Datasheet > XDPS21081

XDPS21081

更新时间： 2024-11-27 11:15:47

品牌	Logo	应用领域
英飞凌 - INFINEON		开关反激控制驱动控制器高压
页数	文件大小	规格书
55页	2141K
描述
英飞凌 XDPS21081 是一款反激式控制器IC，其初级侧引入 ZVS （零电压开关），通过简化电路和经济型开关来实现更高的工作效率。与传统的谷值开关方案相比，通过驱动外部低压开关产生负电流使主高压开关 MOSFET 放电，从而进一步降低开关损耗。为了以同步整流实现更高效率，XDPS21081 多模式数字强制准谐振 (FQR) 反激控制器 IC 通过谷值检测来确保 DCM （非连续导通模式）工作模式，从而实现更安全可靠的运行。

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XDPS21081 数据手册

XDPS21081

Forced Quasi Resonant ZVS Flyback controller

Based on FW: REV 1.0

Product Highlights

•

Integrated 600 V startup cell for fast startup and direct bus voltage sensing

Multi-mode operation with forced quasi resonant (FQR) Zero Voltage

Switching (ZVS) mode

•

DCM operation guaranteed

Adaptive current limitation for variable Vout

Supports low no load input power to meet stringent regulatory standard

One pin UART interface for configuration

Features

Description

• Low line QR, high line FQR ZVS

• Configurable ZVS enabled line voltage

• Low side ZVS MOSFET gate control

• ZVS optimization per variable Vout

• Built-in protection modes

• Brown-in and brownout detection via integrated HV

startup cell

• Pb-free lead plating; RoHS compliant

• Halogen-free according to IEC61249-2-21

The XDPS21081 is a digital PWM controller for high density

adapter applications based on Forced Quasi-resonant ZVS

flyback topology. It provides low line QR and high line FQR

ZVS operation. A wide feature set is provided in a DSO-12

package and requires only a minimum of external

components. An integrated ASSP digital engine provides

advanced algorithms for multi-mode operation and

protection features. A forced quasi resonant ZVS operation

support optimized high density adapter system

dimensioning. In addition a one-time-programmable (OTP)

unit is integrated to provide a selective set of configurable

parameters, which can be matched to a dedicated system

design.

Applications

•

High density adapter/charger

Product Validation

•

Qualified for industrial applications according to the

relevant tests of JEDEC47/20/22

85 ... 264 VAC

VCC

ZCD

GD1

GPIO

GD0

XDPS21081

MFIO

GND

Figure 1

Typical application

Package

Marking

FW Revision

REV 1.0

SP Ordering Code

XDPS21081

PG-DSO-12

SP005415076

Data Sheet

www.infineon.com

Please read the Important Notice and Warnings at the end of this document

Revision 2.0

2020-08-20

12 3 4 5 6 7...55

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