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L6924D013TR from ST,ST Microelectronics

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L6924D013TR

Manufacturer: ST

Single Cell Li Ion battery Charger

Partnumber Manufacturer Quantity Availability
L6924D013TR ST 20000 In Stock

Description and Introduction

Single Cell Li Ion battery Charger The L6924D013TR is a synchronous step-down DC-DC converter manufactured by STMicroelectronics (ST). Below are the key specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 2.9V to 5.5V  
- **Output Voltage:** Adjustable (0.6V to VIN)  
- **Output Current:** Up to 1.3A  
- **Switching Frequency:** 1.5MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** DFN8 (3x3 mm)  

### **Descriptions:**  
- The L6924D013TR is a high-efficiency, synchronous step-down DC-DC converter optimized for portable applications.  
- It integrates low RDS(on) power MOSFETs to minimize power losses.  
- The device operates in PWM mode for high efficiency across the load range.  

### **Features:**  
- **High Efficiency:** Up to 95% due to synchronous rectification.  
- **Low Quiescent Current:** 30µA (typical) in PFM mode.  
- **Power-Saving Modes:** Automatic PWM/PFM switching for improved light-load efficiency.  
- **Soft-Start:** Integrated to limit inrush current.  
- **Short-Circuit Protection:** With hiccup mode for fault recovery.  
- **100% Duty Cycle Operation:** Allows dropout operation when input voltage approaches output voltage.  
- **Thermal Shutdown:** Protects the device from overheating.  

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

Application Scenarios & Design Considerations

Single Cell Li Ion battery Charger

Alternative Part Number

  • BQ24074RGTR --: Single-cell Li-ion linear charger with power-path and thermal regulation, functionally similar to the L6924D battery charger controller and widely available.
  • MCP73831T-2ACI/OT --: Compact single-cell Li-ion/Li-Po charge management controller with programmable current, a common drop-in style alternative for small battery charger designs.
  • TP4056 --: Low-cost single-cell Li-ion linear charger IC with constant-current/constant-voltage charging, often used as a replacement in cost-sensitive charger circuits.

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