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PAC1921 Datasheet(PDF) 48 Page - Microchip Technology |
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PAC1921 Datasheet(HTML) 48 Page - Microchip Technology |
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48 / 56 page  A.2 BOARD – PAC1921 CURRENT SHUNT AND POWER MONITOR SCHEMATIC V SENSE+ V SENSE- V SOURCE- V SOURCE+ +5V_USB V DD V DD V DD V DD Demo Sys Sys V SENSE+ V SENSE- Demo Out #READ/INT #READ/INT GND J 8, 1-2 Close (default) = 1001_100x b -> 98h J 8, 2-3 Close (alternative) = 1001_101x b -> 9Ah J 8, Open (alternative) = Apply external resistor for GAIN_SEL function in Stand-Alone mode. Read the data sheet for more information ADDR_SEL /GAIN_SEL V DD SMBUS_CLK SMBUS_DATA #READ/INT IDEMO Idemo OUT GP2 COMM_SEL SMBus_CLK SMBus_DATA #READ/INT TP LOOP Yellow TP2 TP LOOP Orange TP1 TP LOOP Black TP6 TP LOOP White TP3 TP LOOP White TP4 TP LOOP Red TP5 TP LOOP Yellow TP7 EDZ250/2 J1 EDZ250/2 J2 EDZ250/2 J11 2R 2010 5% R2 2R 2010 5% R3 HDR-2.54 Male 1x3 J3 HDR-2.54 Male 1x3 J4 123 HDR-2.54 Male 1x3 J6 123 HDR-2.54 Male 1x3 J7 HDR-2.54 Male 1x3 J8 123 HDR-2.54 Male 1x3 J5 Shunt 2.54 mm 1x2 Handle JP3 Shunt 2.54 mm 1x2 Handle JP4 Shunt 2.54mm 1x2 Handle JP5 Shunt 2.54 mm 1x2 Handle JP6 Shunt 2.54mm 1x2 Handle JP7 Shunt 2.54 mm 1x2 Handle JP8 0.1 μF 16V 0603 C1 0.001 μF 50V 0603 C3 1 μF 16V 0603 C2 12.1k 0603 1% R8 12.1k 0603 1% R9 12.1k 0603 1% R10 12.1k 0603 1% R11 12.1k 0603 1% R6 12.1k 0603 1% R7 120R 0603 1% R4 120R 0603 1% R5 100R 0603 1% R1 GREEN LD6 2k 0603 1% R12 V DD 1 SENSE+ 2 SENSE- 3 OUT 4 GND 5 ADDR_SEL 6 COMM_SEL 7 READ/INT 8 SM_DATA 9 SM_CLK 10 PAC1921-1 U1 3 4 0.005R 1% RS1 |
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