ISL6150

Negative Voltage Hot Plug Controller

Product Status: Mass Production

OVERVIEW

The ISL6140 is an 8 Ld, negative voltage hot plug controller that allows a board to be safely inserted and removed from a live backplane. Inrush current is limited to a programmable value by controlling the gate voltage of an external N-channel pass transistor. The pass transistor is turned off if the input voltage is less than the undervoltage threshold, or greater than the overvoltage threshold. A programmable electronic circuit breaker protects the system against shorts. The active low PWRGD signal can be used to directly enable a power module (with a low enable input).

The ISL6150 is the same part, but with an active high PWRGD signal.

KEY FEATURES

    • Low Side External NFET Switch
    • Operates from -10V to -80V (-100V absolute max rating) or +10V to +80V (+100V absolute max rating)
    • Programmable Inrush Current
    • Programmable Electronic Circuit Breaker (overcurrent shutdown)
    • Programmable Overvoltage Protection
    • Programmable Undervoltage Lockout
    • Power Good Control Output
      - PWRGD Active High: (H Version) ISL6150
      - PWRGD active Low: (L Version) ISL6140
    • Pb-free available (RoHS compliant)

BLOCK DIAGRAM

 Block Diagram

PARAMETRICS

Parameters
ISL6150
Basic Information
Production Status
Mass Production
# of Outputs
1
Internal / External FET
Ext
VBIAS (min)
-80 V
VBIAS (max) (V)
-10
Controlled Voltages (V)
-10 to -80
Regulation or Latch-Off for Overcurrent
Latch-Off
Adjustable or Fixed OC VTH
Fixed
Adjustable Gate Ramp
Yes
Advanced Fault Protection
No
Reporting
PWRGD
System Management: System Resets, Power Indicators, Fault Detection
Yes
UV/OV Feature
UV/OV Lockout
Qualification Level
Standard
Bias Voltage Range (V)
-80 to -10
Temperature Range
-40 to +85