Rainbow-electronics MAX34440 Manuel d'utilisateur télécharger pdf (Page 12)

PMBus 6-Channel Power-Supply Manager

MAX34440

Block Diagram

Note: All pins except V

, V

, REG18, REG25, ADC, and the EP are high impedance with a 50µA pullup during device power-up

and reset. After device reset, the weak pullup is removed, and the pin is configured as input or output.

Pin Description (continued)

ADC

TEMP

SENSOR

FLASHRAM

A1/PG

A0/MUXSEL

MUX

MSDA

REG18

REG25

MSCL

SDA

SCL

ALERT

FAULT

RST

CONTROL

POWER

CONTROL

2.5V

VREG

1.8V

VREG

4MHz

OSCILLATOR

SMBus

MASTER

INTERFACE

SMBus

SLAVE

INTERFACE

16-BIT

MAXQ

RISC CORE

SYSTEM

CONTROL

SIGNALS

PULSE-

WIDTH

MODULATOR

PWM0

PWM1

PWM2

PWM3

PWM4

PWM5

PSEN0

PSEN1

PSEN2

PSEN3

PSEN4

RS+0

RS-0

RS+1

RS-1

RS+2

RS-2

RS+3

RS-3

RS+4

RS-4

RS+5

RS-5

POWER-

SUPPLY

OUTPUT

ENABLES

PSEN5

MAX34440

PIN NAME FUNCTION

39 RS-5 Ground Reference for ADC5 Voltage Measurement

40 RS+5 Power-Supply ADC Voltage-Sense Input, Measurement Relative to RS-5

— EP Exposed Pad (Bottom Side of Package). Connect EP to V

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 42 43

MAX34440 1
43 43

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Rainbow-electronics MAX34440 Manuel d'utilisateur Page 12

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