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LM5109BMAX from TI,Texas Instruments

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LM5109BMAX

Manufacturer: TI, NS

High Voltage 1A Peak Half Bridge Gate Driver

Partnumber Manufacturer Quantity Availability
LM5109BMAX TI, NS 66000 In Stock

Description and Introduction

High Voltage 1A Peak Half Bridge Gate Driver The LM5109BMAX is a high-voltage gate driver manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** LM5109BMAX  
- **Type:** High-Voltage Gate Driver  
- **Configuration:** Half-Bridge  
- **Output Current (Source/Sink):** 1.5A / 2.5A  
- **Supply Voltage (VDD):** 8V to 14V  
- **Maximum Bootstrap Voltage:** 118V  
- **Input Logic Compatibility:** TTL/CMOS  
- **Propagation Delay (Typical):** 50ns  
- **Rise/Fall Time (Typical):** 15ns / 10ns (with 1nF load)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin SOIC  

### **Descriptions:**  
The LM5109BMAX is a high-voltage gate driver designed to drive both high-side and low-side N-channel MOSFETs in a half-bridge configuration. It features a robust design for high-speed switching applications, with independent inputs for precise control.  

### **Features:**  
- **High-Voltage Operation:** Supports up to 118V bootstrap voltage.  
- **High Peak Output Current:** 1.5A source / 2.5A sink.  
- **Fast Switching:** Low propagation delay and rise/fall times.  
- **TTL/CMOS Input Compatibility:** Works with a wide range of logic levels.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation under low-voltage conditions.  
- **Low Power Consumption:** Optimized for efficiency.  
- **Robust Design:** Suitable for motor drives, power supplies, and inverters.  

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

Application Scenarios & Design Considerations

High Voltage 1A Peak Half Bridge Gate Driver

Alternative Part Number

  • IRS21867STRPBF --: Half-bridge gate driver with similar high-side/low-side drive capability and pin-compatible SOIC-8 footprint, widely used as a drop-in alternative to the LM5109.
  • FAN7392MX --: High-side and low-side gate driver in SOIC-8 with comparable drive current and bootstrap operation, suitable functional replacement.
  • NCP5109BDR2G --: Half-bridge gate driver with similar voltage rating and output current, offered in SOIC-8 package as an alternative source.
  • UCC27714DR --: Half-bridge gate driver with similar topology and SOIC-8 package, offering equivalent drive strength and level-shift behavior for this application.

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