Overview
The TPS2115APWRG4 is a member of the TPS211xA family of autoswitching power multiplexers from Texas Instruments. This component is designed to seamlessly transition between two power supplies, making it ideal for applications where dual power sources are available and one needs to be prioritized over the other. The TPS2115A features low rDS(on) switches, reverse and cross-conduction blocking, and a wide operating voltage range, making it suitable for a variety of electronic devices.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range (IN1, IN2) | 2.8 | - | 5.5 | V |
| Operating Junction Temperature (TJ) | -40 | - | 125 | °C |
| Drain-Source On-State Resistance (rDS(on)) | 84 | 110 | 140 | mΩ |
| Current Limit Adjustment Range | 0.63 | - | 2 | A |
| Standby Current | - | 0.5 | - | μA |
| Operating Current | - | 55 | - | μA |
| Package Type | - | - | TSSOP-8 | - |
Key Features
- Two-input, one-output power multiplexer with low rDS(on) switches (84 mΩ typical for TPS2115A)
- Reverse and cross-conduction blocking
- Wide operating voltage range: 2.8 V to 5.5 V
- Low standby current: 0.5 μA typical
- Low operating current: 55 μA typical
- Adjustable current limit
- Switch status output
- Automatic and manual switching modes
Applications
- Personal Computers (PCs)
- Personal Digital Assistants (PDAs)
- Digital Cameras
- Modems
- Cell Phones
- Digital Radios
- MP3 Players
The TPS2115A is particularly useful in systems that require seamless switching between two power sources, ensuring minimal disruption to the system operation.
Q & A
- What is the primary function of the TPS2115APWRG4?
The primary function of the TPS2115APWRG4 is to act as an autoswitching power multiplexer, allowing seamless transition between two power supplies.
- What is the typical on-state resistance of the TPS2115A?
The typical on-state resistance (rDS(on)) of the TPS2115A is 84 mΩ.
- What is the operating voltage range of the TPS2115A?
The operating voltage range of the TPS2115A is from 2.8 V to 5.5 V.
- What is the standby current of the TPS2115A?
The standby current of the TPS2115A is typically 0.5 μA.
- Can the current limit be adjusted on the TPS2115A?
- What package types are available for the TPS2115A?
The TPS2115A is available in a TSSOP-8 package.
- What are some common applications for the TPS2115A?
- Does the TPS2115A have reverse and cross-conduction blocking?
- How does the TPS2115A handle switching between power sources?
The TPS2115A can switch between power sources automatically or manually, ensuring a seamless transition with minimal output voltage droop.
- What is the operating junction temperature range for the TPS2115A?
The operating junction temperature range for the TPS2115A is from -40°C to 125°C.
