TPS4H000BQPWPRQ1

The TPS4H000-Q1 series are fully protected four-channel smart high-side switches with integrated 1000mΩ NMOS power FETs. The devices feature comprehensive diagnostic functions and high-accuracy current sensing for intelligent load control. The current limit threshold is externally adjustable to limit inrush or overload current, enhancing overall system reliability.

Applications

• Quad-channel LED driver
• Quad-channel high-side switch for sub-modules
• Quad-channel high-side relay driver

Key features

• Qualified for automotive applications with the following AEC-Q100 characteristics:
• Device temperature grade 1: ambient operating temperature range of -40°C to 125°C
• Device HBM ESD classification level H2
• Device CDM ESD classification level C4B
• Four-channel 1000mΩ smart high-side switch with extensive diagnostic features
• Version A: open-drain status output
• Version B: current sense analog output
• Wide operating voltage range: 3.4V to 40V
• Ultra-low standby current: <500nA
• High-accuracy current sensing: externally adjustable current limit via resistor, ±20% under load conditions >100mA
• Protection:
• Short-to-GND protection via (internal or external) current limiting
• Thermal shutdown with latch option and thermal regulation
• Inductive load negative voltage clamping with optimized slew rate
• Loss-of-ground and loss-of-power protection
• 20-pin thermally enhanced PWP package
• Diagnostics:
• Overcurrent and short-to-GND detection
• Open-load and short-to-battery detection
• Global fault flag for fast interrupt