ADM1273

推荐用于新设计

High Voltage Positive Hot-Swap Controller and Digital Power Monitor with PMBus

产品技术资料帮助

ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许,也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。

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产品详情

  • Drop-in replacement to ADM1272 
  • Controls supply voltages from 16V to 80V (absolute maximum 120V)
  • High voltage (80V) IPC-9592 compliant packaging
  • <500ns response time to short circuit
  • FET energy monitoring for adaptable FET SOA protection
  • Gate boost mode for fast recovery from OC transients
  • Programmable random start mode to stagger power-on
  • FET fault detection
  • Remote temperature sensing with programmable warning and shutdown thresholds
  • Programmable 2.5mV to 30mV system current-limit setting range
  • ±0.85% accurate current measurement with 12-bit ADC
  • ILOAD, VIN, VOUT, temperature, power, and energy telemetry
  • Programmable start-up current limit
  • Programmable linear output voltage soft start
  • 1% accurate UV and OV thresholds
  • Programmable hot-swap restart function
  • 2 programmable GPIO pins
  • Reports power and energy consumption
  • Peak detect registers for current, voltage, and power
  • PMBus fast mode compliant interface
  • 48-lead, 7 mm × 8 mm LFCSP
ADM1273
High Voltage Positive Hot-Swap Controller and Digital Power Monitor with PMBus
ADM1273 Functional Block Diagram ADM1273  Pin Configuration ADM1273 Chip Illustration
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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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设计工具 1


评估套件

eval board
EVAL-ADM1273

Evaluating the ADM1273 High-Voltage Positive Hot-Swap Controller and Digital Power Monitor with PMBus

特性和优点

  • Fully functional evaluation board for the ADM1273
  • Populated with 54V, 30A, 1mF design
  • 40V undervoltage and 60V overvoltage settings
  • 120V absolute maximum
  • Flexible N-channel MOSFET footprint suits different packages
  • Up to 4 parallel MOSFETs, 2 parallel sense resistors
  • I2C/PMBus communication
  • MOSFET temperature measurement capability
  • LED indicated status outputs
  • Toggle and push-button switch for easy input control

产品详情

The EVAL-ADM1273-AZ is a full featured evaluation board for the ADM1273. The board layout provides a clear visual of all the peripheral components and the hot swap power path. The layout also maximizes the ability of the board to dissipate heat for some of the key components on the power path, allowing the evaluation of high-current hot-swap setups. The evaluation board is prepopulated and tested with a 54V, 30A hot-swap design capable of working with a 1mF output capacitor.

Two sense resistor footprints and four multipackage MOSFET footprints (two on the bottom side) provide great flexibility and allow a wide range of application setups. Multiple test points allow easy access to all critical points and pins. Six LEDs provide direct visual indication of board status such as supply input, output, GPIO1, GPIO2, power good, and fault.

The board supports PMBus™ communication with the ADM1273 and is fully compatible with the LTpowerPlay evaluation software. A USB-to-PMBus controller (DC1613A) is required to connect EVAL-ADM1273-AZ to a Windows-based computer running LTpowerPlay.

Complete specifications for the ADM1273 are available in the ADM1273 data sheet, which must be consulted in conjunction with this user guide when using the evaluation board.

EVAL-ADM1273
Evaluating the ADM1273 High-Voltage Positive Hot-Swap Controller and Digital Power Monitor with PMBus
EVAL-ADM1273-AZ Board Photo Angle View EVAL-ADM1273-AZ Board Photo Top View EVAL-ADM1273-AZ Board Photo Bottom View

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