TPS16850VMAR - 9 V to 80 V, 20 A eFuse

{
 "symbolName": "TPS16850VMAR",
 "mpn": "TPS16850VMAR",
 "manufacturer": "Texas Instruments",
 "package": "LQFN-CLIP-23 (VMA0023A, 6.0 x 5.0 mm)",
 "pinCount": 24,
 "description": "9 V to 80 V, 20 A stackable integrated hot-swap eFuse, 3.5 mOhm FET, auto-retry, 73 A fixed fast trip, LQFN-CLIP-23 (VMA)",
 "datasheetUrl": "https://www.ti.com/lit/ds/symlink/tps1685.pdf",
 "footprint": "tps16850vmar:tps16850vmar",
 "reference": "U",
 "distributors": {
  "mouser": "595-TPS16850VMAR",
  "digikey": "296-TPS16850VMARTR-ND"
 },
 "wikiUrl": "https://wiki.adom.inc/adom/tps16850vmar",
 "pinLayout": "left-right",
 "pins": [
  {
   "number": "10",
   "name": "IN",
   "type": "power_in",
   "group": "Power in",
   "side": "left",
   "description": "Power input (FET drain). Solder to the input power plane uniformly for heat dissipation (SLVSHA1D p.5, Table 5-1)."
  },
  {
   "number": "22",
   "name": "IN",
   "type": "power_in",
   "group": "Power in",
   "side": "left",
   "description": "Power input, same node as pins 10, 23 and the exposed pad (p.5)."
  },
  {
   "number": "23",
   "name": "IN",
   "type": "power_in",
   "group": "Power in",
   "side": "left",
   "description": "Power input, same node as pins 10, 22 and the exposed pad (p.5)."
  },
  {
   "number": "24",
   "name": "IN",
   "type": "power_in",
   "group": "Power in",
   "side": "left",
   "description": "Exposed thermal pad (PowerPAD), electrically IN: solder it to the input power plane for heat dissipation (p.5)."
  },
  {
   "number": "9",
   "name": "VDD",
   "type": "power_in",
   "group": "Power in",
   "side": "left",
   "description": "Controller supply, 9 V to 80 V. Connect to VIN through a series resistor and decouple to GND (p.5, p.7)."
  },
  {
   "number": "16",
   "name": "EN/UVLO",
   "type": "input",
   "group": "Control",
   "side": "left",
   "description": "Active-high enable. A resistor divider from the input supply sets the undervoltage threshold. Do not leave floating (p.5)."
  },
  {
   "number": "18",
   "name": "OVP",
   "type": "input",
   "group": "Control",
   "side": "left",
   "description": "Overvoltage set point: resistor divider from VIN. Do not leave floating (p.5)."
  },
  {
   "number": "12",
   "name": "MODE",
   "type": "input",
   "group": "Control",
   "side": "left",
   "description": "Floating = standalone or primary device; tied to GND = secondary to a primary eFuse or controller in a parallel chain (p.5)."
  },
  {
   "number": "4",
   "name": "dVdT",
   "type": "passive",
   "group": "Control",
   "side": "left",
   "description": "Output slew-rate control at start-up: open for the fastest start-up, a capacitor to GND slows the slew rate to limit inrush (p.4)."
  },
  {
   "number": "3",
   "name": "IREF",
   "type": "passive",
   "group": "Current setting",
   "side": "left",
   "description": "Reference voltage (0.3 V to 1.2 V) for the overcurrent, short-circuit and current-sharing blocks: internal current source into a resistor, or driven externally. Do not leave floating (p.4, p.7)."
  },
  {
   "number": "14",
   "name": "ITIMER",
   "type": "passive",
   "group": "Current setting",
   "side": "left",
   "description": "A capacitor to GND sets the overcurrent blanking interval during which the current may exceed the overcurrent threshold, below fast trip (p.5)."
  },
  {
   "number": "6",
   "name": "SFT_SEL",
   "type": "passive",
   "group": "Current setting",
   "side": "left",
   "description": "A resistor to GND selects the scalable fast-trip threshold multiplier. Not recommended to leave floating (p.5)."
  },
  {
   "number": "7",
   "name": "OUT",
   "type": "power_out",
   "group": "Power out",
   "side": "right",
   "description": "Power output (FET source). Solder to the output power plane uniformly for heat dissipation (p.5)."
  },
  {
   "number": "8",
   "name": "OUT",
   "type": "power_out",
   "group": "Power out",
   "side": "right",
   "description": "Power output, same node as pin 7 (p.5)."
  },
  {
   "number": "2",
   "name": "IMON",
   "type": "passive",
   "group": "Current monitor",
   "side": "right",
   "description": "A resistor to GND sets the overcurrent and fast-trip thresholds; also a fast, accurate analog load-current monitor output in steady state. Do not leave floating (p.4)."
  },
  {
   "number": "1",
   "name": "ILIM",
   "type": "passive",
   "group": "Current monitor",
   "side": "right",
   "description": "A resistor to GND sets the active current-sharing threshold in steady state; also this device's current monitor output. Do not leave floating (p.4)."
  },
  {
   "number": "19",
   "name": "PGOOD",
   "type": "open_collector",
   "group": "Status",
   "side": "right",
   "description": "Open-drain power-good output, asserted high in steady state; weak internal pull-up (p.5)."
