ADM1266电源完整监控和排序解决方案

ADM1266电源完整监控和排序解决方案

ADM1266主要特性：

Complete supervisory and sequencing solution for up to 17 supplies

Expandable to 257 supplies with additional ADM1266 ICs connected to the 2-wire interdevice bus

Fully programmable sequencing engine

17 supply fault detectors enable real time supervision of supplies

0.4 V to 15 V on VH1 to VH4 （VHx）

0.4 V to 5 V on VP1 to VP13 （VPx）

Device powered by the higher of VH1 and VH2 inputs for improved operating redundancy

12-bit ADC for readback of all supervised voltages

Black box nonvolatile fault recording

16 PDIOs

9 GPIOs

9 voltage output 8-bit DACs allow voltage margining adjustment via dc-to-dc converter trim/feedback node

Main and backup memory

Industry standard PMBus interface compliant

Available in a 9 mm × 9 mm， 64-lead package

ADM1266应用：

Communications infrastructure

Industrial test and measurement

图1. ADM1266功能框图

图2. ADM1266详细功能框图

评估板ADM1266-EVALZ

评估板ADM1266-EVALZ主要特性：

Sequencing and supervision of 16 power supplies

Trim and margin functions for 9 power supplies

Automatic fault logging to internal EEPROM

Operates autonomously without additional software

PMBus interface supports all device related software

16 voltage references for input emulation

Switches and LEDs for signal emulation using GPIOs

评估板ADM1266-EVALZ 包括：

ADM1266 main evaluation board

ADM1266 POL evaluation board

图3. 评估板ADM1266-EVALZ外形图

表1. 评估板ADM1266-EVALZ中元件

图4. 评估板ADM1266-EVALZ主板电路图

图6. POL板电路图（1）

图7. POL板电路图（2）

评估板ADM1266-EVALZ材料清单：

图8.评估板ADM1266-EVALZ顶层丝印图

详情请见：

和

ADM1266.pdf

eval-adm1266-ug-1110.pdf

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