E-L6258EX STMicroelectronics, E-L6258EX Datasheet - Page 11

• Manufacturer Part Number: E-L6258EX
• Description: IC MOTOR DRIVER PWM POWERSO36
• Manufacturer: STMicroelectronics
• Type: Dual DMOS Full Bridge PWM Motor Driverr

Specifications of E-L6258EX

• Applications: DC Motor Driver, Stepper Motor Driver
• Number Of Outputs: 2/1
• Current - Output: 1.5A
• Voltage - Load: 12 V ~ 40 V
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 36-BSSOP (0.433", 11.0mm Width) Exposed Pad
• Operating Supply Voltage: 12 V to 40 V
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Operating Temperature: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

L6258EX
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
OUTA
OUTB
OUTA
OUTB
OUTA
OUTB
= sense resistor value
Iload
Iload
Iload
Power bridge configuration
0
0
0
IN_A
I
MAX
T1
OUT_A
T3
=
0,5
----------------------------- -
LOAD
⋅
R
V
S
V
S
REF
OUT_B
=
T2
T4
---- -
FI
1
⋅
V
------------- -
R
REF
S
IN_B
Functional description
D97IN624
Fig. 4A
Fig. 4B
Fig. 4C
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