NJU7385 データシートの表示（PDF） - Japan Radio Corporation
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NJU7385 Datasheet PDF : 13 Pages
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NJU7385
PIN CONNECTION
STB 1
VDD 2
MS 3
N.C. 4
IN1A 5
IN1B 6
IN2A 7
IN2B 8
ALARM 9
GND 10
20 VMM
19 N.C.
18 OUT1A
17 OUT1B
16 SENSE1
15 SENSE2
14 OUT2B
13 OUT2A
12 N.C.
11 VMM2
SSOP20-C3
PIN FUNCTION LIST
Terminal
Pin#
Name
Function
Remark
Power Saving State Setting
1
STB
H= Normal Operation, L=Standby
Terminal
2
VDD Logic Voltage Supply Terminal Logic Voltage Supply
Input Control Method Setting
3
MS
L=2-Input Control Type. H=PHASE&ENABLE Control Type
Input Terminal
4
N.C.
No Connection
No Connection
1ch Output Phase Switch Input
5
IN1A
It works as IN1A at MS Terminal=L, PHASE1 at MS Terminal=H.
Terminal A
1ch Output Phase Switch Input
6
IN1B
It works as IN1B at MS Terminal=L, ENABLE1 at MS Terminal=H.
Terminal B
2ch Output Phase Switch Input
7
IN2A
It works as IN2A at MS Terminal=L, PHASE2 at MS Terminal=H.
Terminal A
2ch Output Phase Switch Input
8
IN2B
It works as IN2B at MS Terminal=L, ENABLE2 at MS Terminal=H.
Terminal B
Internal Protection Operation
9
ALARM
When the internal protection operation is detected, L level is output
Detection Output Terminal
10
GND Logic Ground Terminal
Logic Ground
11
VMM2 Motor Voltage Supply Terminal 2 Motor Voltage Supply
12
N.C.
No Connection
No Connection
13
OUT2A 2ch Output Terminal A
-
14
OUT2B 2ch Output Terminal B
-
Current Detection Resistance It connects resistance for the detection of the electric current of the side
15
SENSE2
Connection Terminal 2
of 2ch. At the unused time, it connects with GND.
Current Detection Resistance It connects resistance for the detection of the electric current of the side
16
SENSE1
Connection Terminal 1
of 1ch. At the unused time, it connects with GND.
17
OUT1B 1ch Output Terminal B
-
18
OUT1A 1ch Output Terminal A
-
19
N.C.
No Connection
No Connection
20
VMM1 Motor Voltage Supply Terminal 1 Motor Voltage Supply
-4-
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