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TPS4816-Q1

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TPS4816-Q1

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Produktdetails

FET External Number of channels 1 Rating Automotive Operating voltage (max) (V) 100 Operating voltage (min) (V) 3.5 Control interface GPIO Features Current monitoring, Current sense/monitor, Fault Diagnostic, High-side RSNS, I2T, MOSFET Gate Driver, Over Voltage Protection, Overcurrent protection with adjustable delay, Overtemperature protection, Precharge FET driver, Reverse polarity protection, Second Gate Drive, Short circuit protection, Under voltage lock out Current sense accuracy +/-2% at 30-mV VSNS Operating temperature range (°C) -40 to 125
FET External Number of channels 1 Rating Automotive Operating voltage (max) (V) 100 Operating voltage (min) (V) 3.5 Control interface GPIO Features Current monitoring, Current sense/monitor, Fault Diagnostic, High-side RSNS, I2T, MOSFET Gate Driver, Over Voltage Protection, Overcurrent protection with adjustable delay, Overtemperature protection, Precharge FET driver, Reverse polarity protection, Second Gate Drive, Short circuit protection, Under voltage lock out Current sense accuracy +/-2% at 30-mV VSNS Operating temperature range (°C) -40 to 125
VQFN (RGE) 23 16 mm² (4 mm × 4 mm)

  • AEC-Q100 automotive qualified for grade 1 temperature
  • 3.5V to 95V input range (100V absolute maximum)
  • Reverse input and output protection down to –60V
  • Integrated 12V charge pump
  • Low 1µA shutdown current (EN/UVLO = Low)
  • Dual gate drive: GATE = 0.5A src/2A sink, G = 100µA src/0.39A sink
  • Integrated pre-charge switch driver (INP_G) to drive capacitive loads
  • Accurate I2t overcurrent protection (IOC) with adjustable circuit breaker timer (I2t)
  • Accurate (±5%) and fast (5µs) short-circuit protection
  • Accurate analog bi-directional current monitor output (IMON, I_DIR): ±2% at 30mV VSNS
  • NTC based overtemperature sensing (TMP) and monitoring output (ITMPO)
  • Fault indication (FLT) during short circuit fault, I2t, charge pump UVLO, OV, overtemperature
  • TPS48160-Q1 (I2t enabled), TPS48161-Q1 (I2t disabled)
  • Accurate (±2%) and adjustable undervoltage lockout (UVLO) and overvoltage protection (OV)

  • AEC-Q100 automotive qualified for grade 1 temperature
  • 3.5V to 95V input range (100V absolute maximum)
  • Reverse input and output protection down to –60V
  • Integrated 12V charge pump
  • Low 1µA shutdown current (EN/UVLO = Low)
  • Dual gate drive: GATE = 0.5A src/2A sink, G = 100µA src/0.39A sink
  • Integrated pre-charge switch driver (INP_G) to drive capacitive loads
  • Accurate I2t overcurrent protection (IOC) with adjustable circuit breaker timer (I2t)
  • Accurate (±5%) and fast (5µs) short-circuit protection
  • Accurate analog bi-directional current monitor output (IMON, I_DIR): ±2% at 30mV VSNS
  • NTC based overtemperature sensing (TMP) and monitoring output (ITMPO)
  • Fault indication (FLT) during short circuit fault, I2t, charge pump UVLO, OV, overtemperature
  • TPS48160-Q1 (I2t enabled), TPS48161-Q1 (I2t disabled)
  • Accurate (±2%) and adjustable undervoltage lockout (UVLO) and overvoltage protection (OV)

TPS4816-Q1 is a family of low IQ smart high side drivers with protection and diagnostics. With wide operating voltage range of 3.5V to 95V, (100V absolute-maximum rating) the device is suitable for 12V, 24V, and 48V automotive system designs.

The device has a strong 0.5A peak source and 2A peak sink GATE driver that enables power switching using parallel FETs in high current system designs. Use INP as the gate driver control input. MOSFET slew rate control (ON and OFF) is possible by placing external R-C components.

It also integrates a pre-charge driver (G) with control input (INP_G). This features enables designs that must drive large capacitive loads. In shutdown mode, the controller draws a total shutdown current of 1µA at 48V supply input.

The device has accurate bi-directional current sensing (±2%) output (IMON, I_DIR) with adjustable I2t based overcurrent and short circuit protection (±5%) 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.

TPS4816-Q1 is available in a 23-pin VQFN package.

TPS4816-Q1 is a family of low IQ smart high side drivers with protection and diagnostics. With wide operating voltage range of 3.5V to 95V, (100V absolute-maximum rating) the device is suitable for 12V, 24V, and 48V automotive system designs.

The device has a strong 0.5A peak source and 2A peak sink GATE driver that enables power switching using parallel FETs in high current system designs. Use INP as the gate driver control input. MOSFET slew rate control (ON and OFF) is possible by placing external R-C components.

It also integrates a pre-charge driver (G) with control input (INP_G). This features enables designs that must drive large capacitive loads. In shutdown mode, the controller draws a total shutdown current of 1µA at 48V supply input.

The device has accurate bi-directional current sensing (±2%) output (IMON, I_DIR) with adjustable I2t based overcurrent and short circuit protection (±5%) 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.

TPS4816-Q1 is available in a 23-pin VQFN package.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt TPS4816-Q1 100V Low IQ Automotive High-Side Switch Controller With Bi-directional IMON, I2t, OV, and Diagnostics datasheet PDF | HTML 27.05.2025
Anwendungshinweis Basics of High-Side Switches and Controllers PDF | HTML 31.03.2026

Design und Entwicklung

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Berechnungstool

TPS4816-Q1-CALC — TPS4816-Q1 design calculator

The design calculator allows customer to size the external peripheral components while designing with the TPS4816-Q1 controller.
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