This document describes the features and characteristics of the ADM1178 Hot Swap Controller and Digital Power Monitor, including safe board insertion and removal, control of supply voltages from 3.15V to 16.5V, precision current and voltage readback, overcurrent interrupt, etc.
The ADM1178 is an integrated hot swap controller and current sense amplifier designed to allow safe board insertion and removal from a live backplane. It controls supply voltages ranging from 3.15 V to 16.5 V and features a precision current sense amplifier and voltage input. The device includes a 12-bit ADC for current and voltage readback communicated through an I2C interface.
| Operating Voltage Range | 3.15 V to 16.5 V |
|---|---|
| Supply Current | 1.7 mA (Typ) |
| ADC Resolution | 12-bit |
| Interface | I2C |
| Package Type | 10-lead MSOP |
| Operating Temperature Range | -40°C to +85°C |
| SCL Clock Frequency | 400 kHz |
The device controls supply voltages from 3.15 V to 16.5 V.
It uses a PC fast mode-compliant I2C interface with a maximum frequency of 400 kHz.
The ADM1178 is available in a 10-lead MSOP package.