component
MP1476LGTF-Z
Public Made by Adomby adom
Monolithic Power Systems DC-DC Converters, SOT-563. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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MP1476LGTF-Z
Monolithic Power Systems · DC-DC Converters · SOT-563
MP1476LGTF-Z from Monolithic Power Systems, in a SOT-563. 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 | VIN | power_in | Supply voltage input operating from a 3.9V to 18V rail, requiring a decoupling capacitor C1 placed close to the pin and a wide PCB trace. |
| 2 | SW | output | Switch output node that must be connected with a wide PCB trace and kept short and away from the feedback network. |
| 3 | GND | power_in | System ground and reference for the regulated output voltage, which requires careful layout with copper traces and vias to ground. |
| 4 | BST | passive | Bootstrap pin where a 1µF BST capacitor and a resistor are connected between SW and BST to form the floating high-side driver supply. |
| 5 | EN | input | Enable input that turns the regulator on when driven high; for automatic start-up it connects to VIN through a 100kΩ pull-up, and the pin is internally clamped by a 2.8V Zener diode. |
| 6 | FB | input | Feedback input connected to the tap of an external resistor divider from VOUT to GND, where the frequency foldback comparator reduces the oscillator frequency when FB drops below 600mV. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Monolithic Power Systems |
| Package | SOT-563 |
| Category | Power Management (PMIC) |
| Pins | 6 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply current (quiescent) | Iq | 0.15 | 0.19 | 0.3 | mA | TJ = -40°C to +125°C, VEN = 2V, VFB = 0.85V | 4 |
| Valley current limit | ILIMIT | 1.8 | 2.4 | 3.8 | A | VOUT = 0V | 4 |
| ZCD | IZCD | -150 | -20 | 150 | mA | VOUT = 3.3V, Lo = 4.7μH, IOUT = 0A | 4 |
| Oscillator frequency | fSW | 600 | 800 | 1000 | kHz | VFB = 0.75V | 4 |
| Feedback voltage | VREF | 795 | 807 | 819 | mV | TJ = +25°C | 4 |
| Feedback voltage | VREF | 791 | 807 | 823 | mV | TJ = -40°C to +125°C | 4 |
| EN rising threshold | VEN_RISING | 1.14 | 1.2 | 1.26 | V | 4 | |
| Soft-start period | τSS | 1 | 1.4 | 2 | ms | 4 | |
| Input voltage (VIN) absolute maximum | VIN | -0.3 | 20 | V | 3 | ||
| Switch voltage (VSW) DC | VSW | -0.3 | V | DC; upper limit printed as VIN + 0.3V | 3 | ||
| Switch voltage (VSW) transient undershoot | VSW | -0.6 | V | <1.5μs | 3 | ||
| Switch voltage (VSW) transient undershoot | VSW | -6.5 | V | <10ns | 3 | ||
| Switch voltage (VSW) transient overshoot | VSW | 21 | V | <10ns | 3 | ||
| Enable voltage (VEN) absolute maximum | VEN | -0.3 | 5 | V | 3 | ||
| All other pins absolute maximum | -0.3 | 5 | V | 3 | |||
| Junction temperature | TJ | 150 | °C | 3 | |||
| Storage temperature | TSTG | -65 | 150 | °C | 3 | ||
| Supply voltage | VIN | 3.9 | 18 | V | 3 | ||
| Operating junction temperature | TJ | -40 | 125 | °C | 3 | ||
| Junction-to-case thermal resistance | θJC | 21 | °C/W | EV1476L-TF-00A, 2-layer PCB | 3 | ||
| Junction-to-case thermal resistance | θJC | 60 | °C/W | JESD51-7, 4-layer PCB | 3 |
CAD (KiCad official)
- Symbol:
MP1476LGTF-Z - Footprint:
Package_TO_SOT_SMD:SOT-563 - 3D model: SOT-563 (KiCad packages3D, STEP)
- 3D model files:
mp1476lgtf-z-etched.step/mp1476lgtf-z-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mp1476lgtf-z.step/mp1476lgtf-z.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Monolithic Power Systems datasheet (19 pp, sha256
d969f5a1c8f6a40e, retrieved 2026-10-21, 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).
