Linear Technology DC1978A Скачать руководство пользователя страница 29

Страница: 29 / 33

dc1978af

DEMO MANUAL DC1978A

DC1810A PARTS LIST

ITEM

QTY

REFERENCE

PART DESCRIPTION

MANUFACTURER/PART NUMBER

R9, R28

RES 1k 1/10W 1% 0603 SMD

PANASONIC ERJ-3EKF1001V

R5, R21

RESISTOR 2.2Ω 1/10W 5% 0603

PANASONIC - ECG ERJ-3GEYJ2R2V

R6, R23

RES 10Ω 1/10W 1% 0603 SMD

PANASONIC - ECG ERJ-3EKF10R0V

R11, R14, R22, R25, R30, R55, R57,
R60

RES 20k 1/10W 1% 0603 SMD

NIC NRC06F2002TRF

R12, R24

RES 620Ω 1/10W 1% 0603 SMD

PANASONIC - ECG ERJ-3EKF6200V

R13, R19

RES 75k 1/10W 1% 0603 SMD

PANASONIC - ECG ERJ-3EKF7502V

R17

RES 10k 1/10W 1% 0603 SMD

PANASONIC - ECG ERJ-3EKF1002V

R18, R20

RES 226Ω 1/10W 1% 0603 SMD

PANASONIC - ECG ERJ-3EKF2260V

R27, R31

RES 13.3k 1/10W 1% 0603 SMD

YAGEO RC0603FR-0713K3L

R32

RES 40.2k 1/10W 1% 0603 SMD

VISHAY CRCW060340K2FKEA

R45

RES 0Ω 1/10W 0603 SMD

PANASONIC - ECG ERJ-3GEY0R00V

R46

RES 120k 1/10W 1% 0603 SMD

PANASONIC - ECG ERJ-3EKF1203V

R48

RES 60.4k 1/10W .5% 0603 SMD

YAGEO RT0603DRD0760K4L

R52

RES 91k 1/10W 1% 0603 SMD

PANASONIC - ECG ERJ-3EKF9102V

R56

RES 1MΩ 1/10W 1% 0603 SMD

NIC NRC06F1004TRF

R61

RES 30k 1/10W 1% 0603 SMD

NIC NRC06F3002TRF

R68

RESISTOR 0.020Ω 1W 1% 2512

PANASONIC - ECG ERJ-M1WSF20MU

R69, R72

RES 150k 1/10W 1% 0603 SMD

VISHAY CRCW0603150FKFEA

R70

RES 13.3k 1/10W 1% 0603 SMD

NIC NRC06F1332TRF

R71, R75, R76

RES 5.49k 1/10W 1% 0603 SMD

PANASONIC - ECG ERJ-3EKF5491V

R73

RES 10k 1/10W 1% 0603 SMD

PANASONIC - ECG ERJ-3EKF1002V

R77

RES 18Ω 1/2W 5% 1210 SMD

VISHAY/DALE CRCW121018R0JNEA

R78

RES 15Ω 1/2W 5% 1210 SMD

VISHAY/DALE CRCW121015R0JNEA

R79

RES 12Ω 1/2W 5% 1210 SMD

VISHAY/DALE CRCW121012R0JNEA

R80

RES 10Ω 1/2W 5% 1210 SMD

VISHAY/DALE CRCW121010R0JNEA

SW1, SW2, SW3, SW4

SW SLIDE DPDT 6VDC 0.3A PCMNT

C & K COMPONENTS JS202011CQN

TP1, TP2, TP3, TP4, TP5, TP6, TP7,
TP8

TERM SOLDER TURRET 0.094" HOLE

MILL MAX 2501-2-00-80-00-00-07-0

U1, U3

IC MOSFET DRVR 12V 40A 56-QFN

RENESAS - R2J20602NP#G3

LTC3860 - DUAL, MULTIPHASE STEP-DOWN
VOLTAGE MODE DC/DC CONTROLLER WITH
CURRENT SHARING

LINEAR TECHNOLOGY LTC3860EUH#PBF

LTM4620 - DUAL 13A OR SINGLE 26A DC/DC
μModule

REGULATOR

LINEAR TECHNOLOGY LTM4620

LTC4365 - UV, OV AND REVERSE SUPPLY
PROTECTION CONTROLLER

LINEAR TECHNOLOGY LTC4365CTS8

LTC6902 - MULTIPHASE OSCILLATOR
WITH SPREAD SPECTRUM FREQUENCY
MODULATION

LINEAR TECHNOLOGY LTC6902CMS

IC EEPROM 2k BIT 400kHz 8TSSOP

MICROCHIP TECHNOLOGY 24LC025-I/ST

LT1763 - 500mA, LOW NOISE, LDO
MICROPOWER REGULATORS

LINEAR TECHNOLOGY LT1763CS8-5

Hardware/Components (For Demo Board Only)

