Diodes AM4961 - Manual (Page 4)

SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER AM4961
Data Sheet
4
May. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited
Functional Block Diagram
Figure 3. Functional Block Diagram of AM4961
A (B)
A for 14-pin
B for 16-pin
Lock Shutdown
and
Auto Restart
Voltage
Reference
Hall Bias
Thermal Shutdown
Hysteresis Amp
Control
Circuit
Oscillation Circuit
CT
VCC
VREF
HB
HIN+
HIN-
VMIN
VPWM
COSC
GND PGND
OUT1
OUT2
RD
FG
2 (3)
11 (12)
9 (10)
8 (9)
10 (11)
3 (4)
4 (5)
5 (6)
13 (14) (16)
14 (15)
1 (1)
7 (8)
6 (7)
12 (13)
Pre-driver