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参数资料
| 型号： | EVAL-ADM1062TQEBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 25/38页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR ADM1062TQ |
| 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 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | ADM1062 |
| 主要属性： | 10 通道监控器 / 序列发生器，6 个电压输出 DAC |
| 次要属性： | 通过 SMBus（通过 USB）实现的可编程 GUI |
| 已供物品： | 2 个板，线缆，CD |
| 相关产品： | ADM1062ACPZ-ND - IC SEQUENCER/SUPERVISOR 40LFCSP ADM1062ACPZ-REEL7-ND - IC SEQUENCER/SUPERVISOR 40LFCSP ADM1062ASUZ-REEL7-ND - IC SEQUENCER/SUPERVISOR 48TQFP ADM1062ASUZ-ND - IC SUPERVISOR/SEQUENCER 48-TQFP |
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Preliminary Technical Data
PROGRAMMABLE DIRECT OUTPUTS (PDO)
The ADM106x features ten PDOs (eight inputs in the case of
ADM1068/9). These outputs can be used to control the turn-on/off
of supplies. The outputs are highly configurable. They can be
programmed to pull- up to a number of different options. The
outputs can be programmed as follows:–
? Open Drain (allowing the user to connect an external pull-up
Normal operation
EVAL-ADM106x
FET Driver
Pull-up to VP1,VP2,
VP3,VP4 or VDDCAP
resistor)
? Open Drain with weak pull-up to VDD
? Push Pull to VDD
? Open-drain with weak pull-up to VPn
? Push-pull to VPn
? Strong pull-down to GND
? Internally charge- pumped high drive (12V- Available on PDO 1-
6 Only)
The data driving each of the PDO’s can come from one of three
sources. These are:
? An output from the Sequencing Engine (normal operation- where
the ADM106x independently controls the sequence of supplies).
? Directly from the SMBus. A PDO can be configured so that the
SMBus has direct control over it. This enables software control of
the PDO’s. Thus, a microcontroller could be used to initiate a
software power-up/power-down sequence.
Figure 44. Programming outputs on ADM106x
SEQUENCING ENGINE
The logical core of the ADM106x is the Sequencing Engine.
This is a state machine based architecture which determines
how the ADM106x reacts to events as they occur. These
“events” could be a supply coming in to tolerance, a supply
failing, a digital input being asserted etc. The ADM106x
provides 63 states, allowing the device to control the sequence
of up to 63 events. The ADM106x’s control of the outside
world is through its programmable outputs, so their logical
status can be set in each state. For instance, the first state
could be set up to check that a supply is in tolerance. Once this
is the case, the sequencing engine can proceed to the next state
where the next supply is enabled by driving its controlling PDO
high. A diagram of a state cell is shown below.
STATE
? An On- Chip Clock. A 100KHz clock is generated on the device.
This clock can be made available on any of the PDO’s. It could be
M onitor
Fault
Timeout
used to clock an external device such as a LED, for example.
End-of-Step
Figure 45. ADM106x State Cell
The diagram shows that once a state is entered, there are three
possible ways to leave that state:-
Rev. PrB | Page 25 of 38
1.
2.
End of Step - This is the primary way to leave a state.
The user can choose a single event (e.g.) an input
signal going high- to allow the engine to progress to
the next state. By selecting the end of step condition
in a number of states, the user defines the sequence in
which event must happen (i.e.) the sequence in which
supplies are turned on/off.
Timeout - This provides a safety net if an End-of Step
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| EVAL-ADM1063LFEB | 制造商:Analog Devices 功能描述:EVALUATION BOARD I.C. - Bulk |
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| EVAL-ADM1063TQEBZ | 功能描述:BOARD EVALUATION FOR ADM1063TQ RoHS:是 类别:编程器，开发系统 >> 评估演示板和套件 系列:- 标准包装:1 系列:- 主要目的:电信，线路接口单元（LIU） 嵌入式:- 已用 IC / 零件:IDT82V2081 主要属性:T1/J1/E1 LIU 次要属性:- 已供物品:板，电源，线缆，CD 其它名称:82EBV2081 |
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