- 您现在的位置：买卖IC网 > PDF目录69003 > L6229Q (STMICROELECTRONICS) BRUSHLESS DC MOTOR CONTROLLER, 2.8 A, QCC32 PDF资料下载
参数资料
| 型号： | L6229Q |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 2.8 A, QCC32 |
| 封装： | 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, VFQFPN-32 |
| 文件页数： | 6/28页 |
| 文件大小： | 521K |
| 代理商： | L6229Q |
第1页第2页第3页第4页第5页当前第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页
Circuit description
L6229Q
14/28
Doc ID 15209 Rev 3
Figure 10.
Output current regulation waveforms
approximately calculated from the equations:
tRCFALL = 0.6 ROFF COFF
tOFF = tRCFALL + tDT = 0.6 ROFF COFF + tDT
where ROFF and COFF are the external component values and tDT is the internally generated
Dead Time with:
20 k
Ω ≤ R
OFF ≤ 100 kΩ
0.47 nF
≤ C
OFF ≤ 100 nF
tDT = 1 s (typical value)
Therefore:
tOFF(MIN) = 6.6 s
tOFF(MAX) = 6 ms
These values allow a sufficient range of tOFF to implement the drive circuit for most motors.
The capacitor value chosen for COFF also affects the Rise Time tRCRISE of the voltage at the
pin RCOFF. The rise time tRCRISE will only be an issue if the capacitor is not completely
charged before the next time the monostable is triggered. Therefore, the on time tON, which
depends by motors and supply parameters, has to be bigger than tRCRISE for allowing a
good current regulation by the PWM stage. Furthermore, the on time tON can not be smaller
than the minimum on time tON(MIN).
OFF
BC
DD
A
tON
tOFF
BC
ON
2.5V
0
Slow Decay
1
μs tBLANK
tRCRISE
SYNCHRONOUS RECTIFICATION
1
μs tBLANK
5V
VRC
VSENSE
VREF
IOUT
VREF
RSENSE
D02IN1351
tOFF
1
μs tDT
1
μs tDT
tRCFALL
相关PDF资料 |
PDF描述 |
|---|---|
| L6230PDTR | BRUSHLESS DC MOTOR CONTROLLER, 2.8 A, PDSO36 |
| L6230PD | BRUSHLESS DC MOTOR CONTROLLER, 2.8 A, PDSO36 |
| L6260 | DISK DRIVE MOTOR CONTROLLER, 1.5 A, PQFP64 |
| L6561I | 0.7 A POWER FACTOR CONTROLLER, PDIP8 |
| L6561C | 0.7 A POWER FACTOR CONTROLLER, PDIP8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| L6229QTR | 功能描述:马达/运动/点火控制器和驱动器 DMOS driver 3-phrase DC motor RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| L622C | 制造商:未知厂家 制造商全称:未知厂家 功能描述:THYRISTOR MODULE|BRIDGE|HALF-CNTLD|CA|240V V(RRM)|46A I(T) |
| L622-DBC | 制造商:未知厂家 制造商全称:未知厂家 功能描述:L series PRTDs, type L 622 DBC are designed for large volume applications where longterm stability |
| L622DY | 制造商:VCC 功能描述:LED CIRCUIT BOARD INDICATOR |
| L622F | 功能描述:分立半导体模块 SCR/DIODE MODULE 240VAC 42.5ADC 600VP RoHS:否 制造商:Infineon Technologies 产品:Thyristor Power Modules 类型:Phase Controls 安装风格:Screw 封装 / 箱体:DT61 封装: |
发布紧急采购，3分钟左右您将得到回复。