component
RN8302B
Public Made by Adomby adom
RENERGY Energy Metering, LQFP-44(10x10). Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads on click. Unloads only if this page sits in the background.
PCB Footprint
Open full view ↗Loads on click. Unloads only if this page sits in the background.
Datasheet
Open in new tab ↗Loads on click. Unloads only if this page sits in the background.
README
markdownRN8302B
RENERGY · Energy Metering · LQFP-44(10x10)
RN8302B from RENERGY, in a LQFP-44(10x10). 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 | NC | unconnected | Not connected, floating. |
| 2 | NC | unconnected | Not connected, floating. |
| 3 | REFV | power_out | Internal 1.25V±1% reference voltage output or external reference input; requires 1µF capacitor in parallel with 0.1µF capacitor to analog ground for decoupling. |
| 4 | IAP | input | A-phase current sampling channel positive differential analog input, maximum 830mVp. |
| 5 | IAN | input | A-phase current sampling channel negative differential analog input, maximum 830mVp. |
| 6 | AGND | power_in | Analog ground. |
| 7 | IBP | input | B-phase current sampling channel positive differential analog input, maximum 830mVp. |
| 8 | IBN | input | B-phase current sampling channel negative differential analog input, maximum 830mVp. |
| 9 | AVCC | power_in | Analog power supply 3.3V±10% or 5V±10%; requires 4.7µF capacitor in parallel with 0.1µF capacitor to analog ground for decoupling. |
| 10 | ICP | input | C-phase current sampling channel positive differential analog input, maximum 830mVp. |
| 11 | ICN | input | C-phase current sampling channel negative differential analog input, maximum 830mVp. |
| 12 | VAP | input | A-phase voltage sampling channel positive differential analog input, maximum 830mVp. |
| 13 | VAN | input | A-phase voltage sampling channel negative differential analog input, maximum 830mVp. |
| 14 | VBP | input | B-phase voltage sampling channel positive differential analog input, maximum 830mVp. |
| 15 | VBN | input | B-phase voltage sampling channel negative differential analog input, maximum 830mVp. |
| 16 | VCP | input | C-phase voltage sampling channel positive differential analog input, maximum 830mVp. |
| 17 | VCN | input | C-phase voltage sampling channel negative differential analog input, maximum 830mVp. |
| 18 | INP | input | Neutral-line current sampling channel positive differential analog input, maximum 830mVp. |
| 19 | INN | input | Neutral-line current sampling channel negative differential analog input, maximum 830mVp. |
| 20 | RA | passive | Reserved pin; connect to analog ground. |
| 21 | NC | unconnected | Not connected, floating. |
| 22 | CF5 | output | Energy calibration pulse output configurable via CFCFG register as fundamental/full-wave active/reactive/apparent or high-frequency synthesis. |
| 23 | CF4 | output | Energy calibration pulse output configurable via CFCFG register as fundamental/full-wave active/reactive/apparent or high-frequency synthesis. |
| 24 | CF3 | output | Energy calibration pulse output configurable via CFCFG register as fundamental/full-wave active/reactive/apparent or high-frequency synthesis. |
| 25 | CF2 | output | Energy calibration pulse output configurable via CFCFG register as fundamental/full-wave active/reactive/apparent or high-frequency synthesis. |
| 26 | CF1 | output | Energy calibration pulse output configurable via CFCFG register as fundamental/full-wave active/reactive/apparent or high-frequency synthesis. |
| 27 | RSTN | input | Reset pin active low; internally floating, requires external power or 1kΩ pull-up resistor. |
| 28 | DVCC | power_in | Digital power supply 3.3V±10% or 5V±10%; requires 4.7µF capacitor in parallel with 0.1µF capacitor to digital ground for decoupling. |
| 29 | DGND | power_in | Digital ground. |
| 30 | NC | unconnected | Not connected, floating or connect to digital ground. |
| 31 | INTN1 | output | Interrupt output pin active low; default high level, toggles on interrupt event, returns high when CPU clears interrupt flag via SPI. |
| 32 | SDO | output | SPI serial data output; data sent at SCLK rising edge, high impedance when SCSN is high. |
| 33 | SCLK | input | SPI serial clock input from microcontroller; host writes when SCLK is high, chip samples at SCLK falling edge. |
| 34 | SCSN | input | SPI chip select signal active low. |
| 35 | SDI | input | SPI serial data input; valid at SCLK falling edge. |
| 36 | XO | output | Crystal oscillator output. |
| 37 | XI | input | Crystal oscillator input or external clock input, typical 8.192MHz with 15pF load capacitance. |
| 38 | VO | power_out | Internal voltage regulator output; requires 4.7µF capacitor in parallel with 0.1µF capacitor to digital ground, cannot connect external load. |
| 39 | DGND | power_in | Digital ground. |
| 40 | DVCC | power_in | Digital power supply 3.3V±10% or 5V±10%; requires 4.7µF capacitor in parallel with 0.1µF capacitor to digital ground for decoupling. |
| 41 | RB | passive | Reserved pin; connect to DVCC or digital ground. |
| 42 | PM | input | Default working mode selection input: PM=1 for sleep mode (SLM), PM=0 for metering mode (EMM); internally floating, requires external 1kΩ pull-up or ground. |
| 43 | RC | passive | Reserved pin; connect to digital ground. |
| 44 | NC | unconnected | Not connected, floating. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | RENERGY |
| Package | LQFP-44(10x10) |
| Category | Data Acquisition |
| Pins | 44 |
CAD (KiCad official)
- Symbol:
RN8302B - Footprint:
Package_QFP:LQFP-44_10x10mm_P0.8mm - 3D model: LQFP-44(10x10) (KiCad packages3D, STEP)
- 3D model files:
rn8302b-etched.step/rn8302b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rn8302b.step/rn8302b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: RENERGY datasheet (40 pp, sha256
e1743f6e34ac1230, retrieved 2026-09-18, 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 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).