Packaging information
| Package | Pins VQFN (RHB) | 32 |
| Operating temperature range (°C) -40 to 85 |
| Package qty | Carrier 3,000 | LARGE T&R |
Features for the TPS2459
- ATCA AdvancedMC™ Compliant
- Full Power Control for an AdvancedMC™ Module
- Independently Programmable 12-V Current Limit and Fast Trip
- 3.3-V and 12-V FET ORing Control for MicroTCA
- 12-V Output Shuts Off If 3.3-V Output Shuts Off
- Internal 3.3-V Current Limit and ORing
- I2C Power Good and Fault Reporting
- I2C™ Programmable Fault Times and Limits
- FET Status Bits for 3.3-V and 12-V Channels
- Load Current Monitors for 12-V and 3.3-V
- 32-Pin QFN Package
Description for the TPS2459
The TPS2459 hot-plug controller performs all necessary power interface functions for an AdvancedMC™ (Advanced Mezzanine Card). A fully integrated 3.3-V channel provides inrush control, over-current protection, and FET ORing. A 12-V channel provides the same functions using external FETs and sense resistors. The 3.3-V current limit is factory set to AdvancedMC™ compliant levels while the 12-V current limit is programmed using external sense resistors. The accurate current sense comparators of the TPS2459 satisfy the narrow ATCA™ AdvancedMC™ current limit requirements.