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TPS77833PWPR
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Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, HTSSOP-20. 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
markdownTPS77833PWPR
Texas Instruments · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · HTSSOP-20
TPS77833PWPR from Texas Instruments, in a HTSSOP-20. 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/HSINK | power_in | Ground/heatsink terminal, tied to regulator ground and the PowerPAD heatsink; the datasheet gives no separate electrical limit for it. |
| 2 | GND/HSINK | power_in | Ground/heatsink terminal, tied to regulator ground and the PowerPAD heatsink; the datasheet gives no separate electrical limit for it. |
| 3 | GND | power_in | Regulator ground. |
| 4 | NC | unconnected | No internal connection. |
| 5 | EN | input | Enable input; a TTL high signal shuts down the regulator (quiescent current reduced to 1 µA at TJ = 25°C), and EN should be tied to ground if shutdown is not used. |
| 6 | IN | power_in | Input voltage to the regulator. |
| 7 | IN | power_in | Input voltage to the regulator. |
| 8 | NC | unconnected | No internal connection. |
| 9 | GND/HSINK | power_in | Ground/heatsink terminal, tied to regulator ground and the PowerPAD heatsink; the datasheet gives no separate electrical limit for it. |
| 10 | GND/HSINK | power_in | Ground/heatsink terminal, tied to regulator ground and the PowerPAD heatsink; the datasheet gives no separate electrical limit for it. |
| 11 | GND/HSINK | power_in | Ground/heatsink terminal, tied to regulator ground and the PowerPAD heatsink; the datasheet gives no separate electrical limit for it. |
| 12 | GND/HSINK | power_in | Ground/heatsink terminal, tied to regulator ground and the PowerPAD heatsink; the datasheet gives no separate electrical limit for it. |
| 13 | OUT | power_out | Regulated output voltage; the datasheet requires a minimum 10 µF output capacitor with ESR between 50 mΩ and 1.5 Ω to ground. |
| 14 | OUT | power_out | Regulated output voltage; the datasheet requires a minimum 10 µF output capacitor with ESR between 50 mΩ and 1.5 Ω to ground. |
| 15 | FB/NC | unconnected | Feedback input for the adjustable version only; this is a no connect on the fixed-output TPS77833, so it should be left unconnected. |
| 16 | PG | output | Power good output of the TPS778xx, described as an active high output that can implement a power-on reset or low-battery indicator. |
| 17 | NC | unconnected | No internal connection. |
| 18 | NC | unconnected | No internal connection. |
| 19 | GND/HSINK | power_in | Ground/heatsink terminal, tied to regulator ground and the PowerPAD heatsink; the datasheet gives no separate electrical limit for it. |
| 20 | GND/HSINK | power_in | Ground/heatsink terminal, tied to regulator ground and the PowerPAD heatsink; the datasheet gives no separate electrical limit for it. |
| 21 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | HTSSOP-20 |
| Category | Power Management (PMIC) |
| Pins | 21 |
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 voltage (TJ = -40°C to 125°C) | VO | 3.234 | 3.366 | V | TPS77x33, TJ = −40°C to 125°C, 4.3 V < VIN < 10 V | 7 | |
| Quiescent current (GND current) | 125 | µA | IO = 750 mA | 7 | |||
| Output current limit | 1.2 | 1.7 | 2 | A | VO = 0 V | 7 | |
| Trip threshold voltage (PG) | 92 | 98 | %VO | VO decreasing | 8 | ||
| Output low voltage (PG) | 0.15 | 0.4 | V | VI = 2.7 V, IO(PG) = 1 mA | 8 | ||
| Leakage current (PG) | 1 | µA | V(PG) = 5 V | 8 | |||
| Input current (EN) | -1 | 0 | 1 | µA | EN = 0 V | 8 | |
| Input current (EN) | -1 | 1 | µA | EN = VI | 8 | ||
| Dropout voltage | VDO | 427 | mV | TPS77833, IO = 750 mA (full temperature range) | 8 | ||
| High level enable input voltage | 1.7 | V | 7 | ||||
| Low level enable input voltage | 0.9 | V | 7 | ||||
| Input voltage | VI | 2.7 | 10 | V | Minimum VIN = VOUT + VDO or 2.7 V, whichever is greater | 6 | |
| Operating junction temperature | TJ | -40 | 125 | °C | 6 | ||
| Input voltage range | VI | -0.3 | 13.5 | V | All voltage values with respect to network terminal ground | 6 | |
| Voltage range at EN | -0.3 | 16.5 | V | 6 | |||
| Maximum PG voltage (TPS778xx) | 16.5 | V | 6 | ||||
| Output voltage (OUT, FB) | VO | 7 | V | 6 | |||
| Operating junction temperature range | TJ | -40 | 125 | °C | 6 | ||
| Storage temperature range | Tstg | -65 | 150 | °C | 6 | ||
| ESD rating, HBM | 2 | kV | Human body model | 6 |
CAD (KiCad official)
- Symbol:
TPS77833PWPR - Footprint:
Package_SO:TSSOP-20-1EP_4.4x6.5mm_P0.65mm_EP2.15x3.35mm - 3D model: HTSSOP-20, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 1.2 mm nominal TSSOP height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files:
tps77833pwpr-etched.step/tps77833pwpr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tps77833pwpr.step/tps77833pwpr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (28 pp, sha256
011757d41db41f42, retrieved 2026-10-11, 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).