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MAX1601

MAX1601

Dual-Channel Cardbus and PCMCIA Power Switches with SMBus Serial Interface

Handles 1A for 2 Slots without External Components, Tiny SSOP Package

Data Sheet
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Overview

Description

The MAX1601/MAX1604 DC power-switching ICs contain a network of low-resistance MOSFET switches that deliver selectable VCC and VP-P voltages to two CardBus or PC Card host sockets. Key features include ultra-low-resistance switches, small packaging, soft-switching action, and compliance with PCMCIA specifications for 3V/5V switching. 3.3V-only power switching for fast, 32-bit CardBus applications is supported in two ways: stiff, low-resistance 3.3V switches allow high 3.3V load currents (up to 1A); and completely independent internal charge pumps let the 3.3V switch operate normally, even if the +5V and +12V supplies are disconnected or turned off to conserve power. The internal charge pumps are regulating types that draw reduced input current when the VCC switches are static. Also, power consumption is automatically reduced to 10µA max when the switches are programmed to high-Z or GND states over the serial interface, unlike other solutions that may require a separate shutdown-control input.

Other key features include guaranteed specifications for output current limit level, and guaranteed specifications for output rise/fall times (in compliance with PCMCIA specifications). Reliability is enhanced by thermal-overload protection, accurate current limiting, an overcurrent-fault flag output, undervoltage lockout, and extra ESD protection at the VCC/VP-P outputs. The SMBus™ serial interface is flexible, and can tolerate logic input levels in excess of the positive supply rail.

The MAX1604 and MAX1601 are identical, except for the MAX1604's VY switch, which has roughly three-times the on-resistance (typically 140mΩ). The MAX1601/MAX1604 fit two complete CardBus/PCMCIA switches into a space-saving, narrow (0.2in. or 5mm wide) SSOP package.
MAX1601, MAX1604: Pin Configuration MAX1601, MAX1604: Pin Configuration Enlarge+

Key Features

  • Supports Two CardBus Sockets
  • 1A, 0.08Ω Max VY VCC Switch (MAX1601 only)
  • 1A, 0.14Ω Max VX VCC Switch
  • Soft Switching for Low Inrush Surge Current
  • Overcurrent Protection
  • Overcurrent/Thermal-Fault Flag Output
  • Thermal Shutdown at Tj = +150°C
  • Independent Internal Charge Pumps
  • Break-Before-Make Switching Action
  • 10µA Max Standby Supply Current
  • 5V and 12V Not Required for Low-RDS(ON) 3.3V Switching
  • Complies with PCMCIA 3V/5V Switching Specifications
  • Super-Small, 28-Pin SSOP Package (0.2in. or 5mm wide)
  • System Management Bus (SMBus) Serial Interface

Applications/Uses

  • Computers: Desktop, Workstation, Server
  • Data Logging
  • Digital Still Cameras
  • Docking Stations
  • Handy Terminals
  • Notebook Computers
  • PCMCIA Read/Write Drives
  • Printers

Design Resources

Quality and Environmental Data

Request Reliability Report for: MAX1601 
Lead-Free Package Tin (Sn) Whisker Reports

Quality And Environmental

Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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Events


Belle Isle 2020
05/29/2020 - 05/31/2020, Detroit, MI
2020 Detroit Grand Prix - Chevrolet Detroit Grand Prix presented by Lear Fast Facts The Chevrolet Detroit Grand Prix presented by Lear was hosted on Belle Isle, May 29 - 30 2020. The event featured the cars of the NTT IndyCar Series, the IMSA WeatherTech SportsCar Championship and the Trans Am Series presented by Pirelli. The weekend is collectively referred to as the Chevrolet Detroit Grand Prix presented by Lear and it once again featured the Chevrolet Dual in Detroit IndyCar doubleheader.

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