AMIS-30521 AMI Semiconductor, Inc., AMIS-30521 Datasheet - Page 5

• Manufacturer Part Number: AMIS-30521
• Description: Micro-stepping Motor Driver
• Manufacturer: AMI Semiconductor, Inc.

AMIS-30521 Micro-stepping Motor Driver
Symbol
V
I
V
V
V
I
I
I
I
R
R
R
R
R
I
I
V
V
R
T
T
V
C
C
6.3 DC Parameters
The DC parameters are given for V
flowing in the circuit are defined as positive.
Table 5: DC Parameters
bat
MDmax,Peak
MDmax,RMS
MDabs
MDrel
Mpd
leak
tw
tsd
Supply Inputs
BB
dd
Power-on-Reset (POR)
DDH
DDL
Motordriver
HS
LS3
LS2
LS1
LS0
Logic Inputs
inL
inH
pd
Thermal Warning and Shutdown
Charge Pump
cp
buffer
pump
AMI Semiconductor – June 2007, M-20683-001
www.amis.com
Notes:
(1) (2)
(1)
(2)
(3)
No more than 100 cumulated hours in life time above Tt
Thermal shutdown and low temperature warning are derived from thermal warning.
Not valid for pins with internal pull-down resistor.
CLR, CSB Logic high threshold
CPP CPN External pump capacitor
NXT, DIR
MOTXP
MOTXN
MOTYP
MOTYN
DI, CLK
Pin(s)
TST0
VDD
VDD
VBB
CLR
VCP
Parameter
Nominal operating supply range
Total current consumption
Logic supply voltage
Internal POR comparator threshold
Internal POR comparator threshold
Max current through motor coil in
normal operation
Max RMS current through coil in normal
operation
Absolute error on coil current
Error on current ratio I
On-resistance high-side driver,
CUR[4:0] = 0...31
On-resistance low-side driver,
CUR[4:0] = 23...31
On-resistance low-side driver,
CUR[4:0] = 16...22
On-resistance low-side driver,
CUR[4:0] = 9...15
On-resistance low-side driver,
CUR[4:0] = 0...8
Pull-down current
Input leakage
Logic low threshold
Internal pull-down resistor
Thermal warning
Thermal shutdown
Output voltage
External buffer capacitor
(3)
BB
and temperature in their operating ranges unless otherwise specified. Convention: currents
coilx
/ I
coily
w.
Remark/Test Conditions
Unloaded outputs
VDD rising
VDD falling
V
V
V
V
V
V
V
V
V
V
HiZ mode
Tj = 160 °C
6V< V
15V < V
bb
bb
bb
bb
bb
bb
bb
bb
bb
bb
= 12V, T
= 12V, T
= 12V, T
= 12V, T
= 12V, T
= 12V, T
= 12V, T
= 12V, T
= 12V, T
= 12V, T
BB
5
BB
< 15V
< 30V
j
j
j
j
j
j
j
j
j
j
= 27 °C
= 160 °C
= 27 °C
= 160 °C
= 27 °C
= 160 °C
= 27 °C
= 160 °C
= 27 °C
= 160 °C
V
BB
Min.
4.75
120
138
180
180
-10
4.0
3.5
+12.5
-7
6
2 * V
T
V
tw
1600
Typ.
4.25
3.68
0.45
0.94
0.45
0.94
0.90
BB
800
145
220
220
1.9
1.8
3.8
3.6
7.5
0.5
BB
5
+ 20
+14
– 2.5
V
Data Sheet
BB
Max.
5.25
0.56
1.25
0.56
1.25
300
152
470
470
4.4
1.2
2.5
2.3
5.0
4.5
1.5
30
10
10
+15.5
8
7
1
Unit
mA
mA
mA
mA
µA
kΩ
°C
°C
nF
nF
%
%
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
V
V
V
V
V
V
V
V