The LM5067 negative hot swap controller provides intelligent control of the power supply connections during insertion and removal of circuit cards from a live system backplane or other “hot” power sources. The LM5067 provides in-rush current control to limit system voltage droop and transients. The current limit and power dissipation in the external series pass N-Channel MOSFET are programmable, ensuring operation within the Safe Operating Area (SOA). In addition, the LM5067 provides circuit protection by monitoring for over-current and over-voltage conditions. The POWER GOOD output indicates when the output voltage is close to the input voltage. The input under-voltage and over-voltage lockout levels and hysteresis are programmable, as well as the fault detection time. The LM5067-1 latches off after a fault detection, while the LM5067-2 automatically attempts restarts at a fixed duty cycle. The LM5067 is available in a 10-pin VSSOP package and a 14-pin SOIC package.
| Typ | Titel | Datum | ||
|---|---|---|---|---|
| * | Data sheet | LM5067 Negative Hot Swap / Inrush Current Controller with Power Limiting datasheet (Rev. D) | PDF | HTML | 27 Aug 2020 |
| Application note | Extend LM5067 Applications With an External Auxiliary Source | PDF | HTML | 31 Jan 2024 | |
| Application note | Basics of Power Switches (Rev. A) | PDF | HTML | 26 Apr 2019 | |
| Selection guide | Power Management Guide 2018 (Rev. R) | 25 Jun 2018 | ||
| Selection guide | Hot Swap Selection Tool | 28 Jul 2015 | ||
| Application note | Robust Hot Swap Design (Rev. A) | 08 Apr 2015 | ||
| EVM User's guide | AN-1723 LM5067 Evaluation Board (Rev. A) | 06 Mai 2013 |
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The LM5067EVAL evaluation board provides the design engineer with a fully functional hot swap controller board designed for negative voltage systems. This board contains an LM5067-2, the auto restart version of this IC. This application note describes the various functions of the board, how to test (...)
The LM5067 calculator tool can help simplify the process of creating a hot swap design. Enter system requirements such as input voltage range, current, and output capacitance and the calculator will guide the user towards component selection. The tool may also be used to evaluate an existing (...)
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| Gehäuse | Pins | Herunterladen |
|---|---|---|
| SOIC (NPA) | 14 | Optionen anzeigen |
| VSSOP (DGS) | 10 | Optionen anzeigen |
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