Product
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TPS2HB16-Q1
  • TPS2HB16-Q1
  • TPS2HB16-Q1

TPS2HB16-Q1

ACTIVE

40-V, 16-mΩ, 2-ch automotive smart high-side switch with adjustable current limit

Texas Instruments TPS2HB16-Q1 Product Info

1 April 2026 2

Parameters

Number of channels

2

Rating

Automotive

Operating voltage (max) (V)

18

Operating voltage (min) (V)

6

Ron (typ) (mΩ)

16

Imax (A)

5

Current limit (max) (A)

48.5

Current limit (min) (A)

4.1

Current limit type

Adjustable

FET

Internal

Features

Current sense output, Current sense/monitor, Programmable current limit, Thermal shutdown, Under voltage lock out

Current limit accuracy

+30%/-35%

Current sense accuracy

+6%/-4% @ 1A

Operating temperature range (°C)

-40 to 125

Function

Adjustable current limit, Automotive load dump compatibility, Current monitoring, Inductive load compatibility, Inrush current control, Short circuit protection, Thermal shutdown

Package

HTSSOP (PWP)-16-32 mm² 5 x 6.4

Features

  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: TA = –40°C to
      125°C ambient operating temperature range
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C4B
    • Withstands 40-V load dump
  • Dual-channel smart high-side switch with 16-mΩ RON (TJ = 25°C)
  • Improve system level reliability through adjustable current limiting
    • Current limit adjustable from 4.1 A to 48.5 A and internally fixed at 60 A
  • Robust integrated output protection:
    • Integrated thermal protection
    • Protection against short to ground/battery
    • Protection against reverse battery events including automatic switch on with reverse voltage
    • Automatic shut off if loss of battery/ground occurs
    • Integrated output clamp to demagnetize inductive loads
    • Configurable fault handling
  • Analog sense output can be configured to accurately measure:
    • Load current
    • Device temperature
  • Provides fault indication through SNS pin
    • Detection of open load and short-to-battery
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: TA = –40°C to
      125°C ambient operating temperature range
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C4B
    • Withstands 40-V load dump
  • Dual-channel smart high-side switch with 16-mΩ RON (TJ = 25°C)
  • Improve system level reliability through adjustable current limiting
    • Current limit adjustable from 4.1 A to 48.5 A and internally fixed at 60 A
  • Robust integrated output protection:
    • Integrated thermal protection
    • Protection against short to ground/battery
    • Protection against reverse battery events including automatic switch on with reverse voltage
    • Automatic shut off if loss of battery/ground occurs
    • Integrated output clamp to demagnetize inductive loads
    • Configurable fault handling
  • Analog sense output can be configured to accurately measure:
    • Load current
    • Device temperature
  • Provides fault indication through SNS pin
    • Detection of open load and short-to-battery

Description

The TPS2HB16-Q1 device is a dual-channel smart high-side switch intended for use in 12-V automotive systems. The device integrates robust protection and diagnostic features to ensure output port protection even during harmful events like short circuits in automotive systems. The device protects against faults through a reliable current limit, which, depending on device variant, is adjustable from 4.1 A to 48.5 A. The TPS2HB16F-Q1 device is designed to be able to drive 2x35W, 2x27W, and 2x21W bulbs due to its high fixed current limit of 60A.

The high current limit range allows for usage in loads that require large transient currents, while the low current limit range provides improved protection for loads that do not require high peak current. The device is capable of reliably driving various load profiles.

The TPS2HB16-Q1 also provides a high accuracy analog current sense that allows for improved load diagnostics. By reporting load current and device temperature to a system MCU, the device enables predictive maintenance and load diagnostics that improves the system lifetime.

The TPS2HB16-Q1 is available in a HTSSOP package which allows for reduced PCB footprint.

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