EVAL6474H Datasheet, PDF (2/10 Pages) STMicroelectronics – Stepper motor driver mounting the L6474

Board description
1
Board description
EVAL6474H
Table 1.
EVAL6474H specifications
Parameter
Value
Supply voltage (VS)
8 to 45 V
Maximum output current (each phase)
Logic supply voltage (VREG)
3 A_rms
Externally supplied: 3.3 V internally supplied: 3 V
typical
Logic interface voltage (VDD)
Externally supplied: 3.3 V or 5 V internally
supplied: VREG
Low level logic input voltage
High level logic input voltage
0V
VDD⁽¹⁾
Operating temperature
-25 to +125 °C
L6474H thermal resistance junction-to-ambient 21 °C/W typical
1. All logic inputs are 5 V tolerant.
Figure 1. Jumper and connector location
FLAG LED
(Red)
Application reference
area
Power supply connector
(8 V - 45 V)
SYNC output
Master SPI
connector
JP1: VDD supply from
master SPI connector
JP3: Daisy chain
termination
Slave SPI
connector
ADCIN input
regulation
Phase A connector
JP4: STCK to slave SPI connector
JP5: DIR to slave SPI connector
JP2: VDD to VREG
connection
OSCIN/OSCOUT
connector
Phase B connector
AM10269V1
2/10
Doc ID 022766 Rev 1