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APX812-46UG-7

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Diodes Incorporated Supervisor And Reset ICs, SOT-143. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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APX812-46UG-7

Diodes Incorporated · Supervisor And Reset ICs · SOT-143

APX812-46UG-7 from Diodes Incorporated, in a SOT-143. 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 power_in Ground.
2 RESET output Active-high push-pull reset output on the APX812, held asserted for at least 240ms after VCC rises above the reset threshold and guaranteed valid for VCC > 1V.
3 MR input Active-low manual reset input; a low level forces the reset output active, with a minimum pulse width of 100 ns.
4 VCC power_in Operating voltage input, recommended 1.1V to 5.5V (absolute maximum -0.3 to 7V).

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-143
Category Power Management (PMIC)
Pins 4

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
VCC Range VCC 1 5.5 V 4
Supply Current ICC 30 40 µA Vth + 0.2V 4
Reset threshold (46 variant, 4.63 V) Vth 4.56 4.63 4.7 V TA =25 oC 4
Set-up Time ts 20 µs VCC = Vth to (Vth, 100mV) 4
Output Voltage Low (APX811) VOL 0.3 V VCC = Vth -0.2, ISINK = 1.2mA 4
Output Voltage Low (APX811) VOL 0.4 V VCC = Vth -0.2, ISINK = 3.2mA 4
Output Voltage Low (APX812) VOL 0.3 V VCC = Vth +0.2, ISINK = 1.2mA 4
Output Voltage Low (APX812) VOL 0.4 V VCC = Vth +0.2, ISINK = 3.2mA 4
Delay Time (APX811/812) td 140 200 280 ms VCC> Vth-+0.2V, See timing diagram 5
Pulse Width at MR tW 100 ns VCC> Vth-+0.2V, VIL=0.3×VCC, VIH=0.7×VCC 4
Propagation Delay High-to-low, MR to RESET tPHL 0.1 µs VCC> Vth-+0.2V, VIL=0.3×VCC, VIH=0.7×VCC 5
Propagation Delay High-to-low, VCC to RESET tPHL 25 µs VIL= Vth--0.2V, VIH= Vth-+0.2V 5
Propagation Delay Low-to-high, MR to RESET tPLH 0.1 µs VCC> Vth-+0.2V, VIL=0.3×VCC, VIH=0.7×VCC 5
Propagation Delay Low-to-high, VCC to RESET tPLH 25 µs VIL= Vth--0.2V, VIH= Vth-+0.2V 5
Thermal Resistance Junction-to-Ambient SOT143 θJA 240 oC/W Device mounted on FR-4 substrate, 1"*1", 2oz copper, single-sided PC board (Note 3) 4
Thermal Resistance Junction-to-Case SOT143 θJC 71 oC/W Device mounted on FR-4 substrate, 1"*1", 2oz copper, single-sided PC board (Note 3) 4
ESD HBM Human Body Model ESD protection ESD HBM 3 kV 3
ESD MM Machine Model ESD Protection ESD MM 500 V 3
Supply voltage VCC -0.3 7 V 3
RESET voltage VRESET -0.3 V 3
Input Current, Vcc ICC 20 mA 3
Output current IO 20 mA 3
Power dissipation PD 320 mW 3
Supply Voltage VCC 1.1 5.5 V 3
Input Voltage VIN 0 V 3
Operating Ambient Temperature TA -40 85 ºC 3

CAD (KiCad official)

  • Symbol: APX812-46UG-7
  • Footprint: Package_TO_SOT_SMD:SOT-143
  • 3D model: SOT-143 (KiCad packages3D, STEP)
  • 3D model files: apx812-46ug-7-etched.step / apx812-46ug-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); apx812-46ug-7.step / apx812-46ug-7.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (10 pp, sha256 7a730fe754bff472, retrieved 2026-10-17, 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