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MAX1554ETA from MAX,MAXIM - Dallas Semiconductor

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MAX1554ETA

Manufacturer: MAX

High-Efficiency / 40V Step-Up Converters for 2 to 10 White LEDs

Partnumber Manufacturer Quantity Availability
MAX1554ETA MAX 1421 In Stock

Description and Introduction

High-Efficiency / 40V Step-Up Converters for 2 to 10 White LEDs The MAX1554ETA is a battery charger controller IC manufactured by Maxim Integrated. Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX1554ETA  
- **Package:** 8-pin TDFN (3mm x 3mm)  
- **Input Voltage Range:** 4.5V to 7V  
- **Charge Voltage:** 4.2V (adjustable)  
- **Charge Current:** Up to 1A (programmable)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Charge Termination:** Automatic (based on current threshold)  
- **Battery Chemistry:** Single-cell Li-ion or Li-polymer  

### **Descriptions:**
- The MAX1554ETA is a compact, high-efficiency linear battery charger designed for single-cell Li-ion or Li-polymer batteries.  
- It integrates a power MOSFET, current-sense circuitry, and thermal regulation for safe charging.  
- The device supports USB and AC adapter power sources with automatic input selection.  

### **Features:**
- **Automatic Power Source Selection:** Switches between USB and AC adapter inputs.  
- **Programmable Charge Current:** Adjustable via an external resistor.  
- **Thermal Regulation:** Reduces charge current if temperature exceeds safe limits.  
- **Charge Status Outputs:** Open-drain outputs indicate charging and power-good status.  
- **Low Battery Leakage:** Minimizes battery drain when input power is removed.  
- **No External MOSFET or Diode Required:** Integrated power FET simplifies design.  

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

Application Scenarios & Design Considerations

High-Efficiency / 40V Step-Up Converters for 2 to 10 White LEDs

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