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SNP805 Battery pressure sensor IC

ACTIVE

The first domestic battery pack pressure sensor monitoring IC. SNP805 is widely used in battery pack system of new energy vehicle. The product consists of 8-bit MCU, 12-bit ADC, temperature sensor, pressure sensor and supply voltage monitoring unit.

  • Block Diagram
  • Features
  • Applications
  • Parameters
  • Selection Table

Block Diagram

  • UART
  • SPI
  • 20221020170742692.svg
  • 805.svg
    • SNP805.png
    • SNP805反.png
    • demo
    • demo

Features

  • Pressure accuracy: ±1.2kPa@25°C (Absolute pressure)

  • Pressure range：40kPa~260kPa

  • Integrated temperature sensor, pressure sensor, and supply voltage monitoring unit

  • Based on 8051 microcontroller

  • Built-in a 12-bit ADC

  • Temperature range: -40~125°C

  • Supply voltage: 3.3V Typ.

  • Typical current in monitor mode: <30μA

  • Support SPI/UART/PWM

  • Package: LGA 24 (6.0mm x 5.0mm x 1.9mm)



Applications

  • b2_icon2.svg b2_icon2h.svg
    Battery pack pressure monitoring for new energy vehicles
  • b2_icon3.svg b2_icon3h.svg
    MEMS sensor

Parameters

  • ADC
    12-bit
  • Pressure range
    40kPa~260kPa
  • Pressure accuracy
    ±1.2kPa@25°C (Absolute pressure)
  • Temperature range
    -40~125°C
  • Supply voltage
    3.3V Typ.
  • Typical current in monitor mode
    <30μA
  • Pressure measurement resolution
    0.1kPa/LSB
  • Interface
    SPI/UART/PWM

Selection Table

Model
【PDF】
Pressure accuracy
Peripherals
Package
Ordering number
Packing option
SNP805
±1.2kPa@25°C
UART
LGA24
SNP805
Reel
SNP805DL
±2kPa@25°C
SPI
LGA24
SNP805DL
Reel
SNP805E
±1.2kPa@25°C
SPI
LGA24
SNP805E
Reel