component
MIC2954-08YM-TR
Public Made by Adomby adom
Microchip Tech Power Management - Specialized, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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MIC2954-08YM-TR
Microchip Tech · Power Management - Specialized · SOIC-8
MIC2954-08YM-TR from Microchip Tech, in a SOIC-8. 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 | OUT | power_out | Regulator output; the -08 version is specified at 5V ±1% with 250mA load, and an output capacitor of 2.2µF or greater to ground is required to prevent oscillation. |
| 2 | SNS | input | Sense input at the output-side end of the internal resistive divider; connect to OUT for fixed 5V operation and leave unused in the adjustable configuration. |
| 3 | SHDN | input | Active-low shutdown input: low enables the regulator and high (2.0V minimum for the off state) shuts it down. |
| 4 | GND | power_in | Ground reference; the ground pin current is the regulator quiescent current, typically 140µA at a 1mA load and 5mA at a 250mA load. |
| 5 | /ERR | output | Open-collector active-low error flag that goes low when the output falls about 5% out of regulation; it requires an external pull-up (100k to 1MΩ suggested) and is rated to sink 400µA. |
| 6 | TAP | output | Resistive voltage divider tap that is approximately 1.23V when 5V is applied to SNS; connect it to FB for 5V operation. |
| 7 | FB | input | Error amplifier input compared to the internal 1.23V reference; it connects to an external divider for adjustable operation or to TAP for 5V operation. |
| 8 | IN | power_in | Supply input, operating from 2.0V to 30V continuous, with the device withstanding -20V reverse battery and +60V transients (limited to <10ms and <1% duty cycle). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | SOIC-8 |
| Category | Power Management (PMIC) |
| Pins | 8 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Output accuracy (±1% version, MIC2954-03/-08) | -1 | 1 | % | MIC2954-08 (±1%) output voltage accuracy, guaranteed over junction temperature -40°C to +125°C | 1 | ||
| Output voltage | VOUT | 4.95 | 5 | 5.05 | V | MIC2954-03/-08 (±1%) | 4 |
| Output voltage | VOUT | 4.9 | 5.1 | V | MIC2954-03/-08 (±1%), -40°C ≤ TJ ≤ +125°C | 4 | |
| Output voltage, 1mA to 250mA load | VOUT | 4.88 | 5 | 5.12 | V | MIC2954-03/-08 (±1%), 1mA ≤ IL ≤ 250mA | 4 |
| Output voltage temperature coefficient | ∆VOUT/∆T | 20 | 150 | ppm/°C | MIC2954-03/-08 (±1%); Note 6 | 4 | |
| Line regulation | ∆VOUT/VOUT | 0.03 | 0.2 | %/V | MIC2954-03/-08 (±1%), VIN = 6V to 26V; Note 7 | 4 | |
| Line regulation | ∆VOUT/VOUT | 0.4 | %/V | MIC2954-03/-08 (±1%), VIN = 6V to 26V, -40°C ≤ TJ ≤ +125°C; Note 7 | 4 | ||
| Load regulation | ∆VOUT/VOUT | 0.04 | 0.2 | %/V | MIC2954-03/-08 (±1%), IL = 1 to 250mA; Note 8 | 4 | |
| Load regulation | ∆VOUT/VOUT | 0.3 | %/V | MIC2954-03/-08 (±1%), IL = 1 to 250mA, -40°C ≤ TJ ≤ +125°C; Note 8 | 4 | ||
| Dropout voltage | VIN, VOUT | 60 | 100 | mV | IL = 1mA; Note 9 | 4 | |
| Dropout voltage | VIN, VOUT | 150 | mV | IL = 1mA, -40°C ≤ TJ ≤ +125°C; Note 9 | 4 | ||
