component
HE3342EAP8
Public Made by Adomby adom
HEERMICR Battery Management, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "HE3342EAP8",
"brief": "HEERMICR Battery Management, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"manufacturer": "HEERMICR",
"package": "ESOP-8",
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"category": "Power Management (PMIC)",
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"status": "no match"
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"mouser": {
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"name": "GND",
"type": "power_in",
"description": "Ground terminal of the charger, which must be connected to the system ground and the exposed pad."
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{
"number": "2",
"name": "VCC",
"type": "power_in",
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{
"number": "3",
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{
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{
"number": "5",
"name": "TEMP",
"type": "input",
"description": "Battery NTC input where charging pauses if the voltage is below 45% or above 80% of VCC, tying it to VCC disables temperature sensing, and tying it to GND puts the device in standby with charging terminated."
},
{
"number": "6",
"name": "BAT",
"type": "power_out",
"description": "Battery positive connection that delivers the charge current and limits the battery to 4.2 V or 4.35 V, with leakage below 2 µA when disabled or in sleep mode."
},
{
"number": "7",
"name": "SEN",
"type": "input",
"description": "Charge-current setting pin where the charge current is Ibat = 0.1/Rs, with 100 mV across the sense resistor in constant-current mode."
},
{
"number": "8",
"name": "SW",
"type": "power_out",
"description": "Switching output connected to the external inductor, which forms the battery charge-current path, with an absolute maximum rating of -0.3 V to 7.0 V."
},
{
"number": "9",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
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"primary_model": "claude-haiku-5-5",
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"exposed pad 9 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 10,
"cost_usd": 0.0513,
"at": "2026-10-18T03:48:01"
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{
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{
"name": "VCC-VBAT lockout voltage (falling)",
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"min": 30,
"typ": 40,
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{
"name": "C/10 termination current threshold",
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"unit": "mA",
"min": null,
"typ": 100,
"max": null,
"conditions": "RS =0.1Ω",
"source_page": 4,
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{
"name": "C/10 termination current threshold",
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"conditions": "RS =0.05Ω",
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"name": "CHRG output low voltage",
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"typ": 0.35,
"max": 0.5,
"conditions": "ICHRG=5mA",
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{
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{
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