Data Sheet
SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER
AM4961
Typical Application
D1
VCC
R1
27k
C1
L1
1µF or greater
AM4961
R2
17 (14)
16 (13)
15 (12)
4 (1)
5 (2)
6 (3)
10k
OUT2
OUT1
GND
CT
VCC
VMIN
VPWM
R4
39k
7 (4)
8 (5)
14 (11)
VREF
R6 330k
13 (10)
12 (9)
COSC
FG
HIN-
HB
PWM
R3 7.5k
9 (6)
C4
Hall
10 (7)
11 (8)
0.47µF
RD PGND HIN+
1,2,3,18,19,20
R7
100k
C2
C3
0.33µF
100pF
R8
68k
100k
R5
Figure 11. Typical Application of AM4961 (Note 7)
Jun. 2008 Rev. 2. 2
BCD Semiconductor Manufacturing Limited
12