ISL78419

series introduction

# ISL78419 Product Series Introduction

## 1. Overview
The ISL78419 product series is a cutting - edge offering in the field of power management integrated circuits (PMICs). Designed by industry - leading semiconductor experts, these devices are engineered to meet the complex and demanding power requirements of modern electronic systems. Whether it's in automotive, industrial, or high - performance consumer applications, the ISL78419 series provides reliable and efficient power solutions.

## 2. Key Features

### 2.1 High - Efficiency Power Conversion
- The ISL78419 series incorporates advanced power conversion topologies, such as synchronous buck converters. These converters are capable of achieving high efficiency levels, often exceeding 90%. This high efficiency not only reduces power dissipation but also helps in extending the battery life of portable devices or minimizing the energy consumption of stationary systems.
- For example, in an automotive infotainment system, the high - efficiency power conversion of the ISL78419 can reduce the load on the vehicle's electrical system, leading to better fuel economy and less heat generation.

### 2.2 Multiple Output Channels
- Each device in the ISL78419 series typically offers multiple output channels. This allows for the simultaneous powering of different components within a system, such as microcontrollers, memory chips, and sensors.
- For instance, in an industrial automation system, one output channel can be dedicated to powering the control unit, while another can supply power to the communication interface, streamlining the power distribution design.

### 2.3 Wide Input Voltage Range
- The ISL78419 series is designed to operate over a wide input voltage range. This flexibility makes it suitable for a variety of power sources, including batteries, solar panels, and regulated power supplies.
- In automotive applications, where the battery voltage can vary significantly depending on the state of charge and the vehicle's operating conditions, the wide input voltage range of the ISL78419 ensures stable power delivery to the connected electronics.

### 2.4 Programmability
- These PMICs offer a high degree of programmability. Users can configure parameters such as output voltage, switching frequency, and soft - start time through an integrated I²C interface.
- This programmability enables designers to optimize the power management solution for their specific application requirements. For example, in a high - performance computing system, the designer can adjust the output voltage to meet the power needs of different processors and memory modules.

### 2.5 Protection Features
- The ISL78419 series is equipped with comprehensive protection features to safeguard the connected components and the PMIC itself. These include over - voltage protection (OVP), under - voltage protection (UVP), over - current protection (OCP), and thermal shutdown.
- In case of a short - circuit or an over - current event, the OCP feature will quickly shut down the output to prevent damage to the system. Similarly, the thermal shutdown feature will activate if the device temperature exceeds a safe limit, ensuring the long - term reliability of the PMIC.

## 3. Applications

### 3.1 Automotive
- In automotive electronics, the ISL78419 series can be used in various applications such as infotainment systems, advanced driver - assistance systems (ADAS), and in - vehicle networking.
- For ADAS, the reliable power supply provided by the ISL78419 ensures the proper functioning of sensors, cameras, and processing units, which are crucial for safety - critical applications.

### 3.2 Industrial
- Industrial automation systems, including programmable logic controllers (PLCs), motor drives, and industrial sensors, can benefit from the ISL78419 series

Images for reference

28-QFN, L28.4X5A PKG

28-QFN, L28.4X5A PKG

Datasheets

• ISL78419

Partlist