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TPS2042BDRG4 from TI,Texas Instruments

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TPS2042BDRG4

Manufacturer: TI

Dual, Current-Limited, Power-Distribution Switches 8-SOIC -40 to 85

Partnumber Manufacturer Quantity Availability
TPS2042BDRG4 TI 28893 In Stock

Description and Introduction

Dual, Current-Limited, Power-Distribution Switches 8-SOIC -40 to 85 The TPS2042BDRG4 is a power distribution switch manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Continuous Current Limit:** 0.5A (typical)  
- **On-Resistance (RDS(ON)):** 95mΩ (typical at 5V)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8  
- **Number of Channels:** 1  
- **Fault Protection:** Overcurrent, Thermal Shutdown  
- **Enable Logic:** Active High  

### **Descriptions:**  
The TPS2042BDRG4 is a single-channel power switch designed for applications requiring controlled power distribution. It features an integrated 95mΩ MOSFET and provides protection against overcurrent and thermal overload.  

### **Features:**  
- Adjustable current limit (0.5A typical)  
- Fast overcurrent response (<5µs)  
- Thermal shutdown protection  
- Low quiescent current (1µA typical when disabled)  
- Reverse current blocking  
- ESD protection (2kV HBM)  

This device is commonly used in USB ports, hot-swap circuits, and power management applications.

Application Scenarios & Design Considerations

Dual, Current-Limited, Power-Distribution Switches 8-SOIC -40 to 85

Alternative Part Number

  • MIC2026-1YM --: Dual-channel high-side power switch with current limiting, functionally similar to the TPS2042B dual switch and available in SOIC-8.
  • AP2552W6-7 --: Single-channel adjustable current-limited power switch with enable and fault flag, suitable replacement for USB power distribution applications.
  • LM3526MX-L --: Dual-port USB power switch with current limiting and thermal shutdown, same manufacturer family but different series, offering similar functionality.
  • TPS2042BD --: Same TPS2042B family dual-channel current-limited power switch in SOIC-8 package; identical electrical function and pinout, only the package/ordering suffix differs from the DRG4 variant.
  • AP2142SG-13 --: Dual-channel USB power switch with overcurrent protection and enable control, offering comparable voltage/current ratings and a similar SOIC-8 footprint for the TPS2042BDRG4.

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