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TDZ8907

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TDZ8907

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產品詳細資料

Features Fast turn-on time, High-efficiency, Ultra-low shutdown current Haptic actuator type Piezo Input signal PWM Output voltage (max) (V) 15 Shutdown current (ISD) (µA) 0.01 Boost voltage (max) (V) 15 Vs (max) (V) 5.5 Vs (min) (V) 2.1 Operating temperature range (°C) -40 to 125 Rating Catalog
Features Fast turn-on time, High-efficiency, Ultra-low shutdown current Haptic actuator type Piezo Input signal PWM Output voltage (max) (V) 15 Shutdown current (ISD) (µA) 0.01 Boost voltage (max) (V) 15 Vs (max) (V) 5.5 Vs (min) (V) 2.1 Operating temperature range (°C) -40 to 125 Rating Catalog
WQFN (RFG) 10 4 mm² (2 mm × 2 mm)
  • Supply Voltage Range 2.5V1 to 5.5V
    • Compatible with alkaline, coin, CR, and lithium batteries
  • Integrated programmable boost converter, 11.5V or 15.5V with hardware pin control
  • 1uF Load Piezo Capacitance Support
  • 98% High-Efficiency Boost
  • 20Hz-70kHz DIN Input PWM Frequency Support
  • <1nA Ultra-Low Shutdown Current
  • <200µs Fast Wake-Up from DIN LO to HI
  • DIN Multi-functional Input Pin
    • Input PWM
    • Shutdown and Wake-Up control
    • 100ms shutdown hysteresis from DIN HI to LO
  • Additional Boost Load Supported with 33nF Load
    • Up to 80mA from 11.5V boost
    • Up to 50mA from 15.5V boost
  • External Boost Mode up to 10.2V
  • 2S Lithium Battery Support up to 10V
  • Thermal Shutdown Protection
  • Over-current Protection
  • Over-voltage Protection
  • Under-voltage Lockout Protection
  • Supply Voltage Range 2.5V1 to 5.5V
    • Compatible with alkaline, coin, CR, and lithium batteries
  • Integrated programmable boost converter, 11.5V or 15.5V with hardware pin control
  • 1uF Load Piezo Capacitance Support
  • 98% High-Efficiency Boost
  • 20Hz-70kHz DIN Input PWM Frequency Support
  • <1nA Ultra-Low Shutdown Current
  • <200µs Fast Wake-Up from DIN LO to HI
  • DIN Multi-functional Input Pin
    • Input PWM
    • Shutdown and Wake-Up control
    • 100ms shutdown hysteresis from DIN HI to LO
  • Additional Boost Load Supported with 33nF Load
    • Up to 80mA from 11.5V boost
    • Up to 50mA from 15.5V boost
  • External Boost Mode up to 10.2V
  • 2S Lithium Battery Support up to 10V
  • Thermal Shutdown Protection
  • Over-current Protection
  • Over-voltage Protection
  • Under-voltage Lockout Protection

The TDZ8907 is a low cost, compact, highly efficient, boosted piezoelectric driver optimized for space constrained and power sensitive applications. From a supply voltage down to 2.5V, TDZ8907 integrates a 2-level, programmable boost converter capable of generating 11.5V or 15.5V for volume control with a wide bandwidth differential output stage, making TDZ8907 an excellent choice for compact, battery operated designs such as building automation (fire safety, building security), appliances, smart trackers, and medical backup buzzers. TDZ8907’s simple to use design can easily generate audible alerts, beeps, buzzes, or tones in applications using piezo sounders up to 1uF.

The TDZ8907 supports an external input PWM signal for driving complementary output signals across a piezo element. The boost output can be used to supply 80mA current to external peripherals such as LEDs.

The integrated boost converter is designed for low-EMI and small footprint inductance of 1.0uH using a boost switching frequency of 1.8MHz.

The TDZ8907 is a low cost, compact, highly efficient, boosted piezoelectric driver optimized for space constrained and power sensitive applications. From a supply voltage down to 2.5V, TDZ8907 integrates a 2-level, programmable boost converter capable of generating 11.5V or 15.5V for volume control with a wide bandwidth differential output stage, making TDZ8907 an excellent choice for compact, battery operated designs such as building automation (fire safety, building security), appliances, smart trackers, and medical backup buzzers. TDZ8907’s simple to use design can easily generate audible alerts, beeps, buzzes, or tones in applications using piezo sounders up to 1uF.

The TDZ8907 supports an external input PWM signal for driving complementary output signals across a piezo element. The boost output can be used to supply 80mA current to external peripherals such as LEDs.

The integrated boost converter is designed for low-EMI and small footprint inductance of 1.0uH using a boost switching frequency of 1.8MHz.
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* 資料表 TDZ8907 PWM Input Piezo Sounder with Volume Control datasheet PDF | HTML 2026/10/9

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開發板

TDZ8907EVM — TDZ8907 評估模組

TDZ8907 評估模組 (EVM) 電路板旨在評估 TDZ8907，這是一款精巧型高效率升壓壓電驅動器，專為空間受限和功率敏感的應用而最佳化。TDZ8907 整合了低雜訊升壓轉換器和驅動器電路，可從低至 2.1V 的供應電壓產生高達 11V 或 15V 的峰值，讓此裝置成為建築自動化（消防安全、建築安全）及醫療備份蜂鳴器等電池供電設計的絕佳選擇。TDZ8907 的簡易設計可在設備應用中輕鬆產生嗶聲或蜂鳴聲。
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