SHUNT1, SHUNT2, SHUNT3

CONN SHUNT 2mm 2POS

SAMTEC 2SN-BK-G

MH1, MH2, MH3, MH4

STAND-OFF NYLON 1/2" SNAP IN

KEYSTONE 8833

Содержание DC1978A

Страница 1: ...ing on the information therein All referenced brands product names service names and trademarks are the property of their respective owners 00000005981LF 000 EOS Power Buy Now We have 45 000 LP502030...

Страница 2: ...C1810A Just plug and play Multiple DC1978A board sets can be cascaded together to form a high channel count power supply see Multiboard Arrays This cascaded configuration demonstrates features of the...

Страница 3: ...G dac_gain 0 Buffer Gain Setting 1 MFR_CONFIG dac_gain 1 1 38 2 65 V V Temperature Sensor Resolution 0 136 C LSB Voltage Supervisor Input Voltage Range Low Resolution VIN_VS VSENSEP n VSENSEM n High R...

Страница 4: ...saved and reloaded at a later time LTpowerPlay provides unprecedented diagnostic and debug features It becomes a valuable diagnostic tool during board bring up to program or tweak the power managemen...

Страница 5: ...e LTC2974 EEPROM c Set the control jumpers JP4 to JP7 to SW0 to SW3 position to connect the switches to the LTC2974 control pins d Set all control switches SW0 SW1 SW2 and SW3 to HI 4 Confirm that all...

Страница 6: ...the LTC2974 This reads the configuration from the RAM of LTC2974 and loads it into the GUI d Save the demo board configuration to a proj file ClicktheSaveiconandsavethefile Nameitwhatever you want 8 T...

Страница 7: ...6 dc1978af DEMO MANUAL DC1978A DC1978A DETAILS TOP SIDE Figure 3 DC1978A Top Details DC1978a F03...

Страница 8: ...BINARY DEVICE ADDRESS BITS ADDRESS PINS 7 Bit 8 Bit 6 5 4 3 2 1 0 R W ASEL1 ASEL0 ALERT RESPONSE 0C 19 0 0 0 1 1 0 0 1 X X GLOBAL 5B B6 1 0 1 1 0 1 1 0 X X N 0 5C B8 1 0 1 1 1 0 0 0 L L N 1 5D BA 1 0...

Страница 9: ...QUENCING The LTC2974 supports tracking power supplies that are equipped with a tracking pin and configured for tracking A tracking power supply uses a secondary feedback ter minal TRACK to allow its o...

Страница 10: ...e up after the group has tracked up or sequence down before the group has tracked down TodemonstratethetrackingfeaturesofLTC2974 DC1810A has three jumpers JP1 JP2 and JP3 that can be set to connect re...

Страница 11: ...ion This connects the TRACK pins of the slave supply channels to the output voltage of the master channel through resistive dividers see Figure 6 2 Set DC1809A jumper JP4 to SW0 position to propagate...

Страница 12: ...nd the TON_DELAY for the master channel to 20ms COMMON DEMO BOARD OPERATIONS 6 Set the TOFF_DELAY of all slaves CH1 CH2 and CH3 to 20ms and the TOFF_DELAY for the master channel to 0ms 7 Set the TON_R...

Страница 13: ...ing Supplies Up with DC1978A Figure 8 Tracking Supplies Down with DC1978A 8 Set the track_en_chan1 track_en_chan2 and track_ en_chan3 bits in MFR_CONFIG3 to 1 9 ToggletheCONTROL0switchandobservethesyn...

Страница 14: ...high and the associated control input is connected to the power good output of the previous power supply In this configuration each slave channel s startup is delayed until the previous supply has pow...

Страница 15: ...r DC1978A Set the DC1809A power good cascading jumpers JP4 JP5 JP6 and JP7 to SW0 PG_0 PG_1 PG_2 positions This connects the power good and control pins as shown in Figure 9 2 Enable all output supply...

