AMIS30512C5122G Datasheet, PDF (4/30 Pages) ON Semiconductor – Micro-Stepping Motor Driver

AMIS−30512
Table 4. 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 INPUTS
V_BB
VBB Nominal operating supply
range
6
30
V
I_BB
Total current consumption
Unloaded outputs
V_DD
VDD Regulated output voltage
4.75
5
I_LOAD
Max. output current
6 V < V_BB < 8 V
20
8 V < V_BB < 30 V
50
I_DDLIM
Current limitation
VDD shorted to ground
I_{LOAD_PD}
Output current in power down
1
POWER−ON−RESET (POR)
8
mA
5.25
V
mA
mA
200
mA
mA
V_DDH
VDD
Internal POR comparator
threshold
VDD rising
4.0
4.25
4.4
V
V_DDL
Internal POR comparator
threshold
VDD falling
3.68
V
MOTORDRIVER
I_MDmax,Peak
Max current through motor coil
in normal operation
Tj < Tstd
800
mA
I_MDabs
I_MDrel
I_{SET_TC}
Absolute error on coil current
−10
Error on current ratio
−7
I_coilx / I_coily
Temperature coefficient of coil
current set−level,
CUR[4:0] = 0 ..31
−40°C ≤ T_j ≤ 160°C
−240
10
%
7
%
ppm/°C
R_HS
R_LS3
MOTXP
MOTXN
MOTYP
MOTYN
On−resistance high−side
driver, CUR[4:0] = 0...31;
Range 0...3
On−resistance low−side driver,
CUR[4:0] = 23...31; Range 3
R_LS2
On−resistance low−side driver,
CUR[4:0] = 16...22; Range 2
R_LS1
On−resistance low−side driver,
CUR[4:0] = 9...15; Range 1
R_LS0
On−resistance low−side driver,
CUR[4:0] = 0...8; Range 0
I_Mpd
LOGIC INPUTS
Pull−down current
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
HiZ mode
0.45
0.56
W
0.94
1.25
W
0.45
0.56
W
0.94
1.25
W
0.90
1.2
W
1.9
2.5
W
1.8
2.3
W
3.8
5.0
W
3.6
4.5
W
7.5
10
W
0.5
mA
I_leak
DI, CLK ^{Input leakage (Note 3)}
V_IL
NXT, DIR Logic low threshold
V_IH
CLR, CSB _{Logic high threshold}
Tj = 160°C
0
2.20
R_{pd_CLR}
CLR Internal pull−down resistor
120
R_{pd_TST}
TST0 Internal pull−down resistor
3
3. Not valid for pins with internal pull−down resistor
4. No more than 100 cumulated hours in life time above Tt_w
5. Thermal shutdown and low temperature warning are derived from thermal warning.
1
mA
0.65
V
V_DD
V
300
kW
9
kW
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