BL8033 Power Management IC – 3A Synchronous DC/DC Buck Converter | 4.5–16V, MP1471 Compatible

The BL8033 is a high-efficiency Power Management IC integrating a synchronous DC/DC step-down (buck) converter with built-in MOSFETs, designed for wide input voltage applications requiring compact and reliable power delivery.
It supports a 4.5V to 16V input voltage range and provides an adjustable output voltage, making it suitable for consumer, industrial, and embedded system applications.

Capable of delivering up to 3A output current, the BL8033 ensures stable voltage regulation and high efficiency across varying loads.
It is MP1471-compatible, allowing easy replacement or integration in existing designs with minimal layout changes.

Key Specifications

• Input Voltage (VIN): 4.5V – 16V

• Output Voltage (VOUT): Adjustable

• Output Current (IOUT): Up to 3A

• Topology: Synchronous Buck Converter

• Power Switching: Built-in MOSFETs

• Control Mode: PWM

• Compatibility: MP1471

• Package: ESOP8

Applications

• Consumer electronics

• Set-top boxes (STB)

• Embedded systems

• Industrial electronics

• Point-of-load power rails

• General-purpose DC/DC regulation

Features

• MP1471 compatible solution

• Wide input voltage range 4.5–16V

• Integrated synchronous MOSFETs

• High efficiency step-down conversion

• Stable output regulation under dynamic loads

• Compact ESOP8 package for high-density designs