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TMP815 датащи(PDF) 1 Page - Texas Instruments |
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TMP815 датащи(HTML) 1 Page - Texas Instruments |
1 / 20 page TMP815 Vm Speed Setting Soft Start Lock Detection Speed Output Frequency Set Current Limit H+ H- Motor RF Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TMP815 SLDS153B – MAY 2009 – REVISED NOVEMBER 2015 TMP815 Variable-Speed Single-Phase Full-Wave Fan-Motor Predriver 1 1 Features • Single-Phase Full-Wave Driving Predriver • Rotation Speed Detection (FG) and Lock Detection (RD) Output – Low Saturation Drive Using External P-channel • Thermal Shutdown Circuit Incorporated Devices at Top and N-channel Devices in Bottom in H-bridge Configuration Enables 2 Applications High-Efficiency Low-Power Consumption Drive • Variable Speed Control Possible With External • Server Fans PWM Input • Appliance Fans – Separately Excited Upper Direct PWM (f = 30 kHz) Control Method Ensures Quiet Speed 3 Description Control The TMP815 device is a single-phase bipolar driving motor predriver with a variable-speed function that is • Current Limiter Circuit Incorporated compatible with an external PWM signal. A highly – Chopper Type Current Limiting Made at Start- efficient and quiet variable-drive fan motor with low- up and During Lock power consumption can be achieved with few • Reactive Current Cut Circuit Incorporated external parts. – Reactive Current Before Phase Change Is Cut This device is best suited for driving of the servers to Enable Silent and Low-Consumption Drive requiring large air flow and large current or the fan • Minimum-Speed Setting Pin motors of consumer appliances. – Minimum Speed Can be Set With External Device Information (1) Resistor PART NUMBER PACKAGE BODY SIZE (NOM) • Soft-Start Setting Pin TMP815 TSSOP (PW) 4.40 mm × 5.00 mm • Lock Protection and Automatic Reset Circuits (1) For all available packages, see the orderable addendum at Incorporated the end of the data sheet. Simplified Schematic 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
Аналогичный номер детали - TMP815_15 |
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Аналогичное описание - TMP815_15 |
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