產品詳細資料

Input signal PWM Vout (max) (V) 40 Vs (min) (V) 5 Shutdown current (ISD) (µA) 1.5 Architecture Class-D, Fully Differential, Single-ended Bandwidth (typ) (MHz) 0.0002 Iq (typ) (mA) 7 Vs (max) (V) 3.6, 40 Rating Automotive Operating temperature range (°C) -40 to 125
Input signal PWM Vout (max) (V) 40 Vs (min) (V) 5 Shutdown current (ISD) (µA) 1.5 Architecture Class-D, Fully Differential, Single-ended Bandwidth (typ) (MHz) 0.0002 Iq (typ) (mA) 7 Vs (max) (V) 3.6, 40 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 (5V 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 (5V 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 (Rev. A) PDF | HTML 2025年 7月 16日

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開發板

ULC1001-DRV2911EVM — ULC1001 和 DRV2911 評估模組

ULC1001-DRV2911EVM 是一種超音波鏡頭清潔 (ULC) 評估模組(EVM),展示 ULC1001 DSP 控制器和 DRV2911 壓電式驅動器的車用級雙晶片解決方案。兩者搭配運作提供溫度偵測、鏡頭故障偵測和污染物偵測等功能,以進行自動清潔。此 EVM 提供 ULC 系統的電力部分,並可驅動各種機械設計,但此 EVM 不包含鏡頭系統。

TI 打造靈活的開放原始碼鏡頭蓋系統 (LCS) 設計,協助客戶學習及設計 ULC 技術。TI 提供如 LCS-FL-RNG15 等原型單元,可做為自訂設計的參考或 ULC EVM 的負載。

使用指南: PDF | HTML
開發板

ULC-HPB-DEMO — 2-MP 攝影機,帶有整合式超音波鏡頭清潔和迷你噴霧瓶

ULC-HPB-DEMO 是德州儀器與 HPB Optoelectronics 的合作產品,為超音波鏡頭清洗 (ULC) 打造一體化評估系統。示範套件由 HPB Optoelectronics 完成構建。此示範又稱為執行示範,非常簡單,無需專用軟體或額外硬體,即可開箱即用操作。整合式 2-MP 攝影機採用 USB 影片類 (UVC) 標準,提供隨插即用體驗。隨附的按鈕模組帶有 LED 狀態指示燈,提供了一種簡單的方法來評估水洗清潔、除冰和自動感應。系統使用標準 USB-A 和 USB-C 連線,可針對不同測試環境進行擴充。
使用指南: PDF | HTML
支援軟體

ULC-DESIGN Design resources for Ultrasonic Lens Cleaning

ULC1001 GUI and other design resources for Ultrasonic Lens Cleaning technology.
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產品
超音波清潔 IC
  • DRV2901 適用超音波清潔的單通道 PWM 輸入壓電式轉換器驅動器,並提供廣泛的供應電壓範圍
  • DRV2911-Q1 適用於超音波清潔的車用單通道 PWM 輸入壓電轉換器驅動器
  • ULC1001 適用超音波鏡頭清潔的可配置 DSP,具電流與電壓感測及 PWM 輸出
  • ULC1001-Q1 適用超音波鏡頭清潔的車用可配置 DSP,具電流與電壓感測
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