component
IP5508_BZ_188
Public Made by Adomby adom
INJOINIC Battery Management, QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "ip5508-bz-188",
"version": "0.1.0",
"type": "component",
"description": "INJOINIC Battery Management, QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"power management (pmic)",
"ip5508_bz_188",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
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"path": "docs/hero.png"
},
"files": [
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"README.md",
"ip5508-bz-188.kicad_sym",
"ip5508-bz-188.kicad_mod",
"ip5508-bz-188.glb",
"ip5508-bz-188.step",
"ip5508-bz-188.lbr",
"docs/hero.png",
"docs/ip5508-bz-188-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ip5508-bz-188-hero.glb",
"ip5508-bz-188-hero.overlay.json",
"ip5508-bz-188-etched.glb"
],
"component": {
"mpn": "IP5508_BZ_188",
"manufacturer": "INJOINIC",
"package": "QFN-32-EP(5x5)",
"pin_count": 33,
"category": "Power Management (PMIC)",
"subcategory": "Battery Management",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883892674052096",
"parts": {
"symbol": "ip5508-bz-188.kicad_sym",
"footprint": "ip5508-bz-188.kicad_mod",
"model_3d": "ip5508-bz-188-hero.glb",
"model_3d_plain": "ip5508-bz-188-etched.glb",
"model_3d_step": "ip5508-bz-188-etched.step",
"model_3d_step_plain": "ip5508-bz-188.step",
"lbr": "ip5508-bz-188.lbr"
},
"distributor_links": {
"lcsc": "C282577"
},
"distributor_check": {
"checked_at": "2026-10-18T14:03:39Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "LED1",
"type": "output",
"description": "Digit/LED display driver pin 1 for the battery-level indicator, wired to VCC through 100R resistors in the LED display configuration."
},
{
"number": "2",
"name": "VSET1",
"type": "input",
"description": "Battery voltage setting pin 1; together with VSET2 it selects the 4.20 V, 4.30 V, 4.35 V or 4.40 V constant-voltage charge level through the Vset[2:1] coding."
},
{
"number": "3",
"name": "IO8",
"type": "bidirectional",
"description": "General-purpose GPIO pin with a stated IO port drive current of 4 mA to 8 mA (5 mA typical)."
},
{
"number": "4",
"name": "MODE1",
"type": "input",
"description": "Key mode selection pin 1; together with MODE2 it selects one of four key operating modes (power on/off, flashlight or lamp control)."
},
{
"number": "5",
"name": "MODE2",
"type": "input",
"description": "Key mode selection pin 2; together with MODE1 it selects one of four key operating modes."
},
{
"number": "6",
"name": "DP",
"type": "bidirectional",
"description": "DCP function pin (shown as DP in the pin list and application circuit) for USB dedicated charging port detection."
},
{
"number": "7",
"name": "DM",
"type": "bidirectional",
"description": "DCP function pin (shown as DM in the pin list and application circuit) for USB dedicated charging port detection."
},
{
"number": "8",
"name": "ADC1",
"type": "input",
"description": "ADC1 analog input to the IC's internal 14-bit ADC."
},
{
"number": "9",
"name": "ADC2",
"type": "input",
"description": "ADC2 analog input to the IC's internal 14-bit ADC."
},
{
"number": "10",
"name": "ADCGND",
"type": "power_in",
"description": "System ground for the ADC and analog circuitry."
},
{
"number": "11",
"name": "FSEL",
"type": "input",
"description": "Battery initial capacity setting pin; the external resistor R19 sets capacity as R19 x 0.2 mAh, up to 25000 mAh."
},
{
"number": "12",
"name": "NTC",
"type": "input",
"description": "NTC function pin for temperature sensing; the application circuit uses a 100K at 25 °C NTC."
},
{
"number": "13",
"name": "VSET2",
"type": "input",
"description": "Battery voltage setting pin 2; together with VSET1 it selects the constant-voltage charge level."
},
{
"number": "14",
"name": "AGND",
"type": "power_in",
"description": "System ground pin."
