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DRV2911-Q1

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Einkanaliger piezoelektrischer Messwandlertreiber mit PWM-Eingang für die Ultraschallreinigung, für

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DRV2911-Q1

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Architecture Class-D, Fully Differential, Single-ended Input signal PWM Vs (min) (V) 5 Vs (max) (V) 3.6, 40 Vout (max) (V) 40 Iq (typ) (mA) 7 Bandwidth (typ) (MHz) 0.0002 Shutdown current (ISD) (µA) 1.5 Rating Automotive Operating temperature range (°C) -40 to 125
Architecture Class-D, Fully Differential, Single-ended Input signal PWM Vs (min) (V) 5 Vs (max) (V) 3.6, 40 Vout (max) (V) 40 Iq (typ) (mA) 7 Bandwidth (typ) (MHz) 0.0002 Shutdown current (ISD) (µA) 1.5 Rating Automotive Operating temperature range (°C) -40 to 125
VQFN (RGF) 40 35 mm² 7 x 5
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C ≤ TA ≤ 125°C
    • Wettable flank package
  • 2-Channel half bridge driver
    • PWM-inputs for each half bridge control
    • Overcurrent protection
    • Supports up to 200kHz PWM frequency
  • 5V to 35V operating voltage (40V abs max)
  • High output current capability: 8A Peak
  • Low MOSFET on-state resistance
    • 95mΩ (typ.) RDS(ON) (HS + LS) at TA = 25°C
  • Low power sleep mode
    • 2.5µA (max.) at VPVDD = 13.5V, TA = 25°C
  • Supports 1.8V, 3.3V, and 5V logic inputs
  • Built-in 3.3V, 30mA LDO regulator
  • Integrated protection features
    • Supply undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
    • Thermal warning and shutdown (OTW/OTSD)
    • Fault condition indication pin (FAULTZ)
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C ≤ TA ≤ 125°C
    • Wettable flank package
  • 2-Channel half bridge driver
    • PWM-inputs for each half bridge control
    • Overcurrent protection
    • Supports up to 200kHz PWM frequency
  • 5V to 35V operating voltage (40V abs max)
  • High output current capability: 8A Peak
  • Low MOSFET on-state resistance
    • 95mΩ (typ.) RDS(ON) (HS + LS) at TA = 25°C
  • Low power sleep mode
    • 2.5µA (max.) at VPVDD = 13.5V, TA = 25°C
  • Supports 1.8V, 3.3V, and 5V logic inputs
  • Built-in 3.3V, 30mA LDO regulator
  • Integrated protection features
    • Supply undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
    • Thermal warning and shutdown (OTW/OTSD)
    • Fault condition indication pin (FAULTZ)

DRV2911-Q1 integrates two H-bridges for driving piezo-based Lens Cover Systems, LCS, up to 40V absolute maximum capability while maintaining a very low RDS(ON) to reduce switching losses. DRV2911-Q1 integrates a power management LDO (3.3V / 30mA) and buck converter (5.0V to 5.7V, ≤200mA) that can be used to power external circuits like the Ultrasonic Lens Cleaning (ULC) controller, ULC1001.

Each output driver channel consists of N-channel power MOSFETs configured in a half-bridge configuration. Two independent PWM inputs drive each half-bridge. The DRV2911-Q1 includes a 30mA, 3.3V LDO regulator.

Several protection features including supply undervoltage lockout (UVLO), charge pump undervoltage (CPUV), overcurrent protection (OCP), over-temperature warning (OTW), and over-temperature shutdown (OTSD) are integrated into DRV2911-Q1 to protect the device and system against fault events. Fault conditions are indicated by the FAULTZ pin. The fault pin can also be tied to the controller device, like ULC1001-Q1, where a fault can be recognized over I2C.

DRV2911-Q1 integrates two H-bridges for driving piezo-based Lens Cover Systems, LCS, up to 40V absolute maximum capability while maintaining a very low RDS(ON) to reduce switching losses. DRV2911-Q1 integrates a power management LDO (3.3V / 30mA) and buck converter (5.0V to 5.7V, ≤200mA) that can be used to power external circuits like the Ultrasonic Lens Cleaning (ULC) controller, ULC1001.

Each output driver channel consists of N-channel power MOSFETs configured in a half-bridge configuration. Two independent PWM inputs drive each half-bridge. The DRV2911-Q1 includes a 30mA, 3.3V LDO regulator.

Several protection features including supply undervoltage lockout (UVLO), charge pump undervoltage (CPUV), overcurrent protection (OCP), over-temperature warning (OTW), and over-temperature shutdown (OTSD) are integrated into DRV2911-Q1 to protect the device and system against fault events. Fault conditions are indicated by the FAULTZ pin. The fault pin can also be tied to the controller device, like ULC1001-Q1, where a fault can be recognized over I2C.
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* Data sheet DRV2911-Q1 Full-Bridge PWM Input Piezo Driver for Ultrasonic Lens Cleaning datasheet PDF | HTML 25 Jun 2024

Design und Entwicklung

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Evaluierungsplatine

ULC1001-DRV2911EVM — Evaluierungsmodul für ULC1001 und DRV2911

Das ULC1001-DRV2911EVM ist ein Evaluierungsmodul (EVM) für die Ultraschalllinsenreinigung (ULC), das eine zwei-Chip-Lösung des DSP-Controllers ULC1001 und des Piezo-Treibers DRV2911 mit Automobileignung anbietet. Die beiden Komponenten arbeiten zusammen, um Funktionen zur Selbstreinigung mit (...)

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Evaluierungsplatine

ULC-HPB-DEMO — 2-MP camera with integrated ultrasonic lens cleaning and mini spray bottle

The ULC-HPB-DEMO is a collaboration between Texas Instruments and HPB Optoelectronics to create an all-in-one evaluation system for ultrasonic lens cleaning (ULC). The construction of the demonstration kit is completed by HPB Optoelectronics. Also known as the Executive Demo, this demo is simple (...)
Von: H.P.B. Optoelectronics Co., LTD.
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