| Dropout voltage | VIN, VOUT | 220 | 250 | mV | IL = 50mA; Note 9 | 4 | |
| Dropout voltage | VIN, VOUT | 420 | mV | IL = 50mA, -40°C ≤ TJ ≤ +125°C; Note 9 | 4 | ||
| Dropout voltage | VIN, VOUT | 250 | 300 | mV | IL = 100mA; Note 9 | 4 | |
| Dropout voltage | VIN, VOUT | 450 | mV | IL = 100mA, -40°C ≤ TJ ≤ +125°C; Note 9 | 4 | ||
| Dropout voltage | VIN, VOUT | 375 | 450 | mV | IL = 250mA; Note 9 | 4 | |
| Dropout voltage | VIN, VOUT | 600 | mV | IL = 250mA, -40°C ≤ TJ ≤ +125°C; Note 9 | 4 | ||
| Ground pin current | IGND | 140 | 200 | µA | IL = 1mA; Note 10 | 4 | |
| Ground pin current | IGND | 300 | µA | IL = 1mA, -40°C ≤ TJ ≤ +125°C; Note 10 | 4 | ||
| Ground pin current | IGND | 0.5 | 1 | mA | IL = 50mA; Note 10 | 4 | |
| Ground pin current | IGND | 2 | mA | IL = 50mA, -40°C ≤ TJ ≤ +125°C; Note 10 | 4 | ||
| Ground pin current | IGND | 1.7 | 2.5 | mA | IL = 100mA; Note 10 | 4 | |
| Ground pin current | IGND | 3.5 | mA | IL = 100mA, -40°C ≤ TJ ≤ +125°C; Note 10 | 4 | ||
| Ground pin current | IGND | 5 | 9 | mA | IL = 250mA; Note 10 | 4 | |
| Ground pin current | IGND | 12 | mA | IL = 250mA, -40°C ≤ TJ ≤ +125°C; Note 10 | 4 | ||
| Ground pin current at dropout | IGND(DO) | 180 | 300 | µA | VIN = 4.5V; Note 10 | 4 | |
| Current limit | ILIMIT | 750 | 800 | mA | VOUT = 0V; Note 11 | 5 | |
| Thermal regulation | ∆VOUT/∆PD | 0.05 | 0.2 | %/W | Note 12 | 5 | |
| Reference voltage | VREF | 1.21 | 1.235 | 1.26 | V | MIC2954-03/-08 (±1%) | 5 |
| Reference voltage | VREF | 1.2 | 1.27 | V | MIC2954-03/-08 (±1%), -40°C ≤ TJ ≤ +125°C | 5 | |
| Reference voltage | VREF | 1.185 | 1.285 | V | MIC2954-03/-08 (±1%), Note 13 | 5 | |
| Feedback pin bias current | 20 | 40 | nA | 5 | |||
| Feedback pin bias current | 60 | nA | -40°C ≤ TJ ≤ +125°C | 5 | |||
| Feedback pin bias current temperature coefficient | 0.1 | 40 | nA/°C | 5 | |||
| Error comparator output leakage current | 0.01 | 1 | µA | VOH = 30V | 5 | ||
| Error comparator output leakage current | 2 | µA | VOH = 30V, -40°C ≤ TJ ≤ +125°C | 5 | |||
| Error comparator output low voltage | 150 | 250 | mV | VIN = 4.5V, IOL = 400µA | 5 | ||
| Error comparator output low voltage | 400 | mV | VIN = 4.5V, IOL = 400µA, -40°C ≤ TJ ≤ +125°C | 5 | |||
| Error comparator upper threshold voltage | 40 | 60 | mV | Note 14 | 5 | ||
| Error comparator upper threshold voltage | 25 | mV | Note 14, -40°C ≤ TJ ≤ +125°C | 5 | |||
| Error comparator lower threshold voltage | 75 | 95 | mV | Note 14 | 5 | ||
| Error comparator lower threshold voltage | 140 | mV | Note 14, -40°C ≤ TJ ≤ +125°C | 5 | |||
| Shutdown input logic voltage, low (on) | 0.7 | V | 5 | ||||
| Shutdown input logic voltage, low (on) | 1.3 | V | Over temperature (second printed value) | 5 | |||
| Shutdown input logic voltage, high (off) | 2 | V | 5 | ||||
| Shutdown pin input current | 30 | 50 | µA | VSHDN = 2.4V | 5 | ||
| Shutdown pin input current | 100 | µA | VSHDN = 2.4V, -40°C ≤ TJ ≤ +125°C | 5 | |||
| Shutdown pin input current | 450 | 600 | µA | VSHDN = 30V | 5 | ||
| Shutdown pin input current | 750 | µA | VSHDN = 30V, -40°C ≤ TJ ≤ +125°C | 5 | |||
| Regulator output current in shutdown | 3 | 10 | µA | Note 15 | 5 | ||
| Regulator output current in shutdown | 20 | µA | Note 15, -40°C ≤ TJ ≤ +125°C | 5 | |||
| Supply voltage (VIN), absolute maximum | VIN | -20 | 60 | V | Note 17 | 4 | |
| Feedback voltage (VFB), absolute maximum | VFB | -1.5 | 26 | V | 4 | ||
| Shutdown input voltage (VSHDN), absolute maximum | VSHDN | -0.3 | 30 | V | 4 | ||
| Error output voltage (VERR), absolute maximum | VERR | -0.3 | 30 | V | 4 | ||
| Lead temperature (soldering, 5 sec.), absolute maximum | 260 | °C | Soldering, 5 sec. | 4 | |||
| Storage temperature | Ts | -65 | 150 | °C | 4 | ||
| Supply voltage (VIN), operating | VIN | 2 | 30 | V | 4 | ||
| Junction temperature (TJ), operating | TJ | -40 | 125 | °C | 4 | ||
| Package thermal resistance, junction to ambient (θJA) | θJA | 160 | °C/W | 8-pin SOIC on single-layer FR4 PCB, worst case (no ground plane) | 6 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | copper | The MIC2954-07BM/-08BM (8-pin surface-mount package) has the following thermal characteristics when mounted on a single layer copper-clad printed circuit | 11 |
CAD (KiCad official)
- Symbol:
MIC2954-08YM-TR - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
mic2954-08ym-tr-etched.step/mic2954-08ym-tr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mic2954-08ym-tr.step/mic2954-08ym-tr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip Tech datasheet (15 pp, sha256
2625bfe2bb4285f6, retrieved 2026-10-19, 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).
# MIC2954-08YM-TR
**Microchip Tech** · Power Management - Specialized · SOIC-8
MIC2954-08YM-TR from Microchip Tech, in a SOIC-8. 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 | OUT | power_out | Regulator output; the -08 version is specified at 5V ±1% with 250mA load, and an output capacitor of 2.2µF or greater to ground is required to prevent oscillation. |
| 2 | SNS | input | Sense input at the output-side end of the internal resistive divider; connect to OUT for fixed 5V operation and leave unused in the adjustable configuration. |
| 3 | SHDN | input | Active-low shutdown input: low enables the regulator and high (2.0V minimum for the off state) shuts it down. |
| 4 | GND | power_in | Ground reference; the ground pin current is the regulator quiescent current, typically 140µA at a 1mA load and 5mA at a 250mA load. |
| 5 | /ERR | output | Open-collector active-low error flag that goes low when the output falls about 5% out of regulation; it requires an external pull-up (100k to 1MΩ suggested) and is rated to sink 400µA. |
| 6 | TAP | output | Resistive voltage divider tap that is approximately 1.23V when 5V is applied to SNS; connect it to FB for 5V operation. |
| 7 | FB | input | Error amplifier input compared to the internal 1.23V reference; it connects to an external divider for adjustable operation or to TAP for 5V operation. |
| 8 | IN | power_in | Supply input, operating from 2.0V to 30V continuous, with the device withstanding -20V reverse battery and +60V transients (limited to <10ms and <1% duty cycle). |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | SOIC-8 |
