component
BQ24073RGTR
Public Made by Adomby adom
Texas Instruments Battery Management, QFN-16-EP(3x3). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+19−16@@ -32,43 +32,43 @@ "number": "1", "name": "TS", "type": "input",- "description": "External NTC thermistor input. Connect to a 10 k\u03a9 NTC in the battery pack to monitor pack temperature. If unused, tie to VSS through a fixed 10 k\u03a9 resistor to maintain a valid voltage."+ "description": "External NTC thermistor input. Connect to a 10 kΩ NTC in the battery pack to monitor pack temperature. If unused, tie to VSS through a fixed 10 kΩ resistor to maintain a valid voltage." }, { "number": "2", "name": "BAT", "type": "power_out",- "description": "Charger power stage output and battery voltage sense. Connect to the positive terminal of the battery; bypass to VSS with a 4.7 \u00b5F to 47 \u00b5F ceramic capacitor. Pins 2 and 3 are internally tied together."+ "description": "Charger power stage output and battery voltage sense. Connect to the positive terminal of the battery; bypass to VSS with a 4.7 µF to 47 µF ceramic capacitor. Pins 2 and 3 are internally tied together." }, { "number": "3", "name": "BAT", "type": "power_out",- "description": "Charger power stage output and battery voltage sense. Connect to the positive terminal of the battery; bypass to VSS with a 4.7 \u00b5F to 47 \u00b5F ceramic capacitor. Pins 2 and 3 are internally tied together."+ "description": "Charger power stage output and battery voltage sense. Connect to the positive terminal of the battery; bypass to VSS with a 4.7 µF to 47 µF ceramic capacitor. Pins 2 and 3 are internally tied together." }, { "number": "4", "name": "CE", "type": "input",- "description": "Charge enable, active-low. Drive high to disable the battery charger (OUT and battery supplement mode still available); drive low to enable charging. Internally pulled down through ~285 k\u03a9; do not leave floating."+ "description": "Charge enable, active-low. Drive high to disable the battery charger (OUT and battery supplement mode still available); drive low to enable charging. Internally pulled down through ~285 kΩ; do not leave floating." }, { "number": "5", "name": "EN2", "type": "input",- "description": "Input current limit configuration bit 2 (with EN1) for USB compliance and ILIM enable. See EN1/EN2 table. Internally pulled down through ~285 k\u03a9; do not leave floating."+ "description": "Input current limit configuration bit 2 (with EN1) for USB compliance and ILIM enable. See EN1/EN2 table. Internally pulled down through ~285 kΩ; do not leave floating." }, { "number": "6", "name": "EN1", "type": "input",- "description": "Input current limit configuration bit 1 (with EN2) for USB compliance and ILIM enable. See EN1/EN2 table. Internally pulled down through ~285 k\u03a9; do not leave floating."+ "description": "Input current limit configuration bit 1 (with EN2) for USB compliance and ILIM enable. See EN1/EN2 table. Internally pulled down through ~285 kΩ; do not leave floating." }, { "number": "7", "name": "PGOOD", "type": "output",- "description": "Open-drain power good status. Pulls to VSS when a valid input source within limits is detected; high-impedance otherwise. Tie to a 1 k\u03a9-100 k\u03a9 pull-up to the logic rail or use with an LED."+ "description": "Open-drain power good status. Pulls to VSS when a valid input source within limits is detected; high-impedance otherwise. Tie to a 1 kΩ-100 kΩ pull-up to the logic rail or use with an LED." }, { "number": "8",@@ -80,49 +80,49 @@ "number": "9", "name": "CHG", "type": "output",- "description": "Open-drain charging status indicator (active-low). Pulls to VSS while the battery is charging and is high-impedance when charging is complete or the charger is disabled. Pull up through a 1 k\u03a9-100 k\u03a9 resistor to the logic rail or drive an LED."+ "description": "Open-drain charging status indicator (active-low). Pulls to VSS while the battery is charging and is high-impedance when charging is complete or the charger is disabled. Pull up through a 1 kΩ-100 kΩ resistor to the logic rail or drive an LED." }, { "number": "10", "name": "OUT", "type": "power_out",- "description": "Regulated system supply output from the power-path stage. Delivers a regulated voltage (BQ24073: 4.4 V) when the input is within range, otherwise connects to VBAT. Bypass to VSS with a 4.7 \u00b5F to 47 \u00b5F ceramic capacitor; pins 10 and 11 are tied together."+ "description": "Regulated system supply output from the power-path stage. Delivers a regulated voltage (BQ24073: 4.4 V) when the input is within range, otherwise connects to VBAT. Bypass to VSS with a 4.7 µF to 47 µF ceramic capacitor; pins 10 and 11 are tied together." }, { "number": "11", "name": "OUT", "type": "power_out",- "description": "Regulated system supply output from the power-path stage. Delivers a regulated voltage (BQ24073: 4.4 V) when the input is within range, otherwise connects to VBAT. Bypass to VSS with a 4.7 \u00b5F to 47 \u00b5F ceramic capacitor; pins 10 and 11 are tied together."+ "description": "Regulated system supply output from the power-path stage. Delivers a regulated voltage (BQ24073: 4.4 V) when the input is within range, otherwise connects to VBAT. Bypass to VSS with a 4.7 µF to 47 µF ceramic capacitor; pins 10 and 11 are tied together." }, { "number": "12", "name": "ILIM", "type": "input",- "description": "Adjustable input current limit programming pin. Connect a 1100 \u03a9 to 8 k\u03a9 resistor from ILIM to VSS to set the maximum input current when EN2=1, EN1=0. Leaving ILIM unconnected disables all charging."+ "description": "Adjustable input current limit programming pin. Connect a 1100 Ω to 8 kΩ resistor from ILIM to VSS to set the maximum input current when EN2=1, EN1=0. Leaving ILIM unconnected disables all charging." }, { "number": "13", "name": "IN", "type": "power_in",- "description": "Input power from AC adapter or USB port. Operating range 4.35 V to 6.6 V (BQ24073); withstands up to 26 V without damage but operation is suspended above OVP (6.6 V). Bypass to VSS with 1 \u00b5F to 10 \u00b5F ceramic."+ "description": "Input power from AC adapter or USB port. Operating range 4.35 V to 6.6 V (BQ24073); withstands up to 26 V without damage but operation is suspended above OVP (6.6 V). Bypass to VSS with 1 µF to 10 µF ceramic." }, { "number": "14", "name": "TMR", "type": "input",- "description": "Safety-timer programming input. Tie to VSS to disable all safety timers; connect an 18 k\u03a9 to 72 k\u03a9 resistor from TMR to VSS to program pre-charge and fast-charge timer lengths. Leave floating for default timers."+ "description": "Safety-timer programming input. Tie to VSS to disable all safety timers; connect an 18 kΩ to 72 kΩ resistor from TMR to VSS to program pre-charge and fast-charge timer lengths. Leave floating for default timers." }, { "number": "15", "name": "TD", "type": "input",- "description": "Termination-disable input. Drive high to disable charge termination; tie to VSS to enable termination. Sampled at startup only. Internally pulled down through ~285 k\u03a9; do not leave floating."+ "description": "Termination-disable input. Drive high to disable charge termination; tie to VSS to enable termination. Sampled at startup only. Internally pulled down through ~285 kΩ; do not leave floating." }, { "number": "16", "name": "ISET", "type": "bidirectional",- "description": "Fast-charge current programming and monitor pin. Connect a 590 \u03a9 to 8.9 k\u03a9 resistor from ISET to VSS to set fast-charge current; the voltage at ISET mirrors the actual charge current. Leaving ISET floating disables charging."+ "description": "Fast-charge current programming and monitor pin. Connect a 590 Ω to 8.9 kΩ resistor from ISET to VSS to set fast-charge current; the voltage at ISET mirrors the actual charge current. Leaving ISET floating disables charging." }, { "number": "17",@@ -234,5 +234,8 @@ "docs/bq24073rgtr-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ]+ ],+ "visibility": {+ "public": true+ } }