component
XC9140A331MR-G
Public Made by Adomby adom
Torex Semicon DC-DC Converters, SOT-25-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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XC9140A331MR-G
Torex Semicon · DC-DC Converters · SOT-25-5
XC9140A331MR-G from Torex Semicon, in a SOT-25-5. 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 | CE | input | Chip enable: driving it High activates the device on all series, Low puts it in stand-by (XC9140A/B) or bypass mode (XC9140C), and the pin must not be left open. |
| 2 | GND | power_in | Ground reference; all voltages on this device are specified relative to GND. |
| 3 | VBAT | power_in | Power input with an operating input voltage range of 0.7 V to 5.5 V and an absolute maximum rating of -0.3 V to 7.0 V. |
| 4 | VOUT | power_out | Boosted output voltage pin, with an absolute maximum rating of -0.3 V to 7.0 V. |
| 5 | LX | output | Switching node driving the inductor, with an absolute maximum voltage of -0.3 V to VOUT + 0.3 V or 7.0 V (the lower value applies) and a maximum LX pin current of 700 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Torex Semicon |
| Package | SOT-25-5 |
| Category | Power Management (PMIC) |
| Pins | 5 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input Voltage | VBAT | 5.5 | V | 6 | |||
| Output Voltage (effective) | VOUT(E) | 3.234 | 3.366 | V | VPULL=1.5V, Voltage to start oscillation while VOUT is decreasing | 10 | |
| Operation Start Voltage | VST1 | 0.9 | V | IOUT=1mA | 6 | ||
| Supply Current | Iq | 6.3 | 10 | μA | Oscillation stops, VOUT=VOUT(T)+0.5V (*1) | 10 | |
| Input Pin Current | IBAT | 0.25 | 1 | μA | VOUT=VOUT(T)+0.5V (*1) | 6 | |
| Stand-by Current | ISTB | 0.1 | 1 | μA | VBAT=VLX=VOUT(T) (*1), VOUT=VCE=0V | 6 | |
| LX Leak Current | ILXL | 0.1 | 1 | μA | VBAT=VLX=VOUT(T) (*1), VOUT=VCE=0V | 6 | |
| PFM Switching Current | IPFM | 295 | 350 | 405 | mA | IOUT=3mA | 6 |
| Maximum ON Time | tONMAX | 3.1 | 4.6 | 6 | μs | VPULL=1.5V, VOUT=VOUT(T)×0.98 (*1) | 6 |
| LX SW Pch ON Resistance | RLXP | 0.65 | 0.85 | Ω | VBAT=VLX=VCE=VOUT(T)+0.5V (*1), IOUT=200mA | 10 | |
| CE H Voltage | VCEH | 0.75 | 5.5 | V | VBAT=VPULL=1.5V, VOUT=VOUT(T)×0.98 (*1), While VCE=0.3→0.75V, Voltage to start oscillation | 6 | |
| CE L Voltage | VCEL | 0.3 | V | VBAT=VPULL=1.5V, VOUT=VOUT(T)×0.98 (*1), While VCE=0.75→0.3V, Voltage to stop oscillation | 6 | ||
| CE H Current | ICEH | -0.1 | 0.1 | μA | VBAT=VCE=VLX=VOUT=5.5V | 6 | |
| CE L Current | ICEL | -0.1 | 0.1 | μA | VBAT=VLX=VOUT=5.5V, VCE=0V | 6 | |
| BAT Pin Voltage | VBAT | -0.3 | 7 | V | 5 | ||
| LX Pin Voltage | VLX | -0.3 | V | Maximum printed as VOUT + 0.3 or 7.0 (*1); see note (*1) | 5 | ||
| VOUT Pin Voltage | VOUT | -0.3 | 7 | V | 5 | ||
| CE Pin Voltage | VCE | -0.3 | 7 | V | 5 | ||
| LX Pin Current | ILX | 700 | mA | 5 | |||
| Power Dissipation SOT-25 | Pd | 250 | mW | Ta=25℃; board condition not stated for this value | 5 | ||
| Power Dissipation SOT-25 (40mm x 40mm standard board) | Pd | 600 | mW | Ta=25℃; PCB mounted, reference only | 5 | ||
| Power Dissipation SOT-25 (JESD51-7 board) | Pd | 760 | mW | Ta=25℃; PCB mounted, reference only | 5 | ||
| Operating Ambient Temperature | Topr | -40 | 85 | ˚C | 5 | ||
| Storage Temperature | Tstg | -55 | 125 | ˚C | 5 | ||
| Input Voltage Range (operating hold to max) | VBAT | 0.7 | 5.5 | V | Features list: input voltage range, operating hold voltage 0.7V to 5.5V | 1 |
CAD (KiCad official)
- Symbol:
XC9140A331MR-G - Footprint:
Package_TO_SOT_SMD:SOT-23-5 - 3D model: SOT-25-5 (KiCad packages3D, STEP)
- 3D model files:
xc9140a331mr-g-etched.step/xc9140a331mr-g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);xc9140a331mr-g.step/xc9140a331mr-g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Torex Semicon datasheet (33 pp, sha256
2d1d53714528e117, 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).
