EVAL6470H Datasheet, PDF (10/70 Pages) STMicroelectronics – dSPIN fully integrated microstepping motor driver with motion engine and SPI

Electrical data
L6470
2.2
Recommended operating conditions
Table 3. Recommended operating conditions
Symbol
Parameter
Test condition
V_DD Logic interface supply voltage
V_S
V_{out_diff}
Motor supply voltage
Differential voltage between
V_SA, OUT1_A, OUT2_A, PGND
and V_SB, OUT1_B, OUT2_B,
PGND pins
V_REG,in Logic supply voltage
V_ADC
Integrated ADC input voltage
(ADCIN pin)
3.3 V logic outputs
5 V logic outputs
V_SA = V_SB = V_S
V_SA = V_SB = V_S
V_REG voltage imposed
by external source
Value
Unit
3.3
V
5
8
45 V
45 V
3.2 3.3
V
0
V_REG V
2.3
Thermal data
Table 4. Thermal data
Symbol
Parameter
Package
Typ. Unit
R_thJA Thermal resistance junction-ambient
HTSSOP28 ⁽¹⁾
POWERSO36 ⁽²⁾
22
°C/W
12
1. HTSSOP28 mounted on EVAL6470H 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 EVAL6470PD 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.
10/70
Doc ID16737 Rev 5