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FAN48610BUC33X
Public Made by Adomby adom
onsemi DC-DC Converters, WLCSP-9(1.2x1.2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.md+90docs/fan48610buc33x-datasheet.pdf+4574docs/hero.pngfan48610buc33x-etched.glbfan48610buc33x-hero.glbfan48610buc33x-hero.overlay.json+282fan48610buc33x.glbfan48610buc33x.kicad_mod+216fan48610buc33x.kicad_sym+49fan48610buc33x.lbr+129fan48610buc33x.step+446package.json+200page.json+206viewers/footprint.html+1viewers/symbol.html+1README.mdadded+90@@ -0,0 +1,90 @@+# FAN48610BUC33X++**onsemi** · DC-DC Converters · WLCSP-9(1.2x1.2)++FAN48610BUC33X from onsemi, in a WLCSP-9(1.2x1.2). 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 |+|---|---|---|---|+| A1 | VOUT | power_out | Output voltage terminal; connect directly to COUT. |+| A2 | VOUT | power_out | Output voltage terminal; connect directly to COUT. |+| A3 | VIN | power_in | Input voltage; connect to Li-Ion battery input power source, also the bias supply for the gate drivers (2.5 V to 4.8 V recommended). |+| B1 | SW | passive | Switching node; connect to inductor. |+| B2 | SW | passive | Switching node; connect to inductor. |+| B3 | EN | input | Enable; the circuit is enabled when this pin is HIGH (VIH min 1.05 V, VIL max 0.4 V). |+| C1 | PGND | power_in | Power ground, the power return for the IC; return COUT with the shortest path possible to these pins. |+| C2 | PGND | power_in | Power ground, the power return for the IC; return COUT with the shortest path possible to these pins. |+| C3 | AGND | power_in | Analog ground, the signal ground reference for the IC; connect to PGND at a single point. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | onsemi |+| Package | WLCSP-9(1.2x1.2) |+| Category | Power Supply Chip |+| Pins | 9 |++## Electrical characteristics++Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).++| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |+|---|---|---|---|---|---|---|---|+| Voltage on VIN Pin | VIN | -0.3 | | 6 | V | | 3 |+| Voltage on VOUT Pin | VOUT | | | 6 | V | | 3 |+| SW Node DC | SW | -0.3 | | 6 | V | DC | 3 |+| SW Node Transient | SW | -1 | | 8 | V | Transient: 10 ns, 3 MHz | 3 |+| Voltage on Other Pins | VCC | -0.3 | | 6 | V | Lesser of 6.0 V or VIN + 0.3 V | 3 |+| ESD Human Body Model | ESD | | | 2 | kV | JESD22-A114 | 3 |+| ESD Charged Device Model | ESD | | | 1 | kV | JESD22-C101 | 3 |+| Junction Temperature | TJ | -40 | | 150 | °C | | 3 |+| Storage Temperature | TSTG | -65 | | 150 | °C | | 3 |+| Lead Soldering Temperature | TL | | | 260 | °C | 10 Seconds | 3 |+| Supply Voltage | VIN | 2.5 | | 4.8 | V | | 4 |+| Maximum Output Current | IOUT | | | 1000 | mA | | 4 |+| Ambient Temperature | TA | -40 | | 85 | °C | | 4 |+| Junction Temperature | TJ | -40 | | 125 | °C | | 4 |+| VIN Quiescent Current | IQ | | 85 | 125 | uA | VIN = 3.6 V, IOUT = 0 A, EN = VIN | 4 |+| Shutdown Current | IQ | | 3 | 10 | uA | Shutdown: EN = 0, VIN = 3.6 V | 4 |+| Under-Voltage Lockout | VUVLO | | 2.2 | 2.3 | V | VIN Rising | 4 |+| Under-Voltage Lockout Hysteresis | VUVLO_HYS | | 150 | | mV | | 4 |+| Enable HIGH Voltage | VIH | 1.05 | | | V | | 4 |+| Enable LOW Voltage | VIL | | | 0.4 | V | | 4 |+| Current Sink Pull-Down | IPD | | 100 | | nA | EN Pin, Logic HIGH | 4 |+| Low-State Active Pull-Down | RLOW | 200 | 300 | 400 | kOhm | EN Pin, Logic LOW | 4 |+| Output Voltage Accuracy DC | VREG | -2 | | 4 | % | Referred to VOUT, 2.5 V ≤ VIN ≤ VOUT −150 mV | 4 |+| VIN-to-VOUT Leakage Current | ILK_OUT | | | 1 | uA | VOUT = 0, EN = 0, VIN = 4.2 V | 4 |+| VOUT-to-VIN Reverse Leakage Current | ILK | | | 3.5 | uA | VOUT = 5.0 V, EN = 0, VIN = 2.5 V | 4 |+| Output Voltage Accuracy Transient | VTRSP | -5 | | 5 | % | Referred to VOUT, 50−500 mA Load Step | 4 |+| Switching Frequency | fSW | 2 | 2.5 | 3 | MHz | VIN = 3.6 V, VOUT = 5.0 V, Load = 1000 mA | 4 |+| Soft-Start EN HIGH to Regulation | tSS | | 600 | | us | 50 Ω Load, VOUT = 5.0 V | 4 |+| FAULT Restart Timer | tRST | | 20 | | ms | | 4 |+| N-Channel Boost Switch RDS(ON) | RDS(ON)N | | 80 | 130 | mOhm | VIN = 3.6 V, VOUT = 5.0 V | 5 |+| P-Channel Sync. Rectifier RDS(ON) | RDS(ON)P | | 65 | 115 | mOhm | VIN = 3.6 V, VOUT = 5.0 V | 5 |+| Boost Valley Current Limit | IV_LIM | 3 | | 3.85 | A | VOUT = 5.0 V | 5 |+| Boost Soft-Start Valley Current Limit | IV_LIM_SS | | 1.7 | | A | VIN < VOUT < VOUT_TARGET, SS Mode | 5 |+| Minimum VIN for 1000 mA Load | VMIN_1.0A | | 2.5 | | V | VOUT = 5.0 V | 5 |+| Minimum VIN for 1500 mA Load | VMIN_1.5A | | 3 | | V | VOUT = 5.0 V | 5 |+| Over-Temperature Protection | T150T | | 150 | | °C | | 5 |+| OTP Hysteresis | T150H | | 20 | | °C | | 5 |+| Junction-to-Ambient Thermal Resistance | θJA | | 50 | | °C/W | four-layer 2s2p boards, JESD51 | 4 |++## CAD (KiCad official)++- Symbol: `FAN48610BUC33X`+- Footprint: `Package_CSP:WLCSP-9_1.21x1.22mm_Layout3x3_P0.4mm`+- 3D model: WLCSP-9(1.2x1.2) (KiCad packages3D, STEP)+- 3D model files: `fan48610buc33x-etched.step` / `fan48610buc33x-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `fan48610buc33x.step` / `fan48610buc33x.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [onsemi datasheet](https://www.onsemi.com/pdf/datasheet/fan48610buc33x-d.pdf) (13 pp, sha256 `3a456ce8498c8ccd`, retrieved 2026-10-24, tier: manufacturer)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text), consensus `claude-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).++[Datasheet PDF](docs/fan48610buc33x-datasheet.pdf)
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