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TPS1214-Q1

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Automotive, high-side switch controller with low-Iq, low power, load wakeup, I²t and diagnostics

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Data sheet

TPS1214-Q1

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Data sheet Order now

Product details

Operating voltage (max) (V) 60 Operating voltage (min) (V) 3.5 IGate sink (typ) (A) 2 IGate source (typ) (A) 2 Current sense accuracy +/-2% at 30-mV VSNS Short-circuit protection response time (µs) 6 Features AEC-Q100 Automotive Qual, Adjustable current limit, Automatic load wake-up, Automotive load dump compatibility, Current monitoring, Over Temperature Protection, Precharge FET driver, Short circuit protection Operating temperature range (°C) -40 to 125 Rating Automotive
Operating voltage (max) (V) 60 Operating voltage (min) (V) 3.5 IGate sink (typ) (A) 2 IGate source (typ) (A) 2 Current sense accuracy +/-2% at 30-mV VSNS Short-circuit protection response time (µs) 6 Features AEC-Q100 Automotive Qual, Adjustable current limit, Automatic load wake-up, Automotive load dump compatibility, Current monitoring, Over Temperature Protection, Precharge FET driver, Short circuit protection Operating temperature range (°C) -40 to 125 Rating Automotive
VQFN (RGE) 23 16 mm² 4 x 4

  • AEC-Q100 automotive qualified for grade 1 temperature
  • 3.5V to 73V input range (74V absolute maximum)
  • Reverse input protection down to –65V
    • TPS12141-Q1 with reverse FET ON (–45V)
  • Integrated 12V charge pump
  • Low IQ = 20µA in low power mode (LPM = Low)
  • 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)
  • Accurate and fast (5µs) short-circuit protection
  • Fast transition (5µs) from low power mode to active mode using adjustable load wakeup threshold or LPM trigger with WAKE indication
  • Accurate analog current monitor output (IMON): ±2% at 30mV VSNS
  • 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), TPS12143-Q1 (RPP turn ON) with I2t disabled
  • Accurate and adjustable undervoltage lockout (UVLO)
  • Short-circuit comparator diagnosis (SCP_TEST)

  • AEC-Q100 automotive qualified for grade 1 temperature
  • 3.5V to 73V input range (74V absolute maximum)
  • Reverse input protection down to –65V
    • TPS12141-Q1 with reverse FET ON (–45V)
  • Integrated 12V charge pump
  • Low IQ = 20µA in low power mode (LPM = Low)
  • 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)
  • Accurate and fast (5µs) short-circuit protection
  • Fast transition (5µs) from low power mode to active mode using adjustable load wakeup threshold or LPM trigger with WAKE indication
  • Accurate analog current monitor output (IMON): ±2% at 30mV VSNS
  • 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), TPS12143-Q1 (RPP turn ON) with I2t disabled
  • Accurate and adjustable undervoltage lockout (UVLO)
  • Short-circuit comparator diagnosis (SCP_TEST)

TPS1214-Q1 is a family of low IQ smart high side drivers with protection and diagnostics. With wide operating voltage range of 3.5V to 73V and a 74V absolute maximum rating the device is suitable for 12V, 24V, and 48V automotive system designs.

It has two integrated gate drives with 0.5A source and 2A sink (GATE) and 100µA source and 0.39A sink (G). With LPM Low, the low power path is kept ON and the main FETs are turned OFF with IQ of 20µA (typ). Auto load wakeup threshold adjusted using RBYPASS resistor placed across CS2+ and CS2–. IQ reduces to 1µA (typ) with EN/UVLO low.

The device has accurate current sensing (±2%) output (IMON) with adjustable I2t based overcurrent and short circuit protection using an external RSNS resistor and FLT indication. Auto-retry and latch-off fault behavior can be configured. The device also has NTC based temperature sensing (TMP) and monitoring output (ITMPO) output for overtemperature detection of external FETs.

The TPS1214-Q1 is available in 23-pin VQFN package.

TPS1214-Q1 is a family of low IQ smart high side drivers with protection and diagnostics. With wide operating voltage range of 3.5V to 73V and a 74V absolute maximum rating the device is suitable for 12V, 24V, and 48V automotive system designs.

It has two integrated gate drives with 0.5A source and 2A sink (GATE) and 100µA source and 0.39A sink (G). With LPM Low, the low power path is kept ON and the main FETs are turned OFF with IQ of 20µA (typ). Auto load wakeup threshold adjusted using RBYPASS resistor placed across CS2+ and CS2–. IQ reduces to 1µA (typ) with EN/UVLO low.

The device has accurate current sensing (±2%) output (IMON) with adjustable I2t based overcurrent and short circuit protection using an external RSNS resistor and FLT indication. Auto-retry and latch-off fault behavior can be configured. The device also has NTC based temperature sensing (TMP) and monitoring output (ITMPO) output for overtemperature detection of external FETs.

The TPS1214-Q1 is available in 23-pin VQFN package.
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* Data sheet TPS1214-Q1 Low IQ Automotive High Side Switch Controller With Low Power Mode, Load Wakeup, I2 t, and Diagnostics datasheet PDF | HTML 24 Sep 2024
Functional safety information TPS1214-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 24 Sep 2024
EVM User's guide TPS1214-Q1 Evaluation Module for Smart High-Side Driver User's Guide PDF | HTML 06 Sep 2024

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TPS1214Q1EVM — TPS1214x-Q1 evaluation module

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