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TPS62402DRCRG4 from TEXAS

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TPS62402DRCRG4

Manufacturer: TEXAS, TI/BB

Dual, 400mA and 600mA, 2.25MHz Step-Down Converter with 1-Wire Interface in QFN 10-VSON -40 to 85
Partnumber Manufacturer Quantity Availability
TPS62402DRCRG4 TEXAS, TI/BB 18660 In Stock

Description and Introduction

Dual, 400mA and 600mA, 2.25MHz Step-Down Converter with 1-Wire Interface in QFN 10-VSON -40 to 85 The TPS62402DRCRG4 is a dual-channel, step-down DC-DC converter manufactured by Texas Instruments (TEXAS). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 2.3V to 6V  
- **Output Voltage Range:** Adjustable from 0.6V to VIN  
- **Output Current:** Up to 400mA per channel  
- **Switching Frequency:** 2.25MHz (typical)  
- **Efficiency:** Up to 95%  
- **Quiescent Current:** 30µA (typical) per channel  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** VSON-10 (DRC)  

### **Descriptions:**
- The TPS62402DRCRG4 is a synchronous, step-down DC-DC converter optimized for low-power applications.  
- It integrates two independent converters in a single package, making it suitable for dual-rail power supply designs.  
- The device operates in PWM mode for high efficiency under load and automatically switches to Power Save Mode (PSM) at light loads to improve efficiency.  

### **Features:**
- **Dual Independent Outputs:** Two 400mA step-down converters in one package.  
- **High Efficiency:** Up to 95% efficiency with integrated synchronous rectification.  
- **Low Quiescent Current:** 30µA per channel for improved battery life.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Power Save Mode (PSM):** Enhances efficiency at light loads.  
- **100% Duty Cycle Operation:** Supports low dropout conditions.  
- **Thermal Shutdown & Overcurrent Protection:** Ensures safe operation.  
- **Small Footprint:** 3mm × 3mm VSON-10 package for space-constrained designs.  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Dual, 400mA and 600mA, 2.25MHz Step-Down Converter with 1-Wire Interface in QFN 10-VSON -40 to 85

Alternative Part Number

  • TPS62402DRCR --: Same TPS62402 dual buck converter in the same 10-pin VSON package, identical electrical specifications; the G4 suffix is only a lead-free/RoHS ordering variant, so this is the closest drop-in replacement.
  • TPS62400DRCR --: Same TPS6240x family, same package and pinout, with a slightly different fixed output voltage option; works as a functional substitute when the exact output voltage is not critical.
  • TPS62410DRCR --: Related TI dual synchronous step-down converter in the same VSON-10 footprint with comparable current rating; a viable alternative from the same family when the TPS62402 is unavailable.
  • TPS62420DRCR --: Higher-current dual synchronous buck converter in the same VSON-10 package and pin-compatible family, offering a robust drop-in option when the load current margin is acceptable.
  • LM26420XMH --: Dual 2 A synchronous buck converter from a different TI series with comparable input range and functionality; requires checking the package footprint and feedback configuration before substitution.

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