ZSPM2000 datasheet(28/43 Pages) RENESAS

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ZSPM2000 Datasheet

January 27, 2016

4.5.

Monitoring

The ZSPM2000 has a dedicated set of PMBus™ registers to enable advanced power management using

extensive monitoring features. Different warning and error flags can be read by the PMBus™ master to ensure

proper operation of the power converter or monitor the converters over its lifetime.

Table 4.5

List of Supported PMBus™ Status Registers/Commands

PMBus™ Command

Code

Description

Data Format

CLEAR_FAULTS

03HEX

Clear status information

STATUS_BYTE

78HEX

Unit status byte

STATUS_WORD

79HEX

Unit status word

STATUS_VOUT

7AHEX

Output voltage status

STATUS_IOUT

7BHEX

Output current status

STATUS_INPUT

7CHEX

Input status

STATUS_TEMPERATURE

7DHEX

Temperature status

STATUS_CML

7EHEX

Communication and memory status

STATUS_MFR_SPECIFIC

7FHEX

Manufacturer-specific status

READ_VIN

88HEX

Input voltage read back

LINEAR

READ_VOUT

8BHEX

Output voltage read back

LINEAR

READ_IOUT

8CHEX

Output current read back

LINEAR

READ_TEMPERATURE_1

8DHEX

External temperature read back

LINEAR

READ_TEMPERATURE_2

8EHEX

Internal temperature read back

LINEAR

4.6.

Miscellaneous

Table 4.6

Additional Supported PMBus™ Registers

PMBus™ Command

Code

Description

Data Length (Byte)

Values

PMBUS_REVISION

98HEX

PMBus™ revision

11HEX

MFR_ID

99HEX

Manufacturer ID

“ZMDI”

(5AHEX, 4DHEX,

44HEX, 49HEX)

MFR_MODEL

9AHEX

Manufacturer model identifier

“2000”

(32HEX, 30HEX,

30HEX, 30HEX)

MFR_REVISION

9BHEX

Manufacturer product revision

MFR_SERIAL

9EHEX

Serial number

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