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MAX8601ETD+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX8601ETD+

Manufacturer: MAXIM

Single-/Dual-Input 1-Cell Li+ Chargers with OVP Protection and Programmable Charge Timer

Partnumber Manufacturer Quantity Availability
MAX8601ETD+ MAXIM 3805 In Stock

Description and Introduction

Single-/Dual-Input 1-Cell Li+ Chargers with OVP Protection and Programmable Charge Timer The MAX8601ETD+ is a high-efficiency, step-up DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 1.8V to 5.5V  
- **Maximum Output Current:** Up to 300mA (depending on input/output conditions)  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 14-Pin TDFN (3mm x 3mm)  

### **Descriptions:**  
The MAX8601ETD+ is designed for low-input-voltage applications, such as single-cell or dual-cell alkaline/NiMH battery-powered devices. It integrates a synchronous rectifier for high efficiency and minimizes external component count. The device operates in pulse-width modulation (PWM) mode for stable output under varying loads.

### **Features:**  
- **True Low-Voltage Operation:** Starts up with inputs as low as 0.7V.  
- **Synchronous Rectification:** Improves efficiency and reduces power dissipation.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Low Quiescent Current:** 25µA (typical) for improved battery life.  
- **Internal Soft-Start:** Prevents inrush current at startup.  
- **Overcurrent and Thermal Protection:** Ensures safe operation.  
- **Small Footprint:** Suitable for space-constrained applications.  

This information is sourced from Maxim Integrated's official datasheet.

Application Scenarios & Design Considerations

Single-/Dual-Input 1-Cell Li+ Chargers with OVP Protection and Programmable Charge Timer

Alternative Part Number

  • BQ24040DSQR --: Single-cell Li-ion linear charger in a small DFN package with similar charge-management functionality and widely available as a MAX8601 alternative.
  • MCP73831T-2ACI/OT --: Compact single-cell Li-ion/Li-Po charge management controller with programmable current, commonly used as a drop-in style replacement for small charger ICs.
  • LTC4054ES5-4.2 --: Standalone linear Li-ion battery charger in a tiny SOT-23 package offering comparable charging behavior for space-constrained designs.

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