Overview
The NCP81295MNTXG, produced by onsemi, is a hotswap controller designed for high-current applications. It features a low on-resistance MOSFET of 0.65 mΩ, which reduces power losses and minimizes solution size. This device provides robust overcurrent protection during short circuits and overcurrent conditions, and it integrates a highly accurate current sensor, eliminating the need for a sense resistor. The NCP81295MNTXG is suitable for applications requiring reliable and efficient power management.
Key Specifications
| Parameter | Value |
|---|---|
| On Resistance (Rds(on)) | 0.65 mΩ |
| Peak Current Output | Up to 60 A |
| Continuous Current Output | 50 A |
| Input Voltage Range (Vin) | 4.5 V to 18 V |
| Operating Temperature Range | −40°C to 125°C |
| Package Type | 5mm x 5mm QFN32 |
| Current Limit | Programmable, Multi-level |
| Overcurrent Protection | Latch off (NCP81295), Hiccup mode (NCP81296) |
| Soft Start | Programmable |
| Current Monitoring | Analog IMON Output |
Key Features
- Low 0.65 mΩ internal MOSFET to reduce power losses and solution size.
- Overcurrent protection against short circuits, overcurrent conditions, and soft shorts.
- Analog IMON output for accurate load current monitoring.
- Close loop operation during soft start.
- Enhanced 5mm x 5mm QFN package for thermal efficiency.
- Programmable soft-start and multi-level current limit.
- Internal switch fault diagnostics and built-in insertion delay for hotswap applications.
- Optional enable-controlled output pulldown when disabled.
Applications
- Servers
- Storage systems
- Base band units
- 12V backplanes
- Base stations
Q & A
- What is the on-resistance of the NCP81295MNTXG MOSFET?
The on-resistance of the NCP81295MNTXG MOSFET is 0.65 mΩ.
- What is the peak current output of the NCP81295MNTXG?
The peak current output of the NCP81295MNTXG is up to 60 A.
- What is the operating temperature range of the NCP81295MNTXG?
The operating temperature range of the NCP81295MNTXG is −40°C to 125°C.
- Does the NCP81295MNTXG support parallel operation for higher current applications?
Yes, the NCP81295MNTXG can be paralleled for higher current applications.
- What type of package does the NCP81295MNTXG come in?
The NCP81295MNTXG comes in a 5mm x 5mm QFN32 package.
- What kind of overcurrent protection does the NCP81295 offer?
The NCP81295 offers latch off during overcurrent conditions, while the NCP81296 offers hiccup mode.
- Is the soft-start feature programmable on the NCP81295MNTXG?
Yes, the soft-start feature is programmable on the NCP81295MNTXG.
- Does the NCP81295MNTXG have an analog current monitoring output?
Yes, the NCP81295MNTXG has an analog IMON output for load current monitoring.
- What are some typical applications for the NCP81295MNTXG?
Typical applications include servers, storage systems, base band units, 12V backplanes, and base stations.
- Does the NCP81295MNTXG have built-in insertion delay for hotswap applications?
Yes, the NCP81295MNTXG has built-in insertion delay for hotswap applications.
