ECN3064
Features
- PWM control of upper and bottom arm IGBTs are possible by controlling outer Microproc essor
- 6 Logic inputs are patible with 5V CMOS or LSTTL outputs
- Upper and Bottom arm IGBTs can operate in 20k Hz chopping frequency
- For converted AC200 to 230 V power supplies
VCC(15V) D1 + C1 CCL VS1 VS2 VS
D2 C2 + CB VCC VB supply VB C+
C0
Charge Pump
UT VT WT Clock
Top Arm Driver
Motor
MU MV MW
Microprocessor
UB VB WB
Bottom Arm Driver
CLOCK
Pulse Generator
Latch
+
Filter 1us
Vref 0.5V GH1 GH2
CR RTR CTR Vref
Fig.1 Block Diagram
PDE-3064-0
1. (1) (2) (3) (4) 2. General Type Application Structure Package ECN3064SP, ECN3064SPV,ECN3064SPR 3-Phase DC Brushless Motor and Induction Motor Monolithic IC SP-23TA, SP-23TB, SP-23TR Maximum Allowable Ratings (Ta=25 °C) Symbols Terminal VSM VS1,VS2 MU,MV,MW VCC VCC VIN UT,VT,WT, UB,VB,WB IMDC MU,MV,MW IMP MU,MV,MW IOM MU,MV,MW Tjop Tstg Ratings 500 18 -0.5~ VB+0.5 0.7 1.5 1.5 -20 ~ +125 -40 ~ +150...
