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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206

Name	Last commit message	Last updated
docs	ap4310emtr-g1: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray	3d ago
viewers	ap4310emtr-g1: viewers · Ray	1mo ago
ap4310emtr-g1-etched.fit.json	ap4310emtr-g1: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray	3d ago
ap4310emtr-g1-etched.glb	ap4310emtr-g1: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray	3d ago
ap4310emtr-g1-etched.step	ap4310emtr-g1: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray	3d ago
ap4310emtr-g1.glb	Publish 0.1.0 · Ray	1mo ago
ap4310emtr-g1.kicad_mod	Publish 0.1.0 · Ray	1mo ago
ap4310emtr-g1.kicad_sym	Publish 0.1.0 · Ray	1mo ago
ap4310emtr-g1.lbr	Publish 0.1.0 · Ray	1mo ago
ap4310emtr-g1.step	Publish 0.1.0 · Ray	1mo ago
package.json	Publish 0.1.0 · Ray	1mo ago
page.json	Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout") · Ray	12d ago
README.md	ap4310emtr-g1: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray	18d ago

AP4310EMTR-G1

Diodes Incorporated · Battery Management · SO-8

AP4310EMTR-G1 from Diodes Incorporated, in a SO-8. 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	OUTPUT 1	output	Op Amp 1 output. Voltage-loop error amplifier output; typical output swing 0 to VCC-1.5V, source/sink 40/20mA typ. Used to drive an opto-isolator in CV feedback.
2	INPUT 1-	input	Op Amp 1 inverting input. The non-inverting input of Op Amp 1 is tied internally to the 2.5V reference (VKA), so this pin is the summing node for the voltage feedback divider. Input voltage range -0.3V to VCC+0.3V (abs max).
3	INPUT 1+/VKA	input	Op Amp 1 non-inverting input, connected internally to the cathode (VKA) of the 2.5V shunt voltage reference. Also serves as the reference cathode pin; absolute-maximum cathode current 100mA, minimum cathode current for regulation 0.05mA, dynamic impedance 0.2Ω typ.
4	GND	power_in	Device ground / voltage reference anode. Common return for VCC, both op amps, and the shunt reference.
5	INPUT 2+	input	Op Amp 2 non-inverting input (uncommitted). Input voltage range 0 to VCC-1.5V; abs max -0.3V to VCC+0.3V. Op Amp 2 differential input range ±40V (abs max between pins 5 and 6).
6	INPUT 2-	input	Op Amp 2 inverting input (uncommitted). Used with pin 5 for the current-sense feedback loop in typical CC/CV charger applications.
7	OUTPUT 2	output	Op Amp 2 output. Current-loop error amplifier output; typical output swing 0 to VCC-1.5V, source/sink 40/20mA typ, 1MHz unity-gain bandwidth.
8	VCC	power_in	Positive supply. Operating range 3V to 36V (abs max 40V to GND). Total supply current 0.15mA typ @ 5V, 0.20mA typ @ 30V (excluding reference current).

Key specifications

Parameter	Value
Manufacturer	Diodes Incorporated
Package	SO-8
Category	PMIC
Pins	8

Ordering variants

Same part, different packaging or reel option.

AP4310EMTR-G1

CAD (KiCad official)

Symbol: AP4310EMTR-G1
Footprint: Package_SO:TI_SO-PowerPAD-8
3D model: SO-8 (KiCad packages3D, STEP)
3D model files: ap4310emtr-g1-etched.step / ap4310emtr-g1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ap4310emtr-g1.step / ap4310emtr-g1.glb are the bare package body.

Provenance

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

Datasheet: Diodes Incorporated datasheet (9 pp, sha256 95f70ec8f108db97, retrieved 2026-08-17, tier: manufacturer)
Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF