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AM4962 Fiches technique(PDF) 4 Page - Diodes Incorporated

No de pièce AM4962
Description  SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER
PDF  16 Pages
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Fabricant  DIODES [Diodes Incorporated]
Site Internet  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AM4962 Fiches technique(HTML) 4 Page - Diodes Incorporated

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Data Sheet
SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER
AM4962
Apr. 2011
Rev. 1. 2
BCD Semiconductor Manufacturing Limited
4
Functional Block Diagram
Lock Shutdown
and
Auto Restart
Hall
Bias
Thermal
Shutdown
Hysteresis Amp
Control
Circuit
Triangle Wave
CT
VCC
RADJ
HB
HIN+
HIN-
VMIN
PWM
CF
GND
PGND
OUT1
OUT2
RD
FG
1 (1)
Pre-
driver
V+
2 (3)
3 (4)
4 (5)
5 (6)
6 (7)
7 (8)
8 (9)
9 (10)
10 (11)
11 (12)
12 (13)
13 (14)
14 (15)
(16)
V+
V+
V+
104k
42k
90k
54k
51k
56k
93k
18k
A (B)
A
HTSSOP-14
B
SSOP-16
Figure 3. Functional Block Diagram of AM4962
Truth Table (Note 1)
Items
IN-
IN+
CF
CT
OUT1
OUT2
FG
Mode
1
H
L
H
L
L
Rotation
2
L
H
L
L
H
Off
PWM off
3
H
L
Off
L
L
Rotation Recirculate
4
L
H
H
L
L
Off
Off
PWM off
5
H
L
H
Off
L
6
L
H
L
H
Off
H
Off
Lock Protection
Note 1: VCF(H)=5V, VCF(L) =1V, VCT(H)=5V, VCT(L) =0



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