PDF D44TL1A0 Data sheet ( Hoja de datos )

Número de pieza	D44TL1A0
Descripción	Digital Supervisor
Fabricantes	Vicor
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No Preview Available ! Digital Supervisor D44TL1A0 For use with VI Chip® BCM Bus Converter Module Features • PMBus™ compatible host interface for enhanced monitoring and control of ChiP BCM Bus Converter Modules • Interfaces with up to four BCMs through dedicated UART interfaces via Vicor Digital Isolators I13TL1A0 enabling secondary referenced BCM control and telemetry • OVP, OCP, OTP protection and monitoring • 10 mm x 10 mm Land Grid Array (LGA) package Typical Applications • 380 VDC Power Distribution • High End Computing Systems • Automated Test Equipment • Industrial Systems • High Density Power Supplies • Communications Systems • Transportation Product Description The D44TL1A0 is a digital power system supervisor which provides a communication interface between a host processor and up to four ChiP BCM Bus Converter Modules. The Supervisor communicates with a system controller via a PMBus compatible interface. Acting as a communication bridge, the Supervisor communicates with up to four BCM Bus Converter Modules over isolated UART interfaces. Through the D44TL1A0, the host processor can conﬁgure, set protection limits, and monitor each BCM. Standard Models Part Number D44TL1A0 Package Type LGA (10 x 10 mm) Temperature T-Grade (-40°C to 125°C) BCM® Digital Supervisor Page 1 of 25 Rev 1.2 12/2014 vicorpower.com 800 927.9474 1 page D44TL1A0 Absolute Maximum Ratings The absolute maximum ratings below are stress ratings only. Operation at or beyond these maximum ratings can cause permanent damage to the device. Parameter VDD IVDD VDDB RX4, RX3, RX2, RX1 TX4, TX3, TX2, TX1 SADDR, SSTOP SCL, SDA Comments Min -0.3 -0.3 -0.3 -0.3 -0.3 -0.3 Max 4.6 0.15 17.6 4.6 VVDD_IN + 0.5 3.6 5.5 Unit V A V V V V V Signal Characteristics Specifications apply over the rated supply range (VDD or VDDB), unless otherwise noted; Boldface specifications apply over the temperature range of -40°C ≤ TINTERNAL ≤ 125°C (T-Grade); All other specifications are at TINTERNAL = 25ºC unless otherwise noted. VDD Pin • Regulated supply power input to the module, required when VDDB is not used to supply power to the device. • Regulated output 3.3 V nominal output when supervisor is powered by VDDB. • Intended to be used as low current supply for ancillary circuits. SIGNAL TYPE POWER INPUT POWER OUTPUT STATE Regular Operation Startup Regular Operation Transition ATTRIBUTE VDD Voltage input VDD Current consumption Inrush Current Peak Turn on time VDD Voltage output VDD source Current VDD Capacitance (External) SYMBOL CONDITIONS / NOTES VVDD_IN IVDD_IN IVDD_ INR tVDD_ON VVDD_OUT IVDD_OUT CVDD_EXT VVDD_IN Slew Rate = 1 V/µs From VVDD_IN_MIN to PMBus™ active MIN 3.0 3.23 TYP MAX UNIT 3.3 3.6 V 50 mA 2.5 A 1.5 ms 3.30 3.37 V 50 mA 1 µF VDDB Pin • Unregulated supply power input, required when VDD is not used as supply. • This pin is a no connect pin if VDD pin is used to power the device. SIGNAL TYPE POWER INPUT STATE Regular Operation Startup ATTRIBUTE VDDB Voltage VDDB Current consumption Inrush Current Peak Turn on time SYMBOL CONDITIONS / NOTES VVDDB IVDDB IVDDB_INR tVDDB_ON VVDDB Slew Rate = 1 V/µs From VVDDB_MIN to PMBus active MIN TYP MAX UNIT 3.6 16 V 50 mA 3.5 