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TPIC43T01 Datasheet(PDF) 1 Page - Texas Instruments |
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TPIC43T01 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 27 page TPIC43T01, TPIC43T02 THREE-PHASE BRUSHLESS MOTOR RPM CONTROLLERS SLIS098 – APRIL 2000 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Precision Phase Lock Loop Motor – RPM Control With Embedded DSP Filter Algorithm for Loop Compensation D EEPROM Registers for User Adjustment of PLL Loop Gain and DSP Filter Coefficients (Pole/Zero) D Crystal Oscillator With EEPROM Adjustable Divide-By for Versatile PLL Timebase D Standalone Operation With No Host Processor Needed D RPM Lock Detection/Reporting ( ±5% Window) D Synchronous Rectification, Enabled (TPIC43T01) Disabled (TPIC43T02) D Stalled Motor Timer/Shutdown D High-Side Current Limiting D High-Side Over-Current Shutdown D Differential Hall Effect Position Sensor Inputs/Decode Provide Commutation Control D Differential Variable Reluctance Speed Sensor Inputs D Gate Drive for Six External N-Channel Power FETs in Three Half-H Configuration D Charge Pump to Develop High-Side Gate Drive Voltage D 5 V Regulator – Designed for 10 mA External Current D 8 to 28 V Supply Voltage D Small Outline Surface-Mount Package description The TPIC43T01/02 is a monolithic motor control integrated circuit designed to provide RPM control to a 3-phase brushless dc motor. The device provides two analog sensor input ports which include a speed sensor interface and a Hall effect position interface. The speed feedback interface consists of an FG amplifier to receive an external sinusoidal signal from a variable reluctance pickup and convert it to a digital speed signal for the control circuit. When the motor speed is outside a ±5% window of the reference signal, an out-of-lock condition is declared. The Hall ffect sensor input section receives low-level differential voltages from external naked Hall elements and converts them to digital position reference signals for the control circuit for commutation control. The core of the control circuit implements a digital signal processing algorithm consisting of a digital integrator and filter with user adjustable parameters to optimize the closed loop performance of the control system. The device contains an internal EEPROM to set integrator gain and digital filter coefficients. In addition, Texas Instruments provides a PC based Windows ™ compatible software package to input the motor and system characteristics and convert them to control parameters for the TPIC43T01/02. The software generates a JEDEC compatible file to program the device through a third party device programmer. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 IN2+ IN2– IN3+ IN3– FGOUT FGIN– FGIN+ CLT CT RT OSC2 OSC1 VDD FGSOUT GND LD FSEL S/S F/R IN1– IN1+ TEST VPP PHA UGA LGA UGB PHB LGB LGC UGC PHC SENSE CP2 CP1 VCP PGND VCC DA PACKAGE (TOP VIEW) Copyright © 2000, Texas Instruments Incorporated Windows is a trademark of Microsoft Corporation. |
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