L6474 Datasheet, PDF (10/51 Pages) STMicroelectronics – easySPIN – fully integrated microstepping motor driver

Electrical characteristics
L6474
Table 5. Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min. Typ. Max. Unit
t_f
Fall time ⁽³⁾
SR_{out_r} Output rising slew-rate
SR_{out_f} Output falling slew-rate
Dead time and blanking
POW_SR = '00'; I_out = +1A
90
POW_SR = '00'; I_out = -1A
110
POW_SR = ‘11’, I_out = ±1A
110
POW_SR = ‘10’, I_out = ±1A
260
POW_SR = ‘01’, I_load = ±1A
375
POW_SR = '00', I_out = +1A
285
POW_SR = '00', I_out = -1A
360
POW_SR = ‘11’, I_out = ±1A
285
POW_SR = ‘10’, I_out = ±1A
150
POW_SR = ‘01’, I_out = ±1A
95
POW_SR = '00', I_out = +1A
320
POW_SR = '00', I_out = -1A
260
POW_SR = ‘11’, I_out = ±1A
260
POW_SR = ‘10’, I_out = ±1A
110
POW_SR = ‘01’, I_out = ±1A
75
ns
V/µs
V/µs
t_DT
Dead time ⁽¹⁾
tblank
Blanking time ⁽¹⁾
Source-drain diodes
POW_SR = '00'
POW_SR = ‘11’,
f_OSC = 16 MHz
POW_SR = ‘10’,
f_OSC = 16 MHz
POW_SR = ‘01’,
f_OSC = 16 MHz
POW_SR = '00'
POW_SR = ‘11’,
f_OSC = 16 MHz
POW_SR = ‘10’,
f_OSC = 16 MHz
POW_SR = ‘01’,
f_OSC = 16 MHz
250
375
ns
625
875
250
375
ns
625
875
V_SD,HS
V_SD,LS
t_rrHS
t_rrLS
High side diode forward ON voltage
Low side diode forward ON voltage
High side diode reverse recovery time
Low side diode reverse recovery time
I_out = 1 A
I_out = 1 A
I_out = 1 A
I_out = 1 A
1 1.1 V
1 1.1 V
30
ns
100
ns
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