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TPS7B6850QPWPRQ1

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Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, HTSSOP-28. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Datasheet

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Contents

README

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TPS7B6850QPWPRQ1

Texas Instruments · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · HTSSOP-28

TPS7B6850QPWPRQ1 from Texas Instruments, in a HTSSOP-28. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 IN power_in Input power-supply pin operating from 4V to 40V with transient overvoltage rating to 45V.
2 NC unconnected No internal connection.
3 NC unconnected No internal connection.
4 EN input Device enable input with 0.7V low-voltage and 2V high-voltage thresholds for controlling power state.
5 FSEL input Oscillator frequency selection input with 0.7V/2V thresholds selecting high-frequency (low) or low-frequency (high) mode.
6 WTS input Watchdog type selection input with 0.7V/2V thresholds selecting window watchdog (low) or standard watchdog (high) mode.
7 NC unconnected No internal connection.
8 GND power_in Ground reference.
9 NC unconnected No internal connection.
10 NC unconnected No internal connection.
11 ROSC output Watchdog timer frequency adjustment output pin providing 1V reference for external resistor connection to ground.
12 DELAY output Power-good delay adjustment output pin for charging external capacitor to set power-on-reset delay up to 900µs.
13 WD input Watchdog service signal input requiring minimum 100µs high pulse at 30%-70% VOUT thresholds with 10% hysteresis.
14 NC unconnected No internal connection.
15 WDO tri_state Watchdog status open-drain output pulled low on fault condition and held high through external pull-up resistor.
16 WD_EN input Watchdog enable control input with 0.7V/2V thresholds to enable (low) or disable (high) watchdog function.
17 NC unconnected No internal connection.
18 WRS input Window watchdog ratio selection input with 30%-70% thresholds selecting 1:1 (low) or 8:1 (high) open-to-closed ratio.
19 NC unconnected No internal connection.
20 NC unconnected No internal connection.
21 GND power_in Ground reference.
22 NC unconnected No internal connection.
23 NC unconnected No internal connection.
24 PG tri_state Power-good status open-drain output indicating regulation, pulled low below threshold and held high through pull-up above threshold.
25 PGADJ output Power-good threshold adjustment output providing 1.1V reference for external resistor divider to set threshold from 89.6% to 93.6% of VOUT.
26 NC unconnected No internal connection.
27 NC unconnected No internal connection.
28 OUT power_out Regulated output voltage pin supplying 3.3V or 5V at 0-500mA with ±2% accuracy and 800mV maximum dropout at 500mA.
29 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package HTSSOP-28
Category Power Management (PMIC)
Pins 29

CAD (KiCad official)

  • Symbol: TPS7B6850QPWPRQ1
  • Footprint: Package_SO:TSSOP-28-1EP_4.4x9.7mm_P0.65mm_EP2.85x6.7mm
  • 3D model: HTSSOP-28 (KiCad packages3D, STEP)
  • 3D model files: tps7b6850qpwprq1-etched.step / tps7b6850qpwprq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps7b6850qpwprq1.step / tps7b6850qpwprq1.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (34 pp, sha256 5f1b0dbf73658a5f, retrieved 2026-09-23, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-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