L6474PD View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L6474PD' PDF : 51 Pages View PDF
L6474
Electrical characteristics
Table 5. Electrical characteristics (continued)
Symbol
Parameter
tdisCS
tsetSDI
tholSDI
tenSDO
tdisSDO
tvSDO
tholSDO
Deselect time(7)
Data input setup time(7)
Data input hold time(7)
Data output enable time(7)
Data output disable time(7)
Data output valid time(7)
Data output hold time(7)
Current control
Test condition
Min. Typ. Max. Unit
800
ns
25
ns
20
ns
38 ns
47 ns
57 ns
37
ns
ISTEP,max
ISTEP,min
Max. programmable reference current
Min. programmable reference current
Overcurrent protection
4
A
31
mA
IOCD,MAX
Maximum programmable overcurrent
detection threshold
OCD_TH = ‘1111’
IOCD,MIN
Minimum programmable overcurrent detection
threshold
OCD_TH = ‘0000’
IOCD,RES
Programmable overcurrent detection
threshold resolution
tOCD,Flag OCD to flag signal delay time
tOCD,SD OCD to shut down delay time
dIout/dt = 350A/µs
dIout/dt = 350A/µs POW_SR
= '10'
6
A
0.375
A
0.375
A
650 1000 ns
600
µs
Standby
IqSTBY
Quiescent motor supply current in standby
conditions
tSTBY,min Minimum standby time
tlogicwu Logic power-on and wake-up time
tcpwu Charge pump power-on and wake-up time
Internal voltage regulator
VS = 8 V
VS = 36 V
Power bridges disabled,
Cp = 10 nF, Cboot = 220 nF
26 34
µA
30 36
10
µs
38 45 µs
650
µs
VREG Voltage regulator output voltage
IREG Voltage regulator output current
VREG, drop Voltage regulator output voltage drop
IREG,STBY Voltage regulator standby output current
Integrated analog to digital converter
IREG = 40 mA
2.9 3
50
3.2 V
40 mA
mV
10 mA
NADC Analog to digital converter resolution
5
bit
DocID022529 Rev 4
13/53
53
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