TPS274160 Series
36-V, 160-mΩ, 1.35-A, 4-ch, Industrial high-side switch with adjustable current limit
Manufacturer: Texas Instruments
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Key Features
• Quad-channel 160-mΩ smart high-side switchWide DC operating voltage range: 5 V to 36 V50-V absolute maximum voltageAccurate adjustable current limiting (250 mA to 4 A)Intelligent diagnostic featuresTPS274160A: Open-drain fault outputTPS274160B: Analog current senseOpen-load or short to supply detection in the off-stateRobust protection featuresShort-circuit protectionInductive load flyback clampUndervoltage lockout (UVLO) protectionLoss of GND protectionExcellent ESD protection on VS and OUT pins±8/±15 kV IEC 61000-4-2 ESD contact/air dischargeAvailable in small and 28-pin leadless QFN packagesFunctional Safety-CapableDocumentation available to aid functional safety system designQuad-channel 160-mΩ smart high-side switchWide DC operating voltage range: 5 V to 36 V50-V absolute maximum voltageAccurate adjustable current limiting (250 mA to 4 A)Intelligent diagnostic featuresTPS274160A: Open-drain fault outputTPS274160B: Analog current senseOpen-load or short to supply detection in the off-stateRobust protection featuresShort-circuit protectionInductive load flyback clampUndervoltage lockout (UVLO) protectionLoss of GND protectionExcellent ESD protection on VS and OUT pins±8/±15 kV IEC 61000-4-2 ESD contact/air dischargeAvailable in small and 28-pin leadless QFN packagesFunctional Safety-CapableDocumentation available to aid functional safety system design
Description
AI
The TPS274160 device is a smart high-side switch with four integrated 160-mΩ NMOS power FETs and a chargepump to drive the gates. The device offers robust protection and diagnostic features to drive various loads (inductive, capacitive, and resistive) such as low wattage bulbs, LEDs, relays, solenoids, heaters, and sub-modules. The part enables flexible, multi-channel output configurations through paralleling channels and is in a very small WQFN package to enable usage in space constrained applications.
The device is protected against short circuit events and over-temperature events, safely shutting off the output during fault events. The device also implements an external adjustable current limiting feature. This feature improves the reliability of the system by reducing inrush current when driving large capacitive loads and minimizing overload current thereby eliminating system supply brown out condition.
The device also integrates diagnostic features like output current monitoring (version B) and open load detection to enable improved intelligence in modules and to enable predictive maintenance functionality.
The TPS274160 device is a smart high-side switch with four integrated 160-mΩ NMOS power FETs and a chargepump to drive the gates. The device offers robust protection and diagnostic features to drive various loads (inductive, capacitive, and resistive) such as low wattage bulbs, LEDs, relays, solenoids, heaters, and sub-modules. The part enables flexible, multi-channel output configurations through paralleling channels and is in a very small WQFN package to enable usage in space constrained applications.
The device is protected against short circuit events and over-temperature events, safely shutting off the output during fault events. The device also implements an external adjustable current limiting feature. This feature improves the reliability of the system by reducing inrush current when driving large capacitive loads and minimizing overload current thereby eliminating system supply brown out condition.
The device also integrates diagnostic features like output current monitoring (version B) and open load detection to enable improved intelligence in modules and to enable predictive maintenance functionality.