AT5557
Preliminary Product Information
Serial Input 6CH Motor Driver for DSC
L Level Input voltage
H Level Input current
L Level Input current
Pull-down Resistance
UVLO
VINL
INH
INL
-
-
-1
-
-
5
0
0.8
20
-
V
µA
µA
MΩ
RIN
1.5
-
UVLO
Power-On-Reset Voltage
Vref
VUVLO
VRESET
1.7
0.8
2.0
1.6
2.3
2.4
V
V
Iout=0 ~ 1mA
0.98 1.0 1.02
V
VREF Output Voltage
CH1~CH5 Divers
VREF
Iout=+-200mA,
Output ON Resistance
RON
Vout1
Vout2
-
1.25 1.8
Ω
V
V
Sum of on-resistance
VC=1V (exterior VC setup), DAC:
4V, No-load
VC=internal VC setup,
DAC: 4V, No-load
Output Constant Voltage 1
Output Constant Voltage 2
3.79 4.00 4.21
3.79 4.00 4.21
CH6 Constant Current Driver
Output ON Resistance
Iout=+-200mA,
Sum of on-resistance
DAC=0.31V
(exterior VC setup),
RNF=1Ω, RM=5Ω
Ω
V
RON
VOL1
VOL2
-
1.25 1.8
Output Limit Voltage 1
0.30 0.31 0.32
0.30 0.31 0.32
VC=internal VC setup,
RNF=1Ω, RM=5Ω
Output Limit Voltage 2
V
Serial Control
SCLK frequency
SLD setup time
SLD hold time
SLD negate time
SDAT setup time
PI Driver
fsclk
Tsets
Tholds
Tnegs
Tsetd
-
4.0
5.0 MHz
200
100
200
60
-
-
-
-
-
-
-
-
nS
nS
nS
nS
It is referred as PI terminal
voltage=2.2V after 200Ω setup
It is referred as PI terminal
voltage=2.2V after 150Ω setup
It is referred as PI terminal
voltage=2.2V after 100Ω setup
It is referred as Iout=20mA after
20Ω setup
On Current 1
On Current 2
On Current 3
IPION1
IPION2
IPION3
3.7
5.8
5.0
7.5
6.3
9.2
mA
mA
7.4 10.0 12.6 mA
On Voltage 4
VPION4
Ioff
-
0.4
0
0.5
2.0
V
It is leak current when
OFF
VCC ≤ PIOUT
-2.0
µA
TSD
Thermal Shut Down
Temperature
Tip temperature in case H-bridge
output turns OFF
TTSD
-
150
-
˚C
Note: Temperature Hysteresis 30˚C
7F, No.9, Park Avenue II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
2/15/2006 REV:1.0
Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
Email: service@aimtron.com.tw
5
AIMTRON [ AIMTRON TECHNOLOGY ]
