This document introduces the features of ADM1040 power supply monitoring chip, including monitoring multiple voltage rails, current, fan speed, temperature, etc.
The ADM1040 is a Power Supply Monitor ASIC designed to monitor multiple voltage rails, including bulk DC, op-amp supplies, and 5V supplies. It supports monitoring of voltage rails 1, 2, and 3 currents and provides up to three fan speed measurement channels. The device includes up to six general-purpose logic inputs and external temperature measurement capabilities with a remote diode or on-chip sensor.
| Monitored Voltage Rails | 240VA Limited |
|---|---|
| Fan Speed Measurement Channels | Up to 3 |
| General-Purpose Logic Inputs | Up to 6 |
| On-Chip Memory | 512 Bytes |
The device monitors multiple voltage rails with a limited capacity of 240VA.
The ASIC supports up to three separate channels for measuring fan speeds.