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LP5305QVF

Public Made by Adom

by adom

LOWPOWER Supervisor And Reset ICs, DFN-8-EP(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LP5305QVF

LOWPOWER · Supervisor And Reset ICs · DFN-8-EP(2x2)

LP5305QVF from LOWPOWER, in a DFN-8-EP(2x2). 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 VIN power_in Power source input with a 3.3V to 5V recommended range and a 30V absolute maximum to GND; connect a ceramic capacitor between VIN and GND.
2 GND power_in Ground reference for the device; the datasheet recommends one uninterrupted ground plane connecting power and analog ground.
3 NC unconnected No connect pin, not internally used by the device.
4 Fault output Open-drain fault output that goes low on input OVP, output over-current, battery OVP or over-temperature; FAULT low sink of 5mA gives 0.2V max and high-level leakage is 10uA max at 5V.
5 EN input Enable pin with 1.4V (VENH) high and 0.4V (VENL) low thresholds; it has an internal pull-down so it may float, and driving it high turns the power switch off.
6 BAT input Battery voltage detector input; battery overvoltage threshold is 4.35V typ. with 0.275V hysteresis and 200us blanking at VIN=5V.
7 ISET passive Over-current limit setting pin; connect an external RSET resistor to GND (15kΩ to 90kΩ recommended), with IOCP = 25000 / RSET.
8 VOUT output Output through the internal power MOSFET, with an absolute maximum rating of -0.3V to +7V to GND and output short-circuit protection.
9 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer LOWPOWER
Package DFN-8-EP(2x2)
Category Power Management (PMIC)
Pins 9

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Power Source Voltage VIN 3.3 5 26 V TJ= +25 °C 5
Input UVLO Threshold VUVLO 2.5 2.7 2.9 V VIN Rising 5
Switch On Resistance RDS(ON) 160 250 mΩ IOUT=1A 5
Input Voltage VIN 3.3 5 V 4
Output Current IOUT 0.3 1.5 A 4
OCP Set Resistance RSET 15 90 kΩ 4
Junction Temperature TJ -40 125 °C 4
VIN to GND VIN -0.3 30 V 4
VOUT to GND VOUT -0.3 7 V 4
All Other Pin to GND -0.3 7 V 4
Operating Junction Temperature Range TJ -40 150 °C 4
Operation Ambient Temperature Range -40 105 °C 4
Storage Temperature Range -65 150 °C 4
Maximum Soldering Temperature 260 °C at leads, 10sec 4
UVLO Threshold Hysteresis ΔVUVLO 200 mV Falling Hysteresis 5
Power On Deglitch Time TDeglitch 8 ms 5
Soft Start Time TSS 8.2 ms 5
Power Source Current IIN 400 µA VIN=5V, EN=L 5
Shutdown Current ISD 55 uA VIN=5V, EN=H 5
Thermal Shutdown Threshold TSD 140 °C 5
Thermal Shutdown Threshold Hysteresis ΔTSD 20 °C 5
EN Threshold Voltage (high) VENH 1.4 V 5
EN Threshold Voltage (low) VENL 0.4 V 5
EN Input Resistance to GND IEN 15 uA EN=2V 5
FAULT Output Logic Low 0.2 V Sink 5mA 5
FAULT Logic High Leakage Current 10 uA Fault=5V 5
Output Voltage Regulation VLDO 5.5 V VIN=5.7V 5
Input Over Voltage Protect threshold VIOVP 5.85 V VIN from 5V to 10V 5
Input OVP threshold Hysteresis ΔVIOVP 100 mV VIN from 10V to 5V 5
Input OVP Recovery Delay Time TOVPR 8.2 ms 5
Over Current Protection IOCP 1 A RSET = 24.9K, 3.3V<VIN<VIOVP 5
OCP Blanking Time TOCP 200 us 5
Over Current Recover Delay TOCR 65 ms 5
Battery Voltage OVP VBOVP 4.35 V VIN=5V 5
Battery OVP Hysteresis ΔVBOVP 0.275 V VIN=5V 5
Battery OVP Blanking Time TBOVP 200 us VIN=5V 5
BAT Pin Leakage Current IBAT 10 nA VIN=5V, VBAT=4.4V 5
Thermal Resistance DFN-8 junction-to-ambient θJA 76.11 °C/W DFN-8 4

CAD (KiCad official)

  • Symbol: LP5305QVF
  • Footprint: Package_DFN_QFN:DFN-8-1EP_2x2mm_P0.5mm_EP0.6x1.2mm
  • 3D model: DFN-8-EP(2x2) (KiCad packages3D, STEP)
  • 3D model files: lp5305qvf-etched.step / lp5305qvf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lp5305qvf.step / lp5305qvf.glb are the bare package body.

Provenance

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

  • Datasheet: LOWPOWER datasheet (8 pp, sha256 436562b21bb3d69c, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (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