LB1929_08 Datasheet, PDF (5/11 Pages) Sanyo Semicon Device – For Office Automation Equipment 3-phase Brushless Motor Driver

LB1929
Block Diagram and Sample Application Circuit
LD
FGIN-
FGIN+
FG AMP
–
FGOUT
+
LD
POUT
LOCK
DET
DOUT INTIN
INTOUT _CSD
– ^{INT AMP}
VREG/2 ⁺
CSD
CIRCUIT
PWM
OSC
–
+
VREG
SPEED
DISCRI
TSD
CURR
LIM
FG
RST
PLL
COMP
GND1
VREF
ECL
1/16
1/512
VREF
BGP
LOGIC
DRIVER
Xtal
OSC
S/S
F/R
5VREG
HALL HYS AMP
XI
XO
S/S
F/R VREG
IN1 IN2 IN3
GND2
H
H
H
PWM
VCC
Rf
VM
VCC
OUT1
OUT2
OUT3
No.6197-5/11