DC1540A Linear Technology, DC1540A Datasheet
DC1540A
Specifications of DC1540A
Related parts for DC1540A
DC1540A Summary of contents
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... LTpowerPlay GUI and allows the user to confi gure LTC2978s, controlling separate power supplies. To get this demo system up and running, connect the DC1540A to your computer using a DC1427A or a DC1613A 2 (USB to I C/SMBus/PMBus Controller). The following is a checklist of items which you can obtain from LTpowerPlay ...
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... DEMO MANUAL DC1540A Table 1. LTC2978 Performance Summary (Specifications Over Temperature –40°C ≤ T PARAMETER CONDITION V Supply Input Voltage Range PWR V Supply Input Voltage Range DD33 ADC Total Unadjusted Error V IN ADC Voltage Sensing Input Range ADC Current Sensing Input Range ADC Voltage Sensing Resolution Resolution = 8 ...
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... DOWNLOAD GUI TO YOUR PC LTpowerPlay can be downloaded from www.ltpowerplay.com. Complete instructions are located there. DEMO MANUAL DC1540A Demo System Hardware Hardware required USB cable 2. 12V > 0.5A power supply 3. USB DC1540A = DC1360A + DC1361A Figure 1. Single LTC2978 Demo Setup Using DC1540A 2 C/SMBus/PMBus Controller dc1540af 3 ...
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... DEMO MANUAL DC1540A QUICK START PROCEDURE The following procedure describes how to set up one DC1540A. 1. Remove both boards from bag. 2. Place boards on level surface. Connect boards together using the 54-pin edge connector. See below DC1360A, set jumpers and switches as follows. See also Table 3. ...
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... QUICK START PROCEDURE 7. If you have a DC1427A, connect DC1360A as shown below. DEMO MANUAL DC1540A Figure 3. DC1427A Connection Figure 4. DC1613 Connection dc1540af 5 ...
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... DEMO MANUAL DC1540A QUICK START PROCEDURE 8. Launch the LTpowerPlay GUI. a. The GUI should indentify the LTC2978. The system tree on the left hand side should look like: b. Confi rm that the LTC2978 is communicating. A green message box shows for a few seconds in the lower left hand corner c. In the Toolbar, click the “ ...
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... The LTM4603 outputs may be shorted indefi nitely. This is a good way to induce UV faults the DC1360A is used without the DC1361A, it will report an overtemperature fault because its V are fl oating. This may be avoided by tying the V DEMO MANUAL DC1540A inputs to defi ned voltages. SENSE ...
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... DEMO MANUAL DC1540A DC1540A - DETAILS (DC1360A +DC1361A) 8 Figure 5. DC1540A Details dc1540af ...
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... JP5 JP6 DC1613 Header JP4 Table 3. DC1360A - Default Jumper Configuration. Use ASEL’s to Select I JP2 JP3 ASEL1 ASEL0 LO LO DEMO MANUAL DC1540A POWER GOOD GRN LED +12V test pt WDI / RESETB ALERTB BUTTON RED LED JP2 JP3 FAULTB test pts Figure 6. DC1360A Top Side 2 C Address ...
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... DEMO MANUAL DC1540A DC1360A DETAILS - BOTTOM SIDE Figure 7. DC1360A Bottom Side Confi guration Resistors Confi guration resistors are on the bottom side. They allow multiple ways to make fault dependencies between boards. Table 4. Optional Configuration Resistors REF Des Signal R9 FAULTB10 to FAULTB01 ...
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... Connect, Open or Float Tie to GND Don’t Care DD33 2 * MFR_I C_BASE_ADDRESS = 7‘h5C (factory default DEMO MANUAL DC1540A the PMBus Alert Response address regardless of the state of the address select pins. By connecting each of the address inputs fl oating them, the user determines the slave address, as shown in Table 4 ...
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... DEMO MANUAL DC1540A DC1361A DETAILS - TOP SIDE Table 6. DC1361A - Default Jumper and Switch Configurations JP1 V IN_SNS Installed = Master SW1 Master JP2, JP3 in soft start position allows V start up with their turn on ramp determined by their soft- start caps. Their sequence position is determined by the LTC2978 ...
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... These are: R21, R26, R29, R38, R48, R67, R73, R79. See Figure 9. The value for the R resistor is: SET R = 60.4k/((V /0.6) –1)) SET OUT DEMO MANUAL DC1540A See also the LTM4603 datasheet Table SGND. adjusted up to 5V. The other channels may be adjusted 4V. may be OUT0 dc1540af ...
