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U2102B

IGBT/FET control timer for advanced dimmer, motion sensor, reverse phase control applications

Partnumber Manufacturer Quantity Availability
U2102B 425 In Stock

Description and Introduction

IGBT/FET control timer for advanced dimmer, motion sensor, reverse phase control applications The part U2102B is a Hall-effect sensor IC manufactured by Allegro MicroSystems. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
Allegro MicroSystems  

### **Description:**  
The U2102B is a Hall-effect sensor integrated circuit (IC) designed for use in brushless DC motor commutation and speed detection applications. It provides a digital output in response to changes in magnetic fields, making it suitable for position and speed sensing.  

### **Key Features:**  
- **Operating Voltage Range:** 4.5V to 24V  
- **Output Type:** Open-collector (sink)  
- **Output Current:** Up to 25 mA  
- **Operating Temperature Range:** -40°C to +150°C  
- **Magnetic Sensitivity:** Typically responds to South and North pole magnetic fields  
- **Built-in Protection:** Reverse battery protection and output short-circuit protection  
- **Package Type:** Typically available in a 3-pin SIP (Single In-line Package)  

### **Applications:**  
- Brushless DC motor commutation  
- Speed and RPM sensing  
- Proximity detection  
- Automotive and industrial position sensing  

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

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