component
IP5189T-QW
Public Made by Adomby adom
INJOINIC DC-DC Converters, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 15d ago |
| viewers | 15d ago |
| ip5189t-qw-etched.glb | 15d ago |
| ip5189t-qw-etched.step | 15d ago |
| ip5189t-qw-hero.glb | 15d ago |
| ip5189t-qw-hero.overlay.json | 15d ago |
| ip5189t-qw.glb | 15d ago |
| ip5189t-qw.kicad_mod | 15d ago |
| ip5189t-qw.kicad_sym | 15d ago |
| ip5189t-qw.lbr | 15d ago |
| ip5189t-qw.step | 15d ago |
| package.json | 15d ago |
| page.json | 15d ago |
| README.md | 15d ago |
IP5189T-QW
INJOINIC · DC-DC Converters · QFN-24-EP(4x4)
IP5189T-QW from INJOINIC, in a QFN-24-EP(4x4). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | L2 | output | LED fuel-gauge driver pin L2 (display drive current 10 mA per LED). |
| 2 | L3 | output | LED fuel-gauge driver pin L3 (display drive current 10 mA per LED). |
| 3 | VDD | power_out | Internal LDO output, 3.1V typical, with an external 2.2uF capacitor; LDO is off in standby. |
| 4 | VTHS | input | Battery platform select: tie to VDD for 3.7V high-platform cell, tie to GND for 3.6V low-platform cell. |
| 5 | RSET | passive | Battery internal-resistance compensation setting via external resistor (10K=45 mOhm, 43K=67.5, 120K=112.5, 200K=90, NC=22.5 mOhm) to fine-tune the fuel-gauge curve. |
| 6 | NTC | input | Thermistor sense pin sourcing 20uA; connect 51K to GND if NTC is unused and do not leave floating. |
| 7 | AGND | power_in | Analog ground. |
| 8 | KEY | input | Key input pin; short press (>30ms, <2s) turns on LED display and boost output, long press (>2s) turns them off. |
| 9 | VBAT | power_in | Boost input pin connected to lithium battery positive terminal; battery operating range 3.0V to 4.4V. |
| 10 | NC | unconnected | No connection. |
| 11 | ICHG | passive | External resistor to set charge current, ICHG = 1.2V/R*10000 (56K=2.1A, 82K=1.5A, 100K=1.2A, 120K=1A, NC default 1.8A). |
| 12 | PGND | power_in | Power ground. |
| 13 | LX | passive | DCDC switching node connected to the inductor (1uH typical); pins 13, 14 and 15 are tied together. |
| 14 | LX | passive | DCDC switching node connected to the inductor (1uH typical); pins 13, 14 and 15 are tied together. |
| 15 | LX | passive | DCDC switching node connected to the inductor (1uH typical); pins 13, 14 and 15 are tied together. |
| 16 | VOUT | power_out | 5V boost output pin, up to 2.1A load capability; pins 16 and 17 are tied together. |
| 17 | VOUT | power_out | 5V boost output pin, up to 2.1A load capability; pins 16 and 17 are tied together. |
| 18 | DP | bidirectional | USB D+ line used for automatic DCP phone charging protocol detection and switching. |
| 19 | DM | bidirectional | USB D- line used for automatic DCP phone charging protocol detection and switching. |
| 20 | VIN | power_in | DC 5V charging input pin (recommended 4.75V to 5.5V, absolute maximum 10V); pins 20 and 21 are tied together. |
| 21 | VIN | power_in | DC 5V charging input pin (recommended 4.75V to 5.5V, absolute maximum 10V); pins 20 and 21 are tied together. |
| 22 | LIGHT | output | Open-drain lighting LED driver output, maximum drive current 25mA; connect to GND if no lighting function is used. |
| 23 | VSET | input | Battery type select: floating=4.20V, tied to GND=4.35V, tied to VDD=4.40V. |
