Key facts
- Brand
- Texas Instruments
- Model
- TPS2045
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2012-08-01
Start here
Texas Instruments TPS2045/TPS2055 Current-Limited Power-Distribution Switches Datasheet
The TPS2045 and TPS2055 are current-limited power-distribution switches designed for applications involving heavy capacitive loads and short circuits, such as notebook and desktop PCs. These devices utilize a 135-mΩ N-channel MOSFET high-side switch controlled by a logic enable input compatible with 5-V and 3-V logic levels.
Read onlineTexas Instruments TPS2045 specifications
| Maximum on-state resistance | 135 mΩ |
|---|---|
| Continuous output current | 250 mA |
| Operating input voltage range | 2.7 V to 5.5 V |
| Typical rise time | 2.5 ms |
| Maximum standby supply current | 10 µA |
| ESD protection (Human-Body-Model) | 2 kV |
| Operating temperature range | -40°C to 85°C |
| Short-circuit current limit | 0.44 A |
Source: Texas Instruments TPS2045/TPS2055 Current-Limited Power-Distribution Switches Datasheet
All Texas Instruments TPS2045 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What logic levels are compatible with the enable input?
The enable input is compatible with both TTL and CMOS logic levels.
From: Texas Instruments TPS2045/TPS2055 Current-Limited Power-Distribution Switches Datasheet
At what temperature does the thermal protection circuit shut off the switch?
The internal thermal-sense circuit shuts off the switch when the junction temperature rises to approximately 140°C.
From: Texas Instruments TPS2045/TPS2055 Current-Limited Power-Distribution Switches Datasheet
What is the maximum continuous output current for the TPS2045/TPS2055?
The devices are designed to limit at 0.44 A load.
What input voltage range do the switches operate over?
They operate from 2.7 V to 5.5 V.
What input voltage range does the switch operate over?
The switches operate with an input voltage between 2.7 V and 5.5 V.
From: Texas Instruments TPS2045, TPS2055 Current-Limited Power-Distribution Switches Datasheet