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... DEMO MANUAL DC1540A DC1361A – ADJUSTING THE MARGIN/TRIM RANGE AND RESOLUTION The resolution and range can be adjusted for any output on the DC1361A by simply replacing the below resistors. Use the LTC2978 Resistor Selection Tool (spreadsheet) for calculating resistors values and proper DAC range settings ...
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... R75 (top side) on DC1361A schematic p.9 to measure only the current going out of the board. Figure 11. Current Sensing Modifi cations (Bottom Side of Board) DEMO MANUAL DC1540A One simple checkbox in the GUI sets up Channel 7 to measure current. In the MFR_CONFIG_LTC2978 register check the box that says “adc_hires”. Apply a load between the big turrets 1.0V and GND on V voltage across the 10mΩ ...
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... DEMO MANUAL DC1540A COMMON DEMO BOARD OPERATIONS Reset the LTC2978 To reset the LTC2978 and reload the EEPROM contents into operating memory (RAM), press SW3. DC1360A LEDs The Red ALERTB LED indicates a fault has occurred. The Green LED indicates the status of the PWRGD signal. ...
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... LTC2978. Additionally, each FAULTBz pin ties to a FAULTn (n =1,2,3,4) line on the DC1360A which is bussed DEMO MANUAL DC1540A to other DC1360A’ multiboard array. Therefore possible for any channel in an array to shutoff in response to any other channel. ...
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... DEMO MANUAL DC1540A SETUP PROCEDURE FOR MULTI-BOARD ARRAYS Multiple DC1540As can be combined to control as many output voltages as desired. 1. Connect DC1360A’s to DC1361A’s. 2. Solder wires from the +12V and GND turrets of Master DC1361A and connect into the terminal block of the Slave board. ...
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... SCHEMATIC DIAGRAM DEMO MANUAL DC1540A dc1540af 19 ...
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... DEMO MANUAL DC1540A SCHEMATIC DIAGRAM 20 dc1540af ...
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... SCHEMATIC DIAGRAM DEMO MANUAL DC1540A dc1540af 21 ...
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... DEMO MANUAL DC1540A SCHEMATIC DIAGRAM 22 dc1540af ...
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... PARTS LIST DEMO MANUAL DC1540A dc1540af 23 ...
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... DEMO MANUAL DC1540A SCHEMATIC DIAGRAM 24 dc1540af ...
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... SCHEMATIC DIAGRAM DEMO MANUAL DC1540A dc1540af 25 ...
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... DEMO MANUAL DC1540A SCHEMATIC DIAGRAM VOUT K11 VOUT K10 VOUT K9 VOUT K8 VOUT K7 VOUT K6 VOUT K5 VOUT K4 VOUT K3 VOUT K2 VOUT K1 VOUT J10 VOUT J9 VOUT J8 VOUT J7 VOUT J6 VOUT J5 VOUT J4 VOUT J3 VOUT J2 VOUT J1 VIN C6 VIN C5 VIN C4 VIN C3 VIN C2 VIN C1 VIN B6 VIN B5 VIN B4 VIN B3 VIN B2 VIN ...
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... VOUT J1 VIN C6 VIN C5 VIN C4 VIN C3 VIN C2 VIN C1 VIN B6 VIN B5 VIN B4 VIN B3 VIN B2 VIN B1 VIN A6 VIN A5 VIN A4 VIN A3 VIN A2 VIN A1 DEMO MANUAL DC1540A 1 3 PGND H9 PGND H8 PGND H7 PGND H6 PGND H5 PGND H4 PGND H3 PGND H2 PGND H1 PGND G9 PGND G8 PGND G7 PGND G6 PGND G5 PGND G4 PGND G3 PGND G2 PGND ...
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... DEMO MANUAL DC1540A SCHEMATIC DIAGRAM VOUT K11 VOUT K10 VOUT K9 VOUT K8 VOUT K7 VOUT K6 VOUT K5 VOUT K4 VOUT K3 VOUT K2 VOUT K1 VOUT J10 VOUT J9 VOUT J8 VOUT J7 VOUT J6 VOUT J5 VOUT J4 VOUT J3 VOUT J2 VOUT J1 VIN C6 VIN C5 VIN C4 VIN C3 VIN C2 VIN C1 VIN B6 VIN B5 VIN B4 VIN B3 VIN B2 VIN ...
