- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄368628 > TDA5146T (NXP SEMICONDUCTORS) 1.2UF/630VDC METAL POLY CAP PDF資料下載
參數(shù)資料
| 型號： | TDA5146T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 運動控制電子 |
| 英文描述： | 1.2UF/630VDC METAL POLY CAP |
| 中文描述： | BRUSHLESS DC MOTOR CONTROLLER, PDSO28 |
| 封裝： | PLASTIC, SO-28 |
| 文件頁數(shù)： | 10/18頁 |
| 文件大?。?/td> | 266K |
| 代理商： | TDA5146T |
Philips Semiconductors
Product specification
TDA5146T
Brushless DC motor drive circuit
1994 May 18
10
1. Value selected for 3 HZ start–up oscillator frequency
Figure 6. Application diagram without use of the FET driver stage
APPLICATION INFORMATION
Introduction
Full–wave driving of a three phase motor requires three push–pull output stages. In each of the six possible states two outputs are active, one
sourcing and one sinking current. The third output presents a high impedance to the motor which enables measurement of the motor EMF in the
corresponding motor coil by the EMF comparator at each output. The commutation logic is responsible for control of the output transistors and
selection of the correct EMF comparator.
The zero–crossing in the motor EMF (detected by the comparator selected by the commutation logic) is used to calculate the correct moment
for the neat commutation, that is, the change to the next output state. The delay is calculated (depending on the motor loading) by the adaptive
commutation delay block.
Because of high inductive loading the output stages contain flyback diodes. The output stages are also protected by a current limiting circuit and
by thermal protection of the six output transistors.
The zero–crossings can be used to provide speed information such as the tacho signal FG.
相關PDF資料 |
PDF描述 |
|---|---|
| TDA5153AG | Pre-amplifier for Hard Disk Drive HDD with MR-read/inductive write heads |
| TDA5153 | Pre-amplifier for Hard Disk Drive HDD with MR-read/inductive write heads |
| TDA5153X | Pre-amplifier for Hard Disk Drive HDD with MR-read/inductive write heads |
| TDA5153BG | Pre-amplifier for Hard Disk Drive HDD with MR-read/inductive write heads |
| TDA5634T | 9 V UHF mixer/oscillator for TV and VCR tuners |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TDA5147CH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:12 V Voice Coil Motor VCM driver and spindle motor drive combination chip |
| TDA5147K | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:12 V Voice Coil Motor VCM driver and spindle motor drive combination chip |
| TDA5149 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:12 V Voice Coil Motor VCM driver and spindle motor pre-driver combination chip |
| TDA5149G | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:12 V Voice Coil Motor VCM driver and spindle motor pre-driver combination chip |
| TDA5150 | 功能描述:射頻發(fā)射器 WIRELESS CONTROLLER RoHS:否 制造商:Micrel 類型:ASK Transmitter 封裝 / 箱體:SOT-23-6 工作頻率:300 MHz to 450 MHz 封裝:Reel |
發(fā)布緊急采購，3分鐘左右您將得到回復。