# MP1476LGTF-Z
**Monolithic Power Systems** · DC-DC Converters · SOT-563
MP1476LGTF-Z from Monolithic Power Systems, in a SOT-563. 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 | VIN | power_in | Supply voltage input operating from a 3.9V to 18V rail, requiring a decoupling capacitor C1 placed close to the pin and a wide PCB trace. |
| 2 | SW | output | Switch output node that must be connected with a wide PCB trace and kept short and away from the feedback network. |
| 3 | GND | power_in | System ground and reference for the regulated output voltage, which requires careful layout with copper traces and vias to ground. |
| 4 | BST | passive | Bootstrap pin where a 1µF BST capacitor and a resistor are connected between SW and BST to form the floating high-side driver supply. |
| 5 | EN | input | Enable input that turns the regulator on when driven high; for automatic start-up it connects to VIN through a 100kΩ pull-up, and the pin is internally clamped by a 2.8V Zener diode. |
| 6 | FB | input | Feedback input connected to the tap of an external resistor divider from VOUT to GND, where the frequency foldback comparator reduces the oscillator frequency when FB drops below 600mV. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Monolithic Power Systems |
| Package | SOT-563 |
| Category | Power Management (PMIC) |
| Pins | 6 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply current (quiescent) | Iq | 0.15 | 0.19 | 0.3 | mA | TJ = -40°C to +125°C, VEN = 2V, VFB = 0.85V | 4 |
| Valley current limit | ILIMIT | 1.8 | 2.4 | 3.8 | A | VOUT = 0V | 4 |
| ZCD | IZCD | -150 | -20 | 150 | mA | VOUT = 3.3V, Lo = 4.7μH, IOUT = 0A | 4 |
| Oscillator frequency | fSW | 600 | 800 | 1000 | kHz | VFB = 0.75V | 4 |
| Feedback voltage | VREF | 795 | 807 | 819 | mV | TJ = +25°C | 4 |
| Feedback voltage | VREF | 791 | 807 | 823 | mV | TJ = -40°C to +125°C | 4 |
| EN rising threshold | VEN_RISING | 1.14 | 1.2 | 1.26 | V | | 4 |
| Soft-start period | τSS | 1 | 1.4 | 2 | ms | | 4 |
| Input voltage (VIN) absolute maximum | VIN | -0.3 | | 20 | V | | 3 |
| Switch voltage (VSW) DC | VSW | -0.3 | | | V | DC; upper limit printed as VIN + 0.3V | 3 |
| Switch voltage (VSW) transient undershoot | VSW | -0.6 | | | V | <1.5μs | 3 |
| Switch voltage (VSW) transient undershoot | VSW | -6.5 | | | V | <10ns | 3 |
| Switch voltage (VSW) transient overshoot | VSW | | | 21 | V | <10ns | 3 |
| Enable voltage (VEN) absolute maximum | VEN | -0.3 | | 5 | V | | 3 |
| All other pins absolute maximum | | -0.3 | | 5 | V | | 3 |
| Junction temperature | TJ | | | 150 | °C | | 3 |
| Storage temperature | TSTG | -65 | | 150 | °C | | 3 |
| Supply voltage | VIN | 3.9 | | 18 | V | | 3 |
| Operating junction temperature | TJ | -40 | | 125 | °C | | 3 |
| Junction-to-case thermal resistance | θJC | | 21 | | °C/W | EV1476L-TF-00A, 2-layer PCB | 3 |
| Junction-to-case thermal resistance | θJC | | 60 | | °C/W | JESD51-7, 4-layer PCB | 3 |
## CAD (KiCad official)
- Symbol: `MP1476LGTF-Z`
- Footprint: `Package_TO_SOT_SMD:SOT-563`
- 3D model: SOT-563 (KiCad packages3D, STEP)
- 3D model files: `mp1476lgtf-z-etched.step` / `mp1476lgtf-z-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mp1476lgtf-z.step` / `mp1476lgtf-z.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Monolithic Power Systems datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603407443703980032) (19 pp, sha256 `d969f5a1c8f6a40e`, retrieved 2026-10-21, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-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/mp1476lgtf-z-datasheet.pdf)