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http://www.ti.com/general/docs/suppproductinfo.tsp?distId=26&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftps1641″>View Datasheet
Texas Instruments TPS1641x Power and Current Limiting eFuse come with accurate power or current limit. The device provides robust protection with integrated overcurrent protection, overvoltage protection, IN to OUT short detection, and overtemperature protection. TPS16410 and TPS16411 devices provide ±5% power limiting at 15W for loads and offers configurable blanking time for transient overload or overcurrent events. TPS16410 and TPS16411 can be used for low power circuits (LPCs) for 15W power limiting as per IEC60335 and UL60730 standards. TPS1641x devices provide protection from adjacent pin short and pin short to GND faults.
Applications such as backplane power protection in PLC and DCS modules configure the current limit with a resistor on the ILIM pin. TPS16412 and TPS16413 devices provide ±6% current limiting at 1A for loads and these devices also provide output slew rate control with a dVdT pin to charge large capacitive loads at power up. The Texas Instruments TPS1641x features IN to OUT short detection. The device indicates IN to OUT short on the FLT pin. Either the FLT pin can be provided to MCU as digital input, or it can be used to drive an external PFET. The devices are characterized for operation over a junction temperature range of –40°C to +125°C.
