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Texas Instruments TPS1214-Q1 Automotive High Side Switch Controllers

Texas Instruments TPS1214-Q1 Automotive High Side Switch Controllers are a family of low IQ smart high-side drivers with protection, low-power mode, load wakeup, I2t, and diagnostics. These controllers include a 3.5V to 73V input range and a 74V absolute maximum rating suitable for designs for 12V, 24V, and 48V automotive systems. The TPS1214-Q1 switch controllers feature dual integrated gate drives with 0.5A source and 2A sink (GATE) and 100μA source and 0.39A sink (G). These controllers include ±2% accurate current sensing output (IMON) with adjustable I2t based overcurrent and short circuit protection. The TPS1214-Q1 devices are AEC-Q100 qualified for automotive applications. These controllers are available in 4mm x 4mm 23-pin VQFN package. Typical applications include a power distribution box, body control mode module, DC/DC converter, and battery management system.

Features

  • AEC-Q100 automotive qualified for grade 1 temperature
  • 3.5V to 73V (74V absolute maximum) input voltage range
  • -65V reverse input protection
  • TPS12141-Q1 with reverse FET ON (-45V)
  • 12V integrated charge pump
  • Low IQ = 20µA in low-power mode
  • Low 1µA shutdown current (EN/UVLO = low)
  • Dual gate drive:
    • GATE: 0.5A source and 2A sink
    • G: 100μA source and 0.39A sink
  • Accurate I2t overcurrent protection (IOC) with adjustable circuit breaker timer (I2t)
  • 5µs accurate and fast short-circuit protection
  • ±2% at 30mV VSNS accurate analog current monitor output (IMON)
  • NTC-based overtemperature sensing (TMP) and monitoring output (ITMPO)
  • Fault indication (FLT) during short circuit fault, I2t, charge pump UVLO
  • TPS12142-Q1 (RPP turn OFF) and TPS12143-Q1 (RPP turn ON) with I2t disabled
  • Accurate and adjustable Undervoltage Lockout (UVLO)
  • Short-circuit comparator diagnosis (SCP_TEST)

Applications

  • Power distribution box
  • Body control module
  • DC/DC converter
  • Battery management system

Functional Block Diagram

Block Diagram - Texas Instruments TPS1214-Q1 Automotive High Side Switch Controllers

Application Circuit Diagram

Application Circuit Diagram - Texas Instruments TPS1214-Q1 Automotive High Side Switch Controllers

Configurable Current vs Time Characteristics Curve

Performance Graph - Texas Instruments TPS1214-Q1 Automotive High Side Switch Controllers

Development Tool

Texas Instruments TPS1214Q1EVM Driver Evaluation Module (EVM)

This module allows reference circuit evaluation of the TPS1214-Q1, a smart high-side driver.

Learn Moreabout Texas Instruments TPS1214Q1EVM Driver Evaluation Module (EVM) View Productsrelated to Texas Instruments TPS1214Q1EVM Driver Evaluation Module (EVM)
Published: 2025-01-23 | Updated: 2025-04-14