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SMM465FR02 데이터시트(PDF) 4 Page - Summit Microelectronics, Inc.

부품명 SMM465FR02
상세설명  4-Channel Active DC Output Controller, Monitor, Marginer and Sequencer
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제조업체  SUMMIT [Summit Microelectronics, Inc.]
홈페이지  http://www.summitmicro.com
Logo SUMMIT - Summit Microelectronics, Inc.

SMM465FR02 데이터시트(HTML) 4 Page - Summit Microelectronics, Inc.

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SMM465
Preliminary Information
Summit Microelectronics, Inc
2085 1.1 05/27/04
4
Pin
Number
Pin
Type
Pin Name
Pin Description
1
DATA
SDA
I
2C Bi-directional data line
2
CLK
SCL
I
2C Clock line
3
IN
A2
The address pin is biased either to VDD_CAP or GND.
When
communicating with the SMM465 over the 2-wire bus A2 provides a
mechanism for assigning a unique bus address.
4
IN
MR
Programmable active high/low input. When asserted the RST output will be
go active. When de-asserted the RST output will go inactive immediately
after a reset timeout period (tPRTO) if there are no RST trigger sources active.
This timeout period makes it suitable to use a pushbutton for manual reset.
5
IN
PWR_ON/OFF
Programmable active high/low input signals the start of the power
sequencing. When asserted the part will sequence the supplies on and
when de-asserted the part will sequence the supplies off.
Note: The SMM465 does not monitor for faults during sequencing. The
PWR_ON/OFF pin is overridden by the I
2C power on/off command. To get
the pin to work again requires the part be given an I
2C 'Clear' command (see
page 16, “RESTART OF POWER-ON CASCADE SEQUENCING”).
6
IN
FS
Programmable active high/low input. Force shutdown is used to immediately
turn off all converter enable signals (PUP outputs) when a fault is detected.
7
OUT
FAULT
Programmable active high/low open drain Fault output.
Active when a
programmed fault condition exists on AIN1, AIN2, or the internal temperature
sensor.
8
OUT
HEALTHY
Programmable active high/low open drain Healthy output. Active when all
programmed power supply inputs and monitored inputs are within OV and
UV limits.
9
OUT
RST
Programmable active high/low open drain Reset output. Active when a
programmed fault condition exists on any power supply inputs or monitored
inputs or when MR is active. RST has a programmable timeout period with
options for 0.64ms, 25ms, 100ms and 200ms.
10
IN
AIN1
General purpose monitored analog input
11
IN
AIN2
General purpose monitored analog input
12, 19,
24
GND
GND
Ground
13
IN
VREF_ADC
Voltage reference input used for A/D conversion where:
(4XVREF_ADC) = Full Scale (FS) for VMA-F and VDD
(12XVREF_ADC) = FS for 12VIN
(2XVREF_ADC) = FS for AIN1 and AIN2.
VREF_ADC can be connected to VREF_CNTL in most applications.
PIN DESCRIPTIONS


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