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TPS2112PWG4 from TEXAS

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TPS2112PWG4

Manufacturer: TEXAS

Dual In/Single Out Autoswitching Power MUX, Auto Sw, Adj. Cur Limit, Adj. Vol Threshold, Sw Status 8-TSSOP -40 to 85

Partnumber Manufacturer Quantity Availability
TPS2112PWG4 TEXAS 221 In Stock

Description and Introduction

Dual In/Single Out Autoswitching Power MUX, Auto Sw, Adj. Cur Limit, Adj. Vol Threshold, Sw Status 8-TSSOP -40 to 85 The TPS2112PWG4 is a power multiplexer manufactured by Texas Instruments. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Manufacturer:**  
Texas Instruments  

### **Part Number:**  
TPS2112PWG4  

### **Description:**  
The TPS2112PWG4 is a dual-input, single-output power multiplexer designed for power source selection in applications requiring seamless switching between two power supplies. It is commonly used in battery-powered systems, portable devices, and other applications where power redundancy or source selection is required.  

### **Key Features:**  
1. **Dual-Input, Single-Output Power Mux:**  
   - Selects between two power sources (IN1 and IN2) to provide a single output (OUT).  

2. **Low On-Resistance (RDS(ON)):**  
   - Typical 70mΩ (for both channels).  

3. **Automatic or Manual Switching:**  
   - Supports automatic priority-based switching (higher priority input takes over when available).  
   - Can be controlled manually via the SEL pin.  

4. **Wide Input Voltage Range:**  
   - Operates from 2.7V to 5.5V.  

5. **Low Quiescent Current:**  
   - Typically 1µA (when disabled).  

6. **Fast Switching:**  
   - Transition time between inputs is typically 20µs.  

7. **Overvoltage Protection (OVP):**  
   - Protects downstream circuits from input overvoltage conditions.  

8. **Reverse Current Blocking:**  
   - Prevents current backflow when one input is disabled.  

9. **Package:**  
   - 14-pin TSSOP (PWG4).  

10. **Applications:**  
   - Battery-powered systems  
   - USB power switching  
   - Redundant power supplies  
   - Portable electronics  

### **Electrical Characteristics (Typical Values):**  
- **Operating Temperature Range:** -40°C to +85°C  
- **Maximum Continuous Current:** 1.5A  
- **Control Logic (SEL Pin):**  
   - High (logic 1) selects IN1.  
   - Low (logic 0) selects IN2.  

This information is based on the manufacturer's datasheet and technical documentation. For detailed specifications, refer to the official Texas Instruments datasheet for the TPS2112PWG4.

Application Scenarios & Design Considerations

Dual In/Single Out Autoswitching Power MUX, Auto Sw, Adj. Cur Limit, Adj. Vol Threshold, Sw Status 8-TSSOP -40 to 85

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