AMIS-30522 Datasheet, PDF (5/29 Pages) AMI SEMICONDUCTOR – Micro-stepping Motor Driver

AMIS-30522
6.3 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.
Table 5: DC parameters
Symbol Pin(s)
Parameter
Remark/Test Conditions
Supply & Voltage Regulator
V_BB
I_BB
V_DD
I_INT
VBB
I_LOAD
VDD
I_DDLIM
I_{LOAD_PD}
Power-on-Reset (POR)
Nominal operating supply range
Total internal current consumption
Regulated Output Voltage
Internal load current
Max. Output Current (external and
internal loads)
Current limitation
Output current in Power Down
Unloaded outputs
Unloaded outputs
6V < V_BB < 8V
8V < V_BB < 30V
Pin shorted to ground
V_DDH
V_DDL
VDD
Motor Driver
Internal POR comparator threshold VDD rising
Internal POR comparator threshold VDD falling
I_MDmax,Peak
I_MDmax,RMS
I_MDabs
I_MDrel
I_{SET_TC1}
I_{SET_TC2}
MOTXP
MOTXN
MOTYP
MOTYN
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_coilx / I_coily
Temperature coefficient of coil current
set-level, CUR[4:0] = 0 ..27
-40 °C ≤ T_j ≤ 160 °C
Temperature coefficient of coil current
set-level, CUR[4:0] = 28 ..31
-40 °C ≤ T_j ≤ 160 °C
R_HS
R_LS3
R_LS2
R_LS1
R_LS0
I_Mpd
Digital Inputs
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
V_bb = 12V, T_j = 27 °C
V_bb = 12V, T_j = 160 °C
V_bb = 12V, T_j = 27 °C
V_bb = 12V, T_j = 160 °C
V_bb = 12V, T_j = 27 °C
V_bb = 12V, T_j = 160 °C
V_bb = 12V, T_j = 27 °C
V_bb = 12V, T_j = 160 °C
V_bb = 12V, T_j = 27 °C
V_bb = 12V, T_j = 160 °C
HiZ mode
I_leak
DI, CLK
V_IL
NXT, DIR
V_IH
CLR, CSB
R_{pd_CLR}
CLR
R_{pd_TST}
TST0
Digital Outputs
Input Leakage (3)
Logic Low Threshold
Logic High Threshold
Internal Pull Down Resistor
Internal Pull Down Resistor
Tj = 160 °C
V_OL
DO, ERRB,
PORB/WD
Logic Low level open drain
IOL = 5 mA
Thermal Warning & Shutdown
T_tw
T_tsd(1) (2)
Charge Pump
Thermal Warning
Thermal shutdown
V_cp
C_buffer
C_pump
Notes:
VCP
CPP CPN
Output voltage
External buffer capacitor
External pump capacitor
6V< V_BB < 15V
15V < V_BB < 30V
(1) No more than 100 cumulated hours in life time above Tt_w.
(2) Thermal shutdown and low temperature warning are derived from thermal warning.
(3) Not valid for pins with internal pull-down resistor.
Min
Typ
Max
Unit
6
30
V
8
mA
4.75
5
5.25
V
20
50
150
mA
1
4.0
4.25
4.4
V
3.68
V
1600
mA
800
mA
-10
10
%
-7
7
%
-240
ppm/K
-490
0.45
0.94
0.45
0.94
0.90
1.9
1.8
3.8
3.6
7.5
0.5
ppm/K
0.56
Ω
1.25
Ω
0.56
Ω
1.25
Ω
1.2
Ω
2.5
Ω
2.3
Ω
5.0
Ω
4.5
Ω
10
Ω
mA
0
2.20
120
3
1
µA
0.65
V
V_DD
V
300
kΩ
9
kΩ
0.5
V
138
145
152
°C
T_tw + 20
°C
2 * V_BB – 2.5
V
V_BB+12.5
V_BB+14
V_BB+15.5
V
180
220
470
nF
180
220
470
nF
Rev. 2 | Page 5 of 29 | www.onsemi.com