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Picor PI2161-EVAL1, User Manual

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Picor PI2161-EVAL1 User Manual Download Page 7

 

Picor Corporation • picorpower.com

 

                                   PI2161-EVAL1  User Guide   Rev. 1.0     Page 

7 of 8

 

 

 

Figure 6:

 PI2161-EVAL1 layout top layer. Scale 2.0:1

 

 

Figure 7: 

PI2161-EVAL1 layout bottom layer 2. Scale 2.0:1 

 

 

 

 
Figure 8: 

PI2161-EVAL1 evaluation board mechanical drawing.

 

 

 

Summary of Contents for PI2161-EVAL1

Page 1: ...ws the user to test the basic principles and operational characteristics of a Load Switch function while also experiencing the benefits and value of the PI2161 solution The PI2161 EVAL1 evaluation board is configured to be installed between the input power source and the load PI2161 is capable of up to 12A and is suitable for a bus voltage up to 48V The PI2161 EVAL1 evaluation board is designed wi...

Page 2: ...g the use of low power sense resistors Figure 1 shows a photo of the PI2161 EVAL1 evaluation board with one load disconnect switch PI2161 SiP The board is built with options and features that enable the user to fully explore the capabilities of the PI2161 Load Disconnect Switch Figure 1 PI2161 EVAL1 Evaluation Board 1 8 x 1 8 Terminals Absolute Maximum Rating Vin 60V 12Adc Vout 60V 12Adc EN VO 0 3...

Page 3: ...R5 150kΩ Resistor 150K 1 0 1W 0603 12 1 SW1 Switch SW SPDT SM CAS 120 13 1 U1 PI2161 01 LGIZ Picor Cool Switch Controller IC 7mmx8mm 17 pin LGA SiP PICOR Table 2 PI2161 EVAL1 Evaluation Board Bill of Materials Ref Designator Value Part NO Functional Description C1 0 1μF VC Bypass Capacitor C2 C3 Not installed Snubber to reduce high voltage noise after disconnect due to high current short Recommend...

Page 4: ...fic end application requirement 2 Sense resistor Rs selection 2 1 In a typical load switch application the sense resistor Rs R1 in the PI2161 EVAL1 is selected based on a minimum trip current to allow maximum normal load current without interruption The sense resistor value can be determined from Overcurrent trip vs sense resistor chart in Figure 3 Please refer to PI2161 Datasheet for more details...

Page 5: ...ect the electronic load to the output between Vout and Vout Set the load current to 5A 5 3 Position SW1 knob to On 5 4 Enable turn on PS1 power supply output 5 5 Turn on the electronic load 5 6 Verify that the load voltage Vout is few millivolts below 48V This verifies that the PI2161 MOSFET is in conduction mode 5 7 Measure VO with respect to Vin it should be 10 of Vout 4 5V 5 8 Slide SW1 to Off ...

Page 6: ...he MOSFET in an off condition until it is reset 6 4 Device Reset To reset PI2161 after a fault high load current recycle PI2161 by sliding SW1 knob to Off position and then slide the knob back to On position 6 5 Output short test Enable PS1 and then apply a short at the load Vout The short can be applied electronically using the electronic load a MOSFET connected between Vout and Vout or simply by...

Page 7: ...corpower com PI2161 EVAL1 User Guide Rev 1 0 Page 7 of 8 Figure 6 PI2161 EVAL1 layout top layer Scale 2 0 1 Figure 7 PI2161 EVAL1 layout bottom layer 2 Scale 2 0 1 Figure 8 PI2161 EVAL1 evaluation board mechanical drawing ...

Page 8: ...right to make changes to any products without further notice to improve reliability function or design Vicor does not assume any liability arising out of the application or use of any product or circuit neither does it convey any license under its patent rights nor the rights of others Vicor general policy does not recommend the use of its components in life support applications wherein a failure ...

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