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

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

Battery pack pressure monitoring for new energy vehicles
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	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