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UG:306 

Page 11

** Output Voltage programmed to 24V typical. E

nd user to change divider or apply an external

voltage to EXT_VREF to change output voltage.**

10.0

K

R101

4.02

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R102

10.0

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1901

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ADDR

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ADDR

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DA

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VIN_

FILT

IS

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SD

A

SC

L

ENABLE

EA

O

VS

P

VD

IF

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PG

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VS

N

SY

NC

I

1 2 3 4 5 6 7 8

P1

P2

P3

P4

SAMT

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S-04-24

9 10 11 12

13 14 15 16 17 18 19 20 21 22 23 24

CN

1

SAMTE

C LPHS HORZ Edge Conn

SH

UN

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JV

SP

DNP

JVS

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JSHUNT

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C100

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R107

CIN

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4.7U

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6

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7

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CIN

8

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4.7U

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3

4.7U

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4

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6

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Figure 8 

PI3740 Evaluation Board 

Schematic Page 2

Schematics (Cont.)

Содержание PI3740-00-EVAL1

Страница 1: ...in Package SiP The evaluation board measures 2 5 x2 25 and contains all the components necessary for a variety of applications Not all components will be needed for all applications Part Ordering Information The customer evaluation boards can be ordered following the link to Vicors step down regulators Cool Power products listing USER GUIDE UG 306 Introduction 1 Part Ordering Information 1 Box Con...

Страница 2: ...when connecting and disconnecting test probes and interface lines to avoid inadvertent short circuits and contact with hot surfaces n n Verify power connections to avoid reversing applied voltage polarities n n Avoid creating ground loops between the SGND and PGND pins when making measurements n n The product evaluation board is designed for general laboratory evaluation It is not recommended for ...

Страница 3: ...float voltage General Information n n VIN Range 8 60VDC n n VOUT Range 10 50VDC for constant voltage operation n n Output Power 50 140W See PI3740 00 data sheet for maximum power rating at your particular input and output voltages Power Up Procedure 1 Ensure the jumpers are installed as shown in the following pictures depending on which configuration is chosen 2 Connect the load as shown in the fo...

Страница 4: ...ide current sense applications where VOUT can drop below 8V Both evaluation boards can be configured to operate in a typical CC CV charging scheme where the regulator output starts out in CC mode and then transitions to CV mode as soon as the battery voltage reached a predetermined float voltage Constant Current Float Voltage Adjustment The float voltage or the voltage where the converter transiti...

Страница 5: ...e a standard value current sense resistor and adjust the current by changing a single 0603 resistor It does require 6 resistors and a reference to implement the circuit These components are contained within the evaluation board Install JSHUNT JVSN JVSP JLGH JGP Also install JISP JISN between the 2 pins closest to JGP This will short IS and IS to ground Adjusting the Charging Current The charging c...

Страница 6: ...ts are required for the current control loop VOUT minimum is 8V due to the common mode range of the IMON amplifier This configuration cannot be used for super cap charging Install jumpers as shown Install JISP JISN connecting RSENSE to IS and IS J200 connecting IMON to LGH JTRK Charging Current The LGH amplifier has a reference of 100mv nominally The Imon amplifier has a gain of 20 So the voltage ...

Страница 7: ...which requires only 4 components including the current sense resistor Install jumpers as shown Install J200 connecting R106 to R205 R206 JTRK JISP and JISN shorting IS and IS to ground Charging Current The charging current will be approximately 100mv R106 If a standard resistor value cannot be found that gives you the required current use configuration 1 Figure 5 Jumper Placement for Constant Curr...

Страница 8: ...0mv Therefore the charge current is approximately 100mv 8 20 RSENSE or 40mv RSENSE Paralleling Boards Current Sense Element in Each Board If more current is required than can be supplied by one board two boards may be used in parallel Jumper the following pins together between boards SGND TRK EAO EN Use short low impedance jumpers especially on the SGND and EAO pins Only One Current Sense Element ...

Страница 9: ...eft floating or driven high VEN_MAX 5 5V regulator will be enabled SGND Internal logic ground TRK Soft start and track input An external capacitor may be connected between TRK pin and SGND to increase the rise time of the internal reference during soft start IMON Output of the internal current sense amplifier EAO Error Amp output External connection for additional compensation and current sharing ...

