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AMIS-30532_15 Datasheet, PDF (6/29 Pages) ON Semiconductor – Micro-Stepping Motor Driver | |||
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AMISâ30532
Table 5. 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 AND VOLTAGE REGULATORS
VBB
Nominal operating supply range
IBB
VBB
Total current consumption (Note 6) Unloaded outputs
VDD
Regulated output voltage
IINT
Internal load current (Note 6)
Unloaded outputs
ILOAD
Max output current (external and 6 V < VBB < 8 V
VDD internal loads)
8 V < VBB < 30 V
IDDLIM
Current limitation
Pin shorted to ground
ILOAD_PD
Output current in powerdown
POWERâONâRESET (POR)
6
30
V
8
mA
4.50
5
5.50
V
8
mA
20
mA
50
mA
150 mA
1
mA
VDDH
VDDL
VDD
MOTORDRIVER
Internal POR comparator threshold VDD rising
Internal POR comparator threshold VDD falling
4.0
4.25
4.4
V
3.68
V
IMDmax,Peak
Max current through motor coil in
normal operation
3015
mA
IMDmax,RMS
Max RMS current through coil in
normal operation
2132
mA
IMDabs
IMDrel
ISET_TC1
Absolute error on coil current
Error on current ratio Icoilx / Icoily
Temperature coefficient of coil cur-
rent setâlevel, CUR[4:0] = 0...27
â40°C v TJ v 160°C
â10
â7
â250
10
%
7
%
ppm/k
ISET_TC2
Temperature coefficient of coil cur- â40°C v TJ v 160°C
rent setâlevel, CUR[4:0] = 28...31
â460
ppm/k
RHS
RLS3
MOTXP
MOTXN
MOTYP
MOTYN
Onâresistance highâside driver,
CUR[4:0] = 0...31 (Note 7)
Onâresistance lowâside driver,
CUR[4:0] = 23...31 (Note 7)
RLS2
Onâresistance lowâside driver,
CUR[4:0] = 16...22 (Note 7)
RLS1
Onâresistance lowâside driver,
CUR[4:0] = 9...15 (Note 7)
RLS0
Onâresistance lowâside driver,
CUR[4:0] = 0...8 (Note 7)
IMpd
DIGITAL INPUTS
Pulldown 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
0.35
W
0.47
0.70
W
0.35
W
0.56
0.70
W
0.65
W
0.9
1.25
W
1.25
W
1.7
2.5
W
2.5
W
3.2
5.0
W
5.0
mA
Ileak
DI, CLK Input leakage (Note 8)
NXT, DIR
VinL
CLR, CS Logic low threshold
TJ = 160°C
1
mA
0
0.65
V
VinH
Logic high threshold
2.35
VDD
V
Rpd_CLR
CLR Internal pulldown resistor
120
300
kW
Rpd_TST
TST0 Internal pulldown resistor
3
9
kW
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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