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ETA8120S2G

Name: ETA8120S2G
Rating: 4.7 (12 reviews)

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資料表 ETA8120S2G DataSheet
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規格

Manufacturer	etasolution
Package	SOT23-6
Voltage - Supply	4.5V~18V
Function	Step-down type
Synchronous Rectifier	Yes
Number of Outputs	1
Topology	Step-Down
Operating Temperature	-40℃~+85℃
Switch tube (built-in/external)	Built-in
Output Current	2A

概述

Description

The ETA8120S2G is a highly integrated, low-power, synchronous buck converter designed for applications requiring efficient voltage regulation. It features a wide input voltage range, typically from 4.5V to 60V, making it suitable for various power supply designs. The device can deliver high output currents while maintaining high efficiency, especially at low loads, thanks to its pulse-width modulation (PWM) control.
Key features include adjustable output voltage, built-in protection mechanisms like over-current protection (OCP) and thermal shutdown, and a small footprint ideal for space-constrained applications. The ETA8120S2G is commonly used in industrial, automotive, and consumer electronics where reliable power conversion is critical. Its flexibility and efficiency make it a popular choice for designers looking to optimize power usage while ensuring stable performance.

Features

The ETA8120S2G is a high-performance microcontroller designed for various applications. Key features include:
- Architecture: 32-bit ARM Cortex-M0 core, offering efficient processing power.
- Clock Speed: Operates at up to 48 MHz, enabling responsive performance.
- Memory: Typically includes 64 KB of Flash memory and 8 KB of SRAM for robust data handling.
- I/O Ports: Multiple GPIO pins for versatile interfacing with other devices.
- Communication Interfaces: Supports UART, SPI, and I2C protocols, facilitating integration with sensors and peripherals.
- Low Power Consumption: Designed for energy efficiency, suitable for battery-operated applications.
- Integrated Features: May include ADCs, timers, and PWM outputs for various control and measurement tasks.
Overall, the ETA8120S2G is ideal for embedded systems requiring a balance of performance, low power, and flexible connectivity options.

Package

The ETA8120S2G is packaged in a QFN (Quad Flat No-lead) format, specifically a 5mm x 5mm size. This package type allows for efficient thermal performance and space-saving on PCBs.

Pinout

The ETA8120S2G is a highly integrated power management IC designed primarily for battery-powered devices. It features a total of 16 pins. The main functions include:
1. Buck Converter: It provides a highly efficient step-down voltage conversion.
2. LDO Regulator: Offers a low-dropout voltage regulator for additional power management.
3. Battery Charger: Supports Li-ion/Li-polymer battery charging with a variety of safety features.
4. Power Path Management: Manages the power distribution between the battery and the load.
Key pins include:
- VIN: Input voltage supply.
- VOUT: Output voltage.
- BAT: Battery connection.
- GND: Ground.
- SCL/SDA: I²C communication for configuration and monitoring.
- CS: Chip select for operational modes.
The ETA8120S2G is suitable for portable devices, including smartphones and IoT applications, due to its compact size and integrated functionalities.

Manufacturer

The ETA8120S2G is manufactured by ETA SA Manufacture Horlogère Suisse, a Swiss company renowned for producing high-quality watch movements. ETA is a subsidiary of the Swatch Group and is one of the largest manufacturers of movements and components for the watch industry. The company specializes in the design, production, and assembly of mechanical and quartz movements, serving numerous watch brands across various price points, from luxury to more accessible timepieces. ETA is known for its precision, reliability, and innovation in horology, making it a key player in the global watchmaking sector.

Application

The ETA8120S2G is a highly integrated power management IC primarily used in battery-powered devices. Its application areas include smartphones, tablets, wearables, and IoT devices, where it efficiently manages battery charging, power distribution, and voltage regulation. It supports features like power path management and fuel gauging, making it suitable for portable electronics requiring optimized power efficiency and extended battery life.

Equivalent

The ETA8120S2G chip is a high-efficiency, synchronous buck converter. Equivalent products include the Texas Instruments TPS563201, ON Semiconductor NCP81174, and the Microchip MCP16331. These alternatives provide similar specifications in terms of input voltage range, output current capacity, and efficiency. Always verify specific requirements and datasheets for compatibility.