# IP6520

**INJOINIC** · Battery Management · ESOP-8

IP6520 from INJOINIC, in a ESOP-8. 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 | VOUT | input | Output voltage feedback pin; the output is regulated between 3V and 12V depending on the fast-charge protocol negotiated. |
| 2 | VIN | power_in | Input voltage pin with a filter capacitor to be placed close to the IC; operating input range is 7.1V to 32V, and the absolute maximum rating is 40V. |
| 3 | SW | passive | DCDC switching node that connects to the power inductor; LX voltage is limited to VIN+0.3V absolute maximum. |
| 4 | BST | passive | Bootstrap pin; the bootstrap capacitor is placed close to the BST and SW pins to provide gate-drive voltage for the high-side power MOSFET. |
| 5 | DM | bidirectional | USB fast-charge identification signal DM; the DP/DM overvoltage protection threshold is 4.5V typical and the absolute maximum voltage is 6V. |
| 6 | DP | bidirectional | USB fast-charge identification signal DP; the DP/DM overvoltage protection threshold is 4.5V typical and the absolute maximum voltage is 6V. |
| 7 | CC1 | bidirectional | Type-C detection pin CC1; CC overvoltage protection triggers at 6.0V typical, and the CC pin withstand voltage is 30V (absolute maximum 30V). |
| 8 | CC2 | bidirectional | Type-C detection pin CC2; CC overvoltage protection triggers at 6.0V typical, and the CC pin withstand voltage is 30V (absolute maximum 30V). |
| 9 | GND | power_in | Power and thermal ground exposed pad that must maintain good contact with the PCB ground. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | INJOINIC |
| Package | ESOP-8 |
| 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 |
|---|---|---|---|---|---|---|---|
| Input voltage range (recommended operating) | VIN | 7.1 |  | 32 | V |  | 4 |
| Input voltage range | VIN | 7.1 | 12 | 32 | V |  | 5 |
| Input undervoltage threshold, rising | VIN-UV | 7.05 | 7.1 | 7.2 | V |  | 5 |
| Input undervoltage threshold, falling | VIN-UV | 6.8 | 6.9 | 6.95 | V |  | 5 |
| Input overvoltage threshold, rising | VIN-OV | 32.4 | 32.6 | 33 | V |  | 5 |
| Input overvoltage threshold, falling | VIN-OV | 31.9 | 32.1 | 32.3 | V |  | 5 |
| Output voltage range | VOUT | 3 | 5 | 12 | V |  | 5 |
| Output voltage ripple | ΔVOUT | 80 | 85 | 90 | mV | VIN=12V，VOUT=5V@3A | 5 |
| Output voltage ripple | ΔVOUT | 85 | 90 | 95 | mV | VIN=12V，VOUT=9V@2A | 5 |
| Output voltage ripple | ΔVOUT | 90 | 95 | 100 | mV | VIN=24V，[email protected] | 5 |
| Input voltage range (absolute maximum) | VIN | -0.3 |  | 40 | V |  | 4 |
| LX voltage range (absolute maximum) | VLX | -0.3 |  |  | V |  | 4 |
| CC voltage range (absolute maximum) | VCC1/CC2 | -0.3 |  | 30 | V |  | 4 |
| DP/DM voltage range (absolute maximum) | VDP/DM | -0.3 |  | 6 | V |  | 4 |
| Junction temperature range | TJ | -40 |  | 150 | ℃ |  | 4 |
| Storage temperature range | Tstg | -60 |  | 150 | ℃ |  | 4 |
| ESD human body model (HBM) | ESD |  |  | 4 | KV |  | 4 |
| Thermal resistance, junction to ambient | θJA |  | 40 |  | ℃/W |  | 4 |

## CAD (KiCad official)

- Symbol: `IP6520`
- Footprint: `Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm`
- 3D model: ESOP-8 (KiCad packages3D, STEP)
- 3D model files: `ip6520-etched.step` / `ip6520-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ip6520.step` / `ip6520.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [INJOINIC datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604444019531395072) (16 pp, sha256 `85610d5c87ce8669`, retrieved 2026-10-18, 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-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](docs/ip6520-datasheet.pdf)