L6258EP_07 STMICROELECTRONICS [STMicroelectronics], L6258EP_07 Datasheet - Page 11

• Manufacturer Part Number: L6258EP_07
• Description: PWM controlled high current DMOS universal motor driver
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

L6258EP
2.1
Reference voltage
The voltage applied to VREF pin is the reference for the internal DAC and, together with the
sense resistor value, defines the maximum current into the motor winding according to the
following relation:
where R
Figure 3.
s
= sense resistor value
OUTA
OUTB
OUTA
OUTB
OUTA
OUTB
Iload
Iload
Iload
Power bridge configuration
0
0
0
IN_A
I
MAX
T1
OUT_A
T3
=
0,5
----------------------------- -
LOAD
⋅
R
V
V
S
S
REF
OUT_B
=
T2
T4
---- -
FI
1
⋅
V
------------- -
R
REF
S
IN_B
Functional description
D97IN624
Fig. 1A
Fig. 1B
Fig. 1C
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