A 1.5 ms SGND Pin • Power supply return pin, and reference for all Digital Supervisor signal Input / Output. BCM® Digital Supervisor Page 5 of 25 Rev 1.2 12/2014 vicorpower.com 800 927.9474 5 Page D44TL1A0 PMBusTM Interface Refer to “PMBus Power System Management Protocol SpeciﬁcationRevision 1.2, Part I and II” for complete PMBus speciﬁcations details visit http://pmbus.org. Device Address The PMBus address (SADDR Pin) should be set to one of a predetermined 16 possible addresses shown in the table below using a voltage divider from VDD to SGND. The Digital Supervisor accepts only a ﬁxed and persistent address and does not support SMBus address resolution protocol. At initial power-up, the Digital Supervisor will sample the address pin voltage, and will hold this address until device power is removed. ID Slave Address 1 1010 000b 2 1010 001b 3 1010 010b 4 1010 011b 5 1010 100b 6 1010 101b 7 1010 110b 8 1010 111b 9 1011 000b 10 1011 001b 11 1011 010b 12 1011 011b 13 1011 100b 14 1011 101b 15 1011 110b 16 1011 111b HEX 50h 51h 52h 53h 54h 55h 56h 57h 58h 59h 5Ah 5Bh 5Ch 5Dh 5Eh 5Fh Recommended Resistor Divider (Ω) R1 R2 13700 442 13300 1370 5760 1070 7320 2050 7150 2800 5230 2740 10700 7320 16200 14300 14300 16200 7320 10700 2740 5230 5360 13700 1690 6040 1070 5760 1370 13300 442 13700 BCM Enable Control Pin The BCM EN Control pin input from host processor can be used to turn the BCM powertrain on and off. The host will need to energize the Digital Isolator channels of all used BCMs. For a synchronous BCM startup, it is possible to connect all four Digital Isolator pins (SER-IN-A) together. The input pin (SER-IN-A) to the Digital Isolator requires at a minimum 2.5 V and N times 5 mA per N number of channels driven for proper biasing. The output of each Digital Isolator pin (SER-OUT-A) can then drive the respective BCM EN pin. Refer to the Digital Isolator datasheet for more details. The BCM EN pin has a higher priority level than the OPERATION COMMAND (01h). The BCM powertrain will remain off if the BCM EN pin is disabled. Reported DATA Formats The Digital Supervisor employs a direct data format where all reported Digital Supervisor measurements are in Volts, Amperes, Degrees Celsius, or Seconds. The host uses the following PMBus speciﬁcation to interpret received values metric preﬁxes. Note that the Coefficients command is not supported: X= ( 1 m ) • (Y • 10-R - b) Where: X, is a “real world” value in units (A, V, °C, s) Y, is a two’s complement integer received from the Digital Supervisor m, b and R are two’s complement integers deﬁned as follows: Command TON_DELAY READ_VIN READ_IIN READ_VOUT READ_IOUT READ_TEMPERATURE_1 READ_POUT MFR_VIN_MIN MFR_VIN_MAX MFR_VOUT_MIN MFR_VOUT_MAX MFR_IOUT_MAX MFR_POUT_MAX READ_K_FACTOR READ_BCM_ROUT Code 60h 88h 89h 8Bh 8Ch 8Dh 96h A0h A1h A4h A5h A6h A7h D1h D4h m 1 1 1 1 1 1 1 1 1 1 1 1 1 65536 1 R 3 1 3 1 2 0 0 0 0 0 0 0 0 0 2 b 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 [1] Default READ Output Voltage returned when BCM unit is disabled = -300 V. [2] Default READ Temperature returned when BCM unit is disabled = -273°C. No special formatting is required when lowering the supervisory limits and warnings. BCM® Digital Supervisor Page 11 of 25 Rev 1.2 12/2014 vicorpower.com 800 927.9474 11 Page

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