參數(shù)資料
型號: MAX5929BEEG+
廠商: Maxim Integrated
文件頁數(shù): 10/23頁
文件大?。?/td> 340K
描述: IC HOT SWAP CTLR QUAD 24QSOP
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 50
類型: 熱交換控制器
應用: 通用
內(nèi)部開關(guān):
電源電壓: 1 V ~ 15 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-SSOP(0.154",3.90mm 寬)
供應商設備封裝: 24-QSOP
包裝: 管件
The MAX5927A/MAX5929AMAX5929D turn off all
channels if any of the above conditions are not met.
After a fault-latched shutdown, cycle any of the ON_
inputs to unlatch and restart all channels.
Power-Sequencing Mode
Leave MODE floating to enter power-sequencing
mode. While in power-sequencing mode, the
MAX5927A/MAX5929AMAX5929D turn on and off
each channel depending on the state of the corre-
sponding V
ON_
. To turn on a given channel:
"  At least one V
IN_
must exceed V
UVLO
(2.45V) for the
UVLO to startup delay (37.5ms).
"  All V
IN_
must exceed V
PWRRDY
(0.95V).
"  The corresponding V
ON_
must exceed V
ON,TH
(0.875V).
"  No faults can be present on any channel.
Low-Voltage, Quad, Hot-Swap
Controllers/Power Sequencers
10   _______________________________________________________________________  ________________________________________________  __________________________________  ___________________
FAST COMP.
SLOW COMP.
FAST DISCHARGE
Q1
OUT1
2.45V
BIAS AND
REFERENCES
STARTUP
OSCILLATOR
TIMING
OSCILLATOR
CHARGE
PUMP
DEVICE CONTROL
 LOGIC
V
SC, TH
V
FC, TH
R
LIM1
SENSE1
IN1
GATE1
R
SENSE1
LIM1*
R
TIM
TIM
1nF
BIAS
POL*
R
LIM2
100糀
UVLO
UVLO
FAST COMP.
SLOW COMP.
FAST DISCHARGE
SLOW DISCHARGE
SLOW DISCHARGE
Q2
OUT2
CHARGE
PUMP
CURRENT CONTROL
AND
STARTUP LOGIC
CURRENT CONTROL
AND
STARTUP LOGIC
V
SC, TH
V
FS, TH
SENSE2
IN2
GATE2
R
SENSE2
LIM2*
100糀
STAT2
STAT1
LIM3*
LIM4*
FAST COMP.
SLOW COMP.
FAST DISCHARGE
Q3
OUT3
FAULT
MANAGEMENT
OPERATION
MODE
CHARGE
PUMP
ON
INPUT
CONPARATORS
V
SC, TH
V
FS, TH
SENSE3
IN3
GATE3
R
SENSE3
R
LIM3
R
LIM4
100糀
UVLO
UVLO
FAST COMP.
SLOW COMP.
FAST DISCHARGE
SLOW DISCHARGE
SLOW DISCHARGE
Q4
OUT4
CHARGE
PUMP
CURRENT CONTROL
AND
STARTUP LOGIC
CURRENT CONTROL
AND
STARTUP LOGIC
V
SC, TH
V
FS, TH
SENSE4
IN4
GATE4
R
SENSE4
100糀
3mA/
50mA
3mA/
50mA
3mA/
50mA
3mA/
50mA
STAT4
STAT3
*MAX5927A ONLY.
LATCH*
MODE
ON1 ON2 ON3 ON4
MAX5927A/
MAX5929A
MAX5929D
Figure 1. Functional Diagram
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