L6474
2.2
Electrical data
Recommended operating conditions
Symbol
Table 3. Recommended operating conditions
Parameter
Test condition
Value
Unit
VDD Logic interface supply voltage
VS
Vout_diff
Motor supply voltage
Differential voltage between VSA,
OUT1A, OUT2A, PGND and VSB,
OUT1B, OUT2B, PGND pins
VREG,in Logic supply voltage
VADC
Integrated ADC input voltage
(ADCIN pin)
3.3 V logic outputs
5 V logic outputs
VSA = VSB = VS
3.3
V
5
8
45 V
VSA = VSB = VS
45 V
VREG voltage imposed by
external source
3.2 3.3
V
0
VREG V
2.3
Thermal data
Table 4. Thermal data
Symbol
Parameter
Package
Typ. Unit
RthJA Thermal resistance junction-ambient
HTSSOP28(1)
POWERSO36(2)
22
°C/W
12
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.
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.
DocID022529 Rev 4
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