  },
  {
   "number": "13",
   "name": "~{FLT}",
   "type": "open_collector",
   "group": "Status",
   "side": "right",
   "description": "Open-drain active-low fault output, pulled low on a fault. Pull up to an external supply with a resistor (p.5)."
  },
  {
   "number": "20",
   "name": "SWEN",
   "type": "bidirectional",
   "group": "Status",
   "side": "right",
   "description": "Open-drain signal that reports and controls the power-switch state; tied across a parallel chain to synchronise the devices. Weak internal pull-up (p.5)."
  },
  {
   "number": "15",
   "name": "TEMP",
   "type": "bidirectional",
   "group": "Status",
   "side": "right",
   "description": "Analog junction-temperature output; TEMP pins of parallel devices can be tied to report the hottest device (p.5)."
  },
  {
   "number": "5",
   "name": "GND",
   "type": "power_in",
   "group": "Ground",
   "side": "right",
   "description": "Device ground reference. Connect to system ground (p.4)."
  },
  {
   "number": "11",
   "name": "NC",
   "type": "no_connect",
   "group": "No connect",
   "side": "right",
   "description": "Do not connect anything to this pin (p.5)."
  },
  {
   "number": "17",
   "name": "NC",
   "type": "no_connect",
   "group": "No connect",
   "side": "right",
   "description": "Do not connect anything to this pin (p.5)."
  },
  {
   "number": "21",
   "name": "NC",
   "type": "no_connect",
   "group": "No connect",
   "side": "right",
   "description": "Do not connect anything to this pin (p.5)."
  }
 ],
 "pinDescriptions": {
  "IN (10)": "Power input (FET drain). Solder to the input power plane uniformly for heat dissipation (SLVSHA1D p.5, Table 5-1).",
  "IN (22)": "Power input, same node as pins 10, 23 and the exposed pad (p.5).",
  "IN (23)": "Power input, same node as pins 10, 22 and the exposed pad (p.5).",
  "IN (24)": "Exposed thermal pad (PowerPAD), electrically IN: solder it to the input power plane for heat dissipation (p.5).",
  "VDD": "Controller supply, 9 V to 80 V. Connect to VIN through a series resistor and decouple to GND (p.5, p.7).",
  "EN/UVLO": "Active-high enable. A resistor divider from the input supply sets the undervoltage threshold. Do not leave floating (p.5).",
  "OVP": "Overvoltage set point: resistor divider from VIN. Do not leave floating (p.5).",
  "MODE": "Floating = standalone or primary device; tied to GND = secondary to a primary eFuse or controller in a parallel chain (p.5).",
  "dVdT": "Output slew-rate control at start-up: open for the fastest start-up, a capacitor to GND slows the slew rate to limit inrush (p.4).",
  "IREF": "Reference voltage (0.3 V to 1.2 V) for the overcurrent, short-circuit and current-sharing blocks: internal current source into a resistor, or driven externally. Do not leave floating (p.4, p.7).",
  "ITIMER": "A capacitor to GND sets the overcurrent blanking interval during which the current may exceed the overcurrent threshold, below fast trip (p.5).",
  "SFT_SEL": "A resistor to GND selects the scalable fast-trip threshold multiplier. Not recommended to leave floating (p.5).",
  "OUT (7)": "Power output (FET source). Solder to the output power plane uniformly for heat dissipation (p.5).",
  "OUT (8)": "Power output, same node as pin 7 (p.5).",
  "IMON": "A resistor to GND sets the overcurrent and fast-trip thresholds; also a fast, accurate analog load-current monitor output in steady state. Do not leave floating (p.4).",
  "ILIM": "A resistor to GND sets the active current-sharing threshold in steady state; also this device's current monitor output. Do not leave floating (p.4).",
  "PGOOD": "Open-drain power-good output, asserted high in steady state; weak internal pull-up (p.5).",
  "~{FLT}": "Open-drain active-low fault output, pulled low on a fault. Pull up to an external supply with a resistor (p.5).",
  "SWEN": "Open-drain signal that reports and controls the power-switch state; tied across a parallel chain to synchronise the devices. Weak internal pull-up (p.5).",
  "TEMP": "Analog junction-temperature output; TEMP pins of parallel devices can be tied to report the hottest device (p.5).",
  "GND": "Device ground reference. Connect to system ground (p.4).",
  "NC (11)": "Do not connect anything to this pin (p.5).",
  "NC (17)": "Do not connect anything to this pin (p.5).",
  "NC (21)": "Do not connect anything to this pin (p.5)."
 },
 "groupDescriptions": {
  "Power in": "The FET's input side: pins 10, 22, 23 and the exposed pad are all IN and carry the load current; VDD powers the controller from a filtered copy of the input.",
  "Control": "Enable with undervoltage threshold, overvoltage threshold, standalone or secondary mode, and the start-up slew rate.",
  "Current setting": "Reference voltage, overcurrent blanking timer and scalable fast-trip multiplier, which shape the circuit-breaker response.",
  "Power out": "The FET's output side, pins 7 and 8.",
  "Current monitor": "IMON sets the circuit-breaker threshold and reports the load current; ILIM sets the current-sharing threshold and reports this device's share.",
  "Status": "Open-drain power-good and fault flags, the switch-enable line that synchronises a parallel chain, and the analog temperature output.",
  "Ground": "Device ground reference.",
  "No connect": "Pins 11, 17 and 21: do not connect anything to them."
 }
}