# XC9140A331MR-G
**Torex Semicon** · DC-DC Converters · SOT-25-5
XC9140A331MR-G from Torex Semicon, in a SOT-25-5. 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 | CE | input | Chip enable: driving it High activates the device on all series, Low puts it in stand-by (XC9140A/B) or bypass mode (XC9140C), and the pin must not be left open. |
| 2 | GND | power_in | Ground reference; all voltages on this device are specified relative to GND. |
| 3 | VBAT | power_in | Power input with an operating input voltage range of 0.7 V to 5.5 V and an absolute maximum rating of -0.3 V to 7.0 V. |
| 4 | VOUT | power_out | Boosted output voltage pin, with an absolute maximum rating of -0.3 V to 7.0 V. |
| 5 | LX | output | Switching node driving the inductor, with an absolute maximum voltage of -0.3 V to VOUT + 0.3 V or 7.0 V (the lower value applies) and a maximum LX pin current of 700 mA. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Torex Semicon |
| Package | SOT-25-5 |
| Category | Power Management (PMIC) |
| Pins | 5 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input Voltage | VBAT | | | 5.5 | V | | 6 |
| Output Voltage (effective) | VOUT(E) | 3.234 | | 3.366 | V | VPULL=1.5V, Voltage to start oscillation while VOUT is decreasing | 10 |
| Operation Start Voltage | VST1 | | | 0.9 | V | IOUT=1mA | 6 |
| Supply Current | Iq | | 6.3 | 10 | μA | Oscillation stops, VOUT=VOUT(T)+0.5V (*1) | 10 |
| Input Pin Current | IBAT | | 0.25 | 1 | μA | VOUT=VOUT(T)+0.5V (*1) | 6 |
| Stand-by Current | ISTB | | 0.1 | 1 | μA | VBAT=VLX=VOUT(T) (*1), VOUT=VCE=0V | 6 |
| LX Leak Current | ILXL | | 0.1 | 1 | μA | VBAT=VLX=VOUT(T) (*1), VOUT=VCE=0V | 6 |
| PFM Switching Current | IPFM | 295 | 350 | 405 | mA | IOUT=3mA | 6 |
| Maximum ON Time | tONMAX | 3.1 | 4.6 | 6 | μs | VPULL=1.5V, VOUT=VOUT(T)×0.98 (*1) | 6 |
| LX SW Pch ON Resistance | RLXP | | 0.65 | 0.85 | Ω | VBAT=VLX=VCE=VOUT(T)+0.5V (*1), IOUT=200mA | 10 |
| CE H Voltage | VCEH | 0.75 | | 5.5 | V | VBAT=VPULL=1.5V, VOUT=VOUT(T)×0.98 (*1), While VCE=0.3→0.75V, Voltage to start oscillation | 6 |
| CE L Voltage | VCEL | | | 0.3 | V | VBAT=VPULL=1.5V, VOUT=VOUT(T)×0.98 (*1), While VCE=0.75→0.3V, Voltage to stop oscillation | 6 |
| CE H Current | ICEH | -0.1 | | 0.1 | μA | VBAT=VCE=VLX=VOUT=5.5V | 6 |
| CE L Current | ICEL | -0.1 | | 0.1 | μA | VBAT=VLX=VOUT=5.5V, VCE=0V | 6 |
| BAT Pin Voltage | VBAT | -0.3 | | 7 | V | | 5 |
| LX Pin Voltage | VLX | -0.3 | | | V | Maximum printed as VOUT + 0.3 or 7.0 (*1); see note (*1) | 5 |
| VOUT Pin Voltage | VOUT | -0.3 | | 7 | V | | 5 |
| CE Pin Voltage | VCE | -0.3 | | 7 | V | | 5 |
| LX Pin Current | ILX | | | 700 | mA | | 5 |
| Power Dissipation SOT-25 | Pd | | | 250 | mW | Ta=25℃; board condition not stated for this value | 5 |
| Power Dissipation SOT-25 (40mm x 40mm standard board) | Pd | | | 600 | mW | Ta=25℃; PCB mounted, reference only | 5 |
| Power Dissipation SOT-25 (JESD51-7 board) | Pd | | | 760 | mW | Ta=25℃; PCB mounted, reference only | 5 |
| Operating Ambient Temperature | Topr | -40 | | 85 | ˚C | | 5 |
| Storage Temperature | Tstg | -55 | | 125 | ˚C | | 5 |
| Input Voltage Range (operating hold to max) | VBAT | 0.7 | | 5.5 | V | Features list: input voltage range, operating hold voltage 0.7V to 5.5V | 1 |
## CAD (KiCad official)
- Symbol: `XC9140A331MR-G`
- Footprint: `Package_TO_SOT_SMD:SOT-23-5`
- 3D model: SOT-25-5 (KiCad packages3D, STEP)
- 3D model files: `xc9140a331mr-g-etched.step` / `xc9140a331mr-g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `xc9140a331mr-g.step` / `xc9140a331mr-g.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Torex Semicon datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589837231562260480) (33 pp, sha256 `2d1d53714528e117`, retrieved 2026-10-18, 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/xc9140a331mr-g-datasheet.pdf)