L6460 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L6460' PDF : 139 Pages View PDF
L6460’s main features
2
L6460’s main features
L6460
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L6460 includes the following circuits:
● Four widely configurable full bridges:
– Bridges 1 and 2:
– Diagonal RDSon: 0.6 Ω typ.
– Max operative current = 2.5 A.
– Bridges 3 and 4:
– Diagonal RDSon: 0.85 Ω typ.
– Max operative current = 1.5 A.
● Possible configurations for each bridge are the following:
– Bridge 1:
– DC motor driver.
– Super DC (bridge 1 and 2 paralleled form superbridge1).
– 2 independent half bridges.
– 1 super half bridge (bridge 1 side A and bridge 1 side B paralleled form
superhalfbridge1).
– 2 independent switches (high or low side).
– 1 super switch (high or low side).
– Bridge 2 has the same configurations of bridge 1.
– Bridge 3 has the same configurations of bridge 1 (bridge 3 and 4 paralleled form
superbridge2) plus the following:
– ½ stepper motor driver.
– 2 buck regulators (VAUX1_SW, VAUX2_SW).
– 1 Super buck regulator (VAUX1//2_SW).
– Bridge 4 has the same configurations of bridge 1 plus the following:
– ½ stepper motor driver.
– 1 super buck regulator (VAUX3_SW).
– Battery charger.
● One buck type switching regulator (VSWmain) with:
– Output regulated voltage range: 1-5 Volts.
– Output load current: 3.0 A.
– Internal output power DMOS.
– Internal soft start sequence.
– Internal PWM generation.
– Switching frequency: ~250 kHz.
– Pulse skipping strategy control.
● One switching regulator controller (VSWDRV) with:
– Output regulated voltage range: 1-30 Volts.
– Selectable current limitation.
– Internal PWM generation.
– Pulse skipping strategy control.
● One linear regulator (VLINmain) that can be used to generate low current/low ripple
Doc ID 17713 Rev 1
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