L6472H STMicroelectronics, L6472H Datasheet - Page 11
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L6472H
Manufacturer Part Number
L6472H
Description
Motor / Motion / Ignition Controllers & Drivers Motor DRV SPI dSPIN 7.0A 3.0 rms 8 - 45V
Manufacturer
STMicroelectronics
Type
2 Phase Stepper Motor Driverr
Datasheet
1.L6472PD.pdf
(68 pages)
Specifications of L6472H
Product Category
Motor / Motion / Ignition Controllers & Drivers
Rohs
yes
Product
Stepper Motor Controllers / Drivers
Operating Supply Voltage
8 V to 45 V
Supply Current
0.5 mA
Operating Temperature
- 25 C to + 125 C
Mounting Style
SMD/SMT
Package / Case
HTSSOP-28
Power Dissipation
5 W
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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 2
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
11/68
kHz
kHz
mA
mA
mA
°C
°C
ns
V
V
V
V
Ω