- 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：具有使能功能的 -36V 至 -80V 热插拔控制器
- 点击这里打开及下载TPS2399的技术文档资料
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The TPS2398 and TPS2399 integrated circuits are hot swap power managers optimized for use in nominal –48-V systems. For redundant-supply systems, they incorporate an improved circuit breaker response that provides rapid protection from short circuits, while still enabling plug-ins to tolerate large transients that can be generated by the sudden switchover to a higher voltage supply. 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 TPS2398 latches off in response to current faults, while the TPS2399 periodically retries the load in the event of a fault.
- Wide Input Supply Range: –36 V to –80 V
- Transient Rating to –100 V
- Improved Transient Response
- Enable Input (EN)
- Programmable Current Limit
- Programmable Current Slew Rate
- Fault Timer to Eliminate Nuisance Trips
- Open-Drain Power Good Output (PG)\
- 8-Pin MSOP Package
- APPLICATIONS
- –48-V Distributed Power Systems
- Redundant Negative Voltage Supplies
- Central Office Switching
- 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
- Auto-retry
TPS2399的完整型号有：TPS2399DGK、TPS2399DGKR，以下是这些产品的关键参数及官网采购报价：
TPS2399DGK，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TPS2399DGK的批量USD价格：1.7（1000+）
TPS2399DGKR，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TPS2399DGKR的批量USD价格：1.417（1000+）
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