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TMP814 - 产品图解:
TMP814-风扇电机前置驱动器
TMP814-外围驱动器和传动器-其它接口-接口
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TI产品 - TMP814介绍
TMP814 - 风扇电机前置驱动器

TMP814是TI公司的一款外围驱动器和传动器产品,TMP814是风扇电机前置驱动器,本页介绍了TMP814的产品说明、应用、特性等,并给出了与TMP814相关的TI元器件型号供参考。

TMP814 - 风扇电机前置驱动器 - 外围驱动器和传动器 - 其它接口 - TI公司(Texas Instruments,德州仪器)

产品特性
  • Predriver for Single-Phase Full-Wave Drive
    • PNP-NMOS is Used as an External Power TR, Enabling High-Efficiency Low-Consumption Drive by Means of the Low-Saturation Output and Single-Phase Full-Wave Drive (PMOS-NMOS Also Applicable)
  • External PWM Input Enabling Variable Speed Control
    • Separately-Excited Upper Direct PWM (f = 25 kHz) Control Method, Enabling Highly Silent Speed Control
  • Compatible with 12-V, 24-V, and 48-V Power Supplies
  • Current Limiter Circuit Incorporated
    • Chopper Type Current Limit at Start
  • Reactive Current Cut Circuit Incorporated
    • Reactive Current Before Phase Change is Cut to Enable Silent and Low-Consumption Drive
  • Minimum Speed Setting Pin
    • Minimum Speed Can Be Set With External Resistor. Start Assistance Circuit Enables Start at Extremely Low Speed.
  • Constant-Voltage Output Pin for Hall Bias
  • Lock Protection and Automatic Reset Functions Incorporated
  • FG (Rotation Speed Detection) and RD (Lock Detection) Output
产品应用
  • Server Fans (Up to 48 V)
  • Appliance Fans (Up to 48 V)
产品说明

The TMP814 is a single-phase bipolar variable speed fan motor predriver that works with an external PWM signal. A highly efficient, quiet and low-power consumption motor driver circuit, with a large variable speed, can be implemented by adding a small number of external components.

This device is optimal for driving large scale fan motors (with large air volume and large current) such as those used in servers and consumer products.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
TMP814TSSOP (PW)4.40 mm x 6.50 mm
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