Powering the Next Generation of Semiconductor Test

Neptune (ISL55187)

The ISL55187 (Neptune Plus) is a highly integrated System-on-a-Chip pin electronics support solution incorporating two independent channels of:

  • PMU
  • DC Levels for the Pin Electronics
  • Resistive Load
  • The interface, the control, and the I/O are digital. All analog
circuitry is inside the chip. Two complete and independent channels are integrated into each chip. For most tester applications, except for the pin electronics, no additional analog hardware is required on a per pin basis.
neptune design
Features
  • Per Pin PMU
    • FV, FI, MV, MI
    • 8 Current Ranges (32mA, 8mA, 2mA, 512μA, 128μA,
      32μA, 8μA, 2μA)
    • FI Voltage Clamps
    • FV Current Clamps
    • On-Chip Current Ganging
    • Supports 64mA/Channel in FV Mode
  • On-Chip DC Levels
    • All PMU Levels Generated On-Chip
    • 13 Levels/Channel Brought Off-Chip
    • 16 Bits per Level
    • 16 Bit per Level Offset Correction
    • 16 Bit per Level Gain Corrective
  • Resistive Load
    • 8 Resistance Options
    • High Speed Real Time Control
  • External Force/Sense Switches On-Chip
  • 3-Bit Serial Port
  • Package/Power Dissipation
    • 56 Ld 8mmx8mm QFN with Exposed Heat Slug
    • Pdq ≤ 343mW/channel; Pdq ≤ 685mW/Chip (No Output Current)
    • Pdmax ≤ 700mW/Channel/Pdmax≤1.4W/Chip (Maximum Output Current)
Applications
  • 128 Lead, 14 mm X 20 mm, MQFP w/ Heat Slug
  • Pdq ≤ 500 mW / Channel; Pdq ≤ 4.0W / Chip

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