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TPS61043DRBRG4 from TI,Texas Instruments

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TPS61043DRBRG4

Manufacturer: TI

TPS61043: Constant Current LED Driver 8-SON -40 to 85

Partnumber Manufacturer Quantity Availability
TPS61043DRBRG4 TI 9951 In Stock

Description and Introduction

TPS61043: Constant Current LED Driver 8-SON -40 to 85 The TPS61043DRBRG4 is a boost converter manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** 0.9V to 5.5V  
- **Output Voltage:** Adjustable up to 5.5V  
- **Output Current:** Up to 400mA  
- **Switching Frequency:** 1.2MHz (typical)  
- **Efficiency:** Up to 95%  
- **Package:** VSON-8 (DRB)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Features:**  
  - Low quiescent current (30µA typical)  
  - Automatic PFM/PWM mode switching  
  - Integrated power switch  
  - Soft-start function  
  - Over-temperature protection  

### **Descriptions:**  
The TPS61043DRBRG4 is a high-efficiency, low-quiescent-current boost converter designed for battery-powered applications. It provides a regulated output voltage from a low input voltage source, making it suitable for portable devices.  

### **Features:**  
- **Wide Input Voltage Range:** Supports operation from 0.9V to 5.5V.  
- **Adjustable Output Voltage:** Can be set up to 5.5V.  
- **High Efficiency:** Optimized for low-power applications.  
- **Low Quiescent Current:** Extends battery life in portable devices.  
- **Integrated Power Switch:** Simplifies design and reduces external components.  
- **Protection Features:** Includes over-temperature protection.  
- **Small Package:** VSON-8 (2mm x 2mm) for space-constrained applications.  

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

Application Scenarios & Design Considerations

TPS61043: Constant Current LED Driver 8-SON -40 to 85

Alternative Part Number

  • AP3012KTR-G1 --: Boost converter in a similar small package with comparable input/output voltage range, suitable as a functional substitute for LED/boost applications.
  • LT1932ES6#TRPBF --: Constant-current LED boost driver with similar topology and current regulation, offering a different series and vendor for drop-in design evaluation.
  • MAX1848EKA+T --: Step-up converter for white LED backlight with comparable switching frequency and current drive, providing a distinct naming series alternative.
  • TPS61043DRBR --: Same TPS61043 boost converter in the same SON package, just the non-G4 (non-green) ordering variant, so it is a direct drop-in replacement.
  • TPS61040DRVR --: Same TPS6104x boost converter family with similar input/output ratings and pinout, in a WSON package; check package footprint before use.
  • TPS61041DRVR --: Sister part in the TPS6104x family with comparable boost converter function and control scheme; verify current limit and switching frequency for the target design.

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