L6258 STMicroelectronics, L6258 Datasheet - Page 11

• Manufacturer Part Number: L6258
• Manufacturer: STMicroelectronics

Specifications of L6258

• Operating Current: 15mA
• Motor Controller Type: PWM Motor Controller
• Package Type: PowerSO
• Operating Supply Voltage (min): 12V
• Operating Supply Voltage (typ): 34V
• Operating Supply Voltage (max): 5.25V
• Lead Free Status / Rohs Status: Not Compliant

L6258
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 4.
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 V
-------------------------- -
LOAD
R
⋅
V
S
S
REF
OUT_B
=
T2
T4
---- -
FI
1
⋅
V
------------- -
R S
REF
IN_B
Functional description
D97IN624
Fig. 1A
Fig. 1B
Fig. 1C
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