},
{
"number": "15",
"name": "VCC",
"type": "power_out",
"description": "Always-on 3.1 V LDO output with 50 mA load capability; the datasheet gives VCC as 3.05 V to 3.15 V at VBAT = 3.7 V."
},
{
"number": "16",
"name": "BAT",
"type": "input",
"description": "Battery voltage sampling pin; the battery operating voltage range is stated as 3 V to 4.4 V."
},
{
"number": "17",
"name": "CSIN",
"type": "power_in",
"description": "System power supply and battery voltage sampling pin."
},
{
"number": "18",
"name": "PGND",
"type": "power_in",
"description": "Power ground pin for the DC-DC converter."
},
{
"number": "19",
"name": "LX",
"type": "passive",
"description": "DC-DC switching node that connects to the 1 uH inductor."
},
{
"number": "20",
"name": "LX",
"type": "passive",
"description": "DC-DC switching node that connects to the 1 uH inductor."
},
{
"number": "21",
"name": "LX",
"type": "passive",
"description": "DC-DC switching node that connects to the 1 uH inductor."
},
{
"number": "22",
"name": "VOUT",
"type": "power_out",
"description": "DC-DC 5 V boost output; rated for 2.4 A output current with 5.0 V typical at 2.4 A from a 3.7 V battery."
},
{
"number": "23",
"name": "VOUT",
"type": "power_out",
"description": "DC-DC 5 V boost output; rated for 2.4 A output current with 5.0 V typical at 2.4 A from a 3.7 V battery."
},
{
"number": "24",
"name": "VIN",
"type": "power_in",
"description": "DC-DC 5 V charge input; recommended input voltage is 4.5 V to 5.8 V and absolute maximum is -0.3 V to 12 V."
},
{
"number": "25",
"name": "VIN",
"type": "power_in",
"description": "DC-DC 5 V charge input; recommended input voltage is 4.5 V to 5.8 V and absolute maximum is -0.3 V to 12 V."
},
{
"number": "26",
"name": "KEY",
"type": "bidirectional",
"description": "Button input and flashlight driver pin; flashlight drive current is stated as 5 mA to 15 mA."
},
{
"number": "27",
"name": "LED6",
"type": "output",
"description": "Digit/LED display driver pin 6 for the battery-level indicator."
},
{
"number": "28",
"name": "LED5",
"type": "output",
"description": "Digit/LED display driver pin 5 for the battery-level indicator."
},
{
"number": "29",
"name": "LED4",
"type": "output",
"description": "Digit/LED display driver pin 4 for the battery-level indicator."
},
{
"number": "30",
"name": "IO6",
"type": "bidirectional",
"description": "General-purpose GPIO pin with a stated IO port drive current of 4 mA to 8 mA (5 mA typical)."
},
{
"number": "31",
"name": "LED3",
"type": "output",
"description": "Digit/LED display driver pin 3 for the battery-level indicator."
},
{
"number": "32",
"name": "LED2",
"type": "output",
"description": "Digit/LED display driver pin 2 for the battery-level indicator."
},
{
"number": "33",
"name": "EPAD/PGND",
"type": "power_in",
"description": "Exposed pad for power ground and heat dissipation; it must be kept in good contact with GND."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The MPN suffix '_BZ_188' is not defined in the datasheet. The only package given is QFN32 5mm x 5mm,; The pin list gives 33 entries: 32 leads plus the exposed pad labelled EPAD/PGND. The package drawing; Pin types for LX, KEY, CSIN, BAT and the LED display pins are not stated in the datasheet. They were"
],
"pages_sent": 18,
"cost_usd": 0.0742,
"at": "2026-10-18T14:03:23"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883892674052096",
"pages": 18,
"sha256": "144b9e53f90597fc",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 33,
"described": 33,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
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"footprint": "viewers/footprint.html"
},
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"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
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"zmin_mm": 0.0,
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"footprint_binding": "identity",
"sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ip5508-bz-188-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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"footprint_binding": "identity",
"sha256": "24cfbf21b13ae0cdb117b725d9e5641a43180eeb8ebd8b2dabae8116cebdcb38",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}