Страница 16: ...af DEMO MANUAL DC1978A COMMON DEMO BOARD OPERATIONS 5 Set the cascade_on bit in MFR_CONFIG register for CH1 CH2 and CH3 The master channel has this bit cleared 6 Use Group Operation On to power up all...

Страница 17: ...uencing Up with DC1978A Figure 11 Time Based Sequencing Down with DC1978A COMMON DEMO BOARD OPERATIONS 7 Use Group Operation Sequence Off to power down all supplies 8 ThepowersuppliescascadeON OFFassh...

Страница 18: ...Bus PMBus controller may be pluggedintoeitherboard IfbothLTC2974sdonotshow up in the GUI click the hourglass icon to enumerate the I2C bus and find the addresses of the parts Make sure to set differen...

Страница 19: ...offset of LTC2974 LOW LOW JP3 WRITE PROTECT Write protect the LTC2974 EEPROM memory OFF JP4 JP5 JP6 JP7 CONTROL0 CONTROL1 CONTROL2 CONTROL3 Implement cascade sequencing by connecting power good signal...

Страница 20: ...19 dc1978af DEMO MANUAL DC1978A DC1809A DETAILS BOTTOM...

Страница 21: ...IN HEADER 20 DUAL ROW MILL MAX 802 40 020 20 001 16 1 J4 CONN FMALE 50POS DL 0 1 R A GOLD SULLINS CONNECTOR SOLUTIONS PPPC252LJBN RC 17 1 J5 CONN HEADER VERT 0 050 4POS TYCO ELECTRONICS 5 104071 7 18...

Страница 22: ...C4365CTS8 Hardware Components For Demo Board Only 39 2 JP1 JP2 CONN HEADER 4POS 2mm VERT T H 3M 951104 8622 AR 40 5 JP3 JP4 JP5 JP6 JP7 CONN HEADER 3POS 2mm VERT T H SULLIN NRPN031PAEN RC 41 4 SW1 SW2...

Страница 23: ...22 dc1978af DEMO MANUAL DC1978A DC1809A SCHEMATIC DIAGRAM...

Страница 24: ...23 dc1978af DEMO MANUAL DC1978A DC1809A SCHEMATIC DIAGRAM...

Страница 25: ...24 dc1978af DEMO MANUAL DC1978A DC1809A SCHEMATIC DIAGRAM...

Страница 26: ...and Switch Configuration Default Position Shown in Grey in the Figure Above REFERENCE DESIGNATOR SIGNAL NAME USAGE DEFAULT JP1 JP2 Track Soft Start Set CH0 tracking or soft start for CH1 CH2 and CH3...

Страница 27: ...26 dc1978af DEMO MANUAL DC1978A DC1810A DETAILS BOTTOM...

Страница 28: ...2000pF 16V CERM X7R 0603 MURATA GRM188R71C223KA01D 16 4 C12 C19 C37 C42 CAP CER 4 7 F 10V X5R 0603 TAIYO YUDEN LMK107BJ475KA T 17 2 C14 C25 CAP CER 0 47 F 10V 20 X5R 0603 AVX 0603ZD474MAT2A 18 4 C15 C...

Страница 29: ...03150FKFEA 56 1 R70 RES 13 3k 1 10W 1 0603 SMD NIC NRC06F1332TRF 57 3 R71 R75 R76 RES 5 49k 1 10W 1 0603 SMD PANASONIC ECG ERJ 3EKF5491V 58 1 R73 RES 10k 1 10W 1 0603 SMD PANASONIC ECG ERJ 3EKF1002V 5...

Страница 30: ...29 dc1978af DEMO MANUAL DC1978A DC1810A SCHEMATIC DIAGRAM...

Страница 31: ...30 dc1978af DEMO MANUAL DC1978A DC1810A SCHEMATIC DIAGRAM...

Страница 32: ...ation is believed to be accurate and reliable However no responsibility is assumed for its use Linear Technology Corporation makes no representa tion that the interconnection of its circuits as descri...

Страница 33: ...UDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE EXCEPT TO THE EXTENT OF THIS INDEMNITY NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CON...

Результаты поиска

Содержание DC1978A

Отзывы:

Похожие инструкции для DC1978A

Бренды по названию

Популярные бренды

Linear Technology DC1978A, Руководство пользователя

Результаты поиска

Содержание DC1978A

Отзывы:

Похожие инструкции для DC1978A

Бренды по названию

Популярные бренды