| 24 | L1 | output | LED fuel-gauge driver pin L1 (display drive current 10 mA per LED). |
| 25 | GND | power_in | Exposed pad: power ground and thermal ground, must keep good contact with GND. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | INJOINIC |
| Package | QFN-24-EP(4x4) |
| Category | Power Management ICs |
| Pins | 25 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Port input voltage range | VIN | -0.3 | 10 | V | 4 | ||
| Junction temperature range | TJ | -40 | 150 | ℃ | 4 | ||
| Storage temperature range | Tstg | -60 | 150 | ℃ | 4 | ||
| ESD HBM | ESD | 4 | KV | Human body model | 4 | ||
| Thermal resistance junction to ambient | θJA | 40 | ℃/W | 4 | |||
| Input voltage (recommended) | VIN | 4.75 | 5 | 5.5 | V | 4 | |
| Load current | I | 0 | 2.1 | A | 4 | ||
| Input voltage (charging) | VIN | 4.75 | 5 | 5.5 | V | TA=25℃, L=1uH | 4 |
| Switching frequency (charge) | fs | 600 | 700 | 800 | KHz | VIN=5V | 5 |
| Battery operating voltage | VBAT | 3 | 4.4 | V | 5 | ||
| Load short-circuit detection time | TOCD | 150 | 200 | us | 输出电流持续大于 4A | 5 | |
| Input operating current | IVIN | 5 | mA | VIN=5V，fs=700KHz | 4 | ||
| Charge target voltage | VTRGT | 4.2 | V | 4 | |||
| Charge current | ICHRG | 2.1 | A | 4 | |||
| Trickle charge current | ITRKL | 100 | mA | VIN=5v，VBAT=2.7v | 4 | ||
| Trickle cutoff voltage | VTRKL | 3 | V | 4 | |||
| Recharge threshold | VRCH | 4.1 | V | 4 | |||
| Charge end time | TEND | 24 | Hour | 4 | |||
| Input undervoltage protection | VUVLO | 4.5 | V | 上升电压 | 4 | ||
| Undervoltage hysteresis | VUVLO | 200 | mV | 5 | |||
| Switching battery input current | IBAT | 3 | mA | VBAT=3.7V，VOUT=5.1V，fs=500KHz | 5 | ||
| Battery input current not switching | IBAT | 100 | uA | VIN=5V，Device not switching | 5 | ||
| DC output voltage | VOUT | 5 | V | VBAT=3.7V | 5 | ||
| Output voltage ripple | ΔVOUT | 50 | mV | VBAT=3.7V，VOUT=5.0V，fs=500KHz | 5 | ||
| Boost supply current | IUSB | 2.4 | A | 5 | |||
| Load overcurrent detection time | TUVD | 30 | ms | 输出电压持续低于 4.2V | 5 | ||
| Boost switching frequency | fs | 500 | KHz | VOUT=5V IOUT=2.1A | 5 | ||
| PMOS on resistance | rDSON | 35 | mΩ | 5 | |||
| NMOS on resistance | rDSON | 25 | mΩ | 5 | |||
| VDD output voltage | VDD | 3.1 | V | VBAT=3.5V | 5 | ||
| Battery input standby current | ISTB | 80 | uA | VIN=0V，VBAT=3.7V | 5 | ||
| LDO output current | ILDO | 5 | mA | 5 | |||
| LED lighting drive current | Ilight | 25 | mA | 5 | |||
| LED display drive current | IL1-IL4 | 10 | mA | 5 | |||
| Load auto-detect time | TloadD | 32 | s | 负载电流持续小于 45mA | 5 | ||
| Short key wake-up time | TOnDebounce | 80 | ms | 5 | |||
| Light-on time | TKeylight | 2 | s | 5 | |||
| Thermal shutdown temperature | TOTP | 125 | ℃ | 上升温度 | 5 | ||
| Thermal shutdown hysteresis | ΔTOTP | 40 | ℃ | 5 |
CAD (KiCad official)
- Symbol:
IP5189T-QW - Footprint:
Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm - 3D model: QFN-24-EP(4x4) (KiCad packages3D, STEP)
- 3D model files:
ip5189t-qw-etched.step/ip5189t-qw-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ip5189t-qw.step/ip5189t-qw.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: INJOINIC datasheet (15 pp, sha256
7532af29bbe2b5b8, retrieved 2026-10-22, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).