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): 77/139頁
文件大?。?/td> 3837K
代理商: L6460TR
Start-up configurations
L6460
42/139
Doc ID 17713 Rev 1
8.6.2
Primary regulator mode (KP)
In this configuration bridge 4 can be configured by firmware while bridge 3 is configured as
two separate synchronous switching regulators. The last regulator in the sequence
(VAUX2_SW) is not considered a system regulator.
When in this mode the power-up sequence is:
1.
Auxiliary switching regulator1 (VAUX1_SW).
2.
Main switching regulator (VSWmain) together with main linear regulator (VLINmain).
3.
Auxiliary switching regulator2 (VAUX2_SW) (Not system regulator).
8.6.3
Regulators mode
In this configuration bridge 4 can be configured by firmware while bridge 3 is configured as
two separate synchronous switching regulators, but the start up sequence is different
previous one.
When in this mode the power-up sequence is:
1.
Main switching regulator (VSWmain).
2.
Auxiliary switching regulator1 (VAUX1_SW)
3.
Auxiliary switching regulator2 (VAUX2_SW)
8.6.4
Simple regulator mode (KT)
Also in this configuration bridge 4 can be configured by firmware while bridge 3 is configured
as two separate synchronous switching regulators. The last regulator in the sequence
(VSWmain) is not considered a system regulator.
When in this mode the power-up sequence is:
1.
Auxiliary switching regulator1 (VAUX1_SW).
2.
Auxiliary switching regulator2 (VAUX2_SW)
3.
Main linear regulator (VLINmain)
4.
Main switching regulator (VSWmain) (not system regulator).
8.6.5
Bridge + VEXT mode
In this configuration bridges 3 and 4 are not used as regulators and the regulator obtained
using the switching regulator controller (VSWDRV) is included in start-up.
When in this mode the power-up sequence is:
1.
Main switching regulator (VSWmain).
2.
Switching regulator controller regulator (VSWDRV).
3.
Main linear regulator (VLINmain).
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