{
  "node": {
    "id": "term:power-path-management",
    "type": "Term",
    "label": "Power-path management",
    "properties": {
      "id": "power-path-management",
      "name": "Power-path management",
      "aka": [
        "power path",
        "ideal diode",
        "load sharing",
        "system output power",
        "instant-on"
      ],
      "section": "topic-pack",
      "definition": "Circuitry that routes power between an external supply, the battery and the system load, so the device runs from the supply while the battery charges, draws on the battery when the supply sags or fails, and adds battery current during peaks. An ideal-diode switch — a MOSFET driven to behave as a near-lossless diode — makes the changeover seamless.",
      "related": [
        "charger",
        "embedded-charger",
        "mosfet",
        "uninterruptible-power-supply"
      ],
      "url": "https://lemonergy.com/learn/glossary/power-path-management/",
      "mentions": []
    }
  },
  "edges": [
    {
      "id": "edge:belongsTo/term:power-path-management/topic:topic-pack",
      "source": "term:power-path-management",
      "target": "topic:topic-pack",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:relatedTo/term:power-path-management/term:charger",
      "source": "term:power-path-management",
      "target": "term:charger",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:power-path-management/term:embedded-charger",
      "source": "term:power-path-management",
      "target": "term:embedded-charger",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:power-path-management/term:mosfet",
      "source": "term:power-path-management",
      "target": "term:mosfet",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:power-path-management/term:uninterruptible-power-supply",
      "source": "term:power-path-management",
      "target": "term:uninterruptible-power-supply",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    }
  ],
  "neighbors": [
    {
      "id": "topic:topic-pack",
      "type": "Topic",
      "label": "Modules, packs and battery management",
      "properties": {
        "id": "topic-pack",
        "name": "Modules, packs and battery management",
        "lede": "From a single cell to a working battery system, and the electronics that keep it safe.",
        "context": "Make series/parallel architecture explicit.",
        "example": "Twelve 3.6 V, 5 Ah cells in 6s2p give 21.6 V, 10 Ah and 216 Wh nominally before other restrictions.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/cell-architecture/",
        "lesson_label": "Open cell architecture"
      }
    },
    {
      "id": "term:charger",
      "type": "Term",
      "label": "Charger",
      "properties": {
        "id": "charger",
        "name": "Charger",
        "section": "topic-charging",
        "definition": "The power electronics that convert mains or DC supply into the controlled current and voltage a battery needs. For lithium-ion it runs the CC-CV profile within the limits the BMS communicates, and stops rather than floats when the cell is full.",
        "related": [
          "cc-cv-charging",
          "bms",
          "onboard-charger",
          "dc-fast-charging"
        ],
        "url": "https://lemonergy.com/learn/glossary/charger/",
        "mentions": []
      }
    },
    {
      "id": "term:embedded-charger",
      "type": "Term",
      "label": "Embedded charger",
      "properties": {
        "id": "embedded-charger",
        "name": "Embedded charger",
        "aka": [
          "in-pack charger",
          "integrated charger",
          "charger IC"
        ],
        "section": "topic-charging",
        "definition": "A charging circuit built into the battery pack, so that the pack accepts raw power — a wall adapter, a car socket, USB — and applies the right profile for its own chemistry. One host can then take NiMH, lithium-ion or primary packs interchangeably; the costs are extra heat beside the cells and electronics discarded with the pack.",
        "related": [
          "charger",
          "cc-cv-charging",
          "power-path-management",
          "smart-battery-system"
        ],
        "url": "https://lemonergy.com/learn/glossary/embedded-charger/",
        "mentions": [
          "nickel-metal-hydride"
        ]
      }
    },
    {
      "id": "term:mosfet",
      "type": "Term",
      "label": "MOSFET",
      "properties": {
        "id": "mosfet",
        "name": "MOSFET",
        "aka": [
          "metal–oxide–semiconductor field-effect transistor",
          "power MOSFET"
        ],
        "section": "topic-data",
        "definition": "A transistor switched by the voltage on its gate, with an on-resistance of milliohms or less in power parts. Low-voltage packs use back-to-back pairs as charge and discharge switches, since each conducts backwards through its body diode; BMS chips use small ones for balancing, and silicon-carbide MOSFETs switch 800 V inverters.",
        "related": [
          "protection-circuit",
          "pulse-width-modulation",
          "cell-balancing",
          "inverter",
          "buck-boost-converter"
        ],
        "url": "https://lemonergy.com/learn/glossary/mosfet/",
        "mentions": [
          "bms"
        ]
      }
    },
    {
      "id": "term:uninterruptible-power-supply",
      "type": "Term",
      "label": "Uninterruptible power supply",
      "properties": {
        "id": "uninterruptible-power-supply",
        "name": "Uninterruptible power supply",
        "abbr": "UPS",
        "aka": [
          "UPS battery",
          "standby power supply"
        ],
        "section": "topic-applications",
        "definition": "Equipment that keeps critical loads — servers, telecoms, hospital systems — running through a mains failure, either switching to its battery within milliseconds or carrying the load through it continuously. Its batteries sit on float for years and must deliver 5–15 minutes at high power, a role long filled by VRLA and increasingly by lithium-ion, mostly LFP.",
        "related": [
          "en-62040-1",
          "vrla",
          "trickle-charge",
          "lfp",
          "power-path-management",
          "stationary-storage"
        ],
        "url": "https://lemonergy.com/learn/glossary/uninterruptible-power-supply/",
        "mentions": []
      }
    }
  ]
}