CMD1668M,CMD1667M
Two-Phase Unipolar Drive Brushless Motor Drivers
Specifications
Absolute Maximum Ratings
at Ta = 25°C
Parameter
Maximum input current
Output voltage
Output current
Output minus current
RD/FG influx current
RD/FG voltage
Symbol
I
CC
max
V
OUT
I
OUT
I
OM
I
RD
/I
FG
V
RD
/V
FG
Pd max
CMD1667M,
1668M: Mounted on a printed circuit board
(20
×
15
×
1.5 mm
3
, glass epoxy)
t
≤
20 ms
Conditions
Ratings
200
Internal
1.5
–50
10
30
0.8
Unit
mA
V
A
mA
mA
V
W
Allowable power dissipation
Operating temperature
Storage temperature
Topr
Tstg
–30 to +80
–55 to +150
°C
°C
Allowable Operating Ranges
at Ta = 25°C
Parameter
Input current range
Common-mode input voltage range
Symbol
I
CC
V
ICM
Conditions
Ratings
6.0 to 50
0 to V
IN
–1.5
Unit
mA
V
Electrical Characteristics
at Ta = 25°C, I
CC
= 10 mA
Parameter
Symbol
V
OLM
1
V
OLM
2
Vosat1
Output saturation voltage
Vosat2
Vosat3
V
IN
voltage
Amplifier input offset voltage
Amplifier input bias current
RD output saturation voltage
FG output saturation voltage
C outflow current
C discharge current
Comparator input threshold voltage
Thermal shutdown current operating temperature
Thermal shutdown circuit hysteresis
Note:
*
RD output:
CMD1668M,
FG output:
CMD1667M
V
IN
V
OFF
I
BA
V
RD
sat
V
FG
sat
I
C
1
I
C
2
V
TH
1
V
TH
2
TSD
∆TSD
Design target value
Design target value
I
RD
= 5 mA*
I
FG
= 5 mA*
2.1
0.31
0.77
0.42
Conditions
Z1, Z2 open
Z1, Z2 short
I
O
= 0.5 A
I
O
= 1.0 A
I
O
= 1.5 A
I
CC
= 7.0 mA
6.4
–7.0
–250
0.1
0.1
3.0
0.44
0.8V
IN
0.45V
IN
180
40
0.3
0.3
3.9
0.59
0.83
0.48
Ratings
min
54
31
typ
57
33
0.95
1.15
1.4
6.7
0
max
60
35
1.2
1.5
2.0
7.0
+7.0
Unit
V
V
V
V
V
V
mV
nA
V
V
µA
µA
V
V
°C
°C
Output limit voltage
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Tel:886-3-3214525
Http: www.ceramate.com.tw
Page 2 of 9
Rev 1.0 Aug. 23,2004
Fax:886-3-3521052
CERAMATE [ CERAMATE TECHNICAL ]
