component
ETA6003Q3Q
Public Made by Adomby adom
etasolution DC-DC Converters, QFN3X3-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownETA6003Q3Q
etasolution · DC-DC Converters · QFN3X3-16
ETA6003Q3Q from etasolution, in a QFN3X3-16. 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 | SYS | power_out | System voltage pin and switching regulator output; connect an inductor and capacitor to form the output filter. |
| 2 | IN | power_in | Input pin connected to an AC adaptor or USB charger output (4.4V to 5.5V range); bypass with a 10µF capacitor each to GND and PGND. |
| 3 | SW | passive | Switching node of the switching regulator; connect a 1µH to 2.2µH inductor from this pin to SYS. |
| 4 | SW | passive | Switching node of the switching regulator; connect a 1µH to 2.2µH inductor from this pin to SYS. |
| 5 | PGND | power_in | Power ground; bypass with a 10µF capacitor to IN with the shortest possible trace. |
| 6 | ENB | input | Active-low enable pin; tie low to enable charging, tie high to disable charging while keeping the power path from BATT to SYS. |
| 7 | NTC | input | Thermistor input for battery temperature monitoring. |
| 8 | ENPPB | input | Shipping mode enable pin; tie to GND to enable the BATT to SYS power path, tie to BATT to disable it and enter shipping mode. |
| 9 | STATS | output | Charging status indication pin, open-drain output capable of driving 10mA (labelled STAT in the pin configuration diagram). |
| 10 | GND | power_in | Analog ground pin; bypass with a 10µF capacitor to IN. |
| 11 | ISET1 | passive | AC fast charge current set pin; a resistor to GND sets the AC adapter charge current when USB_DET is low (Icharge = 1V*1000/RISET1). |
| 12 | ISET2 | passive | USB charge current set pin; a resistor to GND sets the USB charge current when USB_DET is high (Icharge = 1V*1000/RISET2). |
| 13 | USB_DET | input | Charge current selecting input; low selects AC current set by ISET1, high selects USB current set by ISET2, default low. |
| 14 | BATT | bidirectional | Battery pin; connect a battery to this pin. |
| 15 | SYS | power_out | System voltage pin and switching regulator output; connect an inductor and capacitor to form the output filter. |
| 16 | BATT | bidirectional | Battery pin; connect a battery to this pin. |
| 17 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | etasolution |
| Package | QFN3X3-16 |
| Category | Power Management (PMIC) |
| Pins | 17 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| IN, BATT Voltage | VIN, VBATT | -0.3 | 6 | V | 2 | ||
| Operating Temperature Range | TA | -40 | 85 | °C | 2 | ||
| Storage Temperature Range | TSTG | -55 | 150 | °C | 2 | ||
| INPUT Range | VIN | 4.4 | 5.5 | V | 3 | ||
| VSYSMIN | VSYSMIN | 3.6 | V | ISYS=1A, Default | 3 | ||
| VSYSMAX | VSYSMAX | 4.5 | V | 3 | |||
| Max duty | 100 | % | 3 | ||||
| ENB, ENPPB Logic Input High | 1.6 | V | 4 | ||||
| ENB, ENPPB Logic Input Low | 0.3 | V | 4 | ||||
| STAT Output Low Voltage | 0.2 | V | ISTATS=10mA | 4 | |||
| Battery CV voltage | 4.16 | 4.2 | 4.24 | V | IBAT =0mA, default | 3 | |
| BATT to INPUT leakage Current | 0 | 5 | μA | Input Floating | 3 | ||
| INPUT UVLO | 3.9 | V | Rising, Hys=500mV | 3 | |||
| INPUT Operating Current | 5 | mA | Switcher Enable, Switching | 3 | |||
| INPUT Operating Current | 70 | μA | Switcher Enable, No Switching | 3 | |||
| Vhold | Vhold | 4.5 | V | When VIN drop to Vhold, then reduce DC-DC current limit | 3 | ||
| Load Regulation | 40 | mV/A | 3 | ||||
| Line Regulation | 0.04 | %/V | VIN =4.75 to 5.25V | 3 | |||
| Switching Frequency | 3 | MHz | 3 | ||||
| HIGHSIDE MOS RDSON | RDSON | 100 | mΩ | ISW =500mA | 3 | ||
| LOWSIDE MOS RDSON | RDSON | 60 | mΩ | ISW =500mA | 3 | ||
| HIGHSIDE Current limit | 3.5 | A | 3 | ||||
| SYS UVLO | 2.25 | V | Falling, Hys=200mV | 3 | |||
| Thermal Shutdown | 160 | °C | Rising, Hys=30oC | 3 | |||
| BATT TO SYS RDSON | RDSON | 50 | mΩ | 3 | |||
| Charger Restart Threshold | -150 | mV | From DONE to FastCharge | 3 | |||
| Battery Pre-condition Voltage | 2.9 | V | VBAT Rising Hys=180mV | 3 | |||
| Pre-Condition Charge Current | 100 | mA | 3 | ||||
| AC Fast Charge Current | 2 | A | RISET1 =500Ω, USB_DET= low; Icharge=1V*1000/RISET1 | 3 | |||
| USB Charge Current | 0.5 | A | RISET2 =2KΩ, USB_DET= high; Icharge=1V*1000/RISET2 | 3 | |||
| Pre-condition Timer | 120 | min | 3 | ||||
| Fast-Charge Timer | 960 | min | 3 | ||||
| EOC current | 10 | % | Percent of the fast charge current | 3 | |||
| NTC Threshold, Cold | 76.5 | %VIN | Charger Suspended | 3 | |||
| NTC Threshold, Hot | 35 | %VIN | Charger Suspended | 3 | |||
| NTC Threshold Hysteresis | 1.5 | %VIN | 4 | ||||
| NTC Disable Threshold | 100 | mV | 4 | ||||
| NTC Input Leakage | 0 | μA | 4 |
CAD (KiCad official)
- Symbol:
ETA6003Q3Q - Footprint:
Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm - 3D model: QFN3X3-16 (KiCad packages3D, STEP)
- 3D model files:
eta6003q3q-etched.step/eta6003q3q-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);eta6003q3q.step/eta6003q3q.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: etasolution datasheet (11 pp, sha256
768fdb0193a85d33, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-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).