AAT4620 | PC Card Current Limit Interface And Capacitor Charger

The AAT4620 SmartSwitch is a Current Limited P-Channel MOSFET power Switch designed for high-side load-switching applications in PCMCIA GSM/GPRS/3G modem cards. Used in conjunction with a super capacitor, the AAT4620 will ensure that the power ratings of the PCMCIA host are not exceeded at any time. Featuring two independent, programmable current limits and a power loop, the AAT4620 CAN ensure that the super capacitor CAN be charged without exceeding PCMCIA specifications. The current limit is set by two external resistors allowing a 10% current limit accuracy over the normal operating temperature range. The Switch CAN be controlled from either of the two enable inputs and in the off condition will block currents in both directions. The AAT4620 also incorporates a System READY function which CAN advise the system that the super capacitor is fully charged and ready for use. Adjustable hysteresis
By Advanced Analogic Technologies, Inc.
AAT4620 's PackagesAAT4620 's pdf datasheet

AAT4620 Pinout, Pinouts
AAT4620 pinout,Pin out
This is one package pinout of AAT4620,If you need more pinouts please download AAT4620's pdf datasheet.

AAT4620 Application circuits
AAT4620 circuits
This is one application circuit of AAT4620,If you need more circuits,please download AAT4620's pdf datasheet.

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