TPS1H000AQDGNRQ1 40V 1Ω Automotive Smart High-Side Switch IC Chip with Adjustable Current Limit

TPS1H000 is a fully protected single-channel high-side power switch with an integrated 1000mΩ NMOS power FET.

An adjustable current limit improves system reliability by limiting the inrush or overload current. The high accuracy of the current limit improves overload protection, simplifying the front-stage power design. Configurable features besides current limit provide design flexibility in the areas of functionality, cost, and thermal dissipation.

• Qualified for automotive applications
• AEC-Q100 qualified with the following results:
  • Device temperature grade 1: -40°C to 125°C ambient operating temperature range
  • Device HBM ESD Classification Level H2
  • Device CDM ESD Classification Level C4B
• Single-channel 1000mΩ smart high-side switch
• Wide operating voltage: 3.4V to 40V
• Low standby current: <500nA
• Adjustable current limit with external resistor
  • ±15% When ≥150mA
  • ±10% When ≥300mA
• Configurable behavior after current limit
  • Holding mode
  • Latch-off mode with adjustable delay time
  • Auto-retry mode
• Supports standalone operation without an MCU
• Protection:
  • Short-to-GND and overload
  • Thermal shutdown and thermal swing
  • Negative voltage clamp for inductive loads
  • Loss-of-GND and loss-of-battery
• Diagnostics:
  • Overload and short-to-GND detection
  • Open-load and short-to-battery detection in ON or OFF State
  • Thermal shutdown and thermal swing

• Single-channel LED driver
• Single-channel high-side relay driver
• Body lighting
• Advanced driver assistance systems (ADAS) sensors
• General resistive, inductive, and capacitive loads