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2022-09-24 21:48:02
TPS2041BDBVR brand new original/integrated circuit/single-channel current-limiting power distribution switch
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The TPS20xxB Power Distribution Switches are suitable for applications where bulk loads and short circuits may be encountered. These devices consist of 70 m? N-channel power switches for power distribution systems that require multiple power switches in a single package. Each switch is controlled by a logic enable input. The gate drive is provided by an internal charge pump whose purpose is to control the rise and fall times of the power switch to reduce current fluctuations during switching. The charge pump requires no external components and allows operation from a 2.7V supply.
When the output load exceeds the current limit threshold or a short circuit occurs, the device reduces the over current (OCX) logic output by switching to constant current mode to limit the output current to a safe level. When successive heavy loads and short circuits increase the power dissipation of the switch, causing the junction temperature to rise, thermal protection circuitry shuts down the switch to prevent damage. Recovery from a thermal shutdown is automatic once the device has cooled sufficiently. Internal circuitry ensures that the switch remains closed until a valid input voltage exists. This power distribution switch is designed to set the current limit at 1A (typical).