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AMIS-30512 Datasheet, PDF (4/30 Pages) ON Semiconductor – Micro-Stepping Motor Driver | |||
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AMISâ30512
Table 4. DC Parameters (The DC parameters are given for VBB 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
VBB
VBB Nominal operating supply
range
6
30
V
IBB
Total current consumption
Unloaded outputs
VDD
VDD Regulated output voltage
4.75
5
ILOAD
Max. output current
6 V < VBB < 8 V
20
8 V < VBB < 30 V
50
IDDLIM
Current limitation
VDD shorted to ground
ILOAD_PD
Output current in power down
1
POWERâONâRESET (POR)
8
mA
5.25
V
mA
mA
200
mA
mA
VDDH
VDD
Internal POR comparator
threshold
VDD rising
4.0
4.25
4.4
V
VDDL
Internal POR comparator
threshold
VDD falling
3.68
V
MOTORDRIVER
IMDmax,Peak
Max current through motor coil
in normal operation
Tj < Tstd
800
mA
IMDabs
IMDrel
ISET_TC
Absolute error on coil current
â10
Error on current ratio
â7
Icoilx / Icoily
Temperature coefficient of coil
current setâlevel,
CUR[4:0] = 0 ..31
â40°C ⤠Tj ⤠160°C
â240
10
%
7
%
ppm/°C
RHS
RLS3
MOTXP
MOTXN
MOTYP
MOTYN
Onâresistance highâside
driver, CUR[4:0] = 0...31;
Range 0...3
Onâresistance lowâside driver,
CUR[4:0] = 23...31; Range 3
RLS2
Onâresistance lowâside driver,
CUR[4:0] = 16...22; Range 2
RLS1
Onâresistance lowâside driver,
CUR[4:0] = 9...15; Range 1
RLS0
Onâresistance lowâside driver,
CUR[4:0] = 0...8; Range 0
IMpd
LOGIC INPUTS
Pullâdown current
Vbb = 12 V, Tj = 27°C
Vbb = 12 V, Tj = 160°C
Vbb = 12 V, Tj = 27°C
Vbb = 12 V, Tj = 160°C
Vbb = 12 V, Tj = 27°C
Vbb = 12 V, Tj = 160°C
Vbb = 12 V, Tj = 27°C
Vbb = 12 V, Tj = 160°C
Vbb = 12 V, Tj = 27°C
Vbb = 12 V, Tj = 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
Ileak
DI, CLK Input leakage (Note 3)
VIL
NXT, DIR Logic low threshold
VIH
CLR, CSB Logic high threshold
Tj = 160°C
0
2.20
Rpd_CLR
CLR Internal pullâdown resistor
120
Rpd_TST
TST0 Internal pullâdown resistor
3
3. Not valid for pins with internal pullâdown resistor
4. No more than 100 cumulated hours in life time above Ttw
5. Thermal shutdown and low temperature warning are derived from thermal warning.
1
mA
0.65
V
VDD
V
300
kW
9
kW
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