Datasheet

L6474 Electrical data
Doc ID 022529 Rev 3 9/52
2.2 Recommended operating conditions
2.3 Thermal data
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
Table 4. Thermal data
Symbol Parameter Package Typ. Unit
R
thJA
Thermal resistance junction-ambient
HTSSOP28
(1)
1. HTSSOP28 mounted on EVAL6474H Rev 1.0 board: four-layer FR4 PCB with a dissipating copper surface
of about 40 cm2 on each layer and 15 via holes below the IC.
22
°C/W
POWERSO36
(2)
2. POWERSO36 mounted on EVAL6474PD Rev 1.0 board: four-layer FR4 PCB with a dissipating copper
surface of about 40 cm2 on each layer and 22 via holes below the IC.
12