- 制造厂商：TI
- 产品类别：电源管理
- 技术类目：电源开关 - 电子保险丝和热插拔控制器
- 功能描述：具有闭锁功能的 -36V 至 -80V 热插拔控制器
- 点击这里打开及下载TPS2390的技术文档资料
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The TPS2390 and TPS2391 integrated circuits are hot swap power managers optimized for use in nominal –48-V systems. They are designed for supply voltage ranges up to –80 V, and are rated to withstand spikes to –100 V. In conjunction with an external N-channel FET and sense resistor, they can be used to enable live insertion of plug-in cards and modules in powered systems. Both devices provide load current slew rate and peak magnitude limiting, easily programmed by sense resistor value and a single-external capacitor. They also provide single-line fault reporting, electrical isolation of faulty cards, and protection against nuisance overcurrent trips. The TPS2390 latches off in response to current faults, while the TPS2391 periodically retries the load in the event of a fault.
- Wide Input Supply Range: –36 V to –80 V
- Transient Rating to –100 V
- Programmable Current Limit
- Programmable Current Slew Rate
- Enable Input (EN)
- Fault Timer to Eliminate Nuisance Trips
- Open-Drain Fault Output (FAULT)\
- Requires Few External Components
- 8-Pin MSOP Package
- APPLICATIONS
- –48-V Distributed Power Systems
- Central Office Switching
- Wireless Base Station
- FET
- External
- Vin (Min) (V)
- -80
- Vin (Max) (V)
- -36
- Vabsmax_cont (V)
- -100
- Current limit (Min) (A)
- 0.01
- Current limit (Max) (A)
- 500
- Overcurrent response
- Circuit breaker, Current limiting
- Fault response
- Latch-off
TPS2390的完整型号有：TPS2390DGK、TPS2390DGKR，以下是这些产品的关键参数及官网采购报价：
TPS2390DGK，工作温度：-40 to 85，封装：VSSOP (DGK)-8，包装数量MPQ：80个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAUAG，TI官网TPS2390DGK的批量USD价格：1.7（1000+）
TPS2390DGKR，工作温度：-40 to 85，封装：VSSOP (DGK)-8，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAUAG，TI官网TPS2390DGKR的批量USD价格：1.417（1000+）
TPS2390 Unencrypted PSpice Transient Model Package (Rev. A)
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