD Protection
- Typical Applications
- Notebook and Desktop PCs
- Cell phone, Palmtops, and PDAs
- Battery Management
- Number of input channels
- 2
- IN1, IN2 input voltage (Min) (V)
- 2.7
- IN1, IN2 input voltage (Max) (V)
- 5.5
- IN1 rDS(on) (Typ) (mOhm)
- 250
- IN2 rDS(on) (Typ) (mOhms)
- 1300
- IN1 output current (Max) (A)
- 0.5
- IN2 output current (Max) (A)
- 0.1
- Rating
- Catalog
- Operating temperature range (C)
- -40 to 85
TPS2104的完整型号有：TPS2104DBVR、TPS2104DBVT，以下是这些产品的关键参数及官网采购报价：
TPS2104DBVR，工作温度：-40 to 85，封装：SOT-23 (DBV)-5，包装数量MPQ：3000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网TPS2104DBVR的批量USD价格：.678（1000+）
TPS2104DBVT，工作温度：-40 to 85，封装：SOT-23 (DBV)-5，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网TPS2104DBVT的批量USD价格：.814（1000+）
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