TPS2065D 单通道、限流 USB 配电开关 | 德州仪器

TPS2065D (正在供货)

单通道、限流 USB 配电开关

单通道、限流 USB 配电开关 - TPS2065D


The TPS2065D power-distribution switch family is intended for applications such as USB where heavy capacitive loads and short circuits are likely to be encountered. The device can continuously deliver up to 1 A output current.

The TPS2065D limits the output current to a safe level by operating in a constant-current mode when the output load exceeds the current limit threshold. This provides a predictable fault current under all conditions. The fast overload response time eases the burden on the main 5-V supply to provide regulated power when the output is shorted. The power-switch rise and fall times are controlled to minimize current surges during turnon and turnoff.


  • Single Power Switch Family
  • Rated currents of 1 A
  • ±20% Accurate, Fixed, Constant Current Limit
  • Fast Overcurrent Response: 2 µs
  • Deglitched Fault Reporting
  • Output Discharge
  • Reverse Current Blocking
  • Built-in Soft Start
  • Ambient Temperature Range: –40°C to 85°C
  • UL Listed and CB-File No. E169910


参数 与其它产品相比 固定限流开关

Vin (Min) (V)
Vin (Max) (V)
Number of Switches
USB Switch rDS(on) (mOhms)
Continuous Current (Max) (A)
Current Limit Topology
Operating Temperature Range (C)
TPS2065D TPS2001D TPS2051C TPS2065C
4.5     4.5     4.5     4.5    
5.5     5.5     5.5     5.5    
1     1     1     1    
96     72     96     86    
1     2     0.5     1    
Active High     Active High     Active High     Active High    
Constant-Current     Constant-Current     Constant-Current     Constant-Current    
Catalog     Catalog     Catalog     Catalog    
-40 to 125     -40 to 85     -40 to 85     -40 to 85    
5SOT-23     5SOT-23
5SOT-23     5SOT-23