Datasheet > SGM62180

SGM62180

更新时间： 2023-09-03 20:25:23

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
20页	989K
描述
4.5V to 15V, 6A Two-Phase Synchronous Buck Converter

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SGM62180 数据手册

SGM62180

4.5V to 16V, 6A Two-Phase

Synchronous Buck Converter

GENERAL DESCRIPTION

FEATURES

The SGM62180 is a two-phase, synchronous Buck

DC/DC converter with integrated power MOSFETs

using two identical current balanced phases with peak

current mode control. The SGM62180 is a perfect low

profile solution for height restricted applications.

● Two-Phase with Phase Shift Operation

● Peak Current Controlled Constant Off-Time Mode

● Balanced Current Sharing

● Wide 4.5V to 16V Operating Input Voltage Range

● 0.9V to 6V Adjustable Output Voltage Range

● 6A Maximum Continuous Output Current

● 30μA (TYP) Low Quiescent Current

● Power-Save Mode (PSM) Operation in Light Loads

● Adjustable Soft-Start

The Buck converter operates with phase delay to

minimize the required input capacitance and reduce the

EMI generation.

With a wide 4.5V to 16V input voltage range and a very

low quiescent current (30μA), the SGM62180 is well

suitable for systems powered by multi-cell Li-Ion

batteries, particularly for 12V applications. It can deliver

6A continuous current which is equally shared between

the phases. Dividing current between two phases

allows the use of thinner inductors required for low

profile designs.

● Voltage Tracking Capability

● Monotonic Start with Pre-biased Output

● Power-Good Output

● Hiccup Mode Over-Current Protection

● Over-Temperature Protection with Auto Recovery

● Available in a Green WLCSP-3.1×2.1-24B Package

APPLICATIONS

The efficiency is automatically maximized in the full

duty cycle range by adjusting the switching frequency

to the optimal value depending on V_INand V_OUT. The

loss is also minimized at very light loads by the

automatic activation of the power-save mode (PSM).

Low Profile POL Supply

Narrow Voltage DC (NVDC) Powered Systems

Battery Powered Systems with Dual/Triple Li-Ion Cells

Ultra-Portable and Embedded Tablet PC

Computing Network Solutions

Other features include tracking, adjustable soft-start

time, and power-good output signal. The SGM62180

can operate with 100% duty cycle for very low dropout.

It is also capable to work at high step-down ratios

without duty cycle limitation.

Micro Servers, SSD

TYPICAL APPLICATION

22μF

1μH

4.5V to 16V

VIN1

VIN2

SW1

3.3V/6A

2×

This device is available in a tiny 24-bump Green

WLCSP package with 0.5mm pin pitch.

SW2

22μF

47μF

470kΩ

150kΩ

SGM62180

100kΩ

SS/TR

GND

3.3nF

Figure 1. Typical Application Circuit

SG Micro Corp

NOVEMBER2022–REV. A.1

www.sg-micro.com

12 3 4 5 6 7...20

中文翻译

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