MAX16067 datasheet(23/47 Pages) MAXIM

Part #	MAX16067

Description	6-Channel, Flash-Configurable System Manager with Nonvolatile Fault Registers

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Manufacturer	MAXIM [Maxim Integrated Products]

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______________________________________________________________________________________ 23

6-Channel, Flash-Configurable System Manager

with Nonvolatile Fault Registers

Table 19. Autoretry Configuration

Programmable Outputs

(EN_OUT1–EN_OUT6)

The MAX16067 includes six programmable outputs.

These outputs are capable of connecting to either the

enable (EN) inputs of a DC-DC or LDO power sup-

ply, or to drive the gate of an n-channel MOSFET in

charge-pump mode. Selectable output configurations

include: active-low or active-high, open-drain or push-

pull. EN_OUT1–EN_OUT3 can act as charge-pump

outputs, EN_OUT1–EN_OUT6 can be configured as

general-purpose inputs or general-purpose outputs. Use

the registers r30h–r33h to configure outputs. See Table

20 for detailed information on configuring EN_OUT1–

EN_OUT6.

In charge-pump configuration: EN_OUT1, EN_OUT2,

and EN_OUT3 act as high-voltage charge-pump out-

puts to drive up to three external n-channel MOSFETs.

During sequencing, an EN_OUT_ output is configured

as a charge-pump output 11V above GND. See the

Sequencing section for more detailed information on

power-supply sequencing.

In open-drain output configuration: Connect an exter-

nal pullup resistor from the output to an external volt-

age up to 5.5V (EN_OUT4, EN_OUT5, EN_OUT6) or

14V (EN_OUT1, EN_OUT2, EN_OUT3) when configured

as an open-drain output. Choose the pullup resistor

depending on the number of devices connected to the

open-drain output and the allowable current consump-

tion. The open-drain output configuration allows wired-

OR connection.

In push-pull configuration: The MAX16067’s program-

mable outputs are referenced to VDBP.

REGISTER

ADDRESS

FLASH

ADDRESS

BIT

RANGE

DESCRIPTION

74h

274h

[2:0]

Retry Delay

000 = 20ms

001 = 40ms

010 = 80ms

011 = 150ms

100 = 280ms

101 = 540ms

110 = 1s

111 = 2s

[4:3]

Autoretry/Latch Mode

00 = Latch

01 = Retry 1 time

10 = Retry 3 times

11 = Always retry

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