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Smart high-side switch with adjustable current limit
electropages | Texas Instruments | 01/08/2020

The Texas Instruments TPS1HB16-Q1 device is a smart high-side switch designed for usage in 12V automotive systems. The device combines robust protection and diagnostic features to assure output port protection even through harmful events like short circuits in automotive systems. The device shields against faults through a reliable current limit, which, depending on device version, is adjustable from 4.4A to 49A. The high current limit range provides for usage in loads that need large transient currents, while the low current limit range offers improved protection for loads that do not need high peak current. The device can reliably drive an extensive range of load profiles.


The device also gives a high accuracy analog current sense that provides for improved load diagnostics. By reporting load current and device temperature to a system MCU, the device facilitates predictive maintenance and load diagnostics that improve the system lifetime.


The device is offered in an HTSSOP package which provides for reduced PCB footprint.

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