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... VOUT J1 VIN C6 VIN C5 VIN C4 VIN C3 VIN C2 VIN C1 VIN B6 VIN B5 VIN B4 VIN B3 VIN B2 VIN B1 VIN A6 VIN A5 VIN A4 VIN A3 VIN A2 VIN A1 DEMO MANUAL DC1540A PGND H9 PGND H8 PGND H7 PGND H6 PGND H5 PGND H4 PGND H3 PGND H2 PGND H1 PGND G9 PGND G8 PGND G7 PGND G6 PGND G5 PGND G4 PGND G3 PGND G2 PGND G1 PGND ...
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... DEMO MANUAL DC1540A SCHEMATIC DIAGRAM VOUT K11 VOUT K10 VOUT K9 VOUT K8 VOUT K7 VOUT K6 VOUT K5 VOUT K4 VOUT K3 VOUT K2 VOUT K1 VOUT J10 VOUT J9 VOUT J8 VOUT J7 VOUT J6 VOUT J5 VOUT J4 VOUT J3 VOUT J2 VOUT J1 VIN C6 VIN C5 VIN C4 VIN C3 VIN C2 VIN C1 VIN B6 VIN B5 VIN B4 VIN B3 VIN B2 VIN ...
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... VOUT J1 VIN C6 VIN C5 VIN C4 VIN C3 VIN C2 VIN C1 VIN B6 VIN B5 VIN B4 VIN B3 VIN B2 VIN B1 VIN A6 VIN A5 VIN A4 VIN A3 VIN A2 VIN A1 DEMO MANUAL DC1540A PGND H9 PGND H8 PGND H7 PGND H6 PGND H5 PGND H4 PGND H3 PGND H2 PGND H1 PGND G9 PGND G8 PGND G7 PGND G6 PGND G5 PGND G4 PGND G3 PGND G2 PGND G1 PGND ...
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... DEMO MANUAL DC1540A SCHEMATIC DIAGRAM VSENSEM7 SENSE CURRENT VSENSEP7 SENSE CURRENT VOUT K11 VOUT K10 VOUT K9 VOUT K8 VOUT K7 VOUT K6 VOUT K5 VOUT K4 VOUT K3 VOUT K2 VOUT K1 VOUT J10 VOUT J9 VOUT J8 VOUT J7 VOUT J6 VOUT J5 VOUT J4 VOUT J3 VOUT J2 VOUT J1 VIN C6 VIN C5 VIN C4 VIN C3 VIN C2 VIN ...
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... VOUT J1 VIN C6 VIN C5 VIN C4 VIN C3 VIN C2 VIN C1 VIN B6 VIN B5 VIN B4 VIN B3 VIN B2 VIN B1 VIN A6 VIN A5 VIN A4 VIN A3 VIN A2 VIN A1 DEMO MANUAL DC1540A PGND H9 PGND H8 PGND H7 PGND H6 PGND H5 PGND H4 PGND H3 PGND H2 PGND H1 PGND G9 PGND G8 PGND G7 PGND G6 PGND G5 PGND G4 PGND G3 PGND G2 PGND G1 PGND ...
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... DEMO MANUAL DC1540A PARTS LIST Linear Technology Corporation Item Qty Reference 1 REQUIRED CIRCUIT COMPONENTS DC1361A is only a companion board to the DC1360A. None of these parts are required for LTC2978 operation. ADDITIONAL DEMO BOARD CIRCUIT COMPONENTS 1 4 C10,C11,C12,C13 2 1 C20 3 25 C21,COUT4,CIN4,COUT5,CIN5, CIN6,CIN7,COUT12,CIN14,CIN15,COU T18,COUT20,CIN20,CIN21, ...
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... Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representation that the interconnection of its circuits as described herein will not infringe on existing patent rights. DEMO MANUAL DC1540A Part Description RES 182K OHM 1/8W 1% 0805 SMD RES 90 ...
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... DEMO MANUAL DC1540A Linear Technology Corporation (LTC) provides the enclosed product(s) under the following AS IS conditions: This demonstration board (DEMO BOARD) kit being sold or provided by Linear Technology is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY and is not provided by LTC for commercial use. As such, the DEMO BOARD herein may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including but not limited to product safety measures typically found in finished commercial goods ...