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TDZ8907

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TDZ8907

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数据表 立即订购

产品详情

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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* 数据表 TDZ8907 Low-Cost, High-Efficiency, 31VPP Boosted Piezo Sounder/Actuator Driver with Volume Control 数据表 PDF | HTML 2026-10-9

设计与开发

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评估板

TDZ8907EVM — TDZ8907 评估模块

TDZ8907 评估模块 (EVM) 板旨用于评估 TDZ8907，这是一款紧凑型高效升压压电式驱动器，针对空间受限且对功率敏感的应用进行了优化。TDZ8907 集成了低噪声升压转换器和驱动器电路，能够在低至 2.1V 的电源电压下产生高达 11V 或 15V 的峰值电压，因此该器件非常适合楼宇自动化（消防安全、楼宇安防）和医疗备用蜂鸣器等电池供电设计。TDZ8907 的简单设计可以在电器应用中轻松产生蜂鸣声或嗡嗡声。
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