L6472 STMICROELECTRONICS [STMicroelectronics], L6472 Datasheet - Page 11

• Manufacturer Part Number: L6472
• Description: dSPIN fully integrated microstepping motor driver
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

L6472
3
Electrical characteristics
V
specified.
Table 5.
General
Charge pump
Output DMOS transistor
f
f
SA
Symbol
V
pump,max
T
pump,min
R
V
V
V
T
SthHyst
j(WRN)
I
I
DS(on)
SthOn
SthOff
pump
boot
DSS
j(SD)
= V
I
t
q
r
SB
= 36 V; V
V
V
V
hysteresis
Quiescent motor supply
current
Thermal warning temperature
Thermal shutdown
temperature
Voltage swing for charge
pump oscillator
Minimum charge pump
oscillator frequency
Maximum charge pump
oscillator frequency
Average boot current
High-side switch on-
resistance
Low-side switch on-
resistance
Leakage current
Rise time
S
S
S
Electrical characteristics
UVLO turn-on threshold
UVLO turn-off threshold
UVLO threshold
Parameter
(3)
DD
= 3.3 V; internal 3 V regulator; T
(1)
(1)
Doc ID 022729 Rev 1
Internal oscillator selected;
V
f
POW_SR = ‘10’
T
T
T
T
OUT = V
OUT = GND
POW_SR = '00', I
POW_SR = '00', I
POW_SR = ‘11’, I
POW_SR = ‘10’, I
POW_SR = ‘01’, I
sw,A
j
j
j
j
REG
= 25°C, I
= 125°C,
= 25°C, I
= 125°C,
= f
= 3.3V ext; CP floating
Test condition
sw,B
S
out
out
(2)
(2)
= 15.6kHz
= 3A
= 3A
I
I
out
out
out
out
out
out
out
J
= 3A
= 3A
= 25 °C, unless otherwise
= +1A
= -1A
= ±1A
= ±1A
= ±1A
Electrical characteristics
Min. Typ.
-0.3
7.5
6.6
0.7
0.37
0.51
0.18
0.23
130
160
660
800
100
100
200
300
8.2
7.2
0.5
1.1
10
80
1
Max. Unit
0.65
8.9
7.8
1.3
1.4
3.1
11/69
kHz
kHz
mA
mA
mA
°C
°C
ns
V
V
V
V
Ω