Datasheet > SMM766B_11

SMM766B_11

更新时间： 2022-05-07 04:50:07

品牌	Logo	应用领域
SUMMIT		监视器控制器
页数	文件大小	规格书
39页	449K
描述
Six-Channel Active DC Output Controller, Monitor, Marginer and Sequencer with Sequence-Linkâ¢

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数据手册

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SMM766B_11 数据手册

SMM766B

PIN DESCRIPTIONS

Pin Name

Pin Description

Number Type

SDA (Serial Data) is an open drain bi-directional pin used as the I²C data

line.

DATA

CLK

SDA

SCL

SCL (Serial Clock) is an open drain input pin used as the I²C Clock line.

The A2 (Address bit 2) pin is biased either to VDD_CAP or GND. When

communicating with the SMM766B over the 2-wire I²C bus, A2 provides a

mechanism for assigning a unique bus address.

MR# (Manual Reset) is an active low input. When asserted the RST# output

will become active. When de-asserted the RST# output will go inactive

immediately after a reset timeout period (t_RTO) if there are no RST# trigger

sources active. This timeout period makes it suitable to use as a pushbutton

for manual reset purposes.

MR#

PWR_ON (Power On) is an open drain bi-directional pin. On the rising edge

of PWR_ON the part will sequence the supplies on, during the falling edge

the part will sequence the supplies off. This pin must be tied high through an

external pull-up resistor.

Note: The SMM766B does not monitor for faults during power-on/off

sequencing.

I/O

PWR_ON

FS# (Force Shutdown) is an open drain active low bi-directional pin. FS# is

used to immediately turn off all converter enable signals (PUP outputs) when

a fault is detected. Whenever FS# is asserted PWR_ON will automatically be

pulled low as well. This pin must be tied high through an external pull-up

resistor.

FS#

The FAULT# pin is an active low open drain output. Active when a

programmed fault condition exists on AIN1, AIN2, or the internal temperature

sensor. When used, FAULT# should be pulled high through an external pull-

up resister.

OUT

FAULT#

HEALTHY is an active high open drain output. Active when all programmed

power supply inputs and monitored inputs are within OV and UV limits and

ADOC has begun. When used, HEALTHY should be pulled high through an

external pull-up resistor.

HEALTHY

RST# (Reset) is an active low open drain output pin. Active when a

programmed fault condition exists on any power supply inputs or monitored

inputs, when MR# is active, or when ADOC is not ready. RST# has a

programmable timeout period with options for 0.64ms, 25ms, 100ms and

200ms. When used, RST# should be pulled high through an external pull-up

resistor.

OUT

RST#

AIN1 (Analog Input 1) is a general-purpose monitored analog input.

AIN2 (Analog Input 2) is a general-purpose monitored analog input.

Ground.

AIN1

AIN2

GND

Summit Microelectronics, Inc

2122 3.1 5/24/2011

1 2 3 456 7 8...39

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