component
BQ24703PWR
Public Made by Adomby adom
Texas Instruments Battery Management, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"brief": "Texas Instruments Battery Management, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"package": "TSSOP-24",
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"subcategory": "Battery Management",
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"pins": [
{
"number": "1",
"name": "ACDET",
"type": "input",
"description": "AC or adapter power detection input; when its voltage is below VACPRES the device enters sleep mode with PWM control disabled."
},
{
"number": "2",
"name": "ACPRES",
"type": "output",
"description": "Open-drain AC power indicator output that is high when the ACDET voltage is greater than VACPRES."
},
{
"number": "3",
"name": "ACSEL",
"type": "input",
"description": "AC adapter power select input; a logic high selects ac power and a logic low selects the battery."
},
{
"number": "4",
"name": "BATDEP",
"type": "input",
"description": "Depleted battery level input; battery depletion is detected when BATDEP is less than VACPRES."
},
{
"number": "5",
"name": "SRSET",
"type": "input",
"description": "Battery charge current programming voltage input that sets the battery charge current limit."
},
{
"number": "6",
"name": "ACSET",
"type": "input",
"description": "Adapter current programming voltage input that sets the system current level at which dynamic power management occurs."
},
{
"number": "7",
"name": "VREF",
"type": "power_in",
"description": "Bypassed precision 5-V voltage reference output with a tight tolerance suitable for charging lithium-ion batteries."
},
{
"number": "8",
"name": "ENABLE",
"type": "input",
"description": "Charge enable input; a high allows PWM control operation to enable charging while a low forces the PWM output high."
},
{
"number": "9",
"name": "BATSET",
"type": "input",
"description": "External override to the internal precision reference; when used it must be greater than 1.0 V, and grounding it selects the internal reference."
},
{
"number": "10",
"name": "COMP",
"type": "output",
"description": "Inverting input to the PWM comparator and output of the gm amplifiers, with a type II compensation network to GND recommended."
},
{
"number": "11",
"name": "ACN",
"type": "input",
"description": "Negative differential input for the ac-to-dc adapter current sense resistor."
},
{
"number": "12",
"name": "ACP",
"type": "input",
"description": "Positive differential input for the ac-to-dc adapter current sense resistor."
},
{
"number": "13",
"name": "BATP",
"type": "input",
"description": "Battery charge regulation voltage measurement input to the battery-voltage gm amplifier, regulated to the VFB reference."
},
{
"number": "14",
"name": "IBAT",
"type": "output",
"description": "Battery current differential amplifier output producing a voltage proportional to battery charge current, suitable for an ADC input."
},
{
"number": "15",
"name": "SRN",
"type": "input",
"description": "Negative differential battery current sense amplifier input, tied to the battery terminal."
},
{
"number": "16",
"name": "SRP",
"type": "bidirectional",
"description": "Positive differential battery current sense amplifier input that serves as the source pin for zero volt operation."
},
{
"number": "17",
"name": "GND",
"type": "power_in",
"description": "Supply return and ground reference."
},
{
"number": "18",
"name": "VS",
"type": "power_in",
"description": "System (load) voltage input that disables the BATDRV P-channel MOSFET if VS exceeds BATP; grounding VS disables this function."
},
{
"number": "19",
"name": "ALARM",
"type": "output",
"description": "Open-drain depleted battery alarm output that goes high when the BATDEP voltage is below VACPRES."
},
{
"number": "20",
"name": "VHSP",
"type": "output",
"description": "Voltage source for driving the gates of the external MOSFETs, bypassed with a 1-µF capacitor close to the pin."
},
{
"number": "21",
"name": "PWM",
"type": "output",
"description": "Gate drive output for the external P-channel PWM MOSFET, active when ACPRES, ACSEL and ENABLE are high."
},
{
"number": "22",
"name": "VCC",
"type": "power_in",
"description": "Operational supply voltage."
},
{
"number": "23",
"name": "BATDRV",
"type": "output",
"description": "Battery power source select output driving an external P-channel MOSFET, driven low to GND when ACDET is less than VACPRES."
},
{
"number": "24",
"name": "ACDRV",
"type": "output",
"description": "AC or adapter power source select output driving an external P-channel MOSFET, driven low to VHSP when ACSEL is high and ACDET is greater than VACPRES."
}
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"Package": "TSSOP-24",
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