AM4951 Datasheet, PDF (3/14 Pages) BCD Semiconductor Manufacturing Limited – BTL Drive Single-phase Full-wave Fan Motor Driver

BTL Drive Single-phase Full-wave Fan Motor Driver
Functional Block Diagram
(2)
HB
1.5V REG
1 (1)
IN+
IN-
2 (3)
5 (6)
GND
VCC
7 (8)
4 (5) ^OUT1
OUT2 6 (7)
Data Sheet
AM4951/R/2
8 (9)
FG
Control
Circuit
Charge Discharge
8 (10) _RD
Discharge Pulse
A (B)
A for AM4951/R
B for AM4952
3 (4)
CT
Figure 3. Functional Block Diagram of AM4951/R/2
Apr. 2012 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
3