AMIS30512C5122G Datasheet, PDF (5/30 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
LOGICAL OUTPUTS
V_OL
DO, Logic Low level open drain
ERRB,
POR/WD
IOL = 5 mA
0.5
V
THERMAL WARNING AND SHUTDOWN
T_tw
T_tsd
(Notes 4,5)
Thermal warning
Thermal shutdown
138
145
T_tw + 20
152
°C
°C
CHARGE PUMP
V_cp
VCP Output voltage
C_buffer
External buffer capacitor
C_pump CPP CPN External pump capacitor
SPEED AND LOAD ANGLE OUTPUT
6 V < V_BB < 15 V
15 V < V_BB < 30 V
2 * V_BB – 2.5
V
V_BB+11
V_BB+12.8
V_BB+15
V
180
220
470
nF
180
220
470
nF
V_out
V_off
R_out
C_load
G_sla
SLA Output voltage range
Output offset the SLA pin
Output resistance SLA pin
Load capacitance SLA pin
Gain of SLA pin =
V_BEMF / V_COIL
0.5
0.2 V < Vsla < Vdd − 0,2 V
-25
SLAG=0
SLAG=1
0,5
0,25
4.5
V
25
mV
1
kW
50
pF
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.
Table 5. AC Parameters (The AC parameters are given for V_BB and temperature in their operating ranges.)
Symbol Pin(s)
Parameter
Remark/Test Conditions
Min. Typ.
INTERNAL OSCILLATOR
f_osc
MOTORDRIVER
Frequency of internal oscillator
3.6
4
f_PWM
f_JF
f_DF
T_{S_RISE}
MOTXP
MOTXN
MOTYP
MOTYN
PWM frequency
Double PWM frequency
PWM Jitter frequency
PWM Jitter depth
turn-on voltage slope, 10% to 90%
I_MD = 800 mA
<PWMF> = 0
20.8 22.8
<PWMF> = 1
41.6 45.6
Not measured in production
50
7
EMC[1:0] = 00
150
EMC[1:0] = 01
100
EMC[1:0] = 10
50
EMC[1:0] = 11
25
T_{S_FALL}
turn-off voltage slope, 90% to 10%
EMC[1:0] = 00
150
I_MD = 800 mA
EMC[1:0] = 01
100
EMC[1:0] = 10
50
EMC[1:0] = 11
25
t_OC
Open coil detection time
200
Max. Unit
4.4
MHz
24.8
kHz
49.6
kHz
Hz
% f_PWM
V/ms
V/ms
V/ms
V/ms
V/ms
V/ms
V/ms
V/ms
ms
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