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TPS2224DBR from TI,Texas Instruments

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TPS2224DBR

Manufacturer: TI

1A Dual-Slot PC Card Power Switch w/Serial Interface, 24-Pin Package

Partnumber Manufacturer Quantity Availability
TPS2224DBR TI 813 In Stock

Description and Introduction

1A Dual-Slot PC Card Power Switch w/Serial Interface, 24-Pin Package The TPS2224DBR is a power-distribution switch manufactured by Texas Instruments (TI). Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Continuous Current Limit:** 0.5A per channel (two independent channels)  
- **On-Resistance (RDS(ON)):** 95mΩ (typical) at 5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SSOP-24 (DBR)  

### **Descriptions:**  
The TPS2224DBR is a dual-channel power-distribution switch designed for applications requiring precise current limiting and protection. It integrates two independent 0.5A load switches with low on-resistance, making it suitable for USB power management, hot-swap applications, and portable electronics.  

### **Features:**  
- **Dual Independent Channels:** Two 0.5A switches in a single package.  
- **Adjustable Current Limit:** Programmable via external resistor.  
- **Fast Overcurrent Response:** Shuts off in microseconds during fault conditions.  
- **Thermal Shutdown Protection:** Prevents damage from excessive heat.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within voltage range.  
- **Controlled Slew Rate:** Reduces inrush current during turn-on.  
- **Low Standby Current:** Minimizes power consumption when disabled.  

This device is commonly used in USB hubs, notebooks, and other power-management systems.

Application Scenarios & Design Considerations

1A Dual-Slot PC Card Power Switch w/Serial Interface, 24-Pin Package

Alternative Part Number

  • MIC2026-1YM --: Dual-channel high-side power switch with current limiting, functionally similar to the TPS2224 dual power-distribution switch and available in a comparable SOIC package.
  • AAT4616AIGU-1-T1 --: Current-limited high-side load switch suitable for power distribution and hot-swap applications, offering similar protection features in a small package.
  • AP2553W6-7 --: Single-channel current-limited power switch with enable and fault flag, usable as a functional substitute where dual-channel capability is not strictly required.

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