component
TPS23523PWR
Public Made by Adomby adom
Texas Instruments Surge Protection Devices (SPDs), TSSOP-16-175mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
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| tps23523pwr-etched.glb | 11d ago |
| tps23523pwr-etched.step | 11d ago |
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TPS23523PWR
Texas Instruments · Surge Protection Devices (SPDs) · TSSOP-16-175mil
TPS23523PWR from Texas Instruments, in a TSSOP-16-175mil. 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 | Neg48 | input | Input to the OR-ing controller for the -48 feed; the TPS23523 regulates the drop from VEE to Neg48 to 25 mV to mimic an ideal diode. |
| 2 | NC | unconnected | No connect to space high voltage pins. |
| 3 | GATE2 | output | Gate driver for the 2nd hot swap FET; NC if the feature is not used. |
| 4 | BGATE | output | Gate driver for the OR-ing FET. |
| 5 | VEE | power_in | This pin corresponds to the IC GND and provides Kelvin sense to the bottom of RSNS to ensure accurate current limit. |
| 6 | SNS | input | Sense pin used to measure and regulate current, with Kelvin sense to RSNS for accurate current limits. |
| 7 | GATE | output | Gate drive for the main hot swap FET. |
| 8 | SS | output | Soft-start pin; connect a capacitor CSS between SS and -48V_OUT, where the dv/dt on -48V_OUT is proportional to the gate sourcing current divided by CSS. |
| 9 | D | input | Senses the drain of the hot swap FET and programs the threshold where the hot swap switches between CL1 and CL2 through a resistor to the drain (-48V_OUT); pin current should be limited to < 1 mA through RD. |
| 10 | TMR | output | Timer pin that programs the duration the hot swap FET can remain in current limit, set by a capacitor between TMR and VEE. |
| 11 | OV | input | Input overvoltage comparator; a resistor divider programs the threshold where the device turns off on an overvoltage event. |
| 12 | UVEN | input | Input undervoltage comparator; a resistor divider programs the threshold where the device turns on. |
| 13 | VCC | power_in | Clamped supply pin, tied to RTN through a resistor; supply voltage is rated 0 to 20 V with current into VCC below 10 mA. |
| 14 | PGb | output | Power Good Bar open-drain output that goes low when the hot swap is fully on and the DC/DC can draw full power; output voltage is rated up to 200 V absolute maximum. |
| 15 | PROG | input | Adjusts current limit and fast trip threshold by tying to VEE, floating, or tying to VEE through a resistor. |
| 16 | Vref | power_in | 5 V reference output used to power current monitors and digital isolators, connected to the base of a BJT to generate a rail. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-16-175mil |
| Category | Circuit Protection |
| Pins | 16 |
CAD (KiCad official)
- Symbol:
TPS23523PWR - Footprint:
Package_SO:TSSOP-16_4.4x5mm_P0.65mm - 3D model: TSSOP-16-175mil (KiCad packages3D, STEP)
- 3D model files:
tps23523pwr-etched.step/tps23523pwr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tps23523pwr.step/tps23523pwr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (38 pp, sha256
341d988282de22e3, retrieved 2026-10-28, tier: manufacturer) - 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).