Overview
The LM5122QMH/NOPB is a high-performance, multi-phase synchronous boost controller developed by Texas Instruments. This power management IC is designed for efficient synchronous boost regulator applications, targeting industries such as automotive, industrial automation, and telecommunications. Its advanced features, including peak current mode control and robust gate drivers, make it a competitive choice for high-efficiency power conversion systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage | 3 to 65 | V | Startup at 4.5 V |
| Output Voltage | 3 to 100 | V | |
| Output Current | 20 | A | |
| Switching Frequency | 50 to 1000 | kHz | |
| Operating Temperature | -40 to +125 | °C | |
| Package | HTSSOP-20 | ||
| Topology | Boost | ||
| Duty Cycle | 100 | % | |
| Qualification | AEC-Q100 |
Key Features
- Peak current mode control for enhanced performance.
- Robust 3-A integrated gate drivers for high efficiency.
- Adaptive dead-time control and diode emulation mode.
- Programmable cycle-by-cycle current limit and hiccup mode overload protection.
- Supports multi-phase operation for higher power applications.
Applications
The LM5122QMH/NOPB is ideal for a wide range of applications, including automotive power systems, industrial power supplies, and telecommunications infrastructure. Its ability to handle high input and output voltages, along with its multi-phase capability, makes it particularly suitable for demanding environments where efficiency and reliability are critical.
Q & A
What is the input voltage range of the LM5122QMH/NOPB?
The input voltage range is 3 V to 65 V, with a startup requirement of 4.5 V.
What is the maximum output voltage supported?
The maximum output voltage is 100 V.
What is the switching frequency range?
The switching frequency can be programmed from 50 kHz to 1 MHz.
Is the LM5122QMH/NOPB suitable for automotive applications?
Yes, it is AEC-Q100 qualified, making it suitable for automotive environments.
What package does the LM5122QMH/NOPB come in?
It is available in an HTSSOP-20 package.
Does it support multi-phase operation?
Yes, it supports multi-phase operation for higher power applications.
What is the maximum duty cycle?
The maximum duty cycle is 100%.
What is the operating temperature range?
It operates from -40°C to +125°C.
Does it include overload protection?
Yes, it features hiccup mode overload protection.
What is the output current capability?
It supports an output current of up to 20 A.
