AMIS-30532 Datasheet, PDF (6/29 Pages) ON Semiconductor – Micro-Stepping Motor Driver

AMIS--30532
Table 5. DC PARAMETERS (The DC parameters are given for V_BB and temperature in their operating ranges unless otherwise
specified) Convention: currents flowing in the circuit are defined as positive.
Symbol
Pin(s)
Parameter
Remark/Test Conditions
Min
Typ
Max Unit
SUPPLY AND VOLTAGE REGULATORS
V_BB
Nominal operating supply range
I_BB
V_BB
Total current consumption (Note 6) Unloaded outputs
V_DD
Regulated output voltage
I_INT
Internal load current (Note 6)
Unloaded outputs
I_LOAD
Max output current (external and 6 V < V_BB < 8 V
V_DD internal loads)
8 V < V_BB < 30 V
I_DDLIM
Current limitation
Pin shorted to ground
I_{LOAD_PD}
Output current in powerdown
POWER--ON--RESET (POR)
6
30
V
8
mA
4.50
5
5.50
V
8
mA
20
mA
50
mA
150 mA
1
mA
V_DDH
V_DDL
V_DD
MOTORDRIVER
Internal POR comparator threshold V_DD rising
Internal POR comparator threshold V_DD falling
4.0
4.25
4.4
V
3.68
V
I_MDmax,Peak
Max current through motor coil in
normal operation
3015
mA
I_MDmax,RMS
Max RMS current through coil in
normal operation
2132
mA
I_MDabs
I_MDrel
I_{SET_TC1}
Absolute error on coil current
Error on current ratio I_coilx / I_coily
Temperature coefficient of coil cur-
rent set--level, CUR[4:0] = 0...27
--40°C ≤ T_J ≤ 160°C
--10
--7
--250
10
%
7
%
ppm/k
I_{SET_TC2}
Temperature coefficient of coil cur- --40°C ≤ T_J ≤ 160°C
rent set--level, CUR[4:0] = 28...31
--460
ppm/k
R_HS
R_LS3
R_LS2
R_LS1
R_LS0
MOTXP
MOTXN
MOTYP
MOTYN
On--resistance high--side driver,
CUR[4:0] = 0...31 (Note 7)
On--resistance low--side driver,
CUR[4:0] = 23...31 (Note 7)
On--resistance low--side driver,
CUR[4:0] = 16...22 (Note 7)
On--resistance low--side driver,
CUR[4:0] = 9...15 (Note 7)
On--resistance low--side driver,
CUR[4:0] = 0...8 (Note 7)
V_BB = 12 V, T_J = 27°C
V_BB = 12 V, T_J = 160°C
V_BB = 12 V, T_J = 27°C
V_BB = 12 V, T_J = 160°C
V_BB = 12 V, T_J = 27°C
V_BB = 12 V, T_J = 160°C
V_BB = 12 V, T_J = 27°C
V_BB = 12 V, T_J = 160°C
V_BB = 12 V, T_J = 27°C
V_BB = 12 V, T_J = 160°C
0.35
Ω
0.47
0.70
Ω
0.35
Ω
0.56
0.70
Ω
0.65
Ω
0.9
1.25
Ω
1.25
Ω
1.7
2.5
Ω
2.5
Ω
3.2
5.0
Ω
I_Mpd
Pulldown current
HiZ mode
5.0
mA
DIGITAL INPUTS
I_leak
V_inL
V_inH
R_{pd_CLR}
R_{pd_TST}
DI, CLK
NXT, DIR
CLR, CS
Input leakage (Note 8)
Logic low threshold
Logic high threshold
CLR Internal pulldown resistor
TST0 Internal pulldown resistor
T_J = 160°C
0
2.26
120
3
1
mA
0.65
V
V_DD
V
300
kΩ
9
kΩ
6. Current with oscillator running, all analogue cells active, SPI communication and NXT pulses applied. No floating inputs. Parameter
guaranteed by design.
7. Characterization Data Only
8. Not valid for pins with internal pulldown resistor.
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