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TPIC43T02

更新时间： 2024-11-28 22:42:03
品牌 Logo 应用领域
德州仪器 - TI 电机
页数 文件大小 规格书
27页 377K
描述
THREE-PHASE BRUSHLESS MOTOR RPM CONTROLLERS

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TPIC43T02 数据手册

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TPIC43T01, TPIC43T02  
THREE-PHASE BRUSHLESS MOTOR RPM CONTROLLERS  
SLIS098 – APRIL 2000  
Precision Phase Lock Loop Motor – RPM  
Control With Embedded DSP Filter  
Algorithm for Loop Compensation  
5 V Regulator – Designed for 10 mA  
External Current  
8 to 28 V Supply Voltage  
EEPROM Registers for User Adjustment of  
PLL Loop Gain and DSP Filter Coefficients  
(Pole/Zero)  
Small Outline Surface-Mount Package  
DA PACKAGE  
(TOP VIEW)  
Crystal Oscillator With EEPROM Adjustable  
Divide-By for Versatile PLL Timebase  
IN2+  
IN2–  
IN1–  
IN1+  
TEST  
Standalone Operation With No Host  
Processor Needed  
1
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
2
IN3+  
3
RPM Lock Detection/Reporting  
(±5% Window)  
IN3–  
V
4
PP  
FGOUT  
FGIN–  
FGIN+  
CLT  
PHA  
UGA  
LGA  
UGB  
PHB  
LGB  
LGC  
UGC  
PHC  
SENSE  
CP2  
5
Synchronous Rectification,  
Enabled (TPIC43T01)  
Disabled (TPIC43T02)  
6
7
8
Stalled Motor Timer/Shutdown  
High-Side Current Limiting  
CT  
9
RT  
10  
11  
12  
13  
14  
15  
16  
High-Side Over-Current Shutdown  
OSC2  
OSC1  
Differential Hall Effect Position Sensor  
Inputs/Decode Provide Commutation  
Control  
V
DD  
FGSOUT  
GND  
Differential Variable Reluctance Speed  
Sensor Inputs  
LD  
CP1  
FSEL 17  
S/S 18  
F/R 19  
V
CP  
Gate Drive for Six External N-Channel  
Power FETs in Three Half-H Configuration  
PGND  
V
CC  
Charge Pump to Develop High-Side Gate  
Drive Voltage  
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  
characteristicsandconvertthemtocontrolparametersfortheTPIC43T01/02. ThesoftwaregeneratesaJEDEC  
compatible file to program the device through a third party device programmer.  
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.  
Windows is a trademark of Microsoft Corporation.  
Copyright 2000, Texas Instruments Incorporated  
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.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...27

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