Страница 10: ...o VP for ATE Testing DNP CIN3 J6 SGND ENABLE VSUPPLY A1 1 GND 2 A2 3 Y2 4 VCC 5 Y1 6 U1 NC7WZ14 2 3 D1A 1 4 D1B 1 00k R5 VDR 4 1 2 3 TOP VIEW DUAL LED ORIENTATION PGD PCBNumber 1 2 MECH PIN 3 MECH PIN LMAG 500nH F1 F2 Fiducials Output Voltage programmed to 24V typical End user to change divider or apply an external voltage to EXT_VREF to change output voltage PCM0xxx VO SENSE 1 VO SENSE 1 SGND 1 E...

Страница 11: ...EAO VSP VDIFF PGD VSN SYNCI 1 2 3 4 5 6 7 8 P1 P2 P3 P4 SAMTEC LPHS 04 24 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 CN1 SAMTEC LPHS HORZ Edge Conn SHUNT JVSP DNP JVSN DNP JSHUNT DNP VSP VSN C100 DNP DNP R107 CIN4 4 7UF CIN5 4 7UF CIN6 4 7UF CIN7 4 7UF CIN8 4 7UF CIN9 4 7UF CIN10 4 7UF VIN CIN11 4 7UF VIN_FILT COUT1 4 7UF COUT2 4 7UF COUT3 4 7UF COUT4 4 7UF COUT5 4 7UF COUT6 4 7UF COUT7 4 7UF ...

Страница 12: ...XV2 J5 J200 JISN JISP Connector Header 3 Position 0 1 Pitch 4 3M 961103 6404 AR L200 Inductor 65nH 20A FP0404 1 EATON FP0404R1 R065 R L201 Inductor 48µH 3 4A 1 PANASONIC ETQP5M470YFK L1 Inductor 1µH 11A SRP7030 1R0M 1 BOURNS SRP7030 1R0M R5 R105 Resistor 1 00k 1 0 1W 0603 2 ROHM MCR03EZPFX1001 RSYNCI RPGD REA3 R100 R101 R103 Resistor 10 0k 1 0 1W 0603 6 ROHM MCR03EZPFX1002 R205 Resistor 100k 1 0 1...

Страница 13: ...X7S2A104K 080AB LMAG Inductor 0 42µH 42A HCV1206 1 EATON HCV1206 R42 R RIMON REA2 RZ2 R1 R2 R3 R4 C6 C100 C301 C302 CEAIN1 CEAO CIN3 CTRK EAO ENABLE EXT_VREF JVIN LGH PGD IMON R107 R301 R302 R303 R304 SGND TRK U1800 SYNCI SYNCO VDIFF VDR VIN_F VOUT VSN VSP VO SENSE 1 VO SENSE 1 Do Not Populate 38 REA4 Resistor 1 07k 1 0 1W 0603 1 ROHM MCR03EZHFL1071 RDIFF1 Resistor 200k 1 0 1W 0603 1 ROHM MCR03EZH...

Страница 14: ...ramic 0 1µF 50V 0603 1 TDK CGA3E3X7S2A104K 080AB RSENSE Value Changed Resistor 0 020 1 1W 1 PANASONIC ERJ M1WSF20MU R301 Resistor 6 98k 1 0 1W 0603 1 ROHM MCR03EZPFX6981 R302 Resistor 1 00k 1 0 1W 0603 1 ROHM MCR03EZPFX1001 R303 R304 Resistor 0Ω 1 0 1W 0603 2 ROHM MCR03EZPJ000 U1800 Current Shunt Monitor INA193A 1 TI INA193AIDBVR Table 2 Bill of Materials for Additional or Changed Components ...

Страница 15: ...ne whether the Vicor product is suitable and fit for your applications and products and to implement adequate design testing and operating safeguards for your planned application s and use s VICOR PRODUCTS ARE NOT DESIGNED AUTHORIZED OR WARRANTED FOR USE IN LIFE SUPPORT LIFE CRITICAL OR SAFETY CRITICAL SYSTEMS OR EQUIPMENT VICOR PRODUCTS ARE NOT CERTIFIED TO MEET ISO 13485 FOR USE IN MEDICAL EQUIP...

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