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BA6901F Datasheet(PDF) 2 Page - Rohm

Part # BA6901F
Description  Two-phase Full-wave DC Brushless Fan Motor Drivers
PDF  21 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BA6901F Datasheet(HTML) 2 Page - Rohm

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BA6901F
Datasheet
Datasheet
TSZ02201-0H1H0B100500-1-2
© 2012 ROHM Co., Ltd. All rights reserved.
18.DEC.2012 Rev.002
TSZ22111・15・001
www.rohm.com
●Pin configuration
●Pin description
P/No.
T/Name
Function
1
CR
Charging and discharging
pulse circuit capacitor and
resistor connecting terminal
2
FG
Rotating speed pulse signal
output terminal
3
AL
Lock alarm signal output terminal
4
ALB
Lock alarm signal terminal
(inversion signal of AL)
5
PWM
PWM input terminal
(H or OPEN:Output ON, L:Output
OFF)
6
LD
Lock detection and automatic
restart capacitor connecting terminal
7
CNF
Phase compensating capacitor
connecting terminal
8
GND
GND terminal
9
H+
Hall input terminal +
10
H-
Hall input terminal -
11
CS
Current detecting input terminal
12
CL
Current limiting input terminal
13
A1
Output terminal 1
14
A2
Output terminal 2
15
Vcc
Power terminal
16
TOUT
Charging and discharging
pulse output terminal
●Block diagram
Fig.2 Block diagram
Fig. 1 Pin configuration
A2
CL
AL
CNF
ALB
FG
CR
H–
CS
Vcc
PWM
TOUT
A1
GND
1
2
3
4
5
6
7
15
H+
LD
16
8
14
13
12
11
9
10
(TOP VIEW)
1
+
-
-
+
A2
+
-
2
3
4
5
6
7
8
REG
-
+
+
-
LOCK
DETECTION
&
AUTOMATIC
RESTART
PWM
A1
CR
FG
AL
ALB
PWM
LD
CNF
GND
16
15
14
13
12
11
10
9
Vcc
A2
A1
CL
CS
H-
H+
TOUT



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