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TMP816 Folha de dados(PDF) 1 Page - Texas Instruments |
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TMP816 Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 20 page TMP816 Vm Speed Setting SS Lock Detection Speed Output Frequency Set Current Limit H+ H- RF Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TMP816 SLVS787A – MAY 2009 – REVISED JUNE 2015 TMP816 Variable-Speed Single-Phase Full-Wave Fan-Motor Predriver 1 1 Features • Predriver for Single-Phase Full-Wave Drive • Rotation Speed Detection (FG) and Lock Detection (RD) Outputs – PNP-NMOS is used as an external power TR, enabling high-efficiency low-consumption drive 2 Applications by means of the low-saturation output and single-phase full-wave drive. (PMOS-NMOS • Server Fans also applicable) • Appliance Fans • External PWM Input Enables Variable-Speed Control 3 Description – Separately-excited upper direct PWM The TMP816 is a single-phase bipolar variable-speed fan-motor predriver that works with an external PWM (f = 25 kHz) control method, enabling highly signal. A highly efficient, quiet, and low-power silent speed control consumption motor driver circuit with a large variable • Current Limiter Circuit speed can be implemented by adding a small number – Chopper-type current limit at start of external components. • Reactive Current-Cut Circuit The TMP816 device is optimal for driving large-scale – Reactive current before phase change is cut to fan motors (with large air volume and large current) enable silent and low-consumption drive such as those used in servers and consumer products. • Minimum Speed Setting Pin – Minimum speed can be set with external Device Information(1) resistor. The start assistance circuit enables PART NUMBER PACKAGE BODY SIZE (NOM) start at extremely low speed. TMP816 TSSOP (PW) 4.40 mm × 6.50 mm • Constant-Voltage Output Pin for Hall Bias (1) For all available packages, see the orderable addendum at • Lock Protection and Automatic Reset Functions 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. |
Nº de peça semelhante - TMP816 |
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Descrição semelhante - TMP816 |
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