component
SSP1840
Public Made by Adomby adom
Shanghai Siproin Microelectronics Energy Metering, TSSOP-14. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSSP1840
Shanghai Siproin Microelectronics · Energy Metering · TSSOP-14
SSP1840 from Shanghai Siproin Microelectronics, in a TSSOP-14. 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 | VDD | power_in | 3.3V power supply |
| 2 | VT | input | External temperature sensor (NTC) signal input |
| 3 | IP1 | input | Current channel positive analog input with ±50mV maximum differential range (35mV RMS) |
| 4 | IN1 | input | Current channel negative analog input with ±50mV maximum differential range (35mV RMS) |
| 5 | VP | input | Voltage channel positive analog input with ±100mV maximum differential range (70mV RMS) |
| 6 | VN | input | Voltage channel negative analog input with ±100mV maximum differential range (70mV RMS) |
| 7 | GND | power_in | Ground |
| 8 | ZX | output | Voltage channel zero-crossing detection output |
| 9 | CF | output | Energy pulse output with multiplex function for alarm output (see MODE register for selection) |
| 10 | SEL | input | Interface select pin (0: UART, 1: SPI) with internal pull-down resistor |
| 11 | SCLK | input | SPI clock input (not required if using UART interface) |
| 12 | RX/SDI | input | UART receive line or SPI slave data input |
| 13 | TX/SDO | output | UART transmit line or SPI slave data output; requires external pull-up resistor |
| 14 | VPP | unconnected | Reserved, not connected |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shanghai Siproin Microelectronics |
| Package | TSSOP-14 |
| Category | Data Acquisition |
| Pins | 14 |
CAD (KiCad official)
- Symbol:
SSP1840 - Footprint:
Package_SO:TSSOP-14_4.4x5mm_P0.65mm - 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files:
ssp1840-etched.step/ssp1840-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ssp1840.step/ssp1840.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shanghai Siproin Microelectronics datasheet (23 pp, sha256
6d2b6e4fd850a84c, retrieved 2026-09-18, tier: lcsc) - 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).