FreeCalypso > hg > freecalypso-schem2
annotate venus/src/periph/charging_circuit.v @ 98:3ab69117b09f default tip
minnie/doc/Design-spec: finished in the first pass
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 01 Oct 2023 08:17:05 +0000 |
parents | df16d0eabf8a |
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1 /* |
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2 * This module encapsulates the battery charging circuit. |
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3 */ |
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4 |
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charging_circuit structural module contains no connections to GND
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5 module charging_circuit (VCHG, VBAT, ICTL, PCHG, VCCS, VBATS); |
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6 |
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7 input VCHG; |
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8 inout VBAT; |
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9 |
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10 input ICTL, PCHG; |
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11 output VCCS, VBATS; |
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12 |
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intnoconn approach to charging current sense resistor
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13 wire mid1, mid2; |
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14 |
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15 Si9407AEY Q401 (.G(ICTL), .S(VCHG), .D(mid1)); |
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16 capacitor C401 (ICTL, VCHG); |
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17 |
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18 resistor Rprech (PCHG, mid1); |
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20 misc_diode D404 (.A(mid1), .C(mid2)); |
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21 |
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22 resistor_with_sense Rmeas (.side1_current(mid2), |
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23 .side1_sense(VCCS), |
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24 .side2_current(VBAT), |
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25 .side2_sense(VBATS) |
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26 ); |
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27 |
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28 endmodule |