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SI6924AEDQ Fiches technique(PDF) 1 Page - Vishay Siliconix |
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SI6924AEDQ Fiches technique(HTML) 1 Page - Vishay Siliconix |
1 / 12 page Vishay Siliconix Si6924AEDQ Document Number: 72215 S-81056-Rev. B, 12-May-08 www.vishay.com 1 N-Channel 2.5-V (G-S) Battery Switch, ESD Protection FEATURES • Halogen-free • Low RDS(on) •VGS Max Rating: 14 V • Exceeds 2 kV ESD Protection • 28 V VDS Rated • Symmetrical Voltage Blocking (Off Voltage) PRODUCT SUMMARY VDS (V) RDS(on) (Ω)ID (A) 28 0.033 at VGS = 4.5 V 4.6 0.038 at VGS = 3.0 V 4.3 0.042 at VGS = 2.5 V 4.1 DESCRIPTION The Si6924AEDQ is a dual N-Channel MOSFET with ESD protection and gate over-voltage protection circuitry incorporated into the MOSFET. The device is designed for use in Lithium Ion battery pack circuits. The common-drain construction takes advantage of the typical battery pack topology, allowing a further reduction of the device’s on- resistance. The 2-stage input protection circuit is a unique design, consisting of two stages of back-to-back zener diodes separated by a resistor. The first stage diode is designed to absorb most of the ESD energy. The second stage diode is designed to protect the gate from any remaining ESD energy and over-voltages above the gates inherent safe operating range. The series resistor used to limit the current through the second stage diode during over voltage conditions has a maximum value which limits the input current to ≤ 10 mA at 14 V and the maximum t off to 12 µs. The Si6924AEDQ has been optimized as a battery or load switch in Lithium Ion applications with the advantage of both a 2.5 V RDS(on) rating and a safe 14 V gate-to-source maximum rating. APPLICATION CIRCUITS Figure 1. Typical Use In a Lithium Ion Battery Pack Battery Protection Circuit ESD and Overvoltage Protection ESD and Overvoltage Protection *Thermal connection to drain pins is required to achieve specific performance Figure 2. Input ESD and Overvoltage Protection Circuit G R** S D **R typical value is 3.3 k Ω by design. See Typical Characteristics, Gate-Current vs. Gate-Source Voltage, Page 3. RoHS COMPLIANT |
Numéro de pièce similaire - SI6924AEDQ_08 |
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Description similaire - SI6924AEDQ_08 |
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