LTP8802A-1B

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54V, 140A DC/DC μModule Regulator with PMBus Interface

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概述

High Efficiency at High Frequency
- Up to 93.8% Efficiency at 813kHz, 54V_IN to 3.3V_OUT
PMBus-Compliant I²C Serial Interface
- Monitor Voltage, Current, Temperature and Faults
- Internal EEPROM Fault Log Record
- Digitally Programmable Control Loop Program Voltage, Current Limits, Soft-Start/Soft- Stop, Frequency Synchronization and Phasing, Power-Good, Warnings, and Faults

Wide Input Voltage Range: 45V to 65V
Output Voltage Range: 0.5V to 3.6V
Optimized for 45V to 65V_IN to 3.3V_OUT
±0.5% Maximum DC Output Error with Differential Remote Voltage Sense
±3% Current Readback Accuracy
Parallel and Current Share Multiple μModule ICs
22mm × 24mm × 22mm Surface-Mounted Package

The LTP^®8802A-1B is a 140A step-down μModule^® (micromodule) regulator that provides microprocessor core voltage from a 54V power distribution architecture. It features remote configurability and telemetry monitoring of power management parameters over PMBus, an open standard I²C-based digital interface protocol.

The LTP8802A-1B is comprised of a programmable digital control system with precision mixed-signal circuitry, EEPROM, power MOSFETs, planar transformer, inductors, and supporting components. Its high level of integration minimizes component count and design time and maximizes flexibility and power density.

The LTP8802A-1B preserves high efficiency at high conversion ratios by utilizing a quasi-resonant architecture that reduces high voltage switching losses. The LTP8802A-1B is available in a 22mm × 24mm × 22mm surface-mounted open frame package.

APPLICATIONS

High Current Distributed Power Systems
Servers, Network, and Storage Equipment
Intelligent Energy Efficient Power Regulation

产品模型: 1

参考资料

数据手册 1

LTP8802A-1B: 54V, 140A DC/DC μModule Regulator with PMBus Interface Data Sheet (Rev.B) 01/12/2026

用户手册 1

DC3190B-F - Demo Manual (Rev.A) 08/07/2024

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产品型号	引脚/封装图-中文版	文档	CAD 符号，脚注和 3D模型
LTP8802A-1BIPV#PBF	PCA Package 22-Lead (22mm × 24mm × 22mm)	Material Declaration Reliability Report 资料包	Ultra Librarian SamacSys

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工具及仿真模型

LTpowerPlay®

LTpowerPlay®是一款功能强大且基于Windows的开发环境，支持凌力尔特的数字电源系统管理(PSM)产品。

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LTP8802A-1B | 54V Input, High Current DC/DC Power μModule with PMBus Interface

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产品详情

Demonstration circuit 3190B-F is a high current, high density, high efficiency open-frame μModule® regulator with 45V to 65V input range. The DC3190B-F demo board has a LTP8802A-1B module regulator that provides the microprocessor a 3.3V voltage from 54V power distribution architecture with digital power system management (PSM). The maximum output current for the DC3190B-F demo board is 140A. See the LTP8802A-1B data sheet for more detailed information.

The DC3190B-F powers up to default settings and produces power based on configuration resistors without the need for any serial bus communication. This allows easy evaluation of the DC/DC converter. To fully explore the extensive power system management features of the DC3190B-F, download the graphical user interface (GUI) software LTpowerPlay^® onto your PC and use Analog Devices I²C/SMBus/PMBus dongle DC1613A to connect to the board. LTpowerPlay allows the user to reconfigure the part on-the-fly and store the configuration in EEPROM, view telemetry of voltage, current, temperature and fault status.

LTpowerPlay GUI Download

The software can be downloaded at LTpowerPlay.

For more details and instructions of the LTpowerPlay, see the LTpowerPlay GUI for LTP8802A-1B Quick Start Guide.

资料

DC3190B-F - Demo Manual (Rev.A)
2024/8/7