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Contents

README

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TPS65177ARHAR

Texas Instruments · Power Management - Specialized · VQFN-40-EP(6x6)

TPS65177ARHAR from Texas Instruments, in a VQFN-40-EP(6x6). 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 INBK1 power_in Buck 1 converter (V(IO)) supply pin, internally connected to INBK3, requires buffer capacitor.
2 INBK1 power_in Buck 1 converter (V(IO)) supply pin, internally connected to INBK3, requires buffer capacitor.
3 NC unconnected Not connected.
4 SDA bidirectional I2C data pin for serial communication.
5 SCL input I2C clock pin for serial communication.
6 A0 input I2C address select pin.
7 HVS input High Voltage Stress Mode enable pin for Boost and Buck 3 converter.
8 INVL power_out Internal logic supply pin, requires buffer capacitor.
9 AGND power_in Analog ground pin for internal circuitry.
10 COMP bidirectional Boost converter (V(AVDD)) compensation pin.
11 VL power_out Internal 5V regulator output pin, connect buffer capacitor.
12 NTC input Thermal resistor sense pin.
13 PGND1 power_in Boost converter (V(AVDD)) power ground pin.
14 PGND1 power_in Boost converter (V(AVDD)) power ground pin.
15 SW output Boost converter (V(AVDD)) switch pin, avoid long traces to diode and inductor.
16 SW output Boost converter (V(AVDD)) switch pin, avoid long traces to diode and inductor.
17 SWI input Isolation switch input pin.
18 SWO output Isolation switch output pin.
19 NC unconnected Not connected.
20 VGL input Negative Charge Pump (V(GL)) voltage sense pin.
21 DRVN output Negative Charge Pump (V(GL)) base drive output pin.
22 DRVP input Positive charge pump (V(GH)) base drive input pin.
23 VGH input Positive charge pump (V(GH)) output voltage sense and Gate Pulse Modulation supply pin.
24 VGHM bidirectional Gate Pulse Modulation output pin.
25 RE output Slope adjustment output of Gate Pulse Modulation.
26 INBK3 power_in Buck 3 converter (V(HAVDD)) supply pin, internally connected to INBK1, requires buffer capacitor.
27 NC unconnected Not connected.
28 SWBK3 output Buck 3 converter (V(HAVDD)) switch pin, avoid long traces to inductor.
29 PGND3 power_in Buck 3 converter (V(HAVDD)) power ground pin.
30 VHAVDD input Buck 3 converter (V(HAVDD)) voltage sense pin.
31 EN input Enable pin for Isolation Switch, Boost converter and Buck 3 converter.
32 PGND2 power_in Buck 2 converter (V(CORE)) power ground pin.
33 SWBK2 output Buck 2 converter (V(CORE)) switch pin, avoid long traces to inductor.
34 VCORE power_in Buck 2 converter (V(CORE)) output voltage sense pin.
35 CTRL input Gate Pulse Modulation control pin.
36 INBK2 power_in Buck 2 converter (V(CORE)) supply pin, requires buffer capacitor.
37 VIO input Buck 1 converter (V(IO)) output voltage sense pin.
38 SWBK1 output Buck 1 converter (V(IO)) switch pin, avoid long traces to diode and inductor.
39 SWBK1 output Buck 1 converter (V(IO)) switch pin, avoid long traces to diode and inductor.
40 NC unconnected Not connected.
41 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VQFN-40-EP(6x6)
Category Power Management (PMIC)
Pins 41

CAD (KiCad official)

  • Symbol: TPS65177ARHAR
  • Footprint: Package_DFN_QFN:QFN-40-1EP_6x6mm_P0.5mm_EP4.6x4.6mm
  • 3D model: VQFN-40-EP(6x6) (KiCad packages3D, STEP)
  • 3D model files: tps65177arhar-etched.step / tps65177arhar-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps65177arhar.step / tps65177arhar.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (68 pp, sha256 b1b38895449e4d48, 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