MXL7704-AQB-R datasheet, PDF - EEWORLD Datasheet

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MXL7704-AQB-R: DescriptionProfessional Power Management (PMIC) 5 Output Universal PMIC; Categorysemiconductor Power management IC Professional power management (PMIC); File Size3MB，44 Pages; ManufacturerMaxLinear

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MXL7704-AQB-R Overview

Professional Power Management (PMIC) 5 Output Universal PMIC

MXL7704-AQB-R Parametric

Parameter Name	Attribute value
Maker	MaxLinear
Product Category	Professional Power Management (PMIC)
Output voltage range	0.6 V to 3.6 V
Output current	4 A
Input voltage range	4 V to 5.5 V
Input Current	8 mA
Minimum operating temperature	- 40 C
Maximum operating temperature	+ 125 C
Installation style	SMD/SMT
Package/box	QFN-32
type	Universal PMIC
Encapsulation	Reel
product	PMIC
series	MXL7704
development kit	MxL7704-A-EVB
Working power current	8 mA
Working power voltage	4 V to 5.5 V
Pd-power dissipation	3.65 W
Factory packaging quantity	3000

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Data Sheet

Five Output Universal PMIC

MxL7704

General Description

The

MxL7704

is a five output Universal PMIC optimized for

powering low power FPGAs, DSPs, and microprocessors

from 5V inputs. Four synchronous step down buck

regulators range from 1.5A system power to 4A core

power. A 100mA LDO provides a clean 1.5V to 3.6V

power for auxiliary devices. All outputs support ±10%

margining and the two highest power outputs support

dynamic voltage control to support processors that can

utilize this function to save power. Through a 400kHz I

interface, the customer can monitor an input voltage flag

and PGOOD flags for each output. The I

C port can also

be used to modify power up and down sequencing options,

assign PGOOD outputs to the PGOOD pins, enable

outputs and select switching frequency.

High switching frequency and a current mode architecture

with internal compensation enable a very fast transient

response to line and load changes without sacrificing

stability and keeping board space to a minimum.

Fault protection features include input undervoltage

lockout, overcurrent protection, and thermal protection.

The MxL7704 is offered in a 5mm x 5mm QFN package.

Two pre-programmed standard products are available.

The MxL7704-X has been optimized for powering the

Xilinx

Zynq

Ultrascale+™ ZU2 and ZU3 MPSoCs.

The bucks are pre-programmed to provide the core rail

(0.85V up to 4A), DDR3L memory power (1.35V), I/O and

system power (1.8V and 3.3V). Sequencing is tailored

to the unique needs of the ZU2 and ZU3 MPSoCs,

offering accelerated time to market with Xilinx

Zynq

Ultrascale+™ ZU2 and ZU3 devices. The MxL7704-A

is designed to power a wide range of ARM

Cortex

based processors (A7, A9, and A53) which use a more

conventional sequencing scheme where the I/O rails

power up first and core is last. The bucks provide the 1.2V

core rail, 1.35V DDR3L power, 1.8V and 3.3V rails for I/O

and system power. VTT is supported by the addition of

the XRP2997 DDR Bus Termination Regulator.

Features

■■

Input voltage range: 4.0V to 5.5V

4 Synchronous Buck Regulators

–

■■

Internally compensated current mode

1MHz to 2.1MHz switching frequency

Buck 1: 3.0V to 3.6V, 20mV step, 1.5A

Buck 2: 1.3V to 1.92V, 20mV step, 1.5A

Buck 3: 0.8V to 1.6V, 6.25mV step, 2.5A

Buck 4: 0.6V to 1.4V, 6.25mV step, 4A

■■

100mA LDO 1.5V to 3.6V, 20mV step

±2% maximum total dc output error over line, load and

temperature

3.3V/5V 400kHz I

C interface

–

Dynamic voltage scaling

–

■■

Status monitoring by channel

Sequencing control

Input voltage status register

■■

Highly flexible conditional sequencing engine with

external input

2 configurable PGOOD outputs

Adjustable switching frequency

5mm x 5mm 32-pin QFN package

Two standard factory programmed devices

–

MxL7704-A: IO rails up first, core last (1.2V)

–

MxL7704-X for Xilinx

ZU2 and ZU3 MPSoCs

Applications

■■

Low power processor, ASIC and FPGA power

Industrial control

Test equipment

POS terminals

Ordering Information -

Back Page

•

www.maxlinear.com

•

Rev 1B

REV1A

i/i

MxL7704 Data Sheet

Table of Contents

General Description .................................................................................................................... i

Features........................................................................................................................................ i

Applications ................................................................................................................................. i

MxL7704 Specifications

............................................................................................................. 1

Absolute Maximum Ratings .............................................................................................. 1

ESD Rating .......................................................................................................................... 1

Operating Conditions ......................................................................................................... 1

Electrical Characteristics ................................................................................................... 2

Pin Information ........................................................................................................................... 9

Pin Configuration

............................................................................................................... 9

Pin Description ................................................................................................................. 10

Typical Performance Characteristics ..................................................................................... 11

Functional Block Diagram ....................................................................................................... 14

Applications Information ......................................................................................................... 15

Operation ........................................................................................................................... 15

Output Voltage Scaling .................................................................................................... 15

Sequencing ....................................................................................................................... 16

Power Down Sequencing of Channels ........................................................................... 16

SEQ EN and Channel Enable Bits ................................................................................... 17

Changing Sequencing Registers While Operating ........................................................ 17

PGOOD .............................................................................................................................. 18

Input Voltage Monitor Flag............................................................................................... 18

Hot Start ............................................................................................................................ 18

Sequencing Examples ..................................................................................................... 20

Faults ................................................................................................................................. 22

UVP (Under Voltage Protection) ............................................................................................. 22

OVP (Output Over Voltage Protection) ................................................................................... 22

OCP (Over Current Protection) ............................................................................................... 22

Channel vs Chip Fault Actions ................................................................................................ 23

Minimum t

and Minimum Duty Cycle Limitation ....................................................... 24

7/3/18

Rev 1B

iii

MXL7704-AQB-R Related Products

	MXL7704-AQB-R	MXL7704-XQB-R
Description	Professional Power Management (PMIC) 5 Output Universal PMIC	Professional Power Management (PMIC) 5 Output Universal PMIC
Maker	MaxLinear	MaxLinear
Product Category	Professional Power Management (PMIC)	Professional Power Management (PMIC)
Output voltage range	0.6 V to 3.6 V	0.6 V to 3.6 V
Output current	4 A	4 A
Input voltage range	4 V to 5.5 V	4 V to 5.5 V
Input Current	8 mA	8 mA
Minimum operating temperature	- 40 C	- 40 C
Maximum operating temperature	+ 125 C	+ 125 C
Installation style	SMD/SMT	SMD/SMT
Package/box	QFN-32	QFN-32
type	Universal PMIC	Universal PMIC
Encapsulation	Reel	Reel
product	PMIC	PMIC
series	MXL7704	MXL7704
development kit	MxL7704-A-EVB	MxL7704-X-EVB
Working power current	8 mA	8 mA
Working power voltage	4 V to 5.5 V	4 V to 5.5 V
Pd-power dissipation	3.65 W	3.65 W
Factory packaging quantity	3000	3000

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