Datasheet

DocID023278 Rev 4 15/75
L6480 Electrical characteristics
75
SPI
f
CK,MAX
Maximum SPI clock frequency
(4)
5MHz
t
rCK
t
fCK
SPI clock rise and fall time
(4)
1µs
t
hCK
t
lCK
SPI clock high and low time
(4)
90 ns
t
setCS
Chip select setup time
(4)
30 ns
t
holCS
Chip select hold time
(4)
30 ns
t
disCS
Deselect time
(4)
625 ns
t
setSDI
Data input setup time
(4)
20 ns
t
holSDI
Data input hold time
(4)
30 ns
t
enSDO
Data output enable time
(4)
95 ns
t
disSDO
Data output disable time
(4)
95 ns
t
vSDO
Data output valid time
(4)
35 ns
t
holSDO
Data output hold time
(4)
0ns
PWM modulators
f
PWM
Programmable PWM frequency
(2)
f
osc
= 32 MHz
F_PWM_INT = ’11X’
F_PWM_DEC = ’000’
5.6 kHz
f
osc
= 32 MHz
F_PWM_INT = ’000’
F_PWM_DEC = ’111’
125
N
PWM
PWM resolution 8 bit
Overcurrent protection
V
OCD
Programmable overcurrent detection
voltage V
DS
threshold
OCD_TH = ‘11111’ 800 1000 1100 mV
OCD_TH = ‘00000’ 27 31 35 mV
OCD_TH = ‘01001’ 270 312.5 344 mV
OCD_TH = ‘10011’ 500 625 688 mV
t
OCD,Comp
OCD comparator delay 100 200 ns
t
OCD,Flag
OCD to flag signal delay time 230 530 ns
t
OCD,SD
OCD to shutdown delay time
OCD_TH = '11111'
OCD event to 90% of gate
voltage
400 630 ns
Stall detection
V
STALL
Programmable stall detection V
DS
voltage
threshold
STALL_TH = '11111' 1000
mV
STALL_TH = '00000' 31
Table 5. Electrical characteristics (continued)
Symbol Parameter Test condition Min. Typ. Max. Unit