MAX5929LLEEG datasheet(8/25 Pages) MAXIM

Part #	MAX5929LLEEG

Description	Low-Voltage, Quad, Hot-Swap Controllers/Power Sequencers

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Manufacturer	MAXIM [Maxim Integrated Products]

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Low-Voltage, Quad, Hot-Swap

Controllers/Power Sequencers

8

_______________________________________________________________________________________

Pin Description

MAX5927

MAX5929

NAME

FUNCTION

14

IN1

Channel 1 Supply Input. Connect to a supply voltage from 1V to 13.2V and to one end of

RSENSE1. Bypass with a 0.1µF capacitor to ground.

25

SENSE1

Channel 1 Current-Sense Input. Connect SENSE1 to the drain of an external MOSFET

and to one end of RSENSE1.

36

GATE1

Channel 1 Gate-Drive Output. Connect to gate of external N-channel MOSFET.

4—

LIM4

Channel 4 Current-Limit Setting. Connect a resistor from LIM4 to GND to set current-trip

level. Connect to GND for the default 25mV threshold. Do not leave open.

57

IN4

Channel 4 Supply Input. Connect to a supply voltage from 1V to 13.2V and to one end of

RSENSE4. Bypass with a 0.1µF capacitor to ground.

68

SENSE4

Channel 4 Current-Sense Input. Connect SENSE4 to the drain of an external MOSFET

and to one end of RSENSE4.

79

GATE4

Channel 4 Gate-Drive Output. Connect to gate of external N-channel MOSFET.

810

STAT1

Open-Drain Status Signal for Channel 1. STAT1 asserts when hot swap is successful and

tSTART has elapsed. STAT1 deasserts if ON1 is low, or if channel 1 is turned off for any

fault condition.

911

STAT2

Open-Drain Status Signal for Channel 2. STAT2 asserts when hot swap is successful and

tSTART has elapsed. STAT2 deasserts if ON2 is low, or if channel 2 is turned off for any

fault condition.

10

12

TIM

Startup Timer Setting. Connect a resistor from TIM to GND to set the startup period.

Leave TIM unconnected for the default startup period of 9ms. RTIM must be between

4k

Ω and 500kΩ.

11, 20

—

N.C.

No Connection. Not internally connected.

12

—

LATCH

Latch/Autoretry Selection Input. Connect LATCH to GND for autoretry mode after a fault.

Leave LATCH open for latch mode.

13

STAT3

Open-Drain Status Signal for Channel 3. STAT3 asserts when hot swap is successful and

tSTART has elapsed. STAT3 deasserts if ON3 is low, or if channel 3 is turned off for any

fault condition.

14

STAT4

Open-Drain Status Signal for Channel 4. STAT4 asserts when hot swap is successful and

tSTART has elapsed. STAT4 deasserts if ON4 is low, or if channel 4 is turned off for any

fault condition.

15

BIAS

Supply Reference Output. The highest supply is available at BIAS for filtering. Connect a

1nF to 10nF ceramic capacitor from BIAS to GND. No other connections are allowed to

this pin.

16

GND

Ground

17

GATE3

Channel 3 Gate-Drive Output. Connect to gate of external N-channel MOSFET.

18

SENSE3

Channel 3 Current-Sense Input. Connect SENSE3 to the drain of an external MOSFET

and to one end of RSENSE3.

19

IN3

Channel 3 Supply Input. Connect to a supply voltage from 1V to 13.2V and to one end of

RSENSE3.

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