參數(shù)資料
型號: AM5901AF44
廠商: BCD Semiconductor Manufacturing Limited
英文描述: 4-CHANNEL MOTOR DRIVER WITH POWER CONTROLLER
中文描述: 4通道馬達驅(qū)動器,功率控制器
文件頁數(shù): 16/19頁
文件大?。?/td> 297K
代理商: AM5901AF44
Data Sheet
16
Mar. 2007 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
AM5901A
4-CHANNEL MOTOR DRIVER WITH POWER CONTROLLER
Reset Circuit
Upon 90% of DC/DC converter output voltage,
RESET terminal varies from "L" to "H" and
AMUTE terminal changes from "H" to "L".
Hysteresis of 50mV (Typ.) is set to the reset
voltage to prevent the output chattering.
Charging Circuit
The power supply of the charging unit is from
CHGV
CC
terminal and it is independent of any
other circuits. Charging current is set by the
resistance between RCHG terminal and GND.
The charging current takes constant current
through SEL terminal.
This circuit has a private thermal shutdown
circuit. When the chip temperature has risen to
140
o
C, the charging current is cut off. When the
chip temperature has dropped to 100
o
C, the
charging current begins to flow.
Application Information (Continued)
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