component
LP2998MA
Public Made by Adomby adom
Texas Instruments Power Management - Specialized, SOIC-8. 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
markdownLP2998MA
Texas Instruments · Power Management - Specialized · SOIC-8
LP2998MA from Texas Instruments, 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 | GND | power_in | Ground reference connection for the device. |
| 2 | SD | input | Active low shutdown input that tri-states VTT while maintaining VREF active; internal pull-up allows connection to AVIN or open circuit for normal operation. |
| 3 | VSENSE | input | Feedback input pin for remote load regulation of VTT; connect to middle of termination bus to improve voltage distribution or directly to VTT if remote regulation not used. |
| 4 | VREF | power_in | Buffered output of internal reference voltage equal to VDDQ/2 with 2.5 kΩ output impedance; 0.1 µF to 0.01 µF ceramic bypass capacitor recommended for improved performance and noise filtering. |
| 5 | VDDQ | power_in | Input supply for creating internal reference voltage through resistor divider; must connect to DDR memory supply rail (2.5 V for SSTL-2, 1.35-1.6 V for DDR3/DDR3L). |
| 6 | AVIN | power_in | Analog input supply for all internal control circuitry; operating range 2.2-5.5 V; must be equal to or greater than PVIN. |
| 7 | PVIN | power_in | Power input exclusively for output stage rail voltage; voltages ≤3.3 V recommended to prevent thermal limit activation; must be equal to or less than AVIN. |
| 8 | VTT | output | Regulated output for DDR termination, capable of sourcing and sinking peak transient currents up to ±3 A with 1.5 A maximum continuous current rating; regulated to VDDQ/2; tri-states during shutdown or thermal shutdown events. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-8 |
| Category | Power Management (PMIC) |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
LP2998MA - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
lp2998ma-etched.step/lp2998ma-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lp2998ma.step/lp2998ma.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (42 pp, sha256
8f3b293771e0fafc, retrieved 2026-10-01, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-4-5-20251001(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).