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MAX890LESA+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX890LESA+T

Manufacturer: MAXIM, MAXI

1.2A, Current-Limited, High-Side P-Channel Switch with Thermal Shutdown

Partnumber Manufacturer Quantity Availability
MAX890LESA+T,MAX890LESAT MAXIM, MAXI 767 In Stock

Description and Introduction

1.2A, Current-Limited, High-Side P-Channel Switch with Thermal Shutdown **Manufacturer:** Maxim Integrated (now part of Analog Devices)  

**Part Number:** MAX890LESA+T  

### **Specifications:**  
- **Category:** Power Management IC (PMIC)  
- **Function:** Battery Charger Controller  
- **Input Voltage Range:** 4.5V to 28V  
- **Charge Voltage Range:** Adjustable (typically up to 4.2V/cell)  
- **Charge Current:** Programmable up to 2A  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Features:**  
  - Linear battery charger  
  - Thermal regulation for safe charging  
  - Charge termination based on current threshold  
  - Reverse battery protection  
  - Low-dropout operation  

### **Descriptions:**  
The MAX890LESA+T is a linear battery charger controller designed for single-cell lithium-ion (Li+) or lithium-polymer (LiPo) batteries. It supports a wide input voltage range and provides programmable charge current with thermal protection.  

### **Features:**  
- Wide input voltage range (4.5V to 28V)  
- Programmable charge current (up to 2A)  
- Thermal regulation prevents overheating  
- Reverse battery protection  
- Low dropout voltage for efficient charging  
- Charge termination via current threshold detection  
- Compact 8-pin SOIC package  

This IC is commonly used in portable devices requiring efficient and safe battery charging.

Application Scenarios & Design Considerations

1.2A, Current-Limited, High-Side P-Channel Switch with Thermal Shutdown

Alternative Part Number

  • TPS2041BDBVR --: Pin-compatible current-limited high-side power switch in SOT-23-5 with similar voltage/current ratings, widely available and often used as a MAX890L substitute.
  • MIC2026-1YM --: Dual-channel current-limiting power distribution switch with comparable operating range and enable control, suitable for load-switch replacement.
  • AP2553W6-7 --: Single-channel adjustable current-limited power switch in SOT-26 offering similar functionality and a compact footprint for MAX890L applications.

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