Overview
The TPS2115PWRG4 is a two-input, one-output power multiplexer designed by Texas Instruments. This component is part of the TPS2115 family and is available in a TSSOP-8 package. It is engineered to provide seamless switching between two power supplies, making it ideal for various portable and battery-powered devices. The TPS2115PWRG4 features low on-resistance switches, reverse and cross-conduction blocking, and adjustable current limiting, ensuring efficient and reliable power management.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Supply Voltage | 2.8 to 5.5 | V |
| Output Current | Up to 1.5 A | A |
| On-State Resistance (rDS(on)) | 84 mΩ (Typical) | mΩ |
| Current Limit Adjustment Range | 0.63 to 1.25 A | A |
| Operating Virtual Junction Temperature | -40 to 125 °C | °C |
| Package Type | TSSOP-8 | |
| Standby Current | 0.5 µA (Typical) | µA |
| Logic Input Voltage | 0 to 5.5 V | V |
Key Features
- Two-input, one-output power multiplexer with low on-resistance switches (84 mΩ typical for TPS2115)
- Wide operating voltage range: 2.8 V to 5.5 V
- Reverse and cross-conduction blocking to prevent backflow of current
- Adjustable current limit using an external resistor (R(ILIM))
- Low standby current: 0.5 µA typical
- Manual and auto-switching modes controlled by logic inputs (D0 and D1)
- TTL and CMOS compatible input pins
Applications
- Portable electronics such as PCs, PDAs, digital cameras, and cell phones
- Modems, digital radios, and MP3 players
- Battery-powered systems, including those using multiple battery packs
- Any application requiring seamless switching between two power supplies
Q & A
- What is the operating voltage range of the TPS2115PWRG4?
The operating voltage range is from 2.8 V to 5.5 V
- What is the typical on-state resistance of the TPS2115PWRG4?
The typical on-state resistance is 84 mΩ
- How is the current limit adjusted in the TPS2115PWRG4?
The current limit is adjusted using an external resistor (R(ILIM)) connected to the ILIM pin
- What are the switching modes available in the TPS2115PWRG4?
The component supports both manual and auto-switching modes controlled by the D0 and D1 logic inputs
- What is the maximum output current of the TPS2115PWRG4?
The maximum output current is up to 1.5 A
- What type of package does the TPS2115PWRG4 come in?
The component is available in a TSSOP-8 package
- What is the standby current of the TPS2115PWRG4?
The standby current is typically 0.5 µA
- Is the TPS2115PWRG4 compatible with TTL and CMOS logic?
- What are some common applications of the TPS2115PWRG4?
- How does the TPS2115PWRG4 prevent backflow of current?
