TPS1685
- Input operating voltage range: 9V to 80V
- 92V absolute maximum
- Withstands negative voltages up to –5V at output
- Integrated FET with low on-resistance: RON = 3.65mΩ (typ)
- Active high enable input with adjustable undervoltage lockout (UVLO)
- Adjustable overvoltage protection
- Supports parallel connection of multiple eFuses with device state synchronization and load sharing during start-up and steady state
- Adjustable output slew rate control (dVdt) for inrush current protection
- Precise load current monitoring
- <3% error for over 50-100% of max current
- 1MHz bandwidth
- Robust overcurrent protection
- Circuit-breaker response
- Adjustable threshold: 2A to 20A
- Overcurrent protection accuracy: ±3%
- Adjustable transient overcurrent timer (ITIMER) to support peak currents
- Fast-trip response to short-circuit events
- Overtemperature protection (OTP) with analog die temperature monitor output (TEMP)
- FET health monitoring and reporting
- Fault indication pin (FLT )
- Power Good indication pin (PGOOD)
- Small footprint: QFN 6mm × 5mm
- IPC9592B clearance for 60V
The TPS1685x is an integrated high current circuit protection and power management device. The device provides multiple protection modes using very few external components and is a robust defense against overloads, short-circuits and excessive inrush current. Applications with particular inrush current requirements can set the output slew rate with a single external capacitor. Output current limit level can be set by user as per system needs. A user adjustable overcurrent blanking timer allows systems to support transient peaks in the load current without tripping the eFuse. An integrated fast and accurate sense analog load current monitor facilitates predictive maintenance and advanced dynamic platform power management such as Intel PSYS and PROCHOT to optimize server and data-center performance.
Multiple TPS1685x devices can be connected in parallel to increase the total current capacity for high power systems. All devices actively synchronize their operating state and share current during start-up as well as steady state to avoid over-stressing some of the devices which can result in premature or partial shutdown of the parallel chain.
An integrated fast and accurate sense analog load current monitor facilitates predictive maintenance and advanced dynamic platform power management techniques such as Intel PSYS and PROCHOT# to maximize system throughput and power supply utilization.
The devices are characterized for operation over a junction temperature range of –40°C to +125°C.
技术文档
类型 | 标题 | 下载最新的英语版本 | 日期 | |||
---|---|---|---|---|---|---|
* | 数据表 | TPS1685x 9V–80V, 3.65mΩ, 20A Stackable Integrated Hotswap (eFuse) With Accurate and Fast Current Monitor 数据表 | PDF | HTML | 2024年 9月 24日 | ||
EVM 用户指南 | TPS1685 电子保险丝评估模块 | PDF | HTML | 英语版 | PDF | HTML | 2024年 9月 9日 |
设计和开发
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TPS1685EVM — TPS1685 评估模块
TVS-RECOMMENDATION-CALC — TVS diode recommendation tool
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