STMicroelectronics Fully integrated stepper motor driver mounting the L6472 in a high power PowerSO package EVAL6472PD EVAL6472PD Data Sheet
Product codes
EVAL6472PD
DocID022729 Rev 3
9/70
L6472
Electrical data
70
2 Electrical
data
2.1
Absolute maximum ratings
2.2
Recommended operating conditions
Table 2. Absolute maximum ratings
Symbol Parameter Test
condition
Value
Unit
V
DD
Logic interface supply voltage
5.5
V
V
S
Motor supply voltage
V
SA
= V
SB
= V
S
48 V
V
GND, diff
Differential voltage between AGND, PGND and DGND
±0.3
V
V
boot
Bootstrap
peak
voltage
55
V
V
REG
Internal voltage regulator output pin and logic supply voltage
3.6
V
V
ADCIN
Integrated ADC input voltage range (ADCIN pin)
-0.3 to +3.6
V
V
OSC
OSCIN and OSCOUT pin voltage range
-0.3 to +3.6
V
V
out_diff
Differential voltage between V
SA
, OUT1
A
, OUT2
A
, PGND and
V
SB
, OUT1
B
, OUT2
B
, PGND pins
V
SA
= V
SB
= V
S
48 V
V
LOGIC
Logic inputs voltage range
-0.3 to +5.5
V
I
out
(1)
R.m.s. output current
3
A
I
out_peak
Pulsed output current
T
PULSE
< 1 ms
7
A
T
OP
Operating junction temperature
-40 to 150
°C
T
s
Storage temperature range
-55 to 150
°C
P
tot
Total power dissipation (T
A
= 25 °C)
(2)
5
W
1. Maximum output current limit is related to metal connection and bonding characteristics. Actual limit must satisfy maximum
thermal dissipation constraints.
2. HTSSOP28 mounted on the EVAL6472H.
Table 3. Recommended operating conditions
Symbol Parameter
Test
condition Value
Unit
V
DD
Logic interface supply voltage
3.3 V logic outputs
3.3
V
5 V logic outputs
5
V
S
Motor supply voltage
V
SA
= V
SB
= V
S
8
45
V
V
out_diff
Differential voltage between V
SA
, OUT1
A
, OUT2
A
,
PGND and V
SB
, OUT1
B
, OUT2
B
, PGND pins
V
SA
= V
SB
= V
S
45
V
V
REG,in
Logic
supply
voltage
V
REG
voltage imposed by
external source
3.2 3.3
V
V
ADC
Integrated ADC input voltage (ADCIN pin)
0
V
REG
V