參數(shù)資料
型號： L6460TR
廠商： STMICROELECTRONICS
元件分類： 運動控制電子
英文描述： STEPPER MOTOR CONTROLLER, PQFP64
封裝： 10 X 10 MM, 1 MM HEIGHT, ROHS COMPLIANT, TQFP-64
文件頁數(shù)： 46/139頁
文件大?。?/td> 3837K
代理商： L6460TR
L6460’s main features
L6460
14/139
Doc ID 17713 Rev 1
2
L6460’s main features
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:
–
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:
–
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
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