component

LM536035QPWPRQ1

Public Made by Adom

by adom

Texas Instruments DC-DC Converters, HTSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LM536035QPWPRQ1

Texas Instruments · DC-DC Converters · HTSSOP-16

LM536035QPWPRQ1 from Texas Instruments, in a HTSSOP-16. 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 SW output Regulator switching node connected to power inductor; maximum voltage VIN+0.3V with transient tolerance to 42V for 100ns.
2 SW output Regulator switching node connected to power inductor; connect directly to pin 1 at PCB; maximum voltage VIN+0.3V.
3 CBOOT power_in Bootstrap capacitor supply for high-side gate driver; maximum voltage 3.6V relative to SW; connect 470nF capacitor to SW.
4 VCC power_out Internal regulated 3.15V supply output for control circuits; maximum voltage 4.2V; connect 3.3µF capacitor to GND, no external loads.
5 BIAS input Feedback input connected to output voltage point for regulator control; maximum voltage 16V; current draw 47-78µA at VBIAS=5V.
6 SYNC input Synchronization clock input for frequency synchronization; range 1.9-2.3MHz; logic levels VIH=1.5V, VIL=0.4V; connect to GND if unused.
7 FPWM input PWM/PFM mode selection input; high enables forced PWM, low enables automatic mode; logic levels VIH=1.5V, VIL=0.4V.
8 RESET tri_state Open-drain power-status output; maximum current 1.2mA; low when EN=low or fault detected, high when output ≥107% nominal voltage.
9 FB input Feedback voltage input for output regulation; input impedance 1MΩ for both 5V and 3.3V options; do not float or ground.
10 AGND power_in Analog ground reference for all electrical measurements; maximum differential to PGND ±2V for transients ≤1µs per absolute maximum.
11 EN input Enable input for regulator control; threshold rising 1.7V, falling 0.8V with 0.45V hysteresis; maximum voltage 40V; high=ON, low=OFF.
12 VIN power_in Input power supply; voltage range 3.9-36V nominal, maximum sustained 42V for ≤500ms; connect high-quality bypass capacitor(s) to PGND.
13 VIN power_in Input power supply; voltage range 3.9-36V nominal, maximum sustained 42V for ≤500ms; connect directly to pin 12 at PCB.
14 N/C unconnected No internal connection to device.
15 PGND power_in Power ground for low-side MOSFET driver; connect to AGND and system ground; connect directly to pin 16 at PCB.
16 PGND power_in Power ground for low-side MOSFET driver; connect to AGND and system ground; connect directly to pin 15 at PCB.
17 EP power_in Exposed die-attach paddle providing power ground; junction-to-case thermal resistance 1.7°C/W; connect to ground plane for thermal and EMI control.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package HTSSOP-16
Category Power Management (PMIC)
Pins 17

CAD (KiCad official)

  • Symbol: LM536035QPWPRQ1
  • Footprint: Package_SO:TSSOP-16-1EP_4.4x5mm_P0.65mm
  • 3D model: HTSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: lm536035qpwprq1-etched.step / lm536035qpwprq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm536035qpwprq1.step / lm536035qpwprq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (42 pp, sha256 b2d0d78814aaf2aa, retrieved 2026-10-06, 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 0.3, primary claude-haiku-4-5-20251001 (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