MAX34440 datasheet(41/43 Pages) MAXIM

Part #	MAX34440

Description	PMBus 6-Channel Power-Supply Manager

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Manufacturer	MAXIM [Maxim Integrated Products]

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PMBus 6-Channel Power-Supply Manager

41

MFR_TEMP_SENSOR_CONFIG (F0h)

The MFR_TEMP_SENSOR_CONFIG command is used to configure the temperature sensors. Table 26 describes the

MFR_TEMP_SENSOR_CONFIG command.

Table 26. MFR_TEMP_SENSOR_CONFIG

Applications Information

Power-Supply Decoupling

To achieve the best results when using the device,

decouple the VDD power supply with a 0.1FF capacitor.

Use a high-quality, ceramic, surface-mount capacitor

if possible. Surface-mount components minimize lead

inductance, which improves performance, and ceram-

ic capacitors tend to have adequate high-frequency

response for decoupling applications.

Decouple the REG25 and REG18 regulator outputs using

1FF and 10nF capacitors (one each per output).

Do not connect other circuitry to either of these pins.

Open-Drain Pins

MSDA, MSCL, SCL, SDA, FAULT, and ALERT are open-

drain pins and require external pullup resistors con-

nected to VDD to realize high logic levels.

PSEN0 to PSEN5 can be user-configured as either

CMOS push-pull or open-drain outputs. When config-

ured as open-drain, external pullup resistors connected

to VDD are required to realize high logic levels (see the

MFR_MODE settings).

BIT

BIT NAME

MEANING

15

ENABLE

Clearing and setting this bit reinitializes the temperature sensor.

0 = Temperature sensor disabled.

1 = Temperature sensor enabled.

14:0

0

These bits always return a 0.

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MAX34440 Datasheet(PDF) 41 Page - Maxim Integrated Products

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