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TPIC2040DBTRG4 Datasheet(PDF) 1 Page - Texas Instruments |
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TPIC2040DBTRG4 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 57 page  U SLED1 SPM Driver V W MCOM SLED1+ SLED1- SLED2 SLED2- SLED2+ TLT TLT+ TLT- FCS FCS- FCS+ TRK TRK+ TRK- LOAD LOAD- LOAD+ 5 V 5 V 5 V 5 V 5 V 5 V 5 V SPI 5 V TPIC2040 1PX V output 3.3 V LDO Control 5 V LIN9VG LINFB 9Vout Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPIC2040 SLIS172 – DECEMBER 2015 TPIC2040 Serial I/F Controlled 7-Channel Motor-Driver for ODD Drive 1 Features – Selectable OCP Threshold Level in CSW Output 1 • Serial Peripheral Interface (SPI) – Hardware Device Disable Pin XMUTE – Maximum Read/Write 35 MHz – Power Monitor by Undervoltage Lockout – 3.3-V Digital I/O (UVLO) and Overvoltage Protection (OVP) • Actuator and Motor Driver – PWM Control With H-Bridge Output 2 Applications – Focus / Tracking / Tilt Actuator Driver With 12- • DVD Player Bit DAC Control • CD Player – Sled Motor Drivers With Current Mode, 10-Bit • Optical Disk Drive DAC Control – Load Driver With 12-Bit DAC Control 3 Description – Capable End Position Sensing for Sled TPIC2040 is a very-low noise type motor driver IC Without Position Sensor suitable for slim or ultra-slim DVD reader/writer. This IC includes integrated current sense resistance that • Spindle Motor Driver measures SPM current and reduces drive system – Integrated Spindle Current Sense Resistor cost. The 7-channel driver IC controlled by serial I/F – Selectable Current Sense Resistor Value 0.27 is optimum for driving a spindle motor, a sled motor, to 0.20 Ω by Register Setting; Thereby, SPM a load motor, and Focus / Tracking / Tilt actuators. Current can be Restricted from 725 to 980 mA The spindle motor driver uses BEMF detection for sensorless startup and control of the spindle motor – Sensor-Less: Rotor Position Sense by Motor BEMF Device Information(1) – 12-Bit Spindle DAC Programmed Through PART NUMBER PACKAGE BODY SIZE (NOM) Serial Port TPIC2040DBT TSSOP (38) 9.70 mm × 4.40 mm – Self-Contained Inductive Position Sense and (1) For all available packages, see the orderable addendum at Startup the end of the data sheet. – Quick Stop by Automatic Controlled Brake Named Auto Short Brake (Short and Active Simplified Block Diagram Brake) – 0.7-A Maximum Continuous Current Excluding Thermal Issues – LS Mode: Restricted to 25% of Normal Speed • Utility Functions – XRESET Signal With Digital Delay (POR) 20 ms – Status Latch: Act Timer, SIF Error, PWR Monitor, Thermal Protection, and OCP Error • Switch – CSW: Software Control Current Output Port • LDO Pre-Driver – 1-Channel LDO Pre-Driver for 3.3-V or 1.2-V Output With External Transistor • Protection – Individual Thermal Protect Circuit on CSW, SPM, and Act Channel – Two Alert Levels: Pre-Detect and Detect in Thermal Protection – Overcurrent Protection Circuit in Load Driver 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. |
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