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