NQB-D Datasheet, PDF(27/36 Page) CUI INC – FULLY REGULATED ADVANCED BUS CONVERTERS

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

NQB-D Datasheet, PDF (27/36 Pages) CUI INC – FULLY REGULATED ADVANCED BUS CONVERTERS

◁

For more information, please visit the product page.

CUI Inc â SERIES: NQB-D â DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS

date 11/07/2014 â page 27 of 36

requirements. Note that an additional delay of 5 ms has

to be inserted in case of storing the RAM content into the

internal non-volatile memory.

PMBus Commands

The products are PMBus compliant. The following table

lists the implemented PMBus read commands. For

more detailed information see PMBus Power System

Management Protocol Specification; Part I â General

Requirements, Transport and Electrical Interface and

PMBus Power System Management Protocol; Part II â

Command Language.

Designation

Standard PMBus Commands

Control Commands

OPERATION

ON_OFF_CONFIG

WRITE_PROTECT

Output Commands

VOUT_MODE

VOUT_COMMAND

VOUT_TRIM

VOUT_CAL_OFFSET

VOUT_MAX

VOUT_MARGIN_HIGH

VOUT_MARGIN_LOW

VOUT_TRANSITION_RATE

VOUT_SCALE_LOOP

VOUT_SCALE_MONITOR

MAX_DUTY

FREQUENCY_SWITCH

VIN_ON

VIN_OFF

IOUT_CAL_GAIN

IOUT_CAL_OFFSET

Fault Commands

VOUT_OV_FAULT_LIMIT

VOUT_OV_FAULT_RESPONSE

VOUT_OV_WARN_LIMIT

VOUT_UV_WARN_LIMIT

VOUT_UV_FAULT_LIMIT

VOUT_UV_FAULT_RESPONSE

IOUT_OC_FAULT_LIMIT

Cmd Prot

01h No

02h No

10h No

20h No

21h No

22h No

23h Yes

24h No

25h No

26h No

27h No

29h Yes

2Ah Yes

32h No

33h No

35h No

36h No

38h Yes

39h Yes

40h No

41h No

42h No

43h No

44h No

45h No

46h No

Designation

IOUT_OC_FAULT_RESPONSE

IOUT_OC_LV_FAULT_LIMIT

IOUT_OC_WARN_LIMIT

OT_FAULT_LIMIT

OT_FAULT_RESPONSE

OT_WARN_LIMIT

UT_WARN_LIMIT

UT_FAULT_LIMIT

UT_FAULT_RESPONSE

VIN_OV_FAULT_LIMIT

VIN_OV_FAULT_RESPONSE

VIN_OV_WARN_LIMIT

VIN_UV_WARN_LIMIT

VIN_UV_FAULT_LIMIT

VIN_UV_FAULT_RESPONSE

POWER_GOOD_ON

POWER_GOOD_OFF

Time setting Commands

TON_DELAY

TON_RISE

TON_MAX_FAULT_LIMIT

TON_MAX_FAULT_RESPONSE

TOFF_DELAY

TOFF_FALL

TOFF_MAX_WARN_LIMIT

Status Commands (Read Only)

CLEAR_FAULTS

STATUS_BYTES

STATUS_WORD

STATUS_VOUT

STATUS_IOUT

STATUS_INPUT

STATUS_TEMPERATURE

STATUS_CML

STATUS_OTHER

Monitior Commands (Read Only)

READ_VIN

READ_VOUT

READ_IOUT

READ_TEMPERATURE_1

READ_TEMPERATURE_2

READ_DUTY_CYCLE

Cmd Prot

47h No

48h No

4Ah No

4Fh No

50h No

51h No

52h No

53h No

54h No

55h No

56h No

57h No

58h No

59h No

5Ah No

5Eh No

5Fh No

60h No

61h No

62h No

63h No

64h No

65h No

66h No

03h No

78h No

79h No

7Ah No

7Bh No

7Ch No

7Dh No

7Eh No

7Fh No

88h No

8Bh No

8Ch No

8Dh No

8Eh No

94h No

cui.com

▷