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MAX8731AETI+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX8731AETI+

Manufacturer: MAXIM, MAX

SMBus Level 2 Battery Charger with Remote Sense

Partnumber Manufacturer Quantity Availability
MAX8731AETI+,MAX8731AETI MAXIM, MAX 26617 In Stock

Description and Introduction

SMBus Level 2 Battery Charger with Remote Sense The **MAX8731AETI+** is a power management IC manufactured by **Maxim Integrated** (now part of Analog Devices). Below are the factual details about this component:

### **Manufacturer:**  
- **MAX (Maxim Integrated)**  

### **Specifications:**  
- **Part Number:** MAX8731AETI+  
- **Package:** 28-TQFN-EP (5x5)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 4.5V to 24V  
- **Output Voltage Range:** Adjustable (dual-output regulator)  
- **Switching Frequency:** 300kHz (fixed)  
- **Regulator Type:** Dual Step-Down (Buck) Controller  
- **Efficiency:** Up to 95%  
- **Features:**  
  - Dual synchronous buck controllers  
  - Adjustable output voltage  
  - Integrated MOSFET drivers  
  - Power-good indicators  
  - Soft-start functionality  
  - Overcurrent and thermal protection  

### **Descriptions:**  
The **MAX8731AETI+** is a high-efficiency, dual-output step-down (buck) controller designed for notebook computers and other portable devices. It provides two independent regulated outputs with synchronous rectification for improved efficiency.  

### **Features:**  
- **Dual Outputs:** Two independently controlled step-down regulators.  
- **Wide Input Range:** Supports 4.5V to 24V input.  
- **High Efficiency:** Up to 95% due to synchronous rectification.  
- **Integrated Drivers:** Reduces external component count.  
- **Protection Features:** Overcurrent, undervoltage lockout (UVLO), and thermal shutdown.  
- **Power-Good Indicators:** Monitors output status.  
- **Soft-Start:** Prevents inrush current at startup.  

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

Application Scenarios & Design Considerations

SMBus Level 2 Battery Charger with Remote Sense

Alternative Part Number

  • BQ24725ARGRR --: Multi-cell battery charger controller with SMBus interface, functionally similar to the MAX8731A and widely available.
  • ISL88731CHRTZ --: SMBus battery charger IC for notebook applications, comparable feature set and pin function to the MAX8731A.
  • BQ24735RGRR --: SMBus-controlled multi-chemistry battery charger with similar voltage/current regulation, suitable as a design alternative.

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