Overview
The LM5109BQNGTTQ1, produced by Texas Instruments, is a high-voltage gate driver designed for driving high-side and low-side N-channel MOSFETs in synchronous buck or half-bridge configurations. This component is part of the LM5109B-Q1 series and is qualified under AEC-Q100 standards, making it suitable for automotive applications. It features a compact WSON-8 package and operates with a supply voltage range of 8V to 14V, delivering up to 1A of output current. The LM5109BQNGTTQ1 is known for its cost-effectiveness and low power consumption, making it a competitive choice in power management ICs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Product Category | Gate Driver | - | - |
| Type | High-Side, Low-Side | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | WSON-8 | - | - |
| Number of Drivers | 1 | - | - |
| Number of Outputs | 2 | - | - |
| Output Current | 1 | A | - |
| Supply Voltage - Min | 8 | V | - |
| Supply Voltage - Max | 14 | V | - |
| Rise Time | 15 | ns | - |
| Fall Time | 15 | ns | - |
| Operating Temperature - Min | -40 | °C | - |
| Operating Temperature - Max | 125 | °C | - |
| Qualification | AEC-Q100 | - | - |
| Operating Supply Current | 1.8 | mA | - |
| Technology | Si | - | - |
| Unit Weight | 11 | mg | - |
Key Features
- High-voltage gate driver for N-channel MOSFETs.
- Operates up to 90V rail voltage.
- TTL/CMOS compatible logic input thresholds.
- Low power consumption for level shifting from control input logic to high-side gate driver.
- Qualified under AEC-Q100 standards for automotive applications.
Applications
The LM5109BQNGTTQ1 is widely used in various power management applications, including push-pull converters, half-bridge and full-bridge power converters, solid-state motor drives, and dual-switch forward power converters. Its robust design and high efficiency make it suitable for automotive electronics, industrial automation, and consumer electronics.
Q & A
What is the operating voltage range of the LM5109BQNGTTQ1?
The operating voltage range is from 8V to 14V.
What is the output current capability of the LM5109BQNGTTQ1?
It can deliver up to 1A of output current.
Is the LM5109BQNGTTQ1 suitable for automotive applications?
Yes, it is qualified under AEC-Q100 standards.
What is the rise and fall time of the LM5109BQNGTTQ1?
Both rise and fall times are 15ns.
What package does the LM5109BQNGTTQ1 come in?
It comes in a WSON-8 package.
What is the maximum operating temperature of the LM5109BQNGTTQ1?
The maximum operating temperature is +125°C.
What is the minimum operating temperature of the LM5109BQNGTTQ1?
The minimum operating temperature is -40°C.
What type of MOSFETs does the LM5109BQNGTTQ1 drive?
It drives high-side and low-side N-channel MOSFETs.
What is the supply current of the LM5109BQNGTTQ1?
The operating supply current is 1.8mA.
What are the typical applications of the LM5109BQNGTTQ1?
Typical applications include push-pull converters, half-bridge and full-bridge power converters, and solid-state motor drives.
