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TPS65051RSMT from TI/BB,Texas Instruments

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TPS65051RSMT

Manufacturer: TI/BB, TI

6-channel Power Management IC (PMIC) with 2 DC/DCs, 4 LDOs, in 4x4mm QFN 32-VQFN -40 to 85

Partnumber Manufacturer Quantity Availability
TPS65051RSMT TI/BB, TI 5054 In Stock

Description and Introduction

6-channel Power Management IC (PMIC) with 2 DC/DCs, 4 LDOs, in 4x4mm QFN 32-VQFN -40 to 85 The TPS65051RSMT is a power management IC (PMIC) manufactured by Texas Instruments (TI). Here are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Package:** RSMT (32-pin QFN)  
- **Input Voltage Range:** 2.5V to 6.0V  
- **Output Voltage Range:** Adjustable (depends on configuration)  
- **Number of Buck Converters:** 3 (step-down DC-DC converters)  
- **Number of LDOs:** 2 (low-dropout linear regulators)  
- **Switching Frequency:** Up to 2.25 MHz (synchronizable)  
- **Efficiency:** Up to 95% (depends on load and configuration)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The TPS65051RSMT is a highly integrated PMIC designed for multi-rail power supply applications. It combines three step-down converters and two LDOs in a compact QFN package, making it suitable for space-constrained designs. It supports dynamic voltage scaling (DVS) for power optimization.  

### **Features:**  
- **Three Synchronous Buck Converters:**  
  - Configurable output voltages (0.8V to 3.3V)  
  - High efficiency with integrated FETs  
  - Adjustable switching frequency (up to 2.25 MHz)  
- **Two LDO Regulators:**  
  - Fixed or adjustable output voltages  
  - Low dropout voltage for power efficiency  
- **I²C Interface:** Allows dynamic voltage scaling (DVS) and power sequencing control.  
- **Power Sequencing:** Supports flexible startup and shutdown sequencing.  
- **Protection Features:**  
  - Overcurrent protection (OCP)  
  - Thermal shutdown  
  - Undervoltage lockout (UVLO)  

This IC is commonly used in portable electronics, embedded systems, and applications requiring multiple regulated power rails.

Application Scenarios & Design Considerations

6-channel Power Management IC (PMIC) with 2 DC/DCs, 4 LDOs, in 4x4mm QFN 32-VQFN -40 to 85

Alternative Part Number

  • MAX8660ETL+ --: Integrated PMIC with multiple buck regulators and LDOs for processor power, functionally similar to the TPS65051 power management unit and available in a comparable small package.
  • DA9063 --: Multi-rail configurable PMIC with buck converters and LDOs, suitable as a functional substitute for processor power management applications similar to the TPS65051.
  • BD71837MWV --: Power management IC with multiple buck and LDO outputs designed for processor supplies, offering a comparable integrated PMIC function to the TPS65051.
  • TPS65053RSMR --: Same TPS6505x power-management family in the same QFN package with comparable multi-rail regulators; verify the specific rail voltages and sequencing against the TPS65051.
  • DA9062 --: Configurable multi-rail PMIC with buck and LDO outputs suitable for similar applications; needs configuration and footprint verification before use.

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