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DRV8161

AKTIV

Intelligenter Halbbrücken-Gate-Treiber für die Automobilindustrie, ax. 105 V, mit einzelnem Strommes

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Datenblatt

DRV8161

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Rating Catalog Architecture Gate driver Vs (min) (V) 8 Vs ABS (max) (V) 115 Features 1x low side current sense Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety Quality-Managed
Rating Catalog Architecture Gate driver Vs (min) (V) 8 Vs ABS (max) (V) 115 Features 1x low side current sense Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety Quality-Managed
VSSOP (DGS) 20 24.99 mm² (5.1 mm × 4.9 mm)
  • Drives two N-channel MOSFETs in half-bridge configuration
    • High-side MOSFET source/drain up to 102V (absolute max)
    • 8V (5V DRV8162L) to 20V gate drive power supply
    • Integrated bootstrap diode
  • Functional Safety Quality-Managed
    • Documentation available to aid functional safety system design
  • Supports 100% PWM duty cycle with an integrated trickle charge pump
  • 16-level gate drive peak current
    • 16mA - 1000mA source current
    • 32mA - 2000mA sink current
    • Source-sink current ratio 1:1, 1:2, 1:3
  • Adjustable PWM dead time insertion 20ns - 900ns
  • Robust design for motor phase (SH) switching
    • Slew rate 50V/ns
    • Negative transient voltage -20V
    • 2A strong gate pull down
  • Split gate drive supply inputs for redundant shutdown (DRV8162, DRV8162L)
  • Low-offset current sense amplifier (DRV8161)
    • Adjustable gain (5, 10, 20, 40V/V)
  • Flexible PWM control interface; 2-pin PWM, 1-pin PWM, and independent PWM mode
  • 13-level VDS over current threshold
  • Independent shutdown pin (nDRVOFF)
  • Gate driver soft shutdown sequence
  • Integrated protection features
    • GVDD under voltage (GVDDUV)
    • Bootstrap under voltage (BST_UV)
    • MOSFET over current protection (VDS)
    • Shoot through protection
    • Thermal shutdown (OTSD)
    • Fault condition indicator (nFAULT)
  • Supports 3.3V, and 5V Logic Inputs
  • Drives two N-channel MOSFETs in half-bridge configuration
    • High-side MOSFET source/drain up to 102V (absolute max)
    • 8V (5V DRV8162L) to 20V gate drive power supply
    • Integrated bootstrap diode
  • Functional Safety Quality-Managed
    • Documentation available to aid functional safety system design
  • Supports 100% PWM duty cycle with an integrated trickle charge pump
  • 16-level gate drive peak current
    • 16mA - 1000mA source current
    • 32mA - 2000mA sink current
    • Source-sink current ratio 1:1, 1:2, 1:3
  • Adjustable PWM dead time insertion 20ns - 900ns
  • Robust design for motor phase (SH) switching
    • Slew rate 50V/ns
    • Negative transient voltage -20V
    • 2A strong gate pull down
  • Split gate drive supply inputs for redundant shutdown (DRV8162, DRV8162L)
  • Low-offset current sense amplifier (DRV8161)
    • Adjustable gain (5, 10, 20, 40V/V)
  • Flexible PWM control interface; 2-pin PWM, 1-pin PWM, and independent PWM mode
  • 13-level VDS over current threshold
  • Independent shutdown pin (nDRVOFF)
  • Gate driver soft shutdown sequence
  • Integrated protection features
    • GVDD under voltage (GVDDUV)
    • Bootstrap under voltage (BST_UV)
    • MOSFET over current protection (VDS)
    • Shoot through protection
    • Thermal shutdown (OTSD)
    • Fault condition indicator (nFAULT)
  • Supports 3.3V, and 5V Logic Inputs

The DRV816x devices are half-bridge gate drivers capable of driving high-side and low-side N-channel MOSFETs. The gate drive voltages are generated from the GVDD supply pin and the integrated bootstrap circuit is used to drive the high-side FET up to 102V drain. The Smart Gate Drive architecture supports 16-level (48 combination) gate drive peak current up to 1A source and 2A sink, and a built-in timing control of gate drive current. The devices can be used to drive various types of loads including brushless/brushed DC motors, PMSM, stepper motors, SRM, and solenoids.

Internal protection functions are provided for supply undervoltage, FET over-current, and die over temperature. The nFAULT pin indicates fault events detected by the protection features. The nDRVOFF pin initiates power stage shutdown independent from PWM control. The DRV8162 and DRV8162L devices offer split power supply architecture to assist safe torque off (STO) function.

Many device parameters including gate drive current, dead time, PWM control interface, and over current detection are configurable with a few passive components connected to device pins. An integrated low-side current sense amplifier (DRV8161) provides current measurement information back to the controller.

The DRV816x devices are half-bridge gate drivers capable of driving high-side and low-side N-channel MOSFETs. The gate drive voltages are generated from the GVDD supply pin and the integrated bootstrap circuit is used to drive the high-side FET up to 102V drain. The Smart Gate Drive architecture supports 16-level (48 combination) gate drive peak current up to 1A source and 2A sink, and a built-in timing control of gate drive current. The devices can be used to drive various types of loads including brushless/brushed DC motors, PMSM, stepper motors, SRM, and solenoids.

Internal protection functions are provided for supply undervoltage, FET over-current, and die over temperature. The nFAULT pin indicates fault events detected by the protection features. The nDRVOFF pin initiates power stage shutdown independent from PWM control. The DRV8162 and DRV8162L devices offer split power supply architecture to assist safe torque off (STO) function.

Many device parameters including gate drive current, dead time, PWM control interface, and over current detection are configurable with a few passive components connected to device pins. An integrated low-side current sense amplifier (DRV8161) provides current measurement information back to the controller.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt DRV816x 100V Half-Bridge Smart Gate Driver with Integrated Protection and Current Sense Amplifier datasheet (Rev. C) PDF | HTML 18.02.2025
Technischer Artikel Von kollaborativen Robotern bis zu humanoiden Robotern: Mehr Systemeffizienz und Sicherheit für Roboter mit hö PDF | HTML 30.04.2026
Application brief Understanding Gate Driver Slew Rate Control, MOSFET Switching Optimization and Protection Features (Rev. A) PDF | HTML 11.12.2025
Anwendungshinweis Relating Payload to Brushless DC Motor Driver Specifications PDF | HTML 02.12.2024
Anwendungshinweis Three-Phase vs Three-Single Half-Bridge Gate Drivers PDF | HTML 24.11.2024

Design und Entwicklung

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Evaluierungsplatine

DRV8161EVM — DRV8161 – Evaluierungsmodul

Das Evaluierungsmodul (EVM) DRV8161 ist eine dreiphasige bürstenlose Gleichstrom-Ansteuerungsstufe 30 A mit drei DRV8161-Gate-Treibern zum Antrieb von BLDC-Motoren. Das EVM ermöglicht eine schnelle Evaluierung des DRV8161, der einen BLDC-Motor mit trapezförmiger Kommutierung antreibt.
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