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>
date Sun, 01 Oct 2023 08:17:05 +0000
parents df16d0eabf8a
children
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85fbd582af88 Venus src: charging circuit captured
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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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df16d0eabf8a 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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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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13 wire mid1, mid2;
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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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18 resistor Rprech (PCHG, mid1);
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20 misc_diode D404 (.A(mid1), .C(mid2));
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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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28 endmodule