音影先锋亚洲天堂网|电影世界尽头的爱完整版播放|国产 熟女 91|高清无码免费观看欧美日韩|韩国一区二区三区黄色录像|美女亚洲加勒比在线|亚洲综合网 开心五月|7x成人在线入口|成人网站免费日韩毛片区|国产黄片?一级?二级?三级

LM621N Datasheet

  • LM621N

  • LM621 Brushless Motor Commutator

  • 12頁

  • NSC

掃碼查看芯片數據手冊

上傳產品規(guī)格書

PDF預覽

LM621 Brushless Motor Commutator
August 1992
LM621 Brushless Motor Commutator
General Description
The LM621 is a bipolar IC designed for commutation of
brushless DC motors The part is compatible with both
three- and four-phase motors It can directly drive the power
switching devices used to drive the motor The LM621 pro-
vides an adjustable dead-time circuit to eliminate 鈥樷€榮hoot-
through鈥欌€?current spiking in the power switching circuitry
Operation is from a 5V supply but output swings of up to
40V are accommodated The part is packaged in an 18-pin
dual-in-line package
Y
Y
Y
Features
Y
Y
Y
Y
Y
Adjustable dead-time feature eliminates current spiking
On-chip clock oscillator for dead-time feature
Outputs drive bipolar power devices (up to 35 mA base
current) or MOSFET power devices
Compatible with three- and four-phase motors
Bipolar drive to delta- or Y-wound motors
Unipolar drive to center-tapped Y-wound motors
Supports 30- and 60-degree shaft position sensor
placements for three-phase motors
Supports 90-degree sensor placement for four-phase
motors
Directly interfaces to pulse-width modulator output(s)
via OUTPUT INHIBIT (PWM magnitude) and DIREC-
TION (PWM sign) inputs
Direct interface to Hall sensors
Outputs are current limited
Undervoltage lockout
Connection Diagram
TL H 8679 鈥?1
Order Number LM621N
See NS Package Number N18A
C
1995 National Semiconductor Corporation
TL H 8679
RRD-B30M115 Printed in U S A

LM621N相關型號PDF文件下載

您可能感興趣的PDF文件資料

熱門IC型號推薦

掃碼下載APP，
一鍵連接廣大的電子世界。

在線人工客服

買家服務：
賣家服務：
技術客服：

0571-85317607

網站技術支持

13606545031

客服在線時間周一至周五
9:00-17:30

關注官方微信號，
第一時間獲取資訊。

建議反饋
返回頂部

建議反饋

聯系人：

聯系方式：

按住滑塊，拖拽到最右邊
>>
感謝您向阿庫提出的寶貴意見，您的參與是維庫提升服務的動力！意見一經采納，將有感恩紅包奉上哦！