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Si6924EDQ Vishay Siliconix N-Channel 2.5-V (G-S) Battery Switch, ESD Protection PRODUCT SUMMARY VDS (V) rDS(on) (W) ID (A) 0.033 @ VGS = 4.5 V "4.6 28 0.038 @ VGS = 3.0 V "4.3 ESD Protected 0.042 @ VGS = 2.5 V "4.1 2000 V FEATURES D Low rDS(on) D rDS(on) Rating at 2.5-V VGS D VGS Max Rating: 14 V D 28-V VDS Rated D Exceeds 2-kV ESD Protection D Symetrical Voltage Blocking (Off Voltage) D Low Profile TSSOP-8 Package DESCRIPTION The Si6924EDQ is a dual n-channel MOSFET with ESD designed to protect the gate from any remaining ESD energy protection and gate over-voltage protection circuitry and over-voltages above the gates inherent safe operating incorporated into the MOSFET. The device is designed for use range. The series resistor used to limit the current through the in Lithium Ion battery pack circuits. The common-drain second stage diode during over voltage conditions has a contsruction takes advantage of the typical battery pack maximum value which limits the input current to v 10 mA @ topology, allowing a further reduction of the device's 14 V and the maximum toff to 12 ms. The Si6924EDQ has been on-resistance. The 2-stage input protection circuit is a unique optimized as a battery or load switch in Lithium Ion applications design, consisting of two stages of back-to-back zener diodes with the advantage of both a 2.5-V rDS(on) rating and a safe separated by a resistor. The first stage diode is designed to 14-V gate-to-source maximum rating. absorb most of the ESD energy. The second stage diode is APPLICATION CIRCUITS D ESD and ESD and R** Overvoltage Overvoltage Protection Protection G