| Category | Power Management (PMIC) |
| Pins | 8 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Output accuracy (±1% version, MIC2954-03/-08) | | -1 | | 1 | % | MIC2954-08 (±1%) output voltage accuracy, guaranteed over junction temperature -40°C to +125°C | 1 |
| Output voltage | VOUT | 4.95 | 5 | 5.05 | V | MIC2954-03/-08 (±1%) | 4 |
| Output voltage | VOUT | 4.9 | | 5.1 | V | MIC2954-03/-08 (±1%), -40°C ≤ TJ ≤ +125°C | 4 |
| Output voltage, 1mA to 250mA load | VOUT | 4.88 | 5 | 5.12 | V | MIC2954-03/-08 (±1%), 1mA ≤ IL ≤ 250mA | 4 |
| Output voltage temperature coefficient | ∆VOUT/∆T | | 20 | 150 | ppm/°C | MIC2954-03/-08 (±1%); Note 6 | 4 |
| Line regulation | ∆VOUT/VOUT | | 0.03 | 0.2 | %/V | MIC2954-03/-08 (±1%), VIN = 6V to 26V; Note 7 | 4 |
| Line regulation | ∆VOUT/VOUT | | | 0.4 | %/V | MIC2954-03/-08 (±1%), VIN = 6V to 26V, -40°C ≤ TJ ≤ +125°C; Note 7 | 4 |
| Load regulation | ∆VOUT/VOUT | | 0.04 | 0.2 | %/V | MIC2954-03/-08 (±1%), IL = 1 to 250mA; Note 8 | 4 |
| Load regulation | ∆VOUT/VOUT | | | 0.3 | %/V | MIC2954-03/-08 (±1%), IL = 1 to 250mA, -40°C ≤ TJ ≤ +125°C; Note 8 | 4 |
| Dropout voltage | VIN, VOUT | | 60 | 100 | mV | IL = 1mA; Note 9 | 4 |
| Dropout voltage | VIN, VOUT | | | 150 | mV | IL = 1mA, -40°C ≤ TJ ≤ +125°C; Note 9 | 4 |
| Dropout voltage | VIN, VOUT | | 220 | 250 | mV | IL = 50mA; Note 9 | 4 |
| Dropout voltage | VIN, VOUT | | | 420 | mV | IL = 50mA, -40°C ≤ TJ ≤ +125°C; Note 9 | 4 |
| Dropout voltage | VIN, VOUT | | 250 | 300 | mV | IL = 100mA; Note 9 | 4 |
| Dropout voltage | VIN, VOUT | | | 450 | mV | IL = 100mA, -40°C ≤ TJ ≤ +125°C; Note 9 | 4 |
| Dropout voltage | VIN, VOUT | | 375 | 450 | mV | IL = 250mA; Note 9 | 4 |
| Dropout voltage | VIN, VOUT | | | 600 | mV | IL = 250mA, -40°C ≤ TJ ≤ +125°C; Note 9 | 4 |
| Ground pin current | IGND | | 140 | 200 | µA | IL = 1mA; Note 10 | 4 |
| Ground pin current | IGND | | | 300 | µA | IL = 1mA, -40°C ≤ TJ ≤ +125°C; Note 10 | 4 |
| Ground pin current | IGND | | 0.5 | 1 | mA | IL = 50mA; Note 10 | 4 |
| Ground pin current | IGND | | | 2 | mA | IL = 50mA, -40°C ≤ TJ ≤ +125°C; Note 10 | 4 |
| Ground pin current | IGND | | 1.7 | 2.5 | mA | IL = 100mA; Note 10 | 4 |
| Ground pin current | IGND | | | 3.5 | mA | IL = 100mA, -40°C ≤ TJ ≤ +125°C; Note 10 | 4 |
| Ground pin current | IGND | | 5 | 9 | mA | IL = 250mA; Note 10 | 4 |
| Ground pin current | IGND | | | 12 | mA | IL = 250mA, -40°C ≤ TJ ≤ +125°C; Note 10 | 4 |
| Ground pin current at dropout | IGND(DO) | | 180 | 300 | µA | VIN = 4.5V; Note 10 | 4 |
| Current limit | ILIMIT | 750 | | 800 | mA | VOUT = 0V; Note 11 | 5 |
| Thermal regulation | ∆VOUT/∆PD | | 0.05 | 0.2 | %/W | Note 12 | 5 |
| Reference voltage | VREF | 1.21 | 1.235 | 1.26 | V | MIC2954-03/-08 (±1%) | 5 |
| Reference voltage | VREF | 1.2 | | 1.27 | V | MIC2954-03/-08 (±1%), -40°C ≤ TJ ≤ +125°C | 5 |
| Reference voltage | VREF | 1.185 | | 1.285 | V | MIC2954-03/-08 (±1%), Note 13 | 5 |
| Feedback pin bias current | | | 20 | 40 | nA | | 5 |
| Feedback pin bias current | | | | 60 | nA | -40°C ≤ TJ ≤ +125°C | 5 |
| Feedback pin bias current temperature coefficient | | | 0.1 | 40 | nA/°C | | 5 |
| Error comparator output leakage current | | | 0.01 | 1 | µA | VOH = 30V | 5 |
| Error comparator output leakage current | | | | 2 | µA | VOH = 30V, -40°C ≤ TJ ≤ +125°C | 5 |
| Error comparator output low voltage | | | 150 | 250 | mV | VIN = 4.5V, IOL = 400µA | 5 |
| Error comparator output low voltage | | | | 400 | mV | VIN = 4.5V, IOL = 400µA, -40°C ≤ TJ ≤ +125°C | 5 |
| Error comparator upper threshold voltage | | 40 | 60 | | mV | Note 14 | 5 |
| Error comparator upper threshold voltage | | 25 | | | mV | Note 14, -40°C ≤ TJ ≤ +125°C | 5 |
| Error comparator lower threshold voltage | | | 75 | 95 | mV | Note 14 | 5 |
| Error comparator lower threshold voltage | | | | 140 | mV | Note 14, -40°C ≤ TJ ≤ +125°C | 5 |
| Shutdown input logic voltage, low (on) | | | | 0.7 | V | | 5 |
| Shutdown input logic voltage, low (on) | | | | 1.3 | V | Over temperature (second printed value) | 5 |
| Shutdown input logic voltage, high (off) | | 2 | | | V | | 5 |
| Shutdown pin input current | | | 30 | 50 | µA | VSHDN = 2.4V | 5 |
| Shutdown pin input current | | | | 100 | µA | VSHDN = 2.4V, -40°C ≤ TJ ≤ +125°C | 5 |
| Shutdown pin input current | | | 450 | 600 | µA | VSHDN = 30V | 5 |
| Shutdown pin input current | | | | 750 | µA | VSHDN = 30V, -40°C ≤ TJ ≤ +125°C | 5 |
| Regulator output current in shutdown | | | 3 | 10 | µA | Note 15 | 5 |
| Regulator output current in shutdown | | | | 20 | µA | Note 15, -40°C ≤ TJ ≤ +125°C | 5 |
| Supply voltage (VIN), absolute maximum | VIN | -20 | | 60 | V | Note 17 | 4 |
| Feedback voltage (VFB), absolute maximum | VFB | -1.5 | | 26 | V | | 4 |
| Shutdown input voltage (VSHDN), absolute maximum | VSHDN | -0.3 | | 30 | V | | 4 |
| Error output voltage (VERR), absolute maximum | VERR | -0.3 | | 30 | V | | 4 |
| Lead temperature (soldering, 5 sec.), absolute maximum | | | | 260 | °C | Soldering, 5 sec. | 4 |
| Storage temperature | Ts | -65 | | 150 | °C | | 4 |
| Supply voltage (VIN), operating | VIN | 2 | | 30 | V | | 4 |
| Junction temperature (TJ), operating | TJ | -40 | | 125 | °C | | 4 |
| Package thermal resistance, junction to ambient (θJA) | θJA | | 160 | | °C/W | 8-pin SOIC on single-layer FR4 PCB, worst case (no ground plane) | 6 |
## Materials and finish
As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | copper | | The MIC2954-07BM/-08BM (8-pin surface-mount package) has the following thermal characteristics when mounted on a single layer copper-clad printed circuit | 11 |
## CAD (KiCad official)
- Symbol: `MIC2954-08YM-TR`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files: `mic2954-08ym-tr-etched.step` / `mic2954-08ym-tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mic2954-08ym-tr.step` / `mic2954-08ym-tr.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Microchip Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589798900312932352) (15 pp, sha256 `2625bfe2bb4285f6`, retrieved 2026-10-19, 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/mic2954-08ym-tr-datasheet.pdf)