参数资料
型号: EVAL-AD5100EBZ
厂商: Analog Devices Inc
文件页数: 20/36页
文件大小: 0K
描述: BOARD EVAL FOR AD5100
标准包装: 1
主要目的: 电源管理,电源监控器/跟踪器/序列发生器
已用 IC / 零件: AD5100
主要属性: 电压检测器和监控器
次要属性: 开漏极输出
已供物品:
AD5100
The RESET signal is asserted and maintained except when it is
triggered by the WDI, which is described in the Watchdog Input
section. The RESET signal is released after the programmable
hold time, t RS_HOLD.
As shown in Figure 17, the RESET output is push-pull
configured with the rail voltage of V 3MON .
V 3MON
M1
RESET
M2
Figure 17. Reset Output
SHUTDOWN WARNING, SHDNWARN
An early shutdown warning is available for the system processor
voltage at V 1MON is detected as overvoltage or undervoltage,
or the voltage at V 2MON falls below the threshold, SHDNWARN
outputs a Logic 0. If the processor sees a logic low on this pin,
the processor may issue an I 2 C read command to identify the
cause of failure reported in the fault detect/status register, at
Address 0x19. The processor may store the information in
external EEPROM as a record of failure history.
V 4OUT OUTPUT
V 4OUT is an open-drain output triggered by V 4MON with a mini-
mum propagation delay, t V4OUT_DELAY . V 4OUT can be used as a PWM
control over an external device or used as a monitoring signal.
Most applications using V 4OUT require disabling of the V 4MON
triggered reset function. This function is disabled by writing to
Register 0x0D[2], and it is possible to fix the value of this bit in
OTP memory.
Register 0x0D[2] = 0: enables V 4MON under threshold to activate
RESET
to identify the source of failure and take appropriate action
before shutting down the external devices. Whenever the
?
Rev. A | Page 20 of 36
Register 0x0D[2] = 1: prevents V 4MON